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Postgres could not connect to server
...s upgrade.
In my case, it happened when upgrading from 9.3 to 9.4.
See http://www.postgresql.org/docs/9.4/static/upgrading.html
OS X/Homebrew:
Try running postgres -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf ...
Bidirectional 1 to 1 Dictionary in C#
...gt;, IDictionary
{
private readonly IDictionary<TFirst, TSecond> _firstToSecond = new Dictionary<TFirst, TSecond>();
[NonSerialized]
private readonly IDictionary<TSecond, TFirst> _secondToFirst = new Dictionary<TSecond, TFirst>();
[NonSerialized]
private r...
Get name of current script in Python
...
You can use __file__ to get the name of the current file. When used in the main module, this is the name of the script that was originally invoked.
If you want to omit the directory part (which might be present), you can use os.path.bas...
Replace selector images programmatically
...<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/top_bar_default" >
</item>
<item android:id="@+id/nav_icons" android:bottom="0dip">
<level-list xmlns...
SQL Server SELECT INTO @variable?
...
Sounds like you want temp tables.
http://www.sqlteam.com/article/temporary-tables
Note that #TempTable is available throughout your SP.
Note the ##TempTable is available to all.
sha...
How do I remove documents using Node.js Mongoose?
...been updated) that this bypasses middleware - see the bottom of mongoosejs.com/docs/middleware.html - so be careful, using this method can cause serious, hard to track down issues.
– Jed Watson
May 13 '14 at 7:25
...
Installing specific package versions with pip
... URL link does not work for MySQL_python v1.2.2. You can verify this here: http://pypi.python.org/pypi/MySQL-python/1.2.2
The download link 404s and the fallback URL links are re-directing infinitely due to sourceforge.net's recent upgrade and PyPI's stale URL.
So to properly install the driver, y...
How to use ng-repeat for dictionaries in AngularJs?
...ms">{{name}}: {{age}}</li>
See ngRepeat documentation. Example: http://jsfiddle.net/WRtqV/1/
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Class method differences in Python: bound, unbound and static
... and unbound methods.
Basically, a call to a member function (like method_one), a bound function
a_test.method_one()
is translated to
Test.method_one(a_test)
i.e. a call to an unbound method. Because of that, a call to your version of method_two will fail with a TypeError
>>> a_tes...
Django “xxxxxx Object” display customization in admin action sidebar
...
__unicode__ does do that. Your model should look something like this:
class SomeModel(models.Model):
def __unicode__(self):
return 'Policy: ' + self.name
On Python 3 you need to use __str__:
def __str__(self):
...