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How to use glyphicons in bootstrap 3.0
I have already used glyphicons in bootstrap 2.3 but now I have upgraded to bootstrap 3.0. Now, I am unable to use the icon property.
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Send a file via HTTP POST with C#
... Thanks, I've used it with something simple and I't worked. Now, as you say, I do need to emulate a browser input file, somethig like this <intput type="file" name"userFile"/>.
– gabitoju
Jul 15 '09 at 13:51
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Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...ng of a couple of places in my own code that I'm going to go look at right now, to see if I can optimize them using the techniques you pointed out.
– P Daddy
Jan 22 '11 at 16:15
1
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What is the Swift equivalent of isEqualToString in Objective-C?
...you don't need anymore to check the equality with isEqualToString
You can now use ==
Example:
let x = "hello"
let y = "hello"
let isEqual = (x == y)
now isEqual is true.
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What do the &,
Up until now I have only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*,
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Const in JavaScript: when to use it and is it necessary?
...eginning of 2014 and a lot has changed since then. ecmascript-6 support is now the norm. All modern browsers now support const so it should be pretty safe to use without any problems.
Original Answer from 2014
Despite having fairly decent browser support, I'd avoid using it for now. From MDN's a...
Force browser to clear cache
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SO is using GET arguments now.
– Saeb Amini
Nov 23 '11 at 16:36
61
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MySQL, better to insert NULL or empty string?
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I don't know what best practice would be here, but I would generally err in favor of the null unless you want null to mean something different from empty-string, and the user's input matches your empty-string definition.
Note that I'...
How do I expire a PHP session after 30 minutes?
...of the last activity of the user but update that value with every request. Now if the difference of that time to the current time is larger that 1800 seconds, the session has not been used for more than 30 minutes.
– Gumbo
Aug 9 '10 at 16:37
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