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Regex exactly n OR m times
...s", I think a literal translation to regex would be (x{n}|x{m}).
Like this https://regex101.com/r/vH7yL5/1
or, in a case where you can have a sequence of more than m "x"s (assuming m > n), you can add 'following no "x"' and 'followed by no "x", translating to [^x](x{n}|x{m})[^x] but that would a...
How do you organize your version control repository?
...t prevent it from being built in the IDE, if feasible).
Consider nAnt for .NET projects on Windows, or something similar based on your OS, target platform, etc.
Make every project build script reference its external (3rd-party) dependencies from a single local shared "library" directory, with every ...
Why #egg=foo when pip-installing from git repo
...to be the same either way. Note that I'm installing using the pip install https://... syntax which doesn't require -e.
– Taylor Edmiston
Aug 8 '17 at 1:43
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...
Do a “git export” (like “svn export”)?
... I tried : git archive --format=zip --output foo.zip --remote=https://github.com/xxx.git master And got fatal: Operation not supported by protocol. Unexpected end of command stream.
– andyf
Jul 19 '13 at 8:04
...
How to check if a URL is valid
... =~ /\A#{URI::regexp}\z/
If you only want to check for web URLs (http or https), use this:
url =~ /\A#{URI::regexp(['http', 'https'])}\z/
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fo...
Simple Digit Recognition OCR in OpenCV-Python
...
Hello, could we load a trained net to use?
– yode
Jul 11 '18 at 6:47
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...
.keyCode vs. .which
...e your decision. Be aware that this feature may cease to work at any tim
https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode
Instead use either: .key or .code depending on what behavior you want:
https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code
https://devel...
How and when to use ‘async’ and ‘await’
...context of the original thread that it was running on. For example, in ASP.NET you have an HttpContext which is tied to a thread when a request comes in. This context contains things specific to the original Http request such as the original Request object which has things like language, IP address,...
How to put a label on an issue in GitHub if you are not a contributor / owner?
...
GitHub issue templates label auto assignment (December 2018)
https://help.github.com/en/articles/creating-issue-templates-for-your-repository
The issue template feature is much older, but with an update from December 2018 https://github.blog/changelog/2018-12-05-issue-template-automat...
Rename specific column(s) in pandas
...ng columns with df.columns = ...? As shown by Ted Petrou in [this answer],(https://stackoverflow.com/a/46912050/4909087) set_axis is useful when trying to chain methods.
Compare
# new for pandas 0.21+
df.some_method1()
.some_method2()
.set_axis()
.some_method3()
Versus
# old way
df1 = df.some...