Fail the serverless deployment if any test fails
```bash #!/bin/bash
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serverless
Auto-increment counter in dynamodb
# cli example aws dynamodb update-item \ --table-name ProductCatalog \ --key '{"Id": { "N": "601" }}' \ --update-expression "SET Price = Price + ...
Cognito userpool as authorizer of your lambda in serverless
```yaml httpApi: authorizers: serviceAuthorizer: identitySource: $request.header.Authorization issueUrl: https://cognito-idp.${op...
Upload a file to S3 bucket using serverless lambda in C#
First, create a bucket in Cloudformation
Build CI/CD pipeline for serverless by using Github Action
You create a yaml file in .github/workflows directory. Very similar approach to other CI/CD pipelines like Azure DevOps. The order of the jobs was like this.
Upload a file to S3 bucket using serverless lambda in C#
First, create a bucket in Cloudformation
Everything about defining functions in serverless.yaml
Simple function that simply has http event.
Getting started with Serverless framework in c#
npm i -g serverless
Serverless Framework Deployment failing after deleting API Gateway on AWS
Now deployment fails with “ An error occurred while provisioning your stack: ApiGatewayDeployment1496768351111 - Invalid REST API identifier specified”.
Serverless CI/CD with AWS CodePipeline
Create a new pipeline
Provision S3 Bucket with serverless.yml
So, our solution (me and my friend. it’s two developer project), is get all the users from User Pool and save it as json blog on to S3 bucket. serverless.yml...
Provision DynamoDb with serverless.yml
More details to here: https://www.serverless.com/dynamodb
Create a lambda function that’s called on AWS SNS topic message
Let’s create a function that subscribes to a SNS topic
shortcuts
VS Code Shortcuts
✲: CTRL ⌘: CMD ❖: Windows ⌥: Option ⇧: Shift ↵: Enter
Visual Studio shortcuts
Key Description alt + 🠕, alt + 🠗 jump to the next method ctrl + \, ctrl + e show error...
Google Docs Shortcuts
Paragraph formatting Increase paragraph indentation ⌘ + ] Decrease paragraph indentation ...
VS Code Shortcuts
alt + shft + mouse column select ctrl + ` show terminal window f12 g...
Windows Explorer Keyboard Shortcuts
Command Shortcut Go Back Alt + Left Go Forward Alt + Right Select the...
Rider keyboard shortcuts
Command Shortcut Add selection to the next occurrence ⌥⇧. Go to the previous place ⌘[ ...
Visual Studio shortcuts
Key Description ctrl + \, ctrl + e show error list window
My Favourite Visual Studio Shortcuts
Actually, this includes ReSharper shortcuts as well. Visual Studio & ReSharper CTRL + SHFT + N: Go to a file (ReSharper IDEA shortcut) CTRL + -: Go to a...
My favourite keyboard shortcuts on windows-based applications
Windows common Ctrl + F4: close the current document in the tab Windows Explorer Alt + D: move the focus to the address bar Sql Server Management Studio...
My Favourite Textmate Shortcuts
cmd + T: Go to file ctrl + cmd + R: Reveal in a project shft + cmd + N: new file in the current folder cmd + Enter: go to the next line cmd + W: close tab ...
My ReSharper Keyboard Shortcuts
This is ReSharper's comprehensive shortcuts. Yet there are a few things I favour. shft + f12: Go to previous error/warning/highlight. Handy, when you create...
Windows 7 Bootcamp on mac Shortcut Keys
# Hash It should be a simple thing, but dear!, I coundn't find it. On Mac, you can use alt + 3. The combination is weird enough, but on windows 7, I couldn't...
azure-devops
Print all environment variables in Azure DevOps pipeline
steps: – task: Bash@3 inputs: targetType: 'inline' script: 'env | sort'
repositoryType parameter in Azure DevOps API
https://dev.azure.com/{organization}/{project}/_apis/build/definitions ?api-version=6.0 &repositoryId=xxxxxxxx-e419-4a62-ae1a-ff6f5b6053b1 &rep...
Connecting to Service Bus from Azure DevOps Pipeline
Create an Azure AD application and principal Create a service connection in Azure DevOps. It’ll be Azure Resource Manager type connection and will have...
Nightly batch run on Azure DevOps Pipeline
My choice of solution is
Programatically create wiki pages on Azure DevOps
It has a handy client library: https://docs.microsoft.com/en-us/azure/devops/integrate/get-started/client-libraries/samples?view=azure-devops
Create a nuget package and publish it to Azure Devops Repository
So an idea came up. Decorate your C# domain event class with “DomainEvent” attribute. Write a tool that parse the decorated the class and generate markdown f...
Calling Azure DevOps APIs
.NET Client libraries
Build a React app with Azure Devops Pipeline
Create a new pipeline by clicking “New pipeline” I chose “Azure Repos Git”
Azure DevOps Wiki Syntax
Advanced usage: https://docs.microsoft.com/en-us/azure/devops/project/wiki/wiki-markdown-guidance?view=azure-devops
Conditional Build on Azure Devops Pipeline
The first step is to add a test on the buld. It didn’t have any build trigger. So I added it.
basics
NuGet basics
The definitive documentation is nuget.org. If you are a console person and don't like nody UI stuff, you can use the Package Manager Console. I am a NuGet us...
jQuery basics
This is the summary of "Fundamentals of Great jQuery Development", which is available at http://vimeo.com/18511621. javascript is a functional language, not ...
Rails Commands
Summary of various ruby commands .erb: embedded ruby, the primary template system for including dynamic content in web pages. Generation [sourcecode language...
Structuremap Basics
Define the instance for your interface [sourcecode language="csharp"] public class WiringModule { public void Initialize(IInitializationExpression x) ...
jquery selection basics
[sourcecode language="javascript"] $(':checkbox') //If you want to select all checkboxes, $(':checkbox:enabled') //Select all checkboxes enabled $(...
rails generate basics
create controller with help and home routes [sourcecode language="bash"] $ rails generate controller StaticPages home help --no-test-framework [/sourcecode] ...
rspec basics
When you create a new site, skip generating unit test, as you want to use rspec instead. [sourcecode language="bash"] $ rails new sample_app --skip-test-unit...
OS X Terminal Basics
Delete a directory recursively and forcefully. You have files in there, but you want to delete the directory [sourcecode language="bash"] rm -rf first_app/ [...
heroku basics
Create an application on heroku [sourcecode language="bash"] $ heroku create --stack cedar $ git push heroku master [/sourcecode] This will create an auto-ge...
rails validation basics
Probably the easiest one, :length. You can give :maximum length. [sourcecode language="rails"] class Micropost < ActiveRecord::Base attr_accessible :con...
rake basics
Rake is ruby make, a make-like language in ruby. make has been used to build code in linux & unit environment. [sourcecode language="bash"] $ bundle exec...
powershell
Set Powershell Aliases for cross environment development
You can check where the powershell profile is by doing $profile.
Powershell tips
```csharp // list all environment variables gci env:* | sort-object name
Powershell tips
gci env:* | sort-object name
Powershell tips
gci env:* | sort-object name
A simple script that cleans and builds visual studio solution with psake
psake is a simple build automation tool written in powershell, and works well on Microsoft platform. This is a really simple example that cleans bin folder, ...
Writing a powershell cmdlet…
A cmdlet (reads "command-lit") is a lightweight command used in Powershell environment. The Powershell runtime invokes cmdlets within the context of automati...
Powershell and me
It's an interesting scripting language. Well, scripting has been for a long time in *nix systems, and I feel it's quite late that Windows catch up now. But s...
Open sublime text 2 from command line on windows
In Mac, you can open sublime text 2 from terminal, and it’s really handy. I wanted to replicate the same thing on windows, so wrote a simple script that enab...
Powershell script tips
Write to a file Use Set-Content and Add-Content Set-Content Add-Content [sourcecode language="bash"] Set-Content "C:\Program Files\Sublime Text 2\subl...
drafts
NET Core Service Registrations
To do it, you would need to
Application Insight on Service Fabric Worker Process
Install Microsoft Extensions Logging packages Add Application Insights Telemetery Worker Service to your services collection Add logging filter manual...
Encrypt a sensitive information with Azure Key Vault
Things Azure Key Vault protects
Generating a new blog post with a markdown file
file system: https://nodejs.org/api/fs.html, to create a file fs-extra: https://github.com/jprichardson/node-fs-extra, handy functions with file system ...
