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PG::ConnectionBad - could not connect to server: Connection refused
...e only one instance of the server is running at a time. So when it goes to start again, it fails because there is already a PID file which tells postgres that another instance of the server was started (even though it isn't running, it just didn't get to shutdown and delete the PID).
To fix it rem...
Visual Studio opens the default browser instead of Internet Explorer
...ual Studio have, such as when you close the Internet Explorer browser that starting debug opened, Visual Studio stops debugging. How can I get Visual Studio to open Internet Explorer instead without having to set Internet Explorer as my default browser?
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Convert a String representation of a Dictionary to a dictionary?
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Starting in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
>>> ast.literal_eval("{'muffin' : 'lolz', 'foo' : 'kitty'}")
{'muffin': 'lolz', 'foo': 'kitty'}
This is safer than using ev...
How to create cron job using PHP?
...le to run using CLI (making sure to include #!/usr/bin/env php at the very start of the file before the <?php tag. This ensures that the shell knows which executable should be invoked when running the script.
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How do I change the working directory in Python?
...t if you make your python program an executable and run it in cron it will start up in your home directory. So it is best to use a fully-qualified path. This definitely works, yet I still use fully-qualified paths in any script I might invoke from Python because there is no guarantee that this wil...
How to share Eclipse configuration over different workspaces
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I'll start with this, but sadly there are many more settings outside of this directory that I'd like to synchronize.
– David Harkness
Oct 29 '12 at 16:34
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Android - How To Override the “Back” button so it doesn't Finish() my Activity?
...f you plan on having a service run in the background, make sure to look at startForeground() and make sure to have an ongoing notification or else Android will kill your service if it needs to free memory.
@Override
public void onBackPressed() {
Log.d("CDA", "onBackPressed Called");
Intent se...
Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
... For a nice introduction to Tmux: http://www.sitepoint.com/tmux-a-simple-start/ When they say CTRL + B % just type at the same CTRL + B, then press Shift + 5 (which is the key in my keyboard that has the % symbol).
– Edenshaw
Apr 7 '16 at 15:25
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Call asynchronous method in constructor?
...e the data is downloading. Have the page constructor set up that view, and start the download. When the download completes update the page to display the data.
I have a blog post on asynchronous constructors that you may find useful. Also, some MSDN articles; one on asynchronous data-binding (if yo...
How do you use script variables in psql?
...iable '\'somestring\''
SELECT * FROM foo WHERE bar = :myvariable
EDIT: starting with PostgreSQL 9.1, you may write instead:
\set myvariable somestring
SELECT * FROM foo WHERE bar = :'myvariable'
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