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Ruby class instance variable vs. class variable
I read " When do Ruby instance variables get set? " but I'm of two minds when to use class instance variables.
7 Answers
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JPA EntityManager: Why use persist() over merge()?
EntityManager.merge() can insert new objects and update existing ones.
15 Answers
15
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What is @RenderSection in asp.net MVC
What is the purpose of @RenderSection and how does it function? I understand what bundles do, but I have yet to figure out what this does and it's probably important.
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Algorithm to detect intersection of two rectangles?
I'm looking for an algorithm to detect if two rectangles intersect (one at an arbitrary angle, the other with only vertical/horizontal lines).
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Random float number generation
How do I generate random floats in C++?
14 Answers
14
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Fastest Way to Find Distance Between Two Lat/Long Points
I currently have just under a million locations in a mysql database all with longitude and latitude information.
15 Answers...
Get the full URL in PHP
I use this code to get the full URL:
28 Answers
28
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How to escape a JSON string to have it in a URL?
Using Javascript, I want to generate a link to a page. The parameters to the page are in a Javascript array that I serialize in JSON.
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VS2012 return to a normal TFS checkin window?
VS2012 seems to remove the popup window for TFS check-ins that was in VS2010. It now seems to take over the team explorer tab in my sidebar, and buries the important things - like which files I've changed. Is there any way to return to a normal popup window for check-ins in VS2012?
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Converting NSString to NSDate (and back again)
How would I convert an NSString like " 01/02/10 " (meaning 1st February 2010) into an NSDate ? And how could I turn the NSDate back into a string?
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