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Disable migrations when running unit tests in Django 1.7
...igrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
settings module and adds this line:
MIGRATION_MODULES = {"my...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
...
IMHO it makes no difference from where you call this. It is always the entire app hit and each view is kept on screen, not dimmed.
– decades
Nov 19 '18 at 21:39
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Event system in Python
...12
py-notify 0.3.1: 2008
There's more
That's a lot of libraries to choose from, using very different terminology (events, signals, handlers, method dispatch, hooks, ...).
I'm trying to keep an overview of the above packages, plus the techniques mentioned in the answers here.
First, some terminology...
What's the algorithm to calculate aspect ratio?
...ich shows one way to detect the screen size and calculate the aspect ratio from that. This works in FF3, I'm unsure what support other browsers have for screen.width and screen.height.
<html><body>
<script type="text/javascript">
function gcd (a, b) {
retur...
Why should I use the keyword “final” on a method parameter in Java?
... Use the keyword final when you want the compiler to prevent a
variable from being re-assigned to a different object.
Whether the variable is a static variable, member variable, local variable, or argument/parameter variable, the effect is entirely the same.
Example
Let’s see the effect in ...
Generate UML Class Diagram from Java Project [closed]
... of how my classes are related to each other? It doesn't need to decompile from JAR file because I have the sources. I know there are quite a few out there but most of those can only generate individual class. I hope there is a tool that can generate class diagram that shows an overview of how all m...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...rchy. These properties could have been set through IBOutlets when loading from a nib, or programmatically inside -loadView, for instance.
The additional ownership of subviews by the UIViewController means that even when its view is removed from the view hierarchy and released to save memory, throu...
Multiple commands in gdb separated by some sort of delimiter ';'?
...
If you are running gdb from command line you can pass multiple commands with the -ex parameter like:
$ gdb ./prog -ex 'b srcfile.c:90' -ex 'b somefunc' -ex 'r -p arg1 -q arg2'
This coupled with display and other commands makes running gdb less c...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
...e)" refs/original/ | xargs -n 1 git update-ref -d
(That's taken directly from the filter-branch manpage.)
This doesn't apply to you, but to others who may find this: If you do a filter-branch which removes content taking up significant disk space, you might also want to run git reflog expire --ex...
Finding the mode of a list
...unter supplied in the collections package which has a mode-esque function
from collections import Counter
data = Counter(your_list_in_here)
data.most_common() # Returns all unique items and their counts
data.most_common(1) # Returns the highest occurring item
Note: Counter is new in python 2.7...