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Can't use method return value in write context
...following piece of code should work, but it doesn't (Edited: Now works in PHP 5.5+) :
8 Answers
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How to append rows to an R data frame
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Not knowing what you are trying to do, I'll share one more suggestion: Preallocate vectors of the type you want for each column, insert values into those vectors, and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, def...
PHP Session Security
What are some guidelines for maintaining responsible session security with PHP? There's information all over the web and it's about time it all landed in one place!
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Generating a drop down list of timezones with PHP
...low are two lists that I found and then one method using the built in PHP DateTime class in PHP 5.
25 Answers
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Check whether an array is empty [duplicate]
... You don't need to count the elements or use empty(). A one-liner like php -r 'echo array() ? "T":"F";' will show the truthiness for an empty or non-empty array.
– jerseyboy
May 16 '14 at 13:08
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How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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Best practice multi language website
... of calling functions for every translation operation, which as we know in PHP is expensive, we define our base files with placeholders, then use a pre-processor to cache those files (we store the file modification time to make sure we're serving the latest content at all times).
The Translation Ta...
jQuery AJAX cross domain
Here are two pages, test.php and testserver.php.
14 Answers
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How to declare a global variable in php?
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If you try to define FOOTER_CONTENT a second time, php will throw a notice about it
– Dale
Nov 23 '12 at 14:06
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PHP: How to check if image file exists?
...ted. And then, it will only work when allow_url_fopen is activated in your PHP config
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