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What's the fastest way to loop through an array in JavaScript?

...o Currently, the fastest form of loop (and in my opinion the most syntactically obvious). A standard for-loop with length caching var i = 0, len = myArray.length; while (i < len) { // your code i++ } I would say, this is definitely a case where I applaud JavaScript en...
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How do write IF ELSE statement in a MySQL query

... You probably want to use a CASE expression. They look like this: SELECT col1, col2, (case when (action = 2 and state = 0) THEN 1 ELSE 0 END) as state from tbl1; ...
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How to get the contents of a webpage in a shell variable?

...get google.com -q -O -) echo $content We use the -O option of wget which allows us to specify the name of the file into which wget dumps the page contents. We specify - to get the dump onto standard output and collect that into the variable content. You can add the -q quiet option to turn off's wg...
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How do I discard unstaged changes in Git?

... @KarimSamir: The question specifically asks about changes that are not in the index. The git reset command will discard changes in the index too. – Greg Hewgill Apr 12 '15 at 17:28 ...
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Generating HTML email body in C#

...ited, probably covers many uses. Not so useful if you want to programmatically include sections of HTML and/or loop through a set of items that need rendering. – AnthonyWJones May 20 '09 at 9:25 ...
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Are negative array indexes allowed in C?

I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so: ...
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How to describe “object” arguments in jsdoc?

... * @typedef {Object} Person * @property {string} name how the person is called * @property {number} age how many years the person lived */ You can then use this in a @param tag: /** * @param {Person} p - Description of p */ Or in a @returns: /** * @returns {Person} Description */ For...
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]

... That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up) so that you can recover if there's a bug in your sed script. Of course, the .bak file gives you that protect...
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How to insert spaces/tabs in text using HTML/CSS

Possible ways: 18 Answers 18 ...
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Any difference between First Class Function and High Order Function

...s the definitions are certainly subjective and open to debate, but I personally prefer to think that C only supports higher order functions (via function pointers). However, first-class functions are not supported because functions are inferior to other value types like int or char, in the sense tha...