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Check if application is installed - Android

I'm trying to install apps from Google Play. I can understand that on opening the Google Play store URL, it opens the Google Play and when I press the back button, the activity resumes. ...
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How to use random in BATCH script?

How to use random in BATCH script? 14 Answers 14 ...
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SQL Server 2008: how do I grant privileges to a username?

I need to be able to establish an ODBC connection through SQL Server authentication. 3 Answers ...
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How to subtract a day from a date?

I have a Python datetime.datetime object. What is the best way to subtract one day? 6 Answers ...
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How to attach my repo to heroku app

I create a heroku app and then my machine crashed. I have a new machine. How do I attach my existing app to heroku app. When I visit heroku page the url for my app is like this ...
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Bash script absolute path with OS X

I am trying to obtain the absolute path to the currently running script on OS X. 15 Answers ...
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Faye vs. Socket.IO (and Juggernaut)

Socket.IO seems to be the most popular and active WebSocket emulation library. Juggernaut uses it to create a complete pub/sub system. ...
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How to convert timestamp to datetime in MySQL?

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Persistent :set syntax for a given filetype?

I'm working on a Symfony2 project which uses Twig, and the filetypes are myfile.html.twig . Vim doesn't automatically detect the syntax highlighting and so applies none. I can use :set syntax=HTML after I've opened the file but this is a pain when jumping between files. ...
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REST response code for invalid data

What response code should be passed to client in case of following scenarios? 4 Answers ...