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How can I test an AngularJS service from the console?
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TLDR: In one line the command you are looking for:
angular.element(document.body).injector().get('serviceName')
Deep dive
AngularJS uses Dependency Injection (DI) to inject services/factories into your components,directives and other services. S...
Best implementation for hashCode method for a collection
...ins there why the approach is good.
A short version
Create a int result and assign a non-zero value.
For every field f tested in the equals() method, calculate a hash code c by:
If the field f is a boolean:
calculate (f ? 0 : 1);
If the field f is a byte, char, short or int: calculate (int)f;
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...tation of JSR 303, however, it intelligently picks up on these constraints and translates them into database constraints for you, so you get two for the price of one. @Column(nullable = false) is the JPA way of declaring a column to be not-null. I.e. the former is intended for validation and the lat...
How to check if activity is in foreground or in visible background?
...k that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
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Discard all and get clean copy of latest revision?
I'm moving a build process to use mercurial and want to get the working directory back to the state of the tip revision. Earlier runs of the build process will have modified some files and added some files that I don't want to commit, so I have local changes and files that aren't added to the reposi...
How to get started with Windows 7 gadgets
...to make one. But where do I start? I have tried to search around on google and msdn, but I haven't managed to find anything useful. Either very, very old stuff (Vista beta stuff), already made gadgets or differences between gadgets in Vista and Seven. But that doesn't help me, since I don't have a c...
How do I initialize an empty array in C#?
...lt;string> instead - it will allow you to add as many items as you need and if you need to return an array, call ToArray() on the variable.
var listOfStrings = new List<string>();
// do stuff...
string[] arrayOfStrings = listOfStrings.ToArray();
If you must create an empty array you ca...
What are queues in jQuery?
...d the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
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UTF-8 all the way through
I'm setting up a new server and want to support UTF-8 fully in my web application. I have tried this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1.
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Proper way to exit iPhone application?
I am programming an iPhone app, and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the application?
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