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Which is more efficient, a for-each loop, or an iterator?
...te a new Iterator when .iterator() is called, however they can be accessed allocation-free using the C-style loop. This can be important in certain high-performance environments where one is trying to avoid (a) hitting the allocator or (b) garbage collections.
– Dan
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Replacing Spaces with Underscores
I have a PHP Script that users will enter a name like: Alex_Newton ,
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php implode (101) with quotes
Imploding a simple array
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Detect application heap size in Android
...since 1.0, though.
The Debug class has lots of great methods for tracking allocations and other performance concerns. Also, if you need to detect a low-memory situation, check out Activity.onLowMemory().
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
I did a lot of searching and also read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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htaccess Access-Control-Allow-Origin
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from my experience;
if it doesn't work from within php do this in .htaccess it worked for me
<IfModule mod_headers.c>
Header set Access-Control-Allow-Origin http://www.vknyvz.com
Header set Access-Control-Allow-Credentials true
</IfModule>
credential...
Include constant in string without concatenating
Is there a way in PHP to include a constant in a string without concatenating?
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What is Java String interning?
...n' appears 1000 times, by interning you ensure only one 'john' is actually allocated memory.
This can be useful to reduce memory requirements of your program. But be aware that the cache is maintained by JVM in permanent memory pool which is usually limited in size compared to heap so you should no...
Google Authenticator available as a public service?
...o not know if there is a specific implementation for your server software (PHP, Java, .NET, etc.)
But, specifically, you don't need an offsite service to handle this.
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How to get xdebug var_dump to show full object/array
I am using xdebug (php_xdebug-2.1.2-5.3-vc9.dll) on WAMP . When I use var_dump on a large object or variable it does not show the full variable.
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