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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...t;code>false</code> otherwise.
*
* @param v the value to be tested.
* @return <code>true</code> if the value of the argument is NaN;
* <code>false</code> otherwise.
*/
static public boolean isNaN(double v) {
return (v != v);
}
...
What's the point of NSAssert, actually?
... wrong, and so the app quits. Assert can be very useful for debugging/unit testing, and also when you provide frameworks to stop the users from doing "evil" things.
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...
ExecutorService that interrupts tasks after a timeout
...ted successfully.
You can see the problem with the following (very crude) test program:
public static void main(String[] args) throws InterruptedException {
ExecutorService service = new TimeoutThreadPoolExecutor(1, 1, 10, TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(...
Objective-C for Windows
... a specific framework. Their aim is to keep Cocotron up to date with the latest version of OS X so that any viable OS X program can run on Windows. Because GNUStep typically uses the latest version of gcc, they also add in support for Objective-C++ and a lot of the Objective-C 2.0 features.
I haven...
How can I count text lines inside an DOM element? Can I?
...e padding and inter-line spacing into account.
EDIT
Fully self-contained test, explicitly setting line-height:
function countLines() {
var el = document.getElementById('content');
var divHeight = el.offsetHeight
var lineHeight = parseInt(el.style.lineHeight);
var lines = divHe...
What is difference between functional and imperative programming languages?
...all your pure method at will without worrying about side effects.
Easier testing and debugging. Because pure functions can more easily be tested in isolation, you can write test code that calls the pure function with typical values, valid edge cases, and invalid edge cases.
For OOP People or
Imp...
How to create dictionary and add key–value pairs dynamically?
...
var dict = {};
dict['key'] = "testing";
console.log(dict);
works just like python :)
console output:
Object {key: "testing"}
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Representing null in JSON
...This is not the same as both "not undefined and not null", and if you were testing for one condition or the other, this might succeed whereas JSON1 would fail.
This is the definitive way to represent null per the JSON spec.
JSON3 {"myCount": 0}
In this case, myCount is 0. That's not the same as nul...
Fastest way to determine if an integer's square root is an integer
I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer):
...
What is App.config in C#.NET? How to use it?
...ry1 with a name that matches your exe. For example, if your exe was named "test.exe", there should be a "text.exe.config" in your bin directory. You can change the configuration without a recompile, but you will need to edit the config file that was created at compile time, not the original app.conf...