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Bash script - variable content as a command to run
...that correspond to the lines of a file. Next I want to extract those lines from the file using sed .
4 Answers
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How to stop a JavaScript for loop?
...d be much easier to use the method <array>.indexOf(<element>[, fromIndex])
It loops through an array, finding and returning the first index of a value. If the value is not contained in the array, it returns -1.
<array> is the array to look through, <element> is the value yo...
What is the proper way to check if a string is empty in Perl?
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The very concept of a "proper" way to do anything, apart from using CPAN, is non existent in Perl.
Anyways those are numeric operators, you should use
if($foo eq "")
or
if(length($foo) == 0)
share
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Warning on “diff.renamelimit variable” when doing git push
...is out? Why does the limit exist in the first place? Just to save your CPU from insanely large merges?
– electrovir
Aug 4 at 17:03
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Placeholder in IE9
...ince IE does not allow jQuery to manipulate input types (check out comment from Bill on December 20, 2011 at 1:48 pm on bavotasan.com/2011/html5-placeholder-jquery-fix)
– forste
Nov 7 '12 at 20:45
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How can you display the Maven dependency tree for the *plugins* in your project?
...ollowing command to get a list of plugin dependencies (resolve-plugin goal from dependencies plugin):
mvn org.apache.maven.plugins:maven-dependency-plugin:2.10:resolve-plugins
The shorter version is (and it is a bad habit to specify plugin versions)
mvn dependency:resolve-plugins
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How exactly does the python any() function work?
...ch looks very similar, but with surrounding []'s: [x > 0 for x in lst]. From the lst containing [-1, -2, 10, -4, 20], you would get this comprehended list: [False, False, True, False, True]. This internal value would then get passed to the any function, which would return True, since there is at ...
Insert a line break in mailto body
...ith an other platform, my code is working perfectly! it's definitly coming from the solution I use. All those hours lost for nothing... sorry guys, and again thank you for your help
– Marion
Apr 3 '14 at 15:33
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How to add ID property to Html.BeginForm() in asp.net mvc?
... Also having the action and controller set to null saves you from having to hard-code them. This is useful if you have your form within a partial view and that partial is used within multiple views like Create and Edit.
– Ken Pespisa
Apr 22 '11 a...
How to make inline functions in C#
...t; 1;
Comparison<string> compare3 = compare1; // this one only works from C# 4.0 onwards
These can be invoked directly as if they were regular methods:
int x = add(23, 17); // x == 40
print(x); // outputs 40
helloWorld(x); // helloWorld has one int parameter declared: Action<int>
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