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Download Github pull request as unified diff
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Somewhat related, to let git download pull request 123 and patch it into mylocalbranch locally, run:
git checkout -b mylocalbranch
git pull origin pull/921/head
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Easiest way to convert int to string in C++
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@Rasoul NumberToString(23213.123) produces 23213.1 while std::to_string(23213.123) produces 23213.123000 What happens there?
– Killzone Kid
Nov 5 '17 at 23:00
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Test if executable exists in Python?
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Easiest way I can think of:
def which(program):
import os
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
fo...
How to set environment variables in Python?
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Environment variables must be strings, so use
os.environ["DEBUSSY"] = "1"
to set the variable DEBUSSY to the string 1.
To access this variable later, simply use:
print(os.environ["DEBUSSY"])
Child processes automatically inherit the environment variables of the par...
Using os.walk() to recursively traverse directories in Python
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This will give you the desired result
#!/usr/bin/python
import os
# traverse root directory, and list directories as dirs and files as files
for root, dirs, files in os.walk("."):
path = root.split(os.sep)
print((len(path) - 1) * '---', os.path.basename(root))
for file in fi...
Detecting Windows or Linux? [duplicate]
...he commons lang has a class SystemUtils.java
you can use :
SystemUtils.IS_OS_LINUX
SystemUtils.IS_OS_WINDOWS
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How can I pass data from Flask to JavaScript in a template?
... </script>
<script type="text/javascript" src="/static/test123.js"></script>
If I input jinja variables in test123.js it doesn't work and you will get an error.
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Deleting all files in a directory with Python
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Via os.listdir and os.remove:
import os
filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ]
for f in filelist:
os.remove(os.path.join(mydir, f))
Or via glob.glob:
import glob, os, os.path
filelist = glob.g...
How get integer value from a enum in Rails?
...lass to access the integer value for that instance:
my_model = Model.find(123)
Model.sale_infos[my_model.sale_info] # Returns the integer value
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Calculating a directory's size using Python?
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This walks all sub-directories; summing file sizes:
import os
def get_size(start_path = '.'):
total_size = 0
for dirpath, dirnames, filenames in os.walk(start_path):
for f in filenames:
fp = os.path.join(dirpath, f)
# skip if it is symbolic li...