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C++11 std::threads vs posix threads
...hat can be avoided for most applications.
– Erik Alapää
Aug 24 '16 at 8:00
Also, std::thread brings type safety that...
Django DB Settings 'Improperly Configured' Error
...django 1.11.5 and python 3.6 (from the comment this also works with Python 2.7):
import django
import os
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mysite.settings")
django.setup()
The .py in which you put this code should be in mysite (the parent one)
...
How do I merge a list of dicts into a single dict?
...gt; result
{'a':1,'c':1,'b':2,'d':2}
As a comprehension:
# Python >= 2.7
{k: v for d in L for k, v in d.items()}
# Python < 2.7
dict(pair for d in L for pair in d.items())
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How to remove the first character of string in PHP?
How to use PHP , Remove the first character :
13 Answers
13
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Cannot find module cv2 when using OpenCV
...hese lines in the code:
import sys
sys.path.append('/usr/local/lib/python2.7/site-packages')
or before running the python command in bash move to /usr/local/lib/python2.7/site-packages directory. This is a work around if you don't want to add any thing to the code.
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vim line numbers - how to have them on by default?
...
vim .vimrc and add the commands you want at open.
Here's a site that explains the vimrc and how to use it.
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Strip spaces/tabs/newlines - python
I am trying to remove all spaces/tabs/newlines in python 2.7 on Linux.
7 Answers
7
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Parse a .py file, read the AST, modify it, then write back the modified source code
...e tree structure and is very helpful in debugging. For example,
On Python 2.7:
>>> import ast
>>> tree = ast.parse("print 'Hello Python!!'")
>>> ast.dump(tree)
"Module(body=[Print(dest=None, values=[Str(s='Hello Python!!')], nl=True)])"
On Python 3.5:
>>> imp...
What are the differences between Deferred, Promise and Future in JavaScript?
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@MartinKällman You're right! I hadn't revisited this in a while and have learned a bit. I'll post a separate answer below, but leave this since people seem to have benefited from the usage example.
– fncomp
...