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Django ModelForm: What is save(commit=False) used for?
...want to use one of the specialized model saving options.
commit is True by default.
It seems that save( commit=False ) does create a model instance, which it returns to you. Which is neat for some post processing before actually saving it!
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How do I use WebStorm for Chrome Extension Development?
...ity stubs is selected
Select chrome from the list (you can find it quickly by just typing chrome)
Click Download and Install
Click OK to close the Settings dialog.
Steps 2-6 illustrated below:
In Subsequent Projects
In any subsequent project, you just:
Open the Settings dialog again (Fil...
Detecting when user has dismissed the soft keyboard
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I've been looking on several solution, this is by far the best!
– Friesgaard
Mar 20 '14 at 22:01
11
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C++ performance challenge: integer to std::string conversion
...h as 300 clockticks when linking as a DLL.
For the same reason, returning by reference is better because it avoids an assignment, a constructor and a destructor.
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How to access command line parameters?
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You can access the command line arguments by using the std::env::args or std::env::args_os functions. Both functions return an iterator over the arguments. The former iterates over Strings (that are easy to work with) but panics if one of the arguments is not valid u...
What is tail call optimization?
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It should be noted that support for TCO by the browsers is not guaranteed, and may never be supported. stackoverflow.com/a/42788286/2415524
– mbomb007
Nov 16 '17 at 17:52
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List of remotes for a Git repository?
... -v for "verbose" is actually the more common option. It's also supported by git branch. The basic difference is short vs long options (single vs double dash, essentially) That said, supporting --list with the remote subcommand would make sense. If you really want it, I'd say submit a feature re...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...tomatically (if pip was installed with conda).
You can see how this works by using the export tool used for migrating an environment:
conda env export -n <env-name> > environment.yml
The file will list both conda packages and pip packages:
name: stats
channels:
- javascript
dependenc...
Spring Boot Remove Whitelabel Error Page
...rAttributes.getErrorAttributes(requestAttributes, includeStackTrace); } By : private Map<String, Object> getErrorAttributes(HttpServletRequest request, boolean includeStackTrace) { WebRequest webRequest = new ServletWebRequest(request); return this.errorAttributes.getErrorAttributes(...
Recursive sub folder search and return files in a list python
...atest downvote, it occurred to me that glob is a better tool for selecting by extension.
import os
from glob import glob
result = [y for x in os.walk(PATH) for y in glob(os.path.join(x[0], '*.txt'))]
Also a generator version
from itertools import chain
result = (chain.from_iterable(glob(os.path....