List active (pending) Pull Requests on Microsoft Teams chat room
My Acceptance Criteria
Azure Cosmos DB performance tips
For query-intensive workloads, use Windows 64-bit
Send message to a Teams’ channel
We started posting pending PRs in the group chat. Soon, it became a chore. So I thought we could automate it by scripting it.
Logging in ASP.NET Core APIs and services
# for class library Microsoft.Extensions.Logging.Abstractions
IIS
Skipping IIS Custom Error pages
By default, IIS7 intercepts 4xx and 5xx status responses with its own custom error pages. At work, we have a custom redirection module that checks if the sta...
display currently running application pools with appcmd list wp
When you try to debug your website locally, often Visual Studio shows more than one w3p.exe processes, if you run multiple application pools. Attaching to al...
Recycling IIS application pools and COM+ programmatically in C#
These days, I work on projects that is based on Sitecore CMS. Sitecore caches everything, so if you make any changes to your code, the web page does not refl...
Creating an IIS website change deployment script
Often, I need to deploy an website change to a production server. It can be a simple change like creating a virtual directory and rather rarely very big like...
Visual Studio Add-in: Recycle all IIS application pools on build done
related post: http://simplelifeuk.wordpress.com/2007/10/05/writing-a-visual-studionet-2003-add-in/ resources http://www.koders.com/csharp/fidA05F9CFC9911DC9...
Install website in IIS using vbscript
Reference Script Repository: IIS 6.0 Enumerate IIS Virtual Directories using WMI in VBScript HOWTO: Enumerate IIS website and ftpsite configuration (VBScrip...
c#
C#’s async, await, and .Result
In Market Invoice, there are many places where async and await are used. Recently, I introduced a bug that an operation gets deadlocked by replacing await wi...
Opening an office document from Code
It's a simple job at a glance, and it should be. But we had a bug with that feature. You open a document on Huddle and it should be opened in an application ...
Get ReSharper To Allow _ Underscore in Test Method Names
ReSharper usually doesn’t like it, but you can turn off the inspection for test methods. http://atombrenner.blogspot.co.uk/2010/07/how-to-change-resharper-na...
Handling Sandwich Code in C#
What is "Sandwich Code"? I found it in Ruby Koans. Often, you have to do something at the beginning and at the end, even though your main lock is in the midd...
Testing private method in unit testing
Ideally, it is not recommended to test private methods, as complex internals should be kept hidden and only interface be tested. Well, in real world, sometim...
File is rejected by a third-party system, when it is utf-8 encoded with BOM
Recently, I had a chance to refactor codes for a system that sends a file to DreamMail. Because we did not touch any FTP functionality, we were complacent an...
ASP.Net MVC
What I learned while updating my church website
Working on a person project is lots of fun. You have a whole control over your project, what to do, how to do, and when to do. Also, it gives an opportunity ...
Disable browser cache for ajax request on ASP.NET MVC
The application reloads the list of jobs, if any job is reposted or expired. We display different labels, such as "reposted", "expired", depending on the act...
My favourite helpers for ASP.NET MVC
As you use ASP.NET MVC on and on, you start building and using handy html helpers. Rob Conery posted a few of his helpers on his blog. You can find some more...
To get started with ASP.Net MVC 2
I work on a few personal projects. Personal projects are fun, because you can choose which technology and tools you are going to use and often you can experi...
Use Sqlite together wtih ASP.Net MVC
Visual Studio 2008 integrates Sql server 2008 express nicely into App_Data folder. You just create the database using Server Explorer, and it inserts the con...
Display Selected value with Html.DropDownList in ASP.Net MVC
I wrote ToastManager about two months ago, and not try to covert it into ASP.Net. What ToastManager does is to collect people's toast order for the morning t...
Post Formats
Post: Link Permalink
This theme supports link posts, made famous by John Gruber. To use, just add link: http://url-you-want-linked to the post’s YAML front matter and you’re done.
Post: Quote
Only one thing is impossible for God: To find any sense in any copyright law on the planet. Mark Twain
Post: Notice
A notice displays information that explains nearby content. Often used to call attention to a particular detail.
Post: Chat
Abbott: Strange as it may seem, they give ball players nowadays very peculiar names.
Post: Standard
All children, except one, grow up. They soon know that they will grow up, and the way Wendy knew was this. One day when she was two years old she was playing...
Post: Modified Date
This post has been updated and should show a modified date if used in a layout.
git
git cherry-pick
Git commit's id is a hash of its contents and its history, and becomes a unique id for a specific commit. Even if it contains the same change, as the parent ...
Posh Git shows the current branch and the state of files in powershell prompt
It's a set of PowerShell scripts that gives Git integration in PowerShell prompt. https://github.com/dahlbyk/posh-git The first thing you notice once you ins...
git tips
I have used git for a year now on my personal projects, but it's still mysterious. I feel like I need a good gui like TortoiseHG. Probably Git Extension is t...
Setting up ruby on rails on ubuntu
First of all, I am following on-line version of rails tutorial (http://ruby.railstutorial.org/ruby-on-rails-tutorial-book?version=3.2#top). Michael recommend...
Git, Merging from Remote Branch
I did this on Bash on Windows 7 (64bit) against my github account. I tried to push my change to github, and found it's not possible. [sourcecode language="ba...
Undo git add before the first commit
As git newbie, this was very tricky but it happens quite often. You create a new project, say C# project. In case of rails, when you create a new project, it...
WILT
Use Moq CallBack to Verify Object Parameter
Our repositories accept domain models as parameter to save them to the database. Moq’s verify works greatly if the method has primitive types like string, in...
Installing Ubuntu on Windows 10
It’s really nice that I can use linux shell on windows. One of big part of me using MacBook was to have linux / unix-like shell and development environment.
Unit Testing With ASP.NET Core
It’s important that your unit test run against public interface of module. Otherwise, you do not test behaviour but your implementation of the behaviour. In ...
Get last item from List in F#
In C#, you use bang (!) to negate a boolean expression. Unfortunately, not in F#. it’s “not”
Fix ASP.NET Core port number on Service Fabric
If you create a stateless asp.net core api as service fabric service, the port number changes each time you restart the service fabric service. It’s quite an...
Configuration in ASP.NET Core
When you create stateless service fabric asp.net core api, the template doesn’t add configuration builder by default. I’ve spent about an hour pulling my hai...
github
My favourite Git commands
create a new branch git checkout -b /feature/postcode
Using Github APIs to pull posts and to convert them to blog posts
First, create a new personal access token to authenticate the api request. Otherwise, you will be hit by the rate limit.
Git, Merging from Remote Branch
I did this on Bash on Windows 7 (64bit) against my github account. I tried to push my change to github, and found it's not possible. [sourcecode language="ba...
jquery
my jQuery tips
A collection of jQuery examples and tips adding background image to an element [sourcecode language="javascript"] <script type="text/javascript"...
jQuery basics
This is the summary of "Fundamentals of Great jQuery Development", which is available at http://vimeo.com/18511621. javascript is a functional language, not ...
jquery selection basics
[sourcecode language="javascript"] $(':checkbox') //If you want to select all checkboxes, $(':checkbox:enabled') //Select all checkboxes enabled $(...
show ajax loader image while making ajax request with jquery
You will need an image, first. Go to ajaxload.info and get one you like. Put the html for the loader in the page. [sourcecode language="html"] <div id=&qu...
Disable browser cache for ajax request on ASP.NET MVC
The application reloads the list of jobs, if any job is reposted or expired. We display different labels, such as "reposted", "expired", depending on the act...
service-fabric
Any CPU settings in Visual Studio sln content for Service Fabric service
Any CPU.ActiveCfg = Debug|Any CPU Any CPU.ActiveCfg = Debug|x64 Any CPU.ActiveCfg = Release|x64 x64.ActiveCfg = Debug|x64 x64.Build.0 = Debug|x64 ...
Service Fabric app health check
Add health check libraries
Fix Port number for Service Fabric ASP.NET Core on the local development machine
To do so, you need to fix the port number for your local machine. On other environments like Staging or Production, you can let the Service Fabric service de...
