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Bash if [ false ] ; returns true
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One can, but it's a really bad idea. ( $A && $B ) is a surprisingly inefficient operation -- you're spawning a subprocess via calling fork(), then string-splitting the contents of $A to generate a list of elements (in...
Is there an equivalent of 'which' on the Windows command line?
As I sometimes have path problems, where one of my own cmd scripts is hidden (shadowed) by another program (earlier on the path), I would like to be able to find the full path to a program on the Windows command line, given just its name.
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What is the difference between PS1 and PROMPT_COMMAND
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You could shorten one of your lines: if git branch &>/dev/null ; then\ . It redirects both stdout and stderr to /dev/null. tldp.org/LDP/abs/html/io-redirection.html
– user184968
Oct 3 '14 at 5:39
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How to remove item from list in C#?
...r filtered = result.Where(f => f.ID != 2); returns all items except the one with ID 2
Detailed answer:
I think .RemoveAll() is very flexible, because you can have a list of item IDs which you want to remove - please regard the following example.
If you have:
class myClass {
public int ID; pub...
Parse v. TryParse
...nd they are separate implementations with exactly the same code other than one has 'throw ...' and one has 'return false'. I wonder why they aren't consolidated?!
– Greg Beech
Jan 22 '09 at 8:39
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Check if an element contains a class in JavaScript?
.... as examples - the real strings are all different. I will only be showing one string at a time, not combining any (hence the breaks after each case). I just want it to still work even if the matching class is one of multiple classes on the div.
– daGUY
May 5 '...
How can I create a temp file with a specific extension with .NET?
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(To quote from the wiki article on the probabilty of a collision:
...one's annual risk of being hit by a
meteorite is estimated to be one
chance in 17 billion [19], that means
the probability is about 0.00000000006
(6 × 10−11), equivalent to the odds of
creating a few tens of tril...
jQuery trigger file input
...restriction is only when the <input type="file"/> is set to display:none; or is visbilty:hidden.
So i tried positioning it outside the viewport by setting position:absolute and top:-100px; and voilà it works.
see http://jsfiddle.net/DSARd/1/
call it a hack.
Hope that works for you.
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What is the “right” way to iterate through an array in Ruby?
... => 0
B => 1
C => 2
I'm not quite sure from your question which one you are looking for.
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Change name of iPhone app in Xcode 4
I want to change the name which is displayed below the app icon on the iPhone screen.
I use Xcode 4 and I have one target with keys:
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