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Are PHP Variables passed by value or by reference?
...
http://www.php.net/manual/en/migration5.oop.php
In PHP 5 there is a new Object Model. PHP's handling of objects has been completely rewritten, allowing for better performance and more features. In previous versions of PHP, objec...
What is a word boundary in regex?
...ions for.
Anyway, this is what I found out (summarized mostly from http://www.regular-expressions.info, which is a great site): In most flavors of regex, characters that are matched by the short-hand character class \w are the characters that are treated as word characters by word boundaries. Jav...
Is there a standard sign function (signum, sgn) in C/C++?
... template <class T>
inline int sign (const T& z);
http://www.boost.org/doc/libs/1_47_0/libs/math/doc/sf_and_dist/html/math_toolkit/utils/sign_functions.html
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Is MD5 still good enough to uniquely identify files?
... such files, or be just curious - they are easily downloadable from http://www2.mat.dtu.dk/people/S.Thomsen/wangmd5/samples.html , I myself during writing this answer downloaded two samples). Another thing is, that some applications might store such duplicates for whatever reason (I'm not sure, if t...
window.onload vs document.onload
...at by the following snippet:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!--import css here-->
<!--import js scripts here-->
<scr...
How to tell if a tag failed to load
... the synchronous
blocking behavior that is the default.
More on http://www.w3.org/TR/html5/scripting-1.html#script
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How do I create an array of strings in C?
...able online for free; the most recent draft is open-std.org/jtc1/sc22/wg14/www/docs/n1225.pdf)
– Pavel Minaev
Jul 7 '09 at 21:44
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When is the finalize() method called in Java?
...alize() is never run more than once on any object
quoted from: http://www.janeg.ca/scjp/gc/finalize.html
You could also check this article:
Object finalization and cleanup
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What does an exclamation mark mean in the Swift language?
...s its value
// prints "An implicitly unwrapped optional string."
Source: https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_399
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What's the difference between Unicode and UTF-8? [duplicate]
... can encode the
characters inside a file into Unicode.
Source:
http://www.differencebetween.net/technology/difference-between-unicode-and-utf-8/
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