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Using usort in php with a class private function
...page http://www.php.net/usort
see that the type for $value_compare_func is callable
click on the linked keyword to reach http://php.net/manual/en/language.types.callable.php
see that the syntax is array($this, 'merchantSort')
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How to set a value to a file input in HTML?
...ag/drop event on other elements. See How to set file input value programatically (i.e.: when drag-dropping files)?
– Samuel Liew♦
Nov 29 '17 at 22:01
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Difference between applicationContext.xml and spring-servlet.xml in Spring Framework
... associated with the webapp.
The spring-servlet.xml (or whatever else you call it) defines the beans for one servlet's app context. There can be many of these in a webapp, one per Spring servlet (e.g. spring1-servlet.xml for servlet spring1, spring2-servlet.xml for servlet spring2).
Beans in spri...
Difference between setUp() and setUpBeforeClass()
...n.
So let's assume you had three tests in your class, the order of method calls would be:
setUpBeforeClass()
(Test class first instance constructed and the following methods called on it)
setUp()
test1()
tearDown()
(Test class second instance constructed and the following methods...
How to make an app's background image repeat
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This is what you call explained by a pro
– Muneeb Mirza
Jul 12 '16 at 8:02
add a comment
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Add new value to an existing array in JavaScript [duplicate]
...object behave like an array:
var obj = new Object();
Array.prototype.push.call(obj, 'value');
will create an object that looks like:
{
0: 'value',
length: 1
}
You can access the vaules just like a normal array f.ex obj[0].
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Rails check if yield :area is defined in content_for
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I'm not sure of the performance implications of calling yield twice, but this will do regardless of the internal implementation of yield (@content_for_xyz is deprecated) and without any extra code or helper methods:
<% if yield :sidebar %>
<div id="sidebar">...
How do I check if a file exists in Java?
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Files.exists() takes two arguments. Typically, you'll want something like Files.exists(path, LinkOption.NOFOLLOW_LINKS ).
– Mike C
May 25 '17 at 18:28
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Assigning out/ref parameters in Moq
...terface IGobbler
{
bool Gobble(ref int amount);
}
delegate void GobbleCallback(ref int amount); // needed for Callback
delegate bool GobbleReturns(ref int amount); // needed for Returns
var mock = new Mock<IGobbler>();
mock.Setup(m => m.Gobble(ref It.Ref<int>.IsAny)) /...
How to concatenate two IEnumerable into a new IEnumerable?
...t the names of actions you want to perform are likely close if not exactly called what you are after. Always browse IntelliSense, you learn a lot.
– Adam Houldsworth
Jan 31 '14 at 11:02
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