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Bash, no-arguments warning, and case decisions
...echo 'you gave something else' ;;
esac
The Advanced Bash-Scripting Guide is pretty good. In spite of its name, it does treat the basics.
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Why would one declare a Java interface method as abstract?
... refactoring feature of Eclipse today to create an interface based on an existing class. The dialog box offered to create all the new methods of the new interface as "abstract" methods.
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PHP - How to check if a string contains a specific text [duplicate]
Suppose I have the code above, how to write the statement "if($a exist 'some text')"?
8 Answers
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How to insert a newline in front of a pattern?
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This works in bash and zsh, tested on Linux and OS X:
sed 's/regexp/\'$'\n/g'
In general, for $ followed by a string literal in single quotes bash performs C-style backslash substitution, e.g. $'\t' is translated to a litera...
CSS: Setting width/height as Percentage minus pixels
I'm trying to create some re-usable CSS classes for more consistency and less clutter on my site, and I'm stuck on trying to standardize one thing I use frequently.
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Remove empty elements from an array in Javascript
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EDIT: This question was answered almost nine years ago when there were not many useful built-in methods in the Array.prototype.
Now, certainly, I would recommend you to use the filter method.
Take in mind that this method will retu...
github: No supported authentication methods available
...that file, put the following line of code:
GIT_SSH="/usr/bin/ssh.exe"
This will set the GIT_SSH environment variable to use the ssh client included with git.
The .profile script gets executed when you start your Git Bash command line.
Edit:
This is my .profile. It will ask you for your password...
Adding a cross-reference to a subheading or anchor in another page
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The expression "reST/Sphinx" makes the scope of the question unclear. Is it about reStructuredText in general and Sphinx, or only about reStructuredText as used in Sphinx (and not reStructuredText in general)? I'm going to cover both since people using RST are likely to run into both cases at s...
git stash changes apply to new branch?
... on master branch, made some changes and then stashed them. Now, my master is at HEAD.
3 Answers
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How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |s...