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What is a segmentation fault?
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Segmentation fault is a specific kind of error caused by accessing memory that “does not belong to you.” It’s a helper mechanism that keeps you from corrupting the memory and introducing hard-to-debug memory bugs. Whenever you get a segfault you know y...
Return value in a Bash function
I am working with a bash script and I want to execute a function to print a return value:
9 Answers
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What is __init__.py for?
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It used to be a required part of a package (old, pre-3.3 "regular package", not newer 3.3+ "namespace package").
Here's the documentation.
Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional package...
The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
Ok, what I have:
49 Answers
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What is Cache-Control: private?
When I visit chesseng.herokuapp.com I get a response header that looks like
4 Answers
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SQL JOIN - WHERE clause vs. ON clause
...lly the same, in that they produce the same results, does not mean the two kinds of clauses have the same semantic meaning.
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git working on two branches simultaneously
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If you have a git repo cool-app, cd to root (cd cool-app), run git worktree add ../cool-app-feature-A feature/A. This checks out the branch feature/A in it's own new dedicated directory, cool-app-feature-A.
That replaces an older script contrib/workdir/git-new-workdir, with a more robust mecha...
difference between css height : 100% vs height : auto
I was asked a question in an interview that "what is the difference between the css height:100% and height:auto ?"
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How to add dividers and spaces between items in RecyclerView?
...ve a complete solution, so I tried to do a short, up-to-date wrap-up.
Unlike ListView, the RecyclerView class has no divider-related parameters. Instead, you need to extend ItemDecoration, a RecyclerView's inner class:
An ItemDecoration allows the application to add a special drawing and layout of...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
...very element in an n-dimensional matrix in MATLAB. The problem is, I don't know how to do this for an arbitrary number of dimensions. I know I can say
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