Service Fabric skeleton service
Visual Studio Template Skeleton
Deploy Service Fabric type when one of its services needs deletion
“Error Services must be explicitly deleted before removing their Service Types.”
asp.net
Skipping IIS Custom Error pages
By default, IIS7 intercepts 4xx and 5xx status responses with its own custom error pages. At work, we have a custom redirection module that checks if the sta...
Keeping site root url clean without query string
References ASP.Net Cookies Overview Adding parameters to query string at run time Reflection Binding Flags Enumeration .Net reflector SEO is becoming more ...
add a reference to assembly ‘System.Web.Extensions…
I was adding a ajax-enabled control on a page and suddenly having "... You must add a reference to assembly 'System.Web.Extensions..." error. It complained t...
CS1595 ‘…’ is defined in multiple places error when you use a user control
CS1595: '_ASP.FormsLoginPart_ascx' is defined in multiple places; using definition from 'c:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET Files...
tips
Powershell script tips
Write to a file Use Set-Content and Add-Content Set-Content Add-Content [sourcecode language="bash"] Set-Content "C:\Program Files\Sublime Text 2\subl...
windows batch file tips
using batch parameter comprehensive documentation [sourcecode language="bash"] @echo off sublime_text.exe %1 [/sourcecode] hide output and output only the ...
git tips
I have used git for a year now on my personal projects, but it's still mysterious. I feel like I need a good gui like TortoiseHG. Probably Git Extension is t...
Regular expression tips
There are several regular expression I use more often than I thought. This will be a comprehensive list of those expressions. Get file extension Useful if yo...
mac
Customising Mac’s terminal prompt
You can colourise it, if you want. Open .bash_profile in your editor (I used sublime) [sourcecode language="bash"] sublime .bash_profile [/sourcecode] Add th...
Change Mac’s Computer name
Launch ‘System Preferences’ Click the ‘Sharing’ icon Type in what you want your Mac’s new computer name to be Close ‘System Preferences’
Windows 7 Bootcamp on mac Shortcut Keys
# Hash It should be a simple thing, but dear!, I coundn't find it. On Mac, you can use alt + 3. The combination is weird enough, but on windows 7, I couldn't...
Show and hide hidden files on mac
This should be a simple matter, but it troubled me so much. Simply, you need to the followings, but be warned that there are slight incorrect version of comm...
rails
Rails Commands
Summary of various ruby commands .erb: embedded ruby, the primary template system for including dynamic content in web pages. Generation [sourcecode language...
rails generate basics
create controller with help and home routes [sourcecode language="bash"] $ rails generate controller StaticPages home help --no-test-framework [/sourcecode] ...
rails validation basics
Probably the easiest one, :length. You can give :maximum length. [sourcecode language="rails"] class Micropost < ActiveRecord::Base attr_accessible :con...
Setting up ruby on rails on ubuntu
First of all, I am following on-line version of rails tutorial (http://ruby.railstutorial.org/ruby-on-rails-tutorial-book?version=3.2#top). Michael recommend...
sublime text 2
Open sublime text 2 from command line on windows
In Mac, you can open sublime text 2 from terminal, and it’s really handy. I wanted to replicate the same thing on windows, so wrote a simple script that enab...
About sublime text 2
Another great text editor, free to everyone, but you can contribute to the project by paying for the license. sublime text 2: http://www.sublimetext.com/2 su...
Tools, libraries and patterns used at Huddle
Huddle uses extensive list of open source libraries and tools, and I love it. This is the list of things I discovered so far. Server side Of course, .NET an...
running sublime text 2 on ubuntu
You can download sublime text 2. I created a directory, "Applications" under Home. I extracted the downloaded tar in there. Then I did "Make Link" of sublime...
demo
Hello World!
dbyll is minimalist, stylish theme for jekyll. Supports gravatar, account links (github, twitter, e-mail, pinterest, résume file) and a bio.
Configuration
In your config file change these settings
Sample
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis no...
Sample 2
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis...
dbyll
Hello World!
dbyll is minimalist, stylish theme for jekyll. Supports gravatar, account links (github, twitter, e-mail, pinterest, résume file) and a bio.
Configuration
In your config file change these settings
Sample
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis no...
Sample 2
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis...
dbtek
Hello World!
dbyll is minimalist, stylish theme for jekyll. Supports gravatar, account links (github, twitter, e-mail, pinterest, résume file) and a bio.
Configuration
In your config file change these settings
Sample
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis no...
Sample 2
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis...
react
React Native TextInput
```javascript import { TextInput } from ‘react-native’;
error listen EADDRINUSE address already in use 8081
```bash lsof -i :8081 ...
React Navigation in my code
Create a mother Stack that hosts all other Stacks Create AppContainer that contains the stack
Calling the parent’s function from a child component in React
To show and hide an element in react is really simple.
golang
Consuming restful APIs in GoLang
I was given a docker compose file. I need to launch the docker in order to call the test apis.
Learning Go through a course in Coursera
Recently, my friend, Eduard, suggested learning Golang. Go is an interesting language with powerful low-level features like pointer but also with modern lang...
Setting up Go environment
Go programs are organised into packages.
Moving blog engine to Hugo
I used brew to install hugo.
c# programming
birdman and becoming polyglot
Birdman is an American black comdy that features a faded Hollywood actor famous for his superhero role. While seeing the film, I kind of thought I have somet...
When to use static methods?
This is a question that hanuts me since I installed Resharper recently. Resharper keeps suggesting that the method can be static. I can see that it can be st...
Create a random strong password
This is to create a random strong password. I don't want to make it too strong, for example password with special character. 1 number and 1 upper case will b...
build
A simple script that cleans and builds visual studio solution with psake
psake is a simple build automation tool written in powershell, and works well on Microsoft platform. This is a really simple example that cleans bin folder, ...
MS Build - Publish to FileSystem
I'm working for a simple project and wanted to deploy it to the webserver in my church. I installed TeamCity and set it up to pull the source code from githu...
MSBUild task: Get the latest code from TFS and build
Resource TFS command-line help: http://blogs.msdn.com/noahc/archive/2007/01/22/real-tfs-command-line-help.aspx SDC Tasks: http://www.codeplex.com/sdctasks r...
msbuild
MS Build - Publish to FileSystem
I'm working for a simple project and wanted to deploy it to the webserver in my church. I installed TeamCity and set it up to pull the source code from githu...
error CS0227: Unsafe code may only appear if compiling with /unsafe
This is the error message you get, when you build a project with some bit of unsafe code in it. Simply you need to "Alt + Enter" on the project to see the pr...
MSBUild task: Get the latest code from TFS and build
Resource TFS command-line help: http://blogs.msdn.com/noahc/archive/2007/01/22/real-tfs-command-line-help.aspx SDC Tasks: http://www.codeplex.com/sdctasks r...
testing
Asserting on Collelctions on NUnit
```csharp var names = new[] { “Sarah”, “Amrit”, “Amanda”, “Sarah” }; Assert.That(names, Has.Exactly(4).Items); // pass Assert.That(names, Is.Empty); // fail...
Load Testing a Website
What is Load Testing? Load testing is the process of putting demand on a system or device and measuring its response. Load testing is performed to determine...
How to use html test suite and cases on Selenium RC
References How to install and use Selenium RC http://www.jroller.com/selenium/ Very good and complete article on introduction. Selenium Core FAQ Selenium RC...
korean
Node.js의 힘, npm
Node.js, 이제는 모르는 사람이 없는 서버쪽 자바 스크립트 프로그래밍 언어 및 환경. 작년부터 Node.js를 개인 프로젝트에 조금씩 써보다가 이제는 거기에 꽂혀서 모든 개인 프로젝트를 Node.js로 하고 있다. 그런데 계속 쓰다보니, 이 npm이란 놈이 여간 기특하지 않은...
Huddle에 오게되어 감사
Huddle에서 일하기 시작한지도 벌써 4개월째이다. Start-up에서 시작했지만, 지금은 꽤 규모도 커졌고, funding도 많이 받아서 이제는 어느 정도 궤도에 올라선 것 같다. 하지만, 자유로운 분위기, 주식을 직원들에게 나눠 주는점, 과감한 기술 투자 등의 Start-up...
Joel’s first passport
Susanna가 갑자기 한국에 가게 되어서 조엘이의 British Passport를 신청하고 있다. Check and Send service 를 이용하면 약 2주 안에 받을 수 있다. 신청할 수 있는 Post office는 POST OFFICE LTD MEDIA VILLAGE SP...
