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Check if a given key already exists in a dictionary
...anted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
for i in range(100):
d[i % 10] += 1
but in general, the in keyword is the best way...
How to update a pull request from forked repo?
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I did it using below steps:
git reset --hard <commit key of the pull request>
Did my changes in code I wanted to do
git add
git commit --amend
git push -f origin <name of the remote branch of pull request>
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Python Nose Import Error
... to recognize modules beneath my test script in the file structure. I've set up the simplest example that demonstrates the problem. I'll explain it below.
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Scala downwards or decreasing for loop?
... editor after snippets, if snippets enabled
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Length of an integer in Python
In Python, how do you find the number of digits in an integer?
22 Answers
22
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rejected master -> master (non-fast-forward)
I'm trying to push my project (all files in a new repository). I follow the steps but when I push with git push -u origin master I get this error:
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Who is listening on a given TCP port on Mac OS X?
On Linux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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How do I implement __getattribute__ without an infinite recursion error?
... not called. (This is an intentional asymmetry between __getattr__() and __setattr__().) This is done both for efficiency reasons and because otherwise __setattr__() would have no way to access other attributes of the instance. Note that at least for instance variables, you can fake total control by...
Search and replace in bash using regular expressions
...st $match instead of $BASH_REMATCH. (You can make it behave like bash with setopt bash_rematch.)
– Marian
May 3 '17 at 0:14
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How do I merge my local uncommitted changes into another Git branch?
How can I do the following in Git?
6 Answers
6
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