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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]

When storing latitude or longitude data in an ANSI SQL compliant database, what datatype would be most appropriate? Should float be used, or decimal , or ...? ...
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How to debug a Flask app

How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what's happening when something goes wrong? ...
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How do I pull from a Git repository through an HTTP proxy?

Note: while the use-case described is about using submodules within a project, the same applies to a normal git clone of a repository over HTTP. ...
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How to fix HTTP 404 on Github Pages?

Here is my GitHub repository on the gh-pages branch. Everything looks good, I have my index.html , my CSS, JS and pictures folders. ...
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What does T&& (double ampersand) mean in C++11?

I've been looking into some of the new features of C++11 and one I've noticed is the double ampersand in declaring variables, like T&& var . ...
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How to format a string as a telephone number in C#

I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable. ...
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How to split a large text file into smaller files with equal number of lines?

I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being ev...
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In what order are Panels the most efficient in terms of render time and performance?

There are many times when more than one panel would suitable for the layout I want, however I know there is a difference in render times for different panel types. ...
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Check if a class has a member function of a given signature

I'm asking for a template trick to detect if a class has a specific member function of a given signature. 16 Answers ...
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Get person's age in Ruby

I'd like to get a person's age from its birthday. now - birthday / 365 doesn't work, because some years have 366 days. I came up with the following code: ...