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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
49
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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
...re!
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 ?"
4 An...
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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Using boolean values in C
... int bool;
#define true 1
#define false 0
Explanation
Option 1 will work only if you use C99 and it's the "standard way" to do it. Choose this if possible.
Options 2, 3 and 4 will have in practice the same identical behavior. #2 and #3 don't use #defines though, which in my opinion is better.
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Use of ~ (tilde) in R programming Language
...f the ~ are the explanatory variables. So in English you'd say something like "Species depends on Sepal Length, Sepal Width, Petal Length and Petal Width".
The myFormula <- part of that line stores the formula in an object called myFormula so you can use it in other parts of your R code.
Othe...
Reverse a string in Python
...; 'hello world'[::-1]
'dlrow olleh'
This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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