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Export and Import all MySQL databases at one time
...re than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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When to use virtual destructors?
I have a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors.
17 Answe...
Set a default parameter value for a JavaScript function
...ments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
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How do I find the time difference between two datetime objects in python?
...nly holds the difference.
In the example above it is 0 minutes, 8 seconds and 562000 microseconds.
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How to do a regular expression replace in MySQL?
... expression specified by the pattern pat with the replacement string repl, and returns the resulting string. If expr, pat, or repl is NULL, the return value is NULL.
and Regular expression support:
Previously, MySQL used the Henry Spencer regular expression library to support regular expression op...
What's better at freeing memory with PHP: unset() or $var = null
...is garbage-collected.) (bug 33595)
The question "difference between unset and = null" details some differences:
unset($a) also removes $a from the symbol table; for example:
$a = str_repeat('hello world ', 100);
unset($a);
var_dump($a);
Outputs:
Notice: Undefined variable: a in xxx
NULL
But ...
Android equivalent to NSNotificationCenter
In the process of porting an iPhone application over to android, I am looking for the best way to communicate within the app. Intents seem to be the way to go, is this the best (only) option? NSUserDefaults seems much lighter weight than Intents do in both performance and coding.
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PHP multidimensional array search by value
I have an array where I want to search the uid and get the key of the array.
23 Answers
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Drop all tables whose names begin with a certain string
...his script several times because of foreign key constraints between master and detail tables.
– Alexander Prokofyev
Dec 26 '08 at 5:24
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CSS to stop text wrapping under image
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Since this question is gaining lots of views and this was the accepted answer, I felt the need to add the following disclaimer:
This answer was specific to the OP's question (Which had the width set in the examples). While it works, it requires you to have a width ...