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How to hide one item in an Android Spinner
...te a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one item in the spinner that doesn't generate a callback, namely the current one.
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What's the difference between the build and create methods in FactoryGirl?
...g FactoryGirl.build(:factory_name) does not persist to the db and does not call save!, so your Active Record validations will not run. This is much faster, but validations might be important.
Using FactoryGirl.create(:factory_name) will persist to the db and will call Active Record validations. Thi...
Non-Singleton Services in AngularJS
...ory);
}
then in your consumer instance you need the factory service and call the build method on the factory to get a new instance when you need it
class CollectionController {
public model: admin.factories.IModel;
static $inject = ['$log', '$routeParams', 'admin.services.Collection'...
How to disable the highlight control state of a UIButton?
...t to Custom.
In IB you can uncheck "Highlight adjusts image".
Programmatically you can use theButton.adjustsImageWhenHighlighted = NO;
Similar options are available for the "disabled" state as well.
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Can I make a function available in every controller in angular?
If I have a utility function foo that I want to be able to call from anywhere inside of my ng-app declaration. Is there someway I can make it globally accessible in my module setup or do I need to add it to the scope in every controller?
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accepting HTTPS connections with self-signed certificates
...xt, You need set our factory for the protocol to https. To do this, simply call the SchemeRegistry.register() method.
Then you need to create a DefaultHttpClient with SingleClientConnManager.
Also in the code below you can see that on default will also use our flag (ALLOW_ALL_HOSTNAME_VERIFIER) by ...
Creating instance of type without default constructor in C# using reflection
...FormatterServices.GetUninitializedObject() will create an instance without calling a constructor. I found this class by using Reflector and digging through some of the core .Net serialization classes.
I tested it using the sample code below and it looks like it works great:
using System;
using ...
chart.js load totally new data
...ing doesn't cause any flickering and looks like the data points were dynamically updated
– Titan
Feb 16 '17 at 15:28
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Why is Python 3.x's super() magic?
In Python 3.x, super() can be called without arguments:
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Is Chrome's JavaScript console lazy about evaluating arrays?
...s loaded), even when the console is open, whenever the page is refreshed. Calling console.log when the console is not yet active only results in a reference to the object being queued, not the output the console will contain. Therefore, the array (or any object), will not be evaluated until the co...