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Escaping keyword-like column names in Postgres
...es, or you can specify schema name with dot concatenation.
Let's Suppose, order is the keyword registered by Postgres. And in some scenarios, you must have to use this keyword as a table name.
At that time, Postgres will allow you to create a table with keywords. That is the beauty of Postgres.
T...
How to sort a list/tuple of lists/tuples by the element at a given index?
...
In order to sort a list of tuples (<word>, <count>), for count in descending order and word in alphabetical order:
data = [
('betty', 1),
('bought', 1),
('a', 1),
('bit', 1),
('of', 1),
('butter', 2),
('but', 1),
('...
Outputting data from unit test in python
... %r", self.that )
# etc.
self.assertEquals( 3.14, pi )
if __name__ == "__main__":
logging.basicConfig( stream=sys.stderr )
logging.getLogger( "SomeTest.testSomething" ).setLevel( logging.DEBUG )
unittest.main()
That allows us to turn on debugging for specific tests whi...
Adding git branch on the Bash command prompt
...
git 1.9.3 or later: use __git_ps1
Git provides a shell script called git-prompt.sh, which includes a function __git_ps1 that
prints text to add to bash PS1 prompt (includes branch name)
Its most basic usage is:
$ __git_ps1
(master)
It also...
Necessary to add link tag for favicon.ico?
...users to choose whether or not it should automatically look. Therefore, in order to ensure that it will always appear and get looked at, you do have to define it.
share
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improve this answer
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Relationship between SciPy and NumPy
...
Last time I checked it, the scipy __init__ method executes a
from numpy import *
so that the whole numpy namespace is included into scipy when the scipy module is imported.
The log10 behavior you are describing is interesting, because both versions are co...
Swift and mutating struct
...hat the fields of any particular instance may be mutable or immutable.
In order for a structure method to mutate the fields of the underlying struct, those fields have to be mutable. If a method that mutates fields of the underlying struct is invoked upon an immutable structure, it would try to mu...
Select SQL Server database size
... , RowNum = ROW_NUMBER() OVER (PARTITION BY s.database_name, s.[type] ORDER BY s.backup_finish_date DESC)
FROM msdb.dbo.backupset s
WHERE s.[type] IN ('D', 'L')
) f
WHERE f.RowNum = 1
GROUP BY f.database_name
) bu ON d.name = bu.database_name
ORDER BY t.total_size DE...
Does it make sense to use Require.js with Angular.js? [closed]
...rk latency and transmission overhead for that controller is going to be an order of magnitude greater than the size of the controller itself.
But let's say you really do need lazy-downloading, perhaps for infrequently-used pieces of your application, such as an admin interface. That's a very legiti...
Is it valid to replace http:// with // in a ?
...wing parts:
foo://example.com:8042/over/there?name=ferret#nose
\_/ \______________/\_________/ \_________/ \__/
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scheme authority path query fragment
When defining relative URIs (Section 5.2), you can omit any...