How to do a ‘select-all’ focus on a TextArea upon tab?
When tabbing through the fields I realized that the input focus behaves different from the TextArea. The TextArea doesn’t select its text… but it can be fixed by adding some jQuery.
Click to ‘select all’ on the PRE element
When you want to display code, you’re probably working with pre elements. The fact that they can contain markup make them really effective for syntax highlighting. I’ve used Knockout en comment binding to generate code into a pre field and that’s really cool.
Subscribe to all changes of an entire Knockout ViewModel
Knockout is amazing. It is fast and intuitive. I use the subscribe function a lot, but I found myself lacking a general subscribe that allows me to track the changes of an entire ViewModel, so I created one myself that even supports unsubscribe and throttling.
Serving SASS files for WordPress theme on IIS
I love SASS. What’s not to love? Well… it can’t be served directly by the web server like CSS. It needs to be pre-compiled before it is served. Fortunately there is a PHP SASS compiler that can be used to make PHP compile and serve SASS. I’m using an IIS installation, so I’ll be explaining how it can be done on a Windows machine.
How to scrape a photo from a Twitter Photo URL using PHP
After explaining how to scrape a photo from a Twitter Photo URL using C# (ASP.Net) I decided to port the script PHP so I could use it on WordPress. I ended up using CURL and a regular expression to do the trick.
A (slightly) better WebClient class supporting cookies and headers
Sometimes you’ll need a (slightly) better C# WebClient that’s able to store/retrieve cookies, prevent redirects or retrieve the HttpStatusCode of a request. I’ve created a small class that facilitates these features.
How to scrape a photo from a Twitter Photo URL with C#
Twitter uses its url shortener to place photo’s in Tweets. I’ve tried processing these URLs in the browser, but cross site scripting measures prevented me from processing the result with jQuery.
I decided to resolve it in C# (as I’m using ASP.Net). The following script leverages a WebClient and a regular expression to extract the photo URL from the shortened URL. This code could be added to a handler or a webservice that can be called from script.
Solving Knockout JS calculated bindings Syntax Error
Doing calculations on Knockout data-binds might result into a “Uncaught SyntaxError: Unable to parse bindings” error. Solution: use an anonymous function!