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How to delete a record in Django models?

I want to delete a particular record. Such as 5 Answers 5 ...
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Making a Location object in Android with latitude and longitude values

I have a program in which latitude and longitude values of a location are stored in a database, which I download. 3 Answer...
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Byte[] to InputStream or OutputStream

I have a blob column in my database table, for which I have to use byte[] in my Java program as a mapping and to use this data I have to convert it to InputStream or OutputStream . But I don't know what happens internally when I do so. Can anyone briefly explain me what's happening when I do th...
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When do I use fabs and when is it sufficient to use std::abs?

...nd fabs are behaving different when using math.h . But when I use just cmath and std::abs , do I have to use std::fabs or fabs ? Or isn't this defined? ...
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Multiple commands in gdb separated by some sort of delimiter ';'?

I am trying to execute two commands at once in gdb: 6 Answers 6 ...
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Vim - how to run a command immediately when starting vim?

I have a plugin (FindFile.vim) that needs to run :FindFileCache . whenever I start vim to gather a file cache for quick opening.. I have to run this every time I start vim though. ...
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:after vs. ::after

Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification? ...
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Rails migrations: self.up and self.down versus change

Looks like the new rails version has "change" versus self.up and self.down methods. 3 Answers ...
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Nginx not picking up site in sites-enabled?

After over 10 hours of research I have not figured out why this doesn't work! I am trying to move my localhost to my sites-enabled folder which is in /etc/nginx/sites-enabled/default. ...
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Should I use encoding declaration in Python 3?

Python 3 uses UTF-8 encoding for source-code files by default. Should I still use the encoding declaration at the beginning of every source file? Like # -*- coding: utf-8 -*- ...