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What is the purpose of a self executing function in javascript?
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It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be written without concern of how variables ar...
Do you need text/javascript specified in your tags?
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See Crockford's write-up on the <script> tag, most notably:
Do not use the <!-- //--> hack with scripts. It was intended to prevent scripts from showing up as text on the first generation browsers Netscape 1 and Mosaic. It has ...
When and why are database joins expensive?
I'm doing some research into databases and I'm looking at some limitations of relational DBs.
7 Answers
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Ignore whitespace in HTML [duplicate]
Is there anything in HTML/CSS that tells the browser to ignore whitespace completely?
12 Answers
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Amazon S3 - HTTPS/SSL - Is it possible? [closed]
I saw a few other questions regarding this without any real answers or information (or so it appeared).
4 Answers
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What is the difference between association, aggregation and composition?
What is the difference between association, aggregation, and composition?
Please explain in terms of implementation.
19 An...
Websocket API to replace REST API?
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Not to say that the other answers here don't have merit, they make some good points. But I'm going to go against the general consensus and agree with you that moving to websockets for more than just realtime features is very appealing.
I am seriously considering moving my app...
What is the equivalent of the C# 'var' keyword in Java?
One use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var ?
15 Answers
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boolean in an if statement
...ther hand:
if (booleanValue === true)
This will only satisfy the if condition if booleanValue is exactly equal to true. No other truthy value will satisfy it.
On the other hand if you do this:
if (someVar == true)
Then, what Javascript will do is type coerce true to match the type of someVar...
What is the concept of erasure in generics in Java?
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It's basically the way that generics are implemented in Java via compiler trickery. The compiled generic code actually just uses java.lang.Object wherever you talk about T (or some other type parameter) - and there's some met...