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How do I parallelize a simple Python loop?
...rocesses and use the exact same interface.
Multiprocessing
Put this in a file - futuretest.py:
import concurrent.futures
import time, random # add some random sleep time
offset = 2 # you don't supply these so
def calc_stuff(parameter=None): # these are exam...
How to uncompress a tar.gz in another directory
... well
Or, if neither an absolute path nor a relative path to the archive file is suitable, you also can use this to name the archive outside of the scoping subshell:
TARGET_PATH=a/very/complex/path/which/might/even/be/absolute
mkdir -p "$TARGET_PATH"
(cd "$TARGET_PATH"; tar -xzf -) < bar.tar.g...
Comparing Haskell's Snap and Yesod web frameworks
... syntax for it. You are certainly welcome to their solution of just static files.
Yesod comes with seamless support for authentication/authorization, type-safe URLs, widgets, email, and a bunch of little things all over the place (breadcrumbs, messages, ultimate destination). Plus, Yesod has a fair...
Can I get a patch-compatible output from git-diff?
...oing something very simple wrong. I'm trying to prepare an ordinary patch file, so I can reapply some changes:
5 Answers
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Can git automatically switch between spaces and tabs?
...
Here is the complete solution:
In your repository, add a file .git/info/attributes which contains:
*.py filter=tabspace
Linux/Unix
Now run the commands:
git config --global filter.tabspace.smudge 'unexpand --tabs=4 --first-only'
git config --global filter.tabspace.clean 'expa...
RESTful web service - how to authenticate requests from other services?
...your self signed CA certificate to your truststore (by default the cacerts file in the JRE you are using, unless you specified another file in your webserver configuration), so the only trusted certificates would be those issued off of your self signed CA.
On the server side, you would only allow a...
Rollback a Git merge
...uld be to check out the left parent of that commit, make a copy of all the files, checkout HEAD again, and replace all the contents with the old files. Then git will tell you what is being rolled back and you create your own revert commit :) !
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How do I avoid capturing self in blocks when implementing an API?
...e a #pragma to suppress the warnings for that block of code. (Or use a per-file compiler flag. But don't disable the warning for the whole project.)
You could also look into using a similar trick above, declaring a reference weak or unretained and using that in the block. For example:
__weak MyDat...
How should I escape commas and speech marks in CSV files so they work in Excel?
I'm generating a CSV file (delimited by commas rather than tabs). My users will most likely open the CSV file in Excel by double clicking it. My data may contain commas and speech marks, so I'm escaping those as follows.
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URLWithString: returns nil
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Use This Function if you deal with file saved on file manager.
NSURL *_url = [NSURL fileURLWithPath:path];
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