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Getting the encoding of a Postgres database
I have a database, and I need to know the default encoding for the database. I want to get it from the command line.
6 Answ...
What is a non-capturing group in regular expressions?
How are non-capturing groups, i.e. (?:) , used in regular expressions and what are they good for?
15 Answers
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Select DISTINCT individual columns in django?
I'm curious if there's any way to do a query in Django that's not a " SELECT * FROM... " underneath. I'm trying to do a " SELECT DISTINCT columnName FROM ... " instead.
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HTTP header line break style
Which line break style is preferable for use in HTTP headers: \r\n or \n , and why?
3 Answers
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Android: Specify two different images for togglebutton using XML
I'm attempting to override the default ToggleButton appearance. Here's the XML that defines the ToggleButton :
1 Answer
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How to change value of process.env.PORT in node.js?
...T=1234 node app.js
More permanently:
$ export PORT=1234
$ node app.js
In Windows:
set PORT=1234
In Windows PowerShell:
$env:PORT = 1234
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How to open a web server port on EC2 instance
I'm running a CherryPy web server at 0.0.0.0:8787 on an EC2 instance.
3 Answers
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Specifying Maven's local repository location as a CLI parameter
...e location of the local Maven repository as argument on the Maven command line?
3 Answers
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Does Swift support reflection?
Does Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
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How to create an exit message
Is there a one line function call that quits the program and displays a message? I know in Perl it's as simple as:
4 Answer...