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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...
Multiline bash commands in makefile
...e a very comfortable way to compile my project via a few lines of bash commands. But now I need to compile it via makefile. Considering, that every command is run in its own shell, my question is what is the best way to run multi-line bash command, depended on each other, in makefile?
For example,...
Putting license in each code file? [closed]
...
It's reasonable and sensible to identify which license each source file was released under, because the file might be separated from the rest of the code (reuse - encouraged, in general, by Open Source), and if the file contains no informati...
How/when to use ng-click to call a route?
...
Routes monitor the $location service and respond to changes in URL (typically through the hash). To "activate" a route, you simply change the URL. The easiest way to do that is with anchor tags.
<a href="#/home">Go Home</a>
<a href="#/about">G...
zsh compinit: insecure directories
What does it mean and how can I fix it?
22 Answers
22
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How to grab substring before a specified character jQuery or JavaScript
...fore the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
11 Answers
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How to sort an array of integers correctly
Trying to get the highest and lowest value from an array that I know will contain only integers seems to be harder than I thought.
...
How can I add a help method to a shell script?
..."$0") [-h] [-s n] -- program to calculate the answer to life, the universe and everything
where:
-h show this help text
-s set the seed value (default: 42)"
seed=42
while getopts ':hs:' option; do
case "$option" in
h) echo "$usage"
exit
;;
s) seed=$OPTARG
;...
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 ...
Diff Algorithm? [closed]
... been looking like crazy for an explanation of a diff algorithm that works and is efficient.
5 Answers
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