StructureMap
Structuremap Basics
Define the instance for your interface [sourcecode language="csharp"] public class WiringModule { public void Initialize(IInitializationExpression x) ...
RepositoryLocator, a variation of generic repository
I use StructureMap as IoC at work. I use it to get an object I need, and it is very handy. One night, while cycling home, I thought what if I can get reposit...
structuremap will scan your machine.config / web.config
It's not a security threat or concern. I don't mean StructureMap does any harm. As IoC container, StructureMap tries to do his job by searching for assemblie...
rails tutorial
heroku basics
Create an application on heroku [sourcecode language="bash"] $ heroku create --stack cedar $ git push heroku master [/sourcecode] This will create an auto-ge...
rails validation basics
Probably the easiest one, :length. You can give :maximum length. [sourcecode language="rails"] class Micropost < ActiveRecord::Base attr_accessible :con...
rake basics
Rake is ruby make, a make-like language in ruby. make has been used to build code in linux & unit environment. [sourcecode language="bash"] $ bundle exec...
dependency injection
Ninjecting ASP.NET MVC 4 Web Api
Injecting dependencies into ASP.NET MVC controllers is straightforward with Ninject. Just install Ninject and Ninject.MVC3 via nuget. It will create a file "...
About Castle Windsor Container
Since I moved to Huddle, I am using Castle Windsor. This post is the summary of what I would learn while using Castle Windsor. the source code I don't know w...
Structuremap Basics
Define the instance for your interface [sourcecode language="csharp"] public class WiringModule { public void Initialize(IInitializationExpression x) ...
OAuth
Dictionary.Insert Null reference error
최근에 OAuth를 이용한 로그인 시스템을 구현하면서 login client를 NuGet Package로 만들었었다. 다른 개발자들이 쉽게 로그인 기능을 이용할 수 있도록. 그런데 자꾸만 acquired token을 저장하는 static Dicionary에서 Null Referen...
Adding facebook login to my own website
The official document (https://developers.facebook.com/docs/facebook-login/login-flow-for-web) is the best tutorial. But when you follow it, there's a few th...
Authenticating your api call - draft
Security matters, and you need to authenticate your api calls. There are a few ways to do it. You can insert authentication cookie into the http header of yo...
sql
Update a column with Case statement
It's handy syntax. just a reminder for myself, as I don't use sql often. [sourcecode language="sql"] UPDATE [SiteUsr] SET HashAlgorithm = CASE WHEN LEN...
Use transactions for select statements
Transactions are usually when you have insert, update or delete statements with the "atomic" behaviour. However, in a highly concurrent application, it could...
Indexing CreatedDate
Indexing columns is a joy and adventure. I have just indexed a datetime column to boost performance. The query had a date range, and the column didn't have i...
csharp
Uploading a file to S3 using PreSignedUrl with HttpClient
```csharp private static async Task UploadToS3(string filename, string preSignedUrl) { await using var fileStream = File.OpenRead(filename); var file...
Deserializing yaml file in C#
Deserialize YAML
Copy all files in directory in C#
```csharp void Copy(string sourceDir, string targetDir) { Directory.CreateDirectory(targetDir);
selenium
Remove the annoying certificate error page when running selenium tests
Selenium and webdriver tests are everywhere these days. They can be often slow and flaky, but you need to run them to make sure you didn't break anything. cf...
How to use html test suite and cases on Selenium RC
References How to install and use Selenium RC http://www.jroller.com/selenium/ Very good and complete article on introduction. Selenium Core FAQ Selenium RC...
English Study
Paul Hong 선교사님의 영어공부 비법 3가지
여러가지 비법이 있을 수 있지만, Paul Hong 선교사님이 자신의 체험을 바탕으로 한 영어 잘하기 비법 3가지를 공개하셨다. 이 세가지 비법이 가진 강점은 본인이 직접 실행하여 그 효과를 체험하였다는 것. 영어 공부의 목적이 "영어를 쓰는 사람들을 사랑하기 위한 것" 이 되어...
Paul Hong 선교사님의 영어공부 비법 3가지
여러가지 비법이 있을 수 있지만, Paul Hong 선교사님이 자신의 체험을 바탕으로 한 영어 잘하기 비법 3가지를 공개하셨다. 이 세가지 비법이 가진 강점은 본인이 직접 실행하여 그 효과를 체험하였다는 것. 영어 공부의 목적이 "영어를 쓰는 사람들을 사랑하기 위한 것" 이 되어...
readability
Post: Standard
All children, except one, grow up. They soon know that they will grow up, and the way Wendy knew was this. One day when she was two years old she was playing...
Post: Modified Date
This post has been updated and should show a modified date if used in a layout.
standard
Post: Standard
All children, except one, grow up. They soon know that they will grow up, and the way Wendy knew was this. One day when she was two years old she was playing...
Post: Modified Date
This post has been updated and should show a modified date if used in a layout.
NHibernate
Updating NHibernate version
I'm updating NHibernate version of a project and comes across a few errors. NHibernate.ISession' does not contain a definition for 'Linq' It seems session.Li...
Using NHibernate, Sqlite in your ASP.Net MVC project
I used Entity Framework for my personal projects for a while but wanted to try NHibernate. Instead of NUnit, I tried MS Test this time. First problem was tha...
shell
Building Console+, an enhanced (hopefully) interface to windows shells
Everyday, almost, I use three different shells, Command Prompt, PowerShell, and Bash for Git. I think the interface of those shells has lots to improve. As I...
Visual Studio 2010 Command Prompt Here On the Context Menu of Windows Explorer
You use keyboards and command line more and more, as you get more experienced with the tools in development. If you install git on windows, it creates "Git b...
Resharper
My ReSharper Keyboard Shortcuts
This is ReSharper's comprehensive shortcuts. Yet there are a few things I favour. shft + f12: Go to previous error/warning/highlight. Handy, when you create...
Get ReSharper To Allow _ Underscore in Test Method Names
ReSharper usually doesn’t like it, but you can turn off the inspection for test methods. http://atombrenner.blogspot.co.uk/2010/07/how-to-change-resharper-na...
Unit Test
Veryfying the key and value of the dictionary passed as parameter with Moq.It
In unit-tests, you mock out external dependencies. With Mock framework, you can verify that a correct value is passed into the dependency. Today, I had a cas...
Get ReSharper To Allow _ Underscore in Test Method Names
ReSharper usually doesn’t like it, but you can turn off the inspection for test methods. http://atombrenner.blogspot.co.uk/2010/07/how-to-change-resharper-na...
ajax
show ajax loader image while making ajax request with jquery
You will need an image, first. Go to ajaxload.info and get one you like. Put the html for the loader in the page. [sourcecode language="html"] <div id=&qu...
Disable browser cache for ajax request on ASP.NET MVC
The application reloads the list of jobs, if any job is reposted or expired. We display different labels, such as "reposted", "expired", depending on the act...
About
About sublime text 2
Another great text editor, free to everyone, but you can contribute to the project by paying for the license. sublime text 2: http://www.sublimetext.com/2 su...
About Castle Windsor Container
Since I moved to Huddle, I am using Castle Windsor. This post is the summary of what I would learn while using Castle Windsor. the source code I don't know w...
huddle
Opening an office document from Code
It's a simple job at a glance, and it should be. But we had a bug with that feature. You open a document on Huddle and it should be opened in an application ...
Tools, libraries and patterns used at Huddle
Huddle uses extensive list of open source libraries and tools, and I love it. This is the list of things I discovered so far. Server side Of course, .NET an...
javascript
list of javascript quirks
This post is to remind myself of mistakes I did or encountered with javascript. Do not use window.location.origin It is undefined in Firefox currently (ver. ...
Don’t use string concatenation for JSON string, use JSON.stringify()
As javascript newbie, this is what I did. [sourcecode language="javascript"] return '{"Data" : ' + '{' + '"uid" : "' + this.uid...
webdriver
Webdriver tips
Webdriver is still a useful testing framework, thought phantom.js may be a better fit for javascript-intensive for SPA(Single Page Application). The below ar...
Remove the annoying certificate error page when running selenium tests
Selenium and webdriver tests are everywhere these days. They can be often slow and flaky, but you need to run them to make sure you didn't break anything. cf...
teamcity
MS Build - Publish to FileSystem
I'm working for a simple project and wanted to deploy it to the webserver in my church. I installed TeamCity and set it up to pull the source code from githu...
