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django change default runserver port
... member. Save the file as a management command of your own, e.g. under <app-name>/management/commands/runserver.py:
from django.conf import settings
from django.core.management.commands import runserver
class Command(runserver.Command):
default_port = settings.RUNSERVER_PORT
I'm loadin...
Heroku Postgres - terminate hung query (idle in transaction)
..."friendly" request to cancel the 1234-query, and with some luck it will disappear after a while. Eventually, this is more efficient:
select pg_terminate_backend(1234);
If you have shell access and root or postgres permissions you can also do it from the shell. To "cancel" one can do:
kill -INT...
What Are the Differences Between PSR-0 and PSR-4?
...s something like 'relative path', PSR-0, 'absolute path'.
e.g.
config:
'App\Controller' => 'dir/'
PSR-0 autoload:
App\Controller\IndexController --> dir/App/Controller/IndexController.php
PSR-4 autoload:
App\Controller\IndexController --> dir/IndexController.php
And there are som...
How to use NSCache
... of methods
// that use it. For example, you could make it a field of your application
// delegate, or of your view controller, or something like that. Up to you.
NSCache *myCache = ...;
NSAssert(myCache != nil, @"cache object is missing");
// Try to get the existing object out of the cache, if it'...
How to use a keypress event in AngularJS?
...
You need to add a directive, like this:
Javascript:
app.directive('myEnter', function () {
return function (scope, element, attrs) {
element.bind("keydown keypress", function (event) {
if(event.which === 13) {
scope.$apply(function (){
...
How do I set a ViewModel on a window in XAML using DataContext property?
...arating them is useful for when you want to write isolated test cases.
In App.xaml:
<Application
x:Class="BuildAssistantUI.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:Bui...
Android - Camera preview is sideways
...
This issue appeared to start out as a bug with certain hardware see here but can be overcome by using the call to mCamera.setDisplayOrientation(degrees) available in API 8. So this is how I implement it:
public void surfaceChanged(Surf...
What is the difference between compile and link function in angularjs
...e., manipulation of tElement = template element), hence manipulations that apply to all DOM clones of the template associated with the directive.
link function - use for registering DOM listeners (i.e., $watch expressions on the instance scope) as well as instance DOM manipulation (i.e., manipulatio...
How do I inspect the view hierarchy in iOS?
Is there a GUI tool that inspects the view hierarchy of an iOS app? I'm thinking about Webkit's web inspector or similar tools. I'm looking to debug layout issues, like views having the wrong position or size, or a child not being properly contained in its parent. Currently I have to add asserts tha...
Install an apk file from command prompt?
...d after compiling all the .jar files to create an .apk file for an Android application without using Eclipse.
14 Answers
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