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Angularjs Template Default Value if Binding Null / Undefined (With Filter)
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I made the following filter:
angular.module('app').filter('ifEmpty', function() {
return function(input, defaultValue) {
if (angular.isUndefined(input) || input === null || input === '') {
return defaultValue;
}
return input;
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When is it acceptable to call GC.Collect?
... and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the UI controls can now be garbage collected, and a very short pause as the f...
Using Django time/date widgets in custom form
... own ModelForm subclass for your model (best to put it in forms.py in your app), and tell it to use the AdminDateWidget / AdminTimeWidget / AdminSplitDateTime (replace 'mydate' etc with the proper field names from your model):
from django import forms
from my_app.models import Product
from django.c...
Developing GUIs in Python: Tkinter vs PyQt [closed]
...he ones used by your operating system.
I tweaked my XP theme and now my apps skin accordingly. This creates a very professional look, not comparable with a toolkit like Swing. The API is extensive and goes beyond the pure GUI things like widgets. It has support for database connectivity, printing...
How to get the current URL within a Django template?
...it's nice to know that those middleware needs to be included to make this happen.
– Marshall X
Aug 26 '17 at 21:18
As ...
Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
... (such as forms designers, resource editors, etc), compiling and debugging applications. e.g Eclipse, Visual Studio.
A Library is a chunk of code that you can call from your own code, to help you do things more quickly/easily. For example, a Bitmap Processing library will provide facilities for loa...
How to get current route in Symfony 2?
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With Twig : {{ app.request.attributes.get('_route') }}
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What happened to “HelveticaNeue-Italic” on iOS 7.0.3
...ded my iPod touch to iOS 7.0.3 and "HelveticaNeue-Italic" seems to have disappeared. When I query on the phone with:
10 An...
How to get current foreground activity context in android?
....VERSION_CODES.LOLLIPOP, this method is no longer available to third party applications: the introduction of document-centric recents means it can leak person information to the caller. For backwards compatibility, it will still return a small subset of its data: at least the caller's own tasks, and...
How to load json into my angular.js ng-model?
...SON
[{ "text":"learn angular", "done":true },
{ "text":"build an angular app", "done":false},
{ "text":"something", "done":false },
{ "text":"another todo", "done":true }]
You can load it like this
var App = angular.module('App', []);
App.controller('TodoCtrl', function($scope, $http) {
$h...