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pg_config executable not found
...try also installing libpq-dev
sudo apt-get install libpq-dev python-dev
From the article: How to install psycopg2 under virtualenv
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Conveniently map between enum and int / String
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A side-note:As you correctly point out, the ordinal() may be "unstable" from version to version. This is the exact reason why I always store constants as strings in my databases. (Actually, when using MySql, I store them as MySql enums!)
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How to check if a URL is valid
...URI rgexps. You can access any of URI::DEFAULT_PARSER.regexp.keys directly from URI::#{key}.
For example, the :ABS_URI regexp can be accessed from URI::ABS_URI.
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Couldn't register with the bootstrap Server
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I was able to recover from this by unplugging the iPad, powering it down and back up, clearing all XCode caches and targets, and doing a clean build.
I'm running XCode 3.5.4 and iOS 4.2.1
Hope this helps someone.
-Mike
UPDATE:
Same problem runni...
How to escape @ characters in Subversion managed file names?
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From the SVN book (emphasis added):
The perceptive reader is probably wondering at this point whether the peg revision syntax causes problems for working copy paths or URLs that actually have at signs in them. After all, ...
Why is typeof null “object”?
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From the MDN page about the behaviour of the typeof operator:
null
// This stands since the beginning of JavaScript
typeof null === 'object';
In the first implementation of JavaScript, JavaScript values were represented ...
What's the difference between .bashrc, .bash_profile, and .environment?
...fig files is that some are only read by "login" shells (eg. when you login from another host, or login at the text console of a local unix machine). these are the ones called, say, .login or .profile or .zlogin (depending on which shell you're using).
Then you have config files that are read by "in...
Creating anonymous objects in php
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How's that different from going $someObj = new \stdClass()?
– JamesNZ
Mar 5 '18 at 23:15
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Print array to a file
...xport or set print_r to return the output instead of printing it.
Example from PHP manual
$b = array (
'm' => 'monkey',
'foo' => 'bar',
'x' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $results now contains output from print_r
You can then save $results wit...
How do I “undo” a --single-branch clone?
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Wow, this is far from intuitive! It's odd Git doesn't readily have a command to accomplish this. Yeah I got it working... and now I know about the config file int he .git directory too!
– kashiraja
May 1...