Team City Basics
This post is about the way I use TeamCity and would not be completed for the time being. Checkout rules you make checkout path to map to different path. For ...
NuGet
NuGet restore
NuGet is a package manager like NPM for node.js or Gem for Ruby, and it is a dominant one in .NET. You can handle dependency packages in two ways. You downlo...
NuGet basics
The definitive documentation is nuget.org. If you are a console person and don't like nody UI stuff, you can use the Package Manager Console. I am a NuGet us...
WPF
About WPF RichTextBox
This content is moved from Console+ post, as I use Avalon Text Editor, not RichTextBox, for the project. It's an interesting control. Because now I can read ...
Building Console+, an enhanced (hopefully) interface to windows shells
Everyday, almost, I use three different shells, Command Prompt, PowerShell, and Bash for Git. I think the interface of those shells has lots to improve. As I...
data access
Converting SqlDataReader’s value to C# types
I spent another day working with SqlDataReader, and actually I enjoyed it. It's pure geek joy to learn a new thing a day. With SqlDataReader, you get the va...
IDataReader’s GetInt32() and GetOrdinal(), and performance
Yesterday, I came across a code that simply pulls data with DataReader. These days, you would usually use NHibernate, Entity Framework, or whatever you like ...
data reader
Converting SqlDataReader’s value to C# types
I spent another day working with SqlDataReader, and actually I enjoyed it. It's pure geek joy to learn a new thing a day. With SqlDataReader, you get the va...
IDataReader’s GetInt32() and GetOrdinal(), and performance
Yesterday, I came across a code that simply pulls data with DataReader. These days, you would usually use NHibernate, Entity Framework, or whatever you like ...
bash
make a file executable in bash
Add #!/bin/bash to the top of it. This is necessary for the “make it executable” part. Add lines that you’d normally type at the command line. … At th...
Customising Mac’s terminal prompt
You can colourise it, if you want. Open .bash_profile in your editor (I used sublime) [sourcecode language="bash"] sublime .bash_profile [/sourcecode] Add th...
setup
Hello World!
dbyll is minimalist, stylish theme for jekyll. Supports gravatar, account links (github, twitter, e-mail, pinterest, résume file) and a bio.
Configuration
In your config file change these settings
tools
Configuring Resharper’s javascript level for ECMAScript 2016
Go to Resharper Options > Code Editing > javascript > Inspection
Visualize your dependeicnes with graphviz
Graphviz use simple markdown-like syntax to draw complex graphs. Initially I tried mermaid but it was more for flowchart, where things flow in one way. Graph...
data
Sql queries I use for SQLite
Case insensitivity in SQLite
Using dapper with sqlite
Connection strings
azure-service-bus
Retrieving Topics and Subscriptions from Azure Service Bus
```csharp var managementClient = new ManagementClient(_configs.ServiceBusConnectionString); var topics = new List();
Sending a ServiceBus message in an integrated test
What to test for integration testing?
jekyll
Migrating all my writings to Github pages
Installations
Migrating all my writings to Github pages
Installations
prayer
Morning Prayer
오랜만에 다시 morning prayer에 나오게 되었다. 아침에 벌떡. 아침에 기도하고, 저녁에 집에 가기전에 기도하고, 주님을 더 믿으며, 더 기도할 때 반드시 하나님이 축복하실 것을 믿는다. 그런데 인터넷을 찾아보니, 아침에 벌떡 이라는 책도 있네.
Translation
번역 작업에 도움이 되는 도구들
누나가 부탁해서 안경 관련 번역을 하고 있는데, 구글 Docs를 써보니 꽤 괜찮다. 구글 번역도 일단 한번 돌린다음, 정리하는 식으로 하니 좀 도움이 되고. Google docs Golgle Translate 안경 관련 어휘들을 번역하는 게 좀 많이 힘들었는데, 아 고맙게 이를...
game
MAME 사이트
그래픽 카드를 사고 나서 심심해서 게임을 좀 찾아보았다. 백마탄 환자님의 MAME 사이트
sqlserver
password is commented out in Sql server 2005 profiler
It is a bit annoying that every sql statement that has 'password' literally are commented out. You can't see the statement in Profiler. There seems to be a h...
Bible
성경공부 Check list
다음처럼 Bible student와 함께 공부하기 위해 준비한 필요 사항들을 체크리스트로 만들어 보았다 양과 함께 발표할 소감을 쎃는가? 문제지는 프린트 되었는가? 중점적으로 심을 한 말씀을 정했는가?
IIS ASP.Net
Install website in IIS using vbscript
Reference Script Repository: IIS 6.0 Enumerate IIS Virtual Directories using WMI in VBScript HOWTO: Enumerate IIS website and ftpsite configuration (VBScrip...
c# COM+
Specify .net version for COM+ components (dllhost.exe)
Last Thursday (13/11/2008), I reinstalled Visual Studio 2008 and sudeenly, all data access layer components which were COM+ did not work. WIth the help of ot...
regular expression
Regular expression tips
There are several regular expression I use more often than I thought. This will be a comprehensive list of those expressions. Get file extension Useful if yo...
김창준
김창준님의 좀 더 나은 사회를 위한 몇 가지 방법 - 어쩌면 IT 기술을 사용해서
마침 김창준님의 블로그 RSS를 구독하던 터라 김창준님의 presentation을 보게 되었습니다. 많은 생각을 하게 하는 presentation이였습니다. 먼저 presentation zen을 언급하셨는데, 저역시 이책을 읽고 이에 따라 prensetation을 하려고 애쓰던 중...
Extensity
Adding a “Open the containing folder” command to Visual Studio.Net 2003
Resources Yahoo VS.Net add-on group: http://tech.groups.yahoo.com/group/vsnetaddin/ Visual Studio.Net Add-on samples: http://www.microsoft.com/downloads/det...
Visual Studio add-in
Adding a “Open the containing folder” command to Visual Studio.Net 2003
Resources Yahoo VS.Net add-on group: http://tech.groups.yahoo.com/group/vsnetaddin/ Visual Studio.Net Add-on samples: http://www.microsoft.com/downloads/det...
reflection
Keeping site root url clean without query string
References ASP.Net Cookies Overview Adding parameters to query string at run time Reflection Binding Flags Enumeration .Net reflector SEO is becoming more ...
office 2007
Change office 2007 product key
I have installed office 2007, but the product key was used too many times, and the office failed in activation. I received another product key, but was not s...
life in uk
영국에서 개발자로 일한다는 것은…
옛날에 마소에 기고했던 글인데 인터넷에 pdf 파일이 떠돌기에 아예 내 블로그에 올려버렸다. 마침 동아일보의 손영일 기자님과 우연한 기회에 인터뷰도 하게되기도 했고. 영국에서 개발자로 살기 Part I 영국에서 개발자로 살기 Part II
Windows Home Server
“the file cannot be accessed by the system” after deleting windows home server
Honestly I panicked when I tried to open a text file and found that I could not open the file nor copy it. I installed Windows Home Server. I liked the simpl...
DreamMail
File is rejected by a third-party system, when it is utf-8 encoded with BOM
Recently, I had a chance to refactor codes for a system that sends a file to DreamMail. Because we did not touch any FTP functionality, we were complacent an...
StreamWriter
File is rejected by a third-party system, when it is utf-8 encoded with BOM
Recently, I had a chance to refactor codes for a system that sends a file to DreamMail. Because we did not touch any FTP functionality, we were complacent an...
family
Joel’s first passport
Susanna가 갑자기 한국에 가게 되어서 조엘이의 British Passport를 신청하고 있다. Check and Send service 를 이용하면 약 2주 안에 받을 수 있다. 신청할 수 있는 Post office는 POST OFFICE LTD MEDIA VILLAGE SP...
