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Preloading CSS Images
...ement is kept hidden so the images won't be rendered:
body::after{
position:absolute; width:0; height:0; overflow:hidden; z-index:-1; // hide images
content:url(img1.png) url(img2.png) url(img3.gif) url(img4.jpg); // load images
}
Demo
it's better to use a sprite image to reduce http reque...
When to use -retainCount?
I would like to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
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An efficient compression algorithm for short text strings [closed]
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Check out Smaz:
Smaz is a simple compression library suitable for compressing very short
strings.
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force browsers to get latest js and css files in asp.net application
...timestamp as a query parameter to the scripts.
I did this with an extension method, and using it in my CSHTML files. Note: this implementation caches the timestamp for 1 minute so we don't thrash the disk quite so much.
Here is the extension method:
public static class JavascriptExtension {
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Android: When should I use a Handler() and when should I use a Thread?
... a thread it is often useful to also use a Handler as a means of communication between the work thread that you are starting and the main thread.
A typical Thread/Handler interaction might look something like this:
Handler h = new Handler(){
@Override
public void handleMessage(Message msg...
Glorified classes in the Java language
...tring as well). It does other things as well (automatic static method creation, serialization handling, etc.), but those could theoretically be accomplished with code - it is just a lot of boilerplate, and some of the constraints could not be enforced in subclasses (e.g. the special subclassing rule...
When is layoutSubviews called?
...ave a custom view that's not getting layoutSubview messages during animation.
9 Answers
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NSNotificationCenter addObserver in Swift
How do you add an observer in Swift to the default notification center? I'm trying to port this line of code that sends a notification when the battery level changes.
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create two method for same url pattern with different arguments
I have scenario where one url "serachUser" may come with two different value (request parameter) userId or UserName.
2 Answ...
Growing Amazon EBS Volume sizes [closed]
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All great recommendations, and I thought I'd add this article I found, which relates to expanding a Windows Amazon EC2 EBS instance using the Amazon Web UI tools to perform the necessary changes. If you're not comfortable using CLI, this will mak...