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module.exports vs exports in Node.js

... want to export a constructor function then there is something you should know about using module.exports or exports;(Remember again that module.exports will be returned when you require something, not export). module.exports = function Something() { console.log('bla bla'); } Now typeof retur...
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How to check for valid email address? [duplicate]

...g it even a little tighter. Seems safe to limit TLD to alphanumeric right now (still haven't seen a TLD that has non-ASCII chars). Using this now: re.compile(r"[^@\s]+@[^@\s]+\.[a-zA-Z0-9]+$") – gaefan Aug 29 '15 at 15:39 ...
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What does the “map” method do in Ruby?

..., convert each element by some rule names.map! {|name| name.capitalize } # now names contains ['Danil', 'Edmund'] names.each { |name| puts name + ' is a programmer' } # here we just do something with each element The output: Danil is a programmer Edmund is a programmer ...
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What is the reason not to use select *?

...tle differently. Brittle is normally defined as 'breaks easily'. Having unknown or hard-to-find dependencies because each piece of code will use different columns means I can't easily change anything at the data level without full regression .. which seems brittle. – Robert Pau...
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]

... can please drop a .NET resource for that in the comment or so). I wonder now what the best place for storing uploaded images is. ...
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Fastest way to list all primes below N

...tmp) )//const del_mult(tmptk[off], start, prime) # now we go back to top tk1, so we need to increase pos by 1 pos += 1 cpos = const * pos # 30k + 1 if tk1[pos]: prime = cpos + 1 p.append(prime) lastadded = 1 ...
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How to order events bound with jQuery

...ks - the script I write may be found in one of those blocks, but I do not know which one, that is handled by the controller. ...
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What does “dereferencing” a pointer mean?

...ate, see "More about memory addresses, and why you probably don't need to know" at the end of this answer. When you want to access the data/value in the memory that the pointer points to - the contents of the address with that numerical index - then you dereference the pointer. Different computer...
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stopPropagation vs. stopImmediatePropagation

...portant here! $("p").click(function(event) { // This function will now trigger $(this).css("background-color", "#f00"); }); $("p").click(function(event) { event.stopImmediatePropagation(); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js">&l...
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What's the best practice for putting multiple projects in a git repository? [closed]

...o your current branch. Each project should be in its own orphaned branch. Now for whatever reason, git needs a bit of cleanup after an orphan checkout. rm .git/index rm -r * Make sure everything is committed before deleting Once the orphan branch is clean, you can use it normally. Solution 2 ...