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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...
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SQL “select where not in subquery” returns no results

Disclaimer: I have figured out the problem (I think), but I wanted to add this issue to Stack Overflow since I couldn't (easily) find it anywhere. Also, someone might have a better answer than I do. ...
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NodeJS / Express: what is “app.use”?

In the docs for the NodeJS express module , the example code has app.use(...) . 23 Answers ...
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Deny all, allow only one IP through htaccess

I'm trying to deny all and allow only for a single IP. But, I would like to have the following htaccess working for that single IP. I'm not finding a way to have both working: the deny all and allow only one, plus the following options: ...
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How to wait for the 'end' of 'resize' event and only then perform an action?

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Unix's 'ls' sort by name

Can you sort an ls listing by name? 11 Answers 11 ...
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Xcode 4 - build output directory

I have problems with setting up/locating my output files in Xcode4 (beta 5). They are placed somewhere in ~/Library/Developer/ugly_path/... . I can't even select "show in finder" on my products. It is the same for a simple C project, Foundation tool and even Cocoa bundle. A Debugging works fine. ...
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How to replace a whole line with sed?

Suppose I have a file with lines 6 Answers 6 ...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

I wanted to track the performance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute. ...
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Are Java static initializers thread safe?

I'm using a static code block to initialize some controllers in a registry I have. My question is therefore, can I guarantee that this static code block will only absolutely be called once when the class is first loaded? I understand I cannot guarantee when this code block will be called, I'm guessi...