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Apply function to all elements of collection through LINQ [duplicate]
...to all the elements of a collection, without using foreach. Something like python lambda functions.
8 Answers
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Windows Explorer “Command Prompt Here” [closed]
...tart with its current directory set to that of the explorer instance.
e.g.:python, ghci, powershell, cmd, etc...
Regex to check whether a string contains only numbers [duplicate]
...ct malformed octal, I should match valid hex and decide whether to include Python3/Java numbers like 123_456 or C++ 123'456. \d+ seems like a middle ground in the absence of more context like a specific programming or human language and was strongly suggested by the author's first attempt.
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Print a file's last modified date in Bash
...dding more lines to the script.
PS - I use #!/usr/bin/env bash as I'm a Python user by day, and have different versions of bash installed on my system instead of #!/bin/bash
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Replace None with NaN in pandas dataframe
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You can use DataFrame.fillna or Series.fillna which will replace the Python object None, not the string 'None'.
import pandas as pd
import numpy as np
For dataframe:
df = df.fillna(value=np.nan)
For column or series:
df.mycol.fillna(value=np.nan, inplace=True)
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How to show vertical line to wrap the line in Vim?
... will highlight anything over 80 chars with red.
I put that command in my python.vim and ruby.vim under ~/.vim/after/ftplugin/.
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JavaScript implementation of Gzip [closed]
... this LZ77 implementation is no longer available and at least it's Python version (published on the same page) was incorrect for quite simple inputs.
– Piotr Findeisen
Oct 30 '09 at 13:04
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How should I write tests for Forms in Django?
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Not the answer you're looking for? Browse other questions tagged python django django-testing or ask your own question.
YouTube API to fetch all videos on a channel
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Below is a Python alternative that does not require any special packages. By providing the channel id it returns a list of video links for that channel. Please note that you need an API Key for it to work.
import urllib
import json
de...
Strange \n in base64 encoded string in Ruby
...the line-splitting. base64 does the same thing in other languages too (eg. Python).
The reason content-free newlines are added at the encode stage is because base64 was originally devised as an encoding mechanism for sending binary content in e-mail, where the line length is limited. Feel free to r...