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Import a module from a relative path
... of modules with your script. I use this in production in several products and works in many special scenarios like: scripts called from another directory or executed with python execute instead of opening a new interpreter.
import os, sys, inspect
# realpath() will make your script run, even if ...
Technically, why are processes in Erlang more efficient than OS threads?
...er to switch context, because they only switch at known, controlled points and therefore don't have to save the entire CPU state (normal, SSE and FPU registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits...
git pull error :error: remote ref is at but expected
...s with the same name but different capitalisation, e.g. user_model_changes and User_model_changes as both of the remote branches will match the same tracking ref.
Delete the wrong remote branch (you shouldn't have branches that differ only by case) and then git remote prune origin and everything sh...
How do I execute a program from Python? os.system fails due to spaces in path
...'re used more on unix where the general method for a shell to launch a command is to fork() and then exec() in the child.
– Brian
Oct 15 '08 at 11:14
1
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How do I pass a string into subprocess.Popen (using the stdin argument)?
...hing
other than None in the result tuple,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin
Warning Use communicate() rather than
stdin....
Sound alarm when code finishes
I am in a situation where my code takes extremely long to run and I don't want to be staring at it all the time but want to know when it is done.
...
What is RPC framework and Apache Thrift?
...for a University project. As this tutorial says, it is an RPC framework, and it was the only document I could find for Thrift other than their documentation .
...
Get local IP address in node.js
I have a simple node.js program running on my machine and I want to get local IP address of PC on which my program is running. How do I get it with node.js?
...
How to install a specific JDK on Mac OS X?
...t I'm a bit surprised to only see downloadable versions for Linux, Windows and Solaris ...
16 Answers
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Most pythonic way to delete a file which may not exist
...e(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a function to do this for you:
import os, errno
def silentrem...