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OPTION (RECOMPILE) is Always Faster; Why?
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There are times that using OPTION(RECOMPILE) makes sense. In my experience the only time this i...
Measuring execution time of a function in C++
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It is a very easy-to-use method in C++11. You have to use std::chrono::high_resolution_clock fro...
quick random row selection in Postgres
...or(random()*N) LIMIT 1;
Consider a table of 2 rows; random()*N generates 0 <= x < 2 and for example SELECT myid FROM mytable OFFSET 1.7 LIMIT 1; returns 0 rows because of implicit rounding to nearest int.
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How do I remove all specific characters at the end of a string in PHP?
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edited May 30 '15 at 5:17
Mike Kormendy
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How do I change the hover over color for a hover over table in Bootstrap?
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Where does Vagrant download its .box files to?
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As mentioned in the docs, boxes are stored at:
Mac OS X and Linux: ~/.vagrant.d/boxes
Window...
How might I find the largest number contained in a JavaScript array?
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edited May 22 '19 at 21:07
Andy
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Delete specified file from document directory
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What is the maximum length of a URL in different browsers?
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Short answer - de facto limit of 2000 characters
If you keep URLs under 2000 characters, they'...
Use IntelliJ to generate class diagram
How do I get IntelliJ 10.5 (on the Mac) to generate a class diagram showing all of the classes in my project? I'm sure I'm overlooking something obvious, but I can only get the "Show Diagram" feature to show one class at a time. (I also figured out how to add additional classes, but again, only on...