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How to set a Django model field's default value to a function call / callable (e.g., a date relative
...e class.
PRE Django 1.7
Django lets you pass a callable as the default, and it will invoke it each time, just as you want:
from datetime import datetime, timedelta
class MyModel(models.Model):
# default to 1 day from now
my_date = models.DateTimeField(default=lambda: datetime.now() + timedel...
How can I build multiple submit buttons django form?
I have form with one input for email and two submit buttons to subscribe and unsubscribe from newsletter:
5 Answers
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UIBarButtonItem with custom image and no border
...ustom category: I have to create the header file with those declarations, and the implementation file, where I put the code you're refering ? thanks
– mongeta
Apr 21 '10 at 8:59
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What is the difference between aggregation, composition and dependency? [duplicate]
What is the difference between aggregation, composition and dependency?
7 Answers
7
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Using git to get just the latest revision
...o track a project that uses git. I don't want to clone the full repository and the full history, I just want the latest revision, and I want to be able to update to new revisions from the remote project.
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Why does npm install say I have unmet dependencies?
...a dependency for others modules) at the bottom.
Re-run the npm install command.
The problem could be caused by npm's failure to download all the package due to timed-out or something else.
Note: You can also install the failed packages manually as well using npm install findup-sync@0.1.2.
Bef...
Write applications in C or C++ for Android? [closed]
I'm trying to develop/port a game to Android, but it's in C, and Android supports Java, but I'm sure there must be a way to get a C app on there, anyone knows of a way to accomplish this?
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How to replace a string in multiple files in linux command line
....bak 's/foo/bar/g' *.xx moves all .xx files to the equivalent .xx.bak name and then generates the .xx files with the foo→bar substitution.
– Anaphory
Oct 4 '14 at 22:35
26
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What is a clearfix?
Recently I was looking through some website's code, and saw that every <div> had a class clearfix .
9 Answers
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How do I add files without dots in them (all extension-less files) to the gitignore file?
...ed that same rule in similar cases like:
Gitignore all except one folder and all its content - regardless of the nesting level
Git except a sub directory and it's files of a ignored directory
Gitignore exclude certain files in all subdirectories
As Jakub Narębski comments, you might not want ...