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How do I check if a string contains a specific word?
...ng you can use the PHP function strpos().
int strpos ( string $haystack , mixed $needle [, int $offset = 0 ] )
<?php
$haystack = 'how are you';
$needle = 'are';
if (strpos($haystack,$needle) !== false) {
echo "$haystack contains $needle";
}
?>
CAUTION:
If the needle you are searchi...
What's the difference between ASCII and Unicode?
...he endian-ness of the machine that created the text stream. So add to the mix UTF-16BE, UTF-16LE, UTF-32BE and UTF-32LE.
Having these different encoding choices brings back the code page disaster to some degree, along with heated debates among programmers which UTF choice is "best". Their associa...
What's the difference between libev and libevent?
...us I/O, which can be used independently or together with libev, so you can mix and match).
So in short, libev tries to do one thing only (POSIX event library), and this in the most efficient way possible. Libevent tries to give you the full solution (event lib, non-blocking I/O library, http server...
How to use single storyboard uiviewcontroller for multiple subclass
...ss name requested is indeed a subclass of TestViewController, to avoid any mix-ups. The reference above to BlueTestViewController is there to test this functionality.
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How to load JAR files dynamically at Runtime?
...when running in my IDE, but when I build my JAR I get a ClassNotFoundException when calling Class.forName().
– darrickc
Jul 29 '09 at 16:50
29
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String's Maximum length in Java - calling length() method
...thod would be Integer.MAX_VALUE, which is 2^31 - 1 (or approximately 2 billion.)
In terms of lengths and indexing of arrays, (such as char[], which is probably the way the internal data representation is implemented for Strings), Chapter 10: Arrays of The Java Language Specification, Java SE 7 Edit...
How does Java Garbage Collection work with Circular References?
...örg W Mittag:At least by default I believe Jikes RVM currently uses the Immix collector, which is a region-based tracing collector (though it does also use reference counting). I'm not sure whether you're referring to that reference counting, or another collector that uses reference counting withou...
How do I install a module globally using npm?
... new -g flag, for example:
npm install forever -g
The general recommendations concerning npm module installation since 1.0rc (taken from blog.nodejs.org):
If you’re installing something that you want to use in your program, using
require('whatever'), then install it
locally, at the ro...
Array or List in Java. Which is faster?
... of generic types. (They do however support runtime typechecking, but that mixes badly with generic types.)
But, as always, when optimizing you should always follow these steps:
Don't optimize until you have a nice, clean, and working version of your code. Changing to generic types could very wel...
When to wrap quotes around a shell variable?
...ther useful concept, which I like to call "seesaw quoting". If you need to mix single and double quotes, you can use them adjacent to each other. For example, the following quoted strings
'$HOME '
"isn't"
' where `<3'
"' is."
can be pasted together back to back, forming a single long string af...