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How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
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Rolling back a remote Git repository
I have a remote Git repository, and I need to roll back the last n commits into cold oblivion.
4 Answers
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How do I test for an empty string in a Bash case statement?
I have a Bash script that performs actions based on the value of a variable. The general syntax of the case statement is:
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Why is DarkGray lighter than Gray?
Simple curiosity here, tinged with some practical concerns because I get caught out by this occasionally.
3 Answers
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Undo a Git commit after push using reverse patch?
I've pushed a commit and I want to revert changes introduced by this commit by applying and committing a reversed patch. How do I do it?
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C# XML Documentation Website Link
Is it possible to include a link to a website in the XML documentation? For example, my method's summarized as
6 Answers
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How do I check if a type provides a parameterless constructor?
I'd like to check if a type that is known at runtime provides a parameterless constructor. The Type class did not yield anything promising, so I'm assuming I have to use reflection?
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
John Carmack has a special function in the Quake III source code which calculates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why t...
Clear form field after select for jQuery UI Autocomplete
I'm developing a form, and using jQuery UI Autocomplete. When the user selects an option, I want the selection to pop into a span appended to the parent <p> tag. Then I want the field to clear rather than be populated with the selection.
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Fit background image to div
I have a background image in the following div, but the image gets cut off:
5 Answers
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