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Django ModelForm: What is save(commit=False) used for?
...e:
class UserForm(forms.ModelForm):
...
def save(self):
# Sets username to email before saving
user = super(UserForm, self).save(commit=False)
user.username = user.email
user.save()
return user
If you didn't use commit=False to set the username to t...
How do I find the most recent git commit that modified a file?
...If you want to just get the hash of the latest commit to modify a specific set of files (and want to avoid awk) you can use:
git log -n 1 --pretty=format:%h -- <path>
This can be useful for getting the commit hash for subsequently using with git describe.
For example (in case it's useful...
Browsing Folders in MSYS
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~x + ~y == ~(x + y) is always false?
Does this code always evaluate to false? Both variables are two's complement signed ints.
11 Answers
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Copy folder structure (without files) from one location to another
I want to create a clone of the structure of our multi-terabyte file server. I know that cp --parents can move a file and it's parent structure, but is there any way to copy the directory structure intact?
...
Find size of object instance in bytes in c#
...izes are the same on 64-bit - you might have to adjust the types and/or offsets if they are not.
This will work for all "normal" types, for which all instances have the same, well-defined types. Those for which this isn't true are arrays and strings for sure, and I believe also StringBuilder. For t...
What is the minimum I have to do to create an RPM file?
...ss on binary-only
# packages. Don't strip binary too
# Be sure buildpolicy set to do nothing
%define __spec_install_post %{nil}
%define debug_package %{nil}
%define __os_install_post %{_dbpath}/brp-compress
Summary: A very simple toy bin rpm package
Name: toybinprog
Version: ...
How does internationalization work in JavaScript?
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Set operations (union, intersection) on Swift array?
Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)?
...
Git push rejected after feature branch rebase
...
And what --force option does is just ignoring state of remote branch and setting it to the commit you're pushing into it. So git push --force origin feature-branch simply overrides origin/feature-branch with local feature-branch.
In my opinion, rebasing feature branches on master and force-pushin...