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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...
What's the difference between Unicode and UTF-8? [duplicate]
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most editors support save as ‘Unicode’ encoding actually.
This is an unfortunate misnaming perpetrated by Windows.
Because Windows uses UTF-16LE encoding internally as the memory storage format for Unicode strings, it conside...
“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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Can local storage ever be considered secure? [closed]
...for long periods. In order for this to be viable I cannot avoid saving sensitive data (personal data but not the kind of data you would only store hashed) in local storage.
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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...
insert vs emplace vs operator[] in c++ map
... I will start explaining those.
The operator[] is a find-or-add operator. It will try to find an element with the given key inside the map, and if it exists it will return a reference to the stored value. If it does not, it will create a new element inserted in place with default initialization and...
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...
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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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...