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Declaring variables inside a switch statement [duplicate]
...ers to this issue, and I get it — you can't declare and assign variables inside a switch . But I'm wondering if the following is correct at throwing an error saying
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Generator Expressions vs. List Comprehension
... you use generator expressions and when should you use list comprehensions in Python?
9 Answers
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Merge multiple lines (two blocks) in Vim
I'd like to merge two blocks of lines in Vim, i.e. take lines n..m and append them to lines a..b . If you prefer a pseudocode explanation: [a[i] + b[i] for i in min(len(a), len(b))]
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How can I determine whether a 2D Point is within a Polygon?
I'm trying to create a fast 2D point inside polygon algorithm, for use in hit-testing (e.g. Polygon.contains(p:Point) ). Suggestions for effective techniques would be appreciated.
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Why do we usually use || over |? What is the difference?
I'm just wondering why we usually use logical OR || between two booleans not bitwise OR | , though they are both working well.
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Xcode stuck on Indexing
A project I've been working for 2 months stopped working for no reason because Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
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Using module 'subprocess' with timeout
Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes:
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How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
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PHP DOMDocument loadHTML not encoding UTF-8 correctly
I'm trying to parse some HTML using DOMDocument, but when I do, I suddenly lose my encoding (at least that is how it appears to me).
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Android 'Unable to add window — token null is not for an application' exception
I get the following Android exception when I try to open a dialog. Can someone please help me understand what is going on and how can I fix this problem?
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