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What does the question mark in Java generics' type parameter mean?
... a very strong understanding of what this style of code is supposed to indicate.
6 Answers
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Remote debugging a Java application
I have a java application running on linux machine. I run the java application using the following:
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How to iterate over array of objects in Handlebars?
This might seem a silly question but I can't seem to find the answer anywhere.
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Android: Background Image Size (in Pixel) which Support All Devices
I am creating an Application which will run on all Android Devices. I want to create xhdpi Graphics for My App. My App is full screen. I am confused in Creating graphics. can any one tell me the best sizes of my background image in pixels.
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How do you get the magnitude of a vector in Numpy?
...ll).
import numpy as np
x = np.array([1,2,3,4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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Regex Named Groups in Java
...ort for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does?
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How do I get the entity that represents the current user in Symfony2?
... Approach
In symfony 4 (probably 3.3 also, but only real-tested in 4) you can inject the Security service via auto-wiring in the controller like this:
<?php
use Symfony\Component\Security\Core\Security;
class SomeClass
{
/**
* @var Security
*/
private $security;
public ...
Mocking Extension Methods with Moq
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You can't "directly" mock static method (hence extension method) with mocking framework. You can try Moles (http://research.microsoft.com/en-us/projects/pex/downloads.aspx), a free tool from Microsoft that implements a different ...
How to declare a global variable in JavaScript?
How can I declare a global variable in JavaScript?
6 Answers
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Best way to define private methods for a class in Objective-C
...n Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementations must go in the same @implementation MyClass as the public ...