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How to switch databases in psql?

... In PostgreSQL, you can use the \connect meta-command of the client tool psql: \connect DBNAME or in short: \c DBNAME share | improve this answer | follow ...
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How to .gitignore all files/folder in a folder, but not the folder itself? [duplicate]

I want to check in a blank folder. How can I do this? 2 Answers 2 ...
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Is there a way to rollback my last push to Git? [duplicate]

I have pushed some bad code, and I am the only user of the repository. How can I rollback my last commit? 2 Answers ...
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How to return value from an asynchronous callback function? [duplicate]

...m an asynchronous call inside a synchronous method. In this case you need to pass a callback to foo that will receive the return value function foo(address, fn){ geocoder.geocode( { 'address': address}, function(results, status) { fn(results[0].geometry.location); }); } foo("address", f...
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argparse: identify which subparser was used [duplicate]

... Edit: Please see quornian's answer to this question, which is better than mine and should be the accepted answer. According to the argparse documentation the result of parser.parse_args(...) will "only contain attributes for the main parser and the sub parser...
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Remove all special characters from a string in R?

How to remove all special characters from string in R and replace them with spaces ? 3 Answers ...
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How to upgrade R in ubuntu? [closed]

I have R 2.12.1 installed in my ubuntu, and I'd like upgrade to lastest version 2.15, how can achieve that ? Thanks 1 Answ...
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How to write a comment in a Razor view?

How to write a comment in a MVC view, that won't be transmitted to the final HTML (i.e.,to browser, to response). One can make a comment with: ...
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How to set IntelliJ IDEA Project SDK

I just installed IntelliJ IDEA and when I try to create my first Project it asks for me to set up the Project SDK. When I click on "JDK" it asks for me to select the home directory of the JDK as shown in this image. ...
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Pycharm: run only part of my Python file

Is it possible to run only a part of a program in PyCharm? 5 Answers 5 ...