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NOT IN vs NOT EXISTS

...be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway. When neither Products...
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What is the current directory in a batch file?

...) gives the full path to the batch file. See robvanderwoude.com/parameters.php for more details. – deadlydog Jul 11 '13 at 20:08 6 ...
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(Built-in) way in JavaScript to check if a string is a valid number

... A very important note about parseInt is that it will allow you to specify a radix for converting the string to an int. This is a big gotcha as it tries to guess a radix for you if you don't supply it. So, for example: parseInt("17") results in 17 (decimal, 10), but parseInt("...
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How do I tokenize a string in C++?

... C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though nobody argues that this would be convenient. But wha...
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In Vim, how do I apply a macro to a set of lines?

...at performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this? ...
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How do I remove the space between inline/inline-block elements?

...ttp://jsfiddle.net/thirtydot/dGHFV/1361/ This works in recent versions of all modern browsers. It works in IE8. It does not work in Safari 5, but it does work in Safari 6. Safari 5 is nearly a dead browser (0.33%, August 2015). Most of the possible issues with relative font sizes are not complicat...
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Copy/duplicate database without using mysqldump

...e uses a "SHOW CREATE TABLE" statement which generates a CREATE TABLE with all properties of the original. – Danita May 6 '11 at 15:34 1 ...
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jquery find closest previous sibling with class

... Try: $('li.current_sub').prevAll("li.par_cat:first"); Tested it with your markup: $('li.current_sub').prevAll("li.par_cat:first").text("woohoo"); will fill up the closest previous li.par_cat with "woohoo". ...
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How to remove “onclick” with JQuery?

PHP code: 8 Answers 8 ...
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OS X Terminal Colors [closed]

...;31m\]\u\[\e[0m\]@\[\e[0;32m\]\h\[\e[0m\]:\[\e[0;34m\]\w\[\e[0m\]\$ ' For all my SSH accounts online I make sure to put the hostname in red, to distinguish if I'm in a local or remote terminal. Just edit the .bash_profile file in your home dir on the server.. If there is no .bash_profile file on ...