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Difference between \b and \B in regex
...d a non-word character (anything matched by [^\w] or \W) as well as at the start and/or end of the string if the first and/or last characters in the string are word characters.
Example: .\b matches c in abc
\B is a zero-width non-word boundary. Specifically:
Matches at the position between tw...
How to check that an object is empty in PHP?
...erties at all
}
If SimpleXMLElement is more than one level deep, you can start by converting it to a pure array:
$obj = simplexml_load_file($url);
// `json_decode(json_encode($obj), TRUE)` can be slow because
// you're converting to and from a JSON string.
// I don't know another simple way to do...
How to swap two variables in JavaScript
...cal values. It also converts non-numeric values to 32-bit integers. If you start with a = "hi" and b = "there", you end up with a == 0 and b == 0.
– Ted Hopp
Jan 16 '15 at 17:25
1
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How can I find the last element in a List?
...t value (or default constructed valye if the list is empty). This function starts at the end of the list so will be Big O(1) or constant time, despite the method normally being O(n).
//somewhere in your codebase, a strange delegate is defined
private static bool alwaysTrue(string in)
{
return t...
Java time-based map/cache with expiring keys [closed]
... initialize();
}
void initialize() {
new CleanerThread().start();
}
@Override
public V put(K key, V value) {
Date date = new Date();
timeMap.put(key, date.getTime());
System.out.println("Inserting : " + sdf.format(date) + " : " + key + " : " + v...
Check with jquery if div has overflowing elements
...ifferent cases that could cause it. Just a quick example of where to maybe start. Op's specific case will probably define what needs to be checked for
– Doozer Blake
Oct 5 '11 at 23:25
...
How can I unit test a GUI?
...
I've started using UISpec4J for a month or so for doing requirements validation testing on Java Swing GUI's. I've been liking it a lot so far.
– Bassam
Jun 16 '09 at 20:44
...
How do I assert my exception message with JUnit Test annotation?
...omething that should throw the exception...
System.out.println("=======Starting Exception process=======");
throw new NullPointerException("Employee ID is null");
}
Note that the example in the ExpectedException docs is (currently) wrong - there's no public constructor, so you have to use ...
How to increase font size in a plot in R?
...ecify font sizes, you had better be prepared to dig into the documentation starting with ?Devices, ?pdfFonts, ?pdf, ?embedFonts, and many others.
– IRTFM
Nov 22 '10 at 5:24
...
Limit File Search Scope in Sublime Text 2
...ules/*
http://www.sublimetext.com/forum/viewtopic.php?f=2&t=3847&start=10
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