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Performance difference for control structures 'for' and 'foreach' in C#

...t; above ... does that apply to other collections also? Also, how did you know this (with no malice intended whatsoever) ... as in .. did u literally stumble across this while trying to answer this question, previously some time ago? It's so ... random / secret :) – Pure.Krome ...
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What is the difference between .text, .value, and .value2?

...book.Sheets(1) .Range(rngAddress).Offset(0, 1).ClearContents beginTime = Now For Each aCell In .Range(rngAddress).Cells If useValue2 Then aCell.Offset(0, 1).Value2 = aCell.Value2 + aCell.Offset(-1, 1).Value2 Else aCell.Offset(0, 1).Value = aCell.Value + aCell.Offset(-1, 1)...
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Getting a random value from a JavaScript array

...ple = function(){ return this[Math.floor(Math.random()*this.length)]; } Now: [1,2,3,4].sample() //=> a random element Code released into the public domain under the terms of the CC0 1.0 license. share | ...
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Why does UITableViewCell remain highlighted?

... I wonder what people are doing now that iOS 7 allows the user to 'drag' back. Partially dragging but then not completing the action will fire viewWillAppear. When the user returns for real, the row will not be selected. – Ben Packard ...
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jQuery: Best practice to populate drop down?

... Ancient history here I know, but for googlers like me who just stumbled on this now, wouldn't be even faster if you cloned an <option/> element instead of creating each one? – tedders Jan 10 '13 at 23:44 ...
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How to create module-wide variables in Python? [duplicate]

...name. Imagine a file called foo.py, containing this single line: X = 1 Now imagine you import it. import foo print(foo.X) # prints 1 However, let's suppose you want to use one of your module-scope variables as a global inside a function, as in your example. Python's default is to assume tha...
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Can I specify multiple users for myself in .gitconfig?

... This is the best answer now that git 2.13 has been released. – tejasbubane May 10 '17 at 11:18 2 ...
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Why does modern Perl avoid UTF-8 by default?

...ded as UTF‑8. Although once upon a time this pragma did other things, it now serves this one singular purpose alone and no other: use utf8; Declare that anything that opens a filehandle within this lexical scope but not elsewhere is to assume that that stream is encoded in UTF‑8 unless you tel...
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Best way for a 'forgot password' implementation? [closed]

...word.jsp page should be able to retrieve the ID parameter. Sorry, I don't know Java, so I can't be more specific. When the user clicks the link in the email, he is moved to your page. The page retrieves the ID from the URL, hashes it again, and checks against the table. If such a record is there and...
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How to discard all changes made to a branch?

...tried git reset --hard HEAD^ and it still left a bunch of untracked files. Now to google how to remove them in one simple command. – John Deighan Apr 3 '18 at 14:02 add a comm...