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Why is arr = [] faster than arr = new Array?
...rst, we go through the lexical analysis phase where we tokenize the code.
By way of example, the following tokens may be produced:
[]: ARRAY_INIT
[1]: ARRAY_INIT (NUMBER)
[1, foo]: ARRAY_INIT (NUMBER, IDENTIFIER)
new Array: NEW, IDENTIFIER
new Array(): NEW, IDENTIFIER, CALL
new Array(5): NEW, IDEN...
Getting the encoding of a Postgres database
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Why isn't textarea an input[type=“textarea”]?
...ld be a different type not tag. There are different types of input denoted by different values of type attribute of input tag and they all share one and the same input tag. So no, this quote is not an answer to this question.
– Piotr Dobrogost
Dec 10 '15 at 15:...
Maximum concurrent Socket.IO connections
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This is a good clean answer.. Also correct as it is case by case.. Personally i suggest ppl write their own benchmarks or connection simulator. While a test for someone else might be good, it does not represent the real world environment... Once you have a client simulator capable ...
Convert blob URL to normal URL
...', blobUrl);
xhr.send();
data: URLs are probably not what you mean by "normal" and can be problematically large. However they do work like normal URLs in that they can be shared; they're not specific to the current browser or session.
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Is it possible to execute code once before all tests run?
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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How can I do division with variables in a Linux shell?
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You can find out a lot by reading through the man-page for bash. Type man bash at the prompt (q to exit)
– paddy
Aug 7 '13 at 3:07
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How do I interpret precision and scale of a number in a database?
...50 (p=6,s=0) => out of range
Note that the range is generally defined by the precision: |value| < 10^p ...
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What is the AppDelegate for and how do I know when to use it?
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I normally avoid the design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normally involves separating functionality by ...