WCF
lots of microsoft windows communication foundation webcasts
http://www.dasblonde.net/2007/06/24/WCFWebcastSeries.aspx http://social.msdn.microsoft.com/Forums/en-US/wcf/thread/362aaaf6-8eda-4fff-8e4c-8198e3f327f
chat
Post: Chat
Abbott: Strange as it may seem, they give ball players nowadays very peculiar names.
notice
Post: Notice
A notice displays information that explains nearby content. Often used to call attention to a particular detail.
quote
Post: Quote
Only one thing is impossible for God: To find any sense in any copyright law on the planet. Mark Twain
link
Post: Link Permalink
This theme supports link posts, made famous by John Gruber. To use, just add link: http://url-you-want-linked to the post’s YAML front matter and you’re done.
sqlite
Deploying Sqlite together with ASP.Net MVC and Entity Framework
Of course, you need to install sqlite or deploy the dll together. Yet I keep forgetting that I need to register ".Net Framework Data Provider for Sqlite" You...
MS Test
Using NHibernate, Sqlite in your ASP.Net MVC project
I used Entity Framework for my personal projects for a while but wanted to try NHibernate. Instead of NUnit, I tried MS Test this time. First problem was tha...
scrum
South Korean flag in magnet
We, in Totaljobs, use Scrum, and as you know, a big whiteboard, paper card, and magnets are essential tools for Scrum. When the end of sprint is approaching,...
Entity Framework
Pulling records from a referenced table using Entity Framework
Strangely, most of Entity Framework examples are for just one table. In real world, it is very rare, unless you use some document database. Often you get a r...
C# iTextSharp
Outputting to pdf using iTextSharp
Recently, I moved to Barclays. My job is still development, though. Totaljobs is a good company, and I enjoyed its casual, IT geek culture. It's the thing I ...
NUnit
Testing private method in unit testing
Ideally, it is not recommended to test private methods, as complex internals should be kept hidden and only interface be tested. Well, in real world, sometim...
Html Helper
My favourite helpers for ASP.NET MVC
As you use ASP.NET MVC on and on, you start building and using handy html helpers. Rob Conery posted a few of his helpers on his blog. You can find some more...
lamda
Handling Sandwich Code in C#
What is "Sandwich Code"? I found it in Ruby Koans. Often, you have to do something at the beginning and at the end, even though your main lock is in the midd...
sandwich code
Handling Sandwich Code in C#
What is "Sandwich Code"? I found it in Ruby Koans. Often, you have to do something at the beginning and at the end, even though your main lock is in the midd...
NDC
The benefits of simple, automated performance testing by Kristoffer Dyrkorn
It is so good that all those videos are published after conference. If you are not a speaker at the conference, not sponsored by your company, or not have a ...
Perfornamce
The benefits of simple, automated performance testing by Kristoffer Dyrkorn
It is so good that all those videos are published after conference. If you are not a speaker at the conference, not sponsored by your company, or not have a ...
Cat
Snowy, our beloved cat
This is a reminder for myself not to forget snowy's details Flea medicine: Frontline Combo Spot-On Cat Worming: Drontal
lion
Show and hide hidden files on mac
This should be a simple matter, but it troubled me so much. Simply, you need to the followings, but be warned that there are slight incorrect version of comm...
mac os x
Show and hide hidden files on mac
This should be a simple matter, but it troubled me so much. Simply, you need to the followings, but be warned that there are slight incorrect version of comm...
d3
d3.js Data-Driven Documents
This is an amazing javascript library that allows you to impressively visualise your data. http://mbostock.github.com/d3/ When you download it from github,...
javascript library
d3.js Data-Driven Documents
This is an amazing javascript library that allows you to impressively visualise your data. http://mbostock.github.com/d3/ When you download it from github,...
mime type
d3.js Data-Driven Documents
This is an amazing javascript library that allows you to impressively visualise your data. http://mbostock.github.com/d3/ When you download it from github,...
command prompt
Visual Studio 2010 Command Prompt Here On the Context Menu of Windows Explorer
You use keyboards and command line more and more, as you get more experienced with the tools in development. If you install git on windows, it creates "Git b...
pushd
Visual Studio 2010 Command Prompt Here On the Context Menu of Windows Explorer
You use keyboards and command line more and more, as you get more experienced with the tools in development. If you install git on windows, it creates "Git b...
registry
Visual Studio 2010 Command Prompt Here On the Context Menu of Windows Explorer
You use keyboards and command line more and more, as you get more experienced with the tools in development. If you install git on windows, it creates "Git b...
visual studio
Visual Studio 2010 Command Prompt Here On the Context Menu of Windows Explorer
You use keyboards and command line more and more, as you get more experienced with the tools in development. If you install git on windows, it creates "Git b...
default application
How to change default application in OS X
Since I installed xcode, all my ruby files (.rb) opens in xcode by default. I much prefer textmate. To change the set default application, Select a file on ...
ruby
How to change default application in OS X
Since I installed xcode, all my ruby files (.rb) opens in xcode by default. I much prefer textmate. To change the set default application, Select a file on ...
Pattern
RepositoryLocator, a variation of generic repository
I use StructureMap as IoC at work. I use it to get an object I need, and it is very handy. One night, while cycling home, I thought what if I can get reposit...
Repository Pattern
RepositoryLocator, a variation of generic repository
I use StructureMap as IoC at work. I use it to get an object I need, and it is very handy. One night, while cycling home, I thought what if I can get reposit...
leeds castle
Visiting Leeds Castle
Used AirBnb. Staying in a local countryhome was a fantastic experience. My wife enjoyed it more than I did. Rented a car from Zipcar. It was very handy.
tour
Visiting Leeds Castle
Used AirBnb. Staying in a local countryhome was a fantastic experience. My wife enjoyed it more than I did. Rented a car from Zipcar. It was very handy.
nautilus open terminal
Setting up ruby on rails on ubuntu
First of all, I am following on-line version of rails tutorial (http://ruby.railstutorial.org/ruby-on-rails-tutorial-book?version=3.2#top). Michael recommend...
rvm
Setting up ruby on rails on ubuntu
First of all, I am following on-line version of rails tutorial (http://ruby.railstutorial.org/ruby-on-rails-tutorial-book?version=3.2#top). Michael recommend...
sublime text
Setting up ruby on rails on ubuntu
First of all, I am following on-line version of rails tutorial (http://ruby.railstutorial.org/ruby-on-rails-tutorial-book?version=3.2#top). Michael recommend...
rake
rake basics
Rake is ruby make, a make-like language in ruby. make has been used to build code in linux & unit environment. [sourcecode language="bash"] $ bundle exec...
validation
rails validation basics
Probably the easiest one, :length. You can give :maximum length. [sourcecode language="rails"] class Micropost < ActiveRecord::Base attr_accessible :con...
heroku
heroku basics
Create an application on heroku [sourcecode language="bash"] $ heroku create --stack cedar $ git push heroku master [/sourcecode] This will create an auto-ge...
os x
OS X Terminal Basics
Delete a directory recursively and forcefully. You have files in there, but you want to delete the directory [sourcecode language="bash"] rm -rf first_app/ [...
terminal
OS X Terminal Basics
Delete a directory recursively and forcefully. You have files in there, but you want to delete the directory [sourcecode language="bash"] rm -rf first_app/ [...
rspec
rspec basics
When you create a new site, skip generating unit test, as you want to use rspec instead. [sourcecode language="bash"] $ rails new sample_app --skip-test-unit...
test
rspec basics
When you create a new site, skip generating unit test, as you want to use rspec instead. [sourcecode language="bash"] $ rails new sample_app --skip-test-unit...
generate
rails generate basics
create controller with help and home routes [sourcecode language="bash"] $ rails generate controller StaticPages home help --no-test-framework [/sourcecode] ...
sublime
running sublime text 2 on ubuntu
You can download sublime text 2. I created a directory, "Applications" under Home. I extracted the downloaded tar in there. Then I did "Make Link" of sublime...
ubuntu
running sublime text 2 on ubuntu
You can download sublime text 2. I created a directory, "Applications" under Home. I extracted the downloaded tar in there. Then I did "Make Link" of sublime...
attribute
Disable browser cache for ajax request on ASP.NET MVC
The application reloads the list of jobs, if any job is reposted or expired. We display different labels, such as "reposted", "expired", depending on the act...
cache
Disable browser cache for ajax request on ASP.NET MVC
The application reloads the list of jobs, if any job is reposted or expired. We display different labels, such as "reposted", "expired", depending on the act...
bootcamp
Windows 7 Bootcamp on mac Shortcut Keys
# Hash It should be a simple thing, but dear!, I coundn't find it. On Mac, you can use alt + 3. The combination is weird enough, but on windows 7, I couldn't...
loader
show ajax loader image while making ajax request with jquery
You will need an image, first. Go to ajaxload.info and get one you like. Put the html for the loader in the page. [sourcecode language="html"] <div id=&qu...
checkbox
jquery selection basics
[sourcecode language="javascript"] $(':checkbox') //If you want to select all checkboxes, $(':checkbox:enabled') //Select all checkboxes enabled $(...
textmate
My Favourite Textmate Shortcuts
cmd + T: Go to file ctrl + cmd + R: Reveal in a project shft + cmd + N: new file in the current folder cmd + Enter: go to the next line cmd + W: close tab ...
commands
Rails Commands
Summary of various ruby commands .erb: embedded ruby, the primary template system for including dynamic content in web pages. Generation [sourcecode language...
