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Use dynamic variable names in JavaScript
...b = 2,
c = 3;
In the Global scope (= NO function context), you implicitly write those variables into the Global object (= window in a browser).
Those can get accessed by using the "dot" or "bracket" notation:
var name = window.a;
or
var name = window['a'];
This only works for the global...
Creating a textarea with auto-resize
... doesn't shrink if you delete the content. I can't find any way to shrink it to the correct size - the clientHeight value comes back as the full size of the textarea , not its contents.
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Why is there no Constant feature in Java?
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Every time I go from heavy C++ coding to Java, it takes me a little while to adapt to the lack of const-correctness in Java. This usage of const in C++ is much different than just declaring constant variables, if you didn't know. Essentially, it ensures that an object i...
Get the name of an object's type
... way or another:
Here is a hack that will do what you need - be aware that it modifies the Object's prototype, something people frown upon (usually for good reason)
Object.prototype.getName = function() {
var funcNameRegex = /function (.{1,})\(/;
var results = (funcNameRegex).exec((this).cons...
Why use AJAX when WebSockets is available?
...reate an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process.
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Difference between `constexpr` and `const`
...const declares an object as constant. This implies a guarantee that once initialized, the value of that object won't change, and the compiler can make use of this fact for optimizations. It also helps prevent the programmer from writing code that modifies objects that were not meant to be modified a...
“document.getElementByClass is not a function”
I am trying to run a function onclick of any button with class="stopMusic" . I'm getting an error in Firebug
9 Answers
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jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
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Having an argument in your it function (done in the code below) will cause Jasmine to attempt an async call.
//this block signature will trigger async behavior.
it("should work", function(done){
//...
});
//this block signature will run synchronous...
Converting XML to JSON using Python?
...a fair share of ungainly XML->JSON code on the web, and having interacted with Stack's users for a bit, I'm convinced that this crowd can help more than the first few pages of Google results can.
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How does Access-Control-Allow-Origin header work?
Apparently, I have completely misunderstood its semantics. I thought of something like this:
16 Answers
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