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Calculate distance between 2 GPS coordinates
How do I calculate distance between two GPS coordinates (using latitude and longitude)?
29 Answers
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jQuery returning “parsererror” for ajax request
Been getting a "parsererror" from jquery for an Ajax request, I have tried changing the POST to a GET, returning the data in a few different ways (creating classes, etc.) but I cant seem to figure out what the problem is.
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What's the difference between belongs_to and has_one?
What is the difference between a belongs_to and a has_one ?
5 Answers
5
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
I have created tables in MySQL Workbench as shown below :
21 Answers
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How to get a DOM Element from a JQuery Selector
I'm having an impossibly hard time finding out to get the actual DOMElement from a jquery selector. Sample Code:
4 Answers...
Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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Runtime vs. Compile time
What is the difference between run-time and compile-time?
28 Answers
28
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Simpler way to create dictionary of separate variables?
I would like to be able to get the name of a variable as a string but I don't know if Python has that much introspection capabilities. Something like:
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...
How do I specify unique constraint for multiple columns in MySQL?
I have a table:
14 Answers
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