Personal Project
What I learned while updating my church website
Working on a person project is lots of fun. You have a whole control over your project, what to do, how to do, and when to do. Also, it gives an opportunity ...
twitter bootstrap
What I learned while updating my church website
Working on a person project is lots of fun. You have a whole control over your project, what to do, how to do, and when to do. Also, it gives an opportunity ...
castle windsor
About Castle Windsor Container
Since I moved to Huddle, I am using Castle Windsor. This post is the summary of what I would learn while using Castle Windsor. the source code I don't know w...
dynamic proxy
About Castle Windsor Container
Since I moved to Huddle, I am using Castle Windsor. This post is the summary of what I would learn while using Castle Windsor. the source code I don't know w...
json
Don’t use string concatenation for JSON string, use JSON.stringify()
As javascript newbie, this is what I did. [sourcecode language="javascript"] return '{"Data" : ' + '{' + '"uid" : "' + this.uid...
windows batch file
windows batch file tips
using batch parameter comprehensive documentation [sourcecode language="bash"] @echo off sublime_text.exe %1 [/sourcecode] hide output and output only the ...
acceptance test
Remove the annoying certificate error page when running selenium tests
Selenium and webdriver tests are everywhere these days. They can be often slow and flaky, but you need to run them to make sure you didn't break anything. cf...
firefox
Remove the annoying certificate error page when running selenium tests
Selenium and webdriver tests are everywhere these days. They can be often slow and flaky, but you need to run them to make sure you didn't break anything. cf...
test automation
Remove the annoying certificate error page when running selenium tests
Selenium and webdriver tests are everywhere these days. They can be often slow and flaky, but you need to run them to make sure you didn't break anything. cf...
http
my favourite (?) HTTP status codes
Sourced from Wikipedia - List of HTTP Status Code 401 Unauthorized Similar to 403 Forbidden, but specifically for use when authentication is required and ...
fiddler
Debugging with Fiddler
Setup Well, download Fiddler first by visiting http://www.fiddler2.com/fiddler2/version.asp. Use BeyondCompare to compare web sessions Everyone loves ...
reverse proxy
Debugging with Fiddler
Setup Well, download Fiddler first by visiting http://www.fiddler2.com/fiddler2/version.asp. Use BeyondCompare to compare web sessions Everyone loves ...
jumploader
Jumploader - Java File Upload Applet
JumpLoader is a Java applet designed to upload files from the client to a server. Well, I know this is the age of HTML5 and you are not cool if you don’t use...
Kent Beck
Reading Kent Beck’s “Test-Driven Development By Example”
This is my third time read. When I read it first time, I didn't know much of TDD and wanted to grasp its concept. Now, it's been several years since I learne...
TDD
Reading Kent Beck’s “Test-Driven Development By Example”
This is my third time read. When I read it first time, I didn't know much of TDD and wanted to grasp its concept. Now, it's been several years since I learne...
intelliJ
programming in java after 10 years of break
I learned java at Uni. and worked really hard. Yet, I didn't have chance to use it when I becaue a full time programmer. I was a Delphi and VB guy and then C...
java
programming in java after 10 years of break
I learned java at Uni. and worked really hard. Yet, I didn't have chance to use it when I becaue a full time programmer. I was a Delphi and VB guy and then C...
junit
programming in java after 10 years of break
I learned java at Uni. and worked really hard. Yet, I didn't have chance to use it when I becaue a full time programmer. I was a Delphi and VB guy and then C...
bootable usb
making bootable usb with ms-dos or ubuntu linux to check hard drive failure on the laptop
Quite descriptive title. My friend had a laptop failure. It has windows 7 installed, but it didn't boot. I tried to boot in safe mode, but it still failed. I...
korean character set
Convert a text document with korean character set to unicode utf-8
I'm working on a Korean website. It's about zen breathing and meditation. So, I have all the documents I want to upload. I read them from the file and displa...
utf-8
Convert a text document with korean character set to unicode utf-8
I'm working on a Korean website. It's about zen breathing and meditation. So, I have all the documents I want to upload. I read them from the file and displa...
versioning
About Semantic Versioning…
http://semver.org/ cool practice to manage your version consistently.
blackberry
Unlocking Blackberry bold
It seems Blackberry is the coolest phone among secondary school kids. My daughter has longed for it for long time, and finally got it from my wife's friend. ...
Console+
Building Console+, an enhanced (hopefully) interface to windows shells
Everyday, almost, I use three different shells, Command Prompt, PowerShell, and Bash for Git. I think the interface of those shells has lots to improve. As I...
win api
Building Console+, an enhanced (hopefully) interface to windows shells
Everyday, almost, I use three different shells, Command Prompt, PowerShell, and Bash for Git. I think the interface of those shells has lots to improve. As I...
한글
Huddle에 오게되어 감사
Huddle에서 일하기 시작한지도 벌써 4개월째이다. Start-up에서 시작했지만, 지금은 꽤 규모도 커졌고, funding도 많이 받아서 이제는 어느 정도 궤도에 올라선 것 같다. 하지만, 자유로운 분위기, 주식을 직원들에게 나눠 주는점, 과감한 기술 투자 등의 Start-up...
Load Testing
Load Testing a Website
What is Load Testing? Load testing is the process of putting demand on a system or device and measuring its response. Load testing is performed to determine...
RichTextBox
About WPF RichTextBox
This content is moved from Console+ post, as I use Avalon Text Editor, not RichTextBox, for the project. It's an interesting control. Because now I can read ...
Crystal
Crystal Methodology - draft
"Methodology" is even hard to spell. Initially, I wrote "Methodoligy" and soon noticed something was wrong. Crystal is a methodology introduced by Cockburn. ...
Methodology
Crystal Methodology - draft
"Methodology" is even hard to spell. Initially, I wrote "Methodoligy" and soon noticed something was wrong. Crystal is a methodology introduced by Cockburn. ...
paypal
Add paypal buy now button on the web site - draft
I'm working on the website of a restaurant that Sue's friend owns. Recently, her friend wanted to add online order feature, and her preferred payment method ...
cmdlet
Writing a powershell cmdlet…
A cmdlet (reads "command-lit") is a lightweight command used in Powershell environment. The Powershell runtime invokes cmdlets within the context of automati...
performance
IDataReader’s GetInt32() and GetOrdinal(), and performance
Yesterday, I came across a code that simply pulls data with DataReader. These days, you would usually use NHibernate, Entity Framework, or whatever you like ...
ado.net
Converting SqlDataReader’s value to C# types
I spent another day working with SqlDataReader, and actually I enjoyed it. It's pure geek joy to learn a new thing a day. With SqlDataReader, you get the va...
log4net
Sending errors in a roll up digest email with log4net
On production, there are many alerts in a short period. It's nice to get error emails, but you would want to avoid receiving hundreds of emails in a few minu...
MSpec
Use mspec-clr4.exe for .NET 4 assemblies
Otherwise, you get an error like 19/03/2013 14:31:39: An Error Occurred: Exec: Error executing command & $mspecPath @(dir "$buildFolder\*Tests*\*Tests*.d...
JWT
JWT - JSON Web Token
JWT is JWT (JSON Web Token) is "a compact URL-safe means of representing claims to be transferred between two parties," by its definition. (http://self-issue...
Security
JWT - JSON Web Token
JWT is JWT (JSON Web Token) is "a compact URL-safe means of representing claims to be transferred between two parties," by its definition. (http://self-issue...
