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SQL: deleting tables with prefix

... You cannot do it with just a single MySQL command, however you can use MySQL to construct the statement for you: In the MySQL shell or through PHPMyAdmin, use the following query SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , '...
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Convert all first letter to upper case, rest lower for each word

...OW"; s = System.Threading.Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(s.ToLower()); share | improve this answer | follow | ...
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Reset C int array to zero : the fastest way?

Assuming that we have a T myarray[100] with T = int, unsigned int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset? ...
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MySQL: What's the difference between float and double?

...m floating point numbers and decimal (numeric) numbers, which you can use with the DECIMAL data type. This is used to store exact numeric data values, unlike floating point numbers, where it is important to preserve exact precision, for example with monetary data. ...
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How can I troubleshoot my Perl CGI script?

...is answer is intended as a general framework for working through problems with Perl CGI scripts and originally appeared on Perlmonks as Troubleshooting Perl CGI Scripts. It is not a complete guide to every problem that you may encounter, nor a tutorial on bug squashing. It is just the culmination ...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

...er here: http://www.adam-bien.com/roller/abien/entry/java_se_development_kit_7 You should use JAVA_HOME=$(/usr/libexec/java_home) instead on a Mac and then set the current jdk via "Java Preferences.app". Set JAVA_HOME in ~/.profile ...
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uint8_t vs unsigned char

... It documents your intent - you will be storing small numbers, rather than a character. Also it looks nicer if you're using other typedefs such as uint16_t or int32_t. ...
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No Swipe Back when hiding Navigation Bar in UINavigationController

I love the swipe pack thats inherited from embedding your views in a UINavigationController . Unfortunately i cannot seem to find a way to hide the NavigationBar but still have the touch pan swipe back gesture . I can write custom gestures but I prefer not to and to rely on the UINavigationCo...
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What is the best way to compute trending topics or tags?

Many sites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions. ...
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How can I detect if the user is on localhost in PHP?

...ds, how can I tell if the person using my web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons. ...