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Why can't I define a static method in a Java interface?
...proposal to add them in Java 7, but it was later dropped due to unforeseen complications.
Finally, Java 8 introduced static interface methods, as well as override-able instance methods with a default implementation. They still can't have instance fields though. These features are part of the lambda...
What does yield mean in PHP?
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What is a generator function?
A generator function is effectively a more compact and efficient way to write an Iterator. It allows you to define a function (your xrange) that will calculate and return values while you are looping over it:
foreach (xrange(1, 10) as $key => $value) {
echo "$...
Python class inherits object
... for a class declaration to inherit from object?
In Python 3, apart from compatibility between Python 2 and 3, no reason. In Python 2, many reasons.
Python 2.x story:
In Python 2.x (from 2.2 onwards) there's two styles of classes depending on the presence or absence of object as a base-class:...
Calculating sum of repeated elements in AngularJS ng-repeat
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@Pascamel Check my answer(stackoverflow.com/questions/22731145/…) i think that that one working for what you asking about with filter
– Rajamohan Anguchamy
Sep 17 '14 at 11:54
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Should everything really be a bundle in Symfony 2.x?
...e Controller namespace:
<?php
namespace Vendor\Controller;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
use JMS\DiExt...
Java: when to use static methods
...e purpose of a car object is to allow instantiation of cars, not provide a comparison between them. Those should be external to the class.
– Zack Jannsen
Aug 13 '12 at 11:04
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How to unescape HTML character entities in Java?
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I have used the Apache Commons StringEscapeUtils.unescapeHtml4() for this:
Unescapes a string containing entity
escapes to a string containing the
actual Unicode characters
corresponding to the escapes. Supports
HTML 4.0 entities.
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The SQL OVER() clause - when and why is it useful?
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What is the difference between NULL, '\0' and 0?
...he value 0, it is just described in different ways.
If a pointer is being compared to the constant literal 0, then this is a check to see if the pointer is a null pointer. This 0 is then referred to as a null pointer constant. The C standard defines that 0 cast to the type void * is both a null poi...
Parse string to DateTime in C#
...exact can be useful. Sometimes, I would prefer my application crash and my computer light on fire, as opposed to producing incorrect output. Depends on the application.
– Allen
Jul 31 '15 at 18:03
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