Signature
JWT - JSON Web Token
JWT is JWT (JSON Web Token) is "a compact URL-safe means of representing claims to be transferred between two parties," by its definition. (http://self-issue...
ninject
Ninjecting ASP.NET MVC 4 Web Api
Injecting dependencies into ASP.NET MVC controllers is straightforward with Ninject. Just install Ninject and Ninject.MVC3 via nuget. It will create a file "...
web api
Ninjecting ASP.NET MVC 4 Web Api
Injecting dependencies into ASP.NET MVC controllers is straightforward with Ninject. Just install Ninject and Ninject.MVC3 via nuget. It will create a file "...
mock
Veryfying the key and value of the dictionary passed as parameter with Moq.It
In unit-tests, you mock out external dependencies. With Mock framework, you can verify that a correct value is passed into the dependency. Today, I had a cas...
moq
Veryfying the key and value of the dictionary passed as parameter with Moq.It
In unit-tests, you mock out external dependencies. With Mock framework, you can verify that a correct value is passed into the dependency. Today, I had a cas...
appcmd
display currently running application pools with appcmd list wp
When you try to debug your website locally, often Visual Studio shows more than one w3p.exe processes, if you run multiple application pools. Attaching to al...
Exception
Catch multiple Exceptions at one go
It is not a good practice to catch System.Exception, as the catch block will be executed with unexpected exceptions and it will hide the real error. But some...
python
a few things I learned in 3 hour python hacking
I don't usually use python. My daily language is C#, so it was a nice, refreshing time to code in python. A couple of weeks ago, I wrote a small plug in with...
sample2
Sample 2
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis...
just thinking
The first post
This is my first markdown post. Will it be easy if I write on local machine, rather than on Wordpress page? Not sure, but honestly, wordpress.com needs to im...
personal space
Dovonshire House, 공부방
음 난 내성적인 편이다. 그러면서도 결혼해서 애들은 셋이나 있으면서 북적 북적 사는 내가 대견하다 ^^. 어쨋든 성격때문에, 사람들에게 치인 마음을 추스리려면 조용한 혹은 조용하지 않더라도 타인을 전혜 신경쓸 필요가 없는 그런 공간이 자주 필요한데, 그럴때면, laptop을 들고 ...
personal
아프면 쉴 수 있는 삶
지난 주말에 아는 후배가 직장 잡는 걸 도와주기 위해 토일 이틀에 걸쳐 skype로 pair programming을 했었다. 토요일 오후 2시에 시작해서 저녁 11시 30분에 끝나고, 일요일 오후 4시즈음에 시작해 저녁 8시 30분 정도에 끝났으니, 아주 빡세게 달린셈이다. 그랬더...
work in the uk
아프면 쉴 수 있는 삶
지난 주말에 아는 후배가 직장 잡는 걸 도와주기 위해 토일 이틀에 걸쳐 skype로 pair programming을 했었다. 토요일 오후 2시에 시작해서 저녁 11시 30분에 끝나고, 일요일 오후 4시즈음에 시작해 저녁 8시 30분 정도에 끝났으니, 아주 빡세게 달린셈이다. 그랬더...
countdown
London Bus
Recently, I'm playing with TFS's countdown apis. As I am a bus commuter, I use bus arrival check app everyday. There are free and paid apps on iPhone and my ...
london bus
London Bus
Recently, I'm playing with TFS's countdown apis. As I am a bus commuter, I use bus arrival check app everyday. There are free and paid apps on iPhone and my ...
Adding facebook login to my own website
The official document (https://developers.facebook.com/docs/facebook-login/login-flow-for-web) is the best tutorial. But when you follow it, there's a few th...
login
Adding facebook login to my own website
The official document (https://developers.facebook.com/docs/facebook-login/login-flow-for-web) is the best tutorial. But when you follow it, there's a few th...
script
A simple script that cleans and builds visual studio solution with psake
psake is a simple build automation tool written in powershell, and works well on Microsoft platform. This is a really simple example that cleans bin folder, ...
근황
요즘 근황 (2014. 11월)
며칠전에 Skype 채용 담당자로부터 메일이 왔다. Skype Web App 팀에서 사람을 구하고 있다고. 지금 회사인 Huddle도 마음에 들지만, 양파님의 블로그 글을 읽다보니 웬지 Skype에 가볼까 하는 생각도 생긴다. 근데 웬지 마소는 좀 지는 해 같아서. 이번에 구조 조...
desktop
Opening an office document from Code
It's a simple job at a glance, and it should be. But we had a bug with that feature. You open a document on Huddle and it should be opened in an application ...
polyglot
birdman and becoming polyglot
Birdman is an American black comdy that features a faded Hollywood actor famous for his superhero role. While seeing the film, I kind of thought I have somet...
thought
birdman and becoming polyglot
Birdman is an American black comdy that features a faded Hollywood actor famous for his superhero role. While seeing the film, I kind of thought I have somet...
film
Sacrifice is noble, but what if the cause is not clear?
I saw American Sniper last week. Undoubtedly, it's a great film to watch and it was heroic for Kyle to guard his fellow soldiers against the attack from the ...
node
Node.js의 힘, npm
Node.js, 이제는 모르는 사람이 없는 서버쪽 자바 스크립트 프로그래밍 언어 및 환경. 작년부터 Node.js를 개인 프로젝트에 조금씩 써보다가 이제는 거기에 꽂혀서 모든 개인 프로젝트를 Node.js로 하고 있다. 그런데 계속 쓰다보니, 이 npm이란 놈이 여간 기특하지 않은...
posh git
Posh Git shows the current branch and the state of files in powershell prompt
It's a set of PowerShell scripts that gives Git integration in PowerShell prompt. https://github.com/dahlbyk/posh-git The first thing you notice once you ins...
life in london
이민, 새로운 기회와 도전
"당신의 미국 이민이 망하는 다섯 가지 이유" 제목의 슬로우 뉴스 기사를 트위터를 통해 접하고는 잠깐 "광분" 했었다. 그럴꺼 까지는 없었는데. 문든 옛 생각이 났다. 대학원 가기 전, 준비를 위해 석사 1년차이던 선배에게 조언을 구했던 일이. 선배의 답변에 너무 놀랬었다. "야 ...
api
HATEOAS RESTful service
HATEOAS stands for Hypermedia as the Engine of Application State. It's a concept I encountered about 5 years ago, in an after work technical talk that was he...
rest
HATEOAS RESTful service
HATEOAS stands for Hypermedia as the Engine of Application State. It's a concept I encountered about 5 years ago, in an after work technical talk that was he...
Reactive Extensions
Reactive Extensions, to write async, event-based programs with observables
Hello World in Reactive way Reactive Programming is "a programming paradigm oriented around data flows and the propagation of change" (wikipedia) With Reacti...
mouse
Inverting the direction of mouse scroll wheel in Windows
Why would you do that? It's because since in Mac OS X Lion, they've reversed the wheel scroll direction. I've always reversed it back in system preference. T...
말씀
양치기들에게 나타나신 하나님
Luke 2:8-9 “And there were shepherds living out in the fields nearby, keeping watch over their flocks at night. 9 An angel of the Lord appeared to them, and ...
Jekyll
Welcome to Jekyll!
You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different wa...
update
Welcome to Jekyll!
You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different wa...
WILT,
Visualize your dependeicnes with graphviz
Graphviz use simple markdown-like syntax to draw complex graphs. Initially I tried mermaid but it was more for flowchart, where things flow in one way. Graph...
domain-driven-design
Strongly Typed Identifier
GUID or UUID is the almost standard identifier for entity objects these days. It used be INT and I still do love INT as id type, but the trend is GUID.
APIs
Outbox Pattern in API and Messaging
Outbox is a simple relational database table that temporarily store all the events the service raises.
Messaging
Outbox Pattern in API and Messaging
Outbox is a simple relational database table that temporarily store all the events the service raises.
aws-amplify
Build and deploy a full-stack react app on AWS
Created a new react app first.
azure-storage-account
Upload and download file to and from Storage account
dotnet add Microsoft.Azure.Storage.Blob
regular-expressions
Back to Top ↑ios
Managing certificate to publish an iOS app
Create a certificate Create a profile Download the certificate from your developer account
dotnet-core
Register all your services to IServiceCollection
Read json configuration file and assign the values to typed configuration object. Register services
system-design
Back to Top ↑dynamo-db
Scan with multiple filters in Dynamo DB
This is a basic example.