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How to create a custom string representation for a class object?
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280
Implement __str__() or __repr__() in the class's metaclass.
class MC(type):
def __repr__(sel...
PostgreSQL query to return results as a comma separated list
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209
SELECT string_agg(id::text, ',') FROM table
Requires PostgreSQL 9.0 but that's not a problem....
Transparent ARGB hex value
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205
Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF ...
Does git return specific return error codes?
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2
Trouble is, the docs for git merge (at 1.7.4 - kernel.org/pub/software/scm/git/docs/v1.7.4/git-merge.html) only mention the return status in...
The written versions of the logical operators
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112
They originated in C in the header <iso646.h>. At the time there were keyboards that could...
Select statement to find duplicates on certain fields
...lds for which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion...
How do I view all commits for a specific day?
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238
Thanks John Bartholomew!
The answer is to specify the time, e.g. git log --after="2013-11-12...
Compare dates in MySQL
I want to compare a date from a database that is between 2 given dates.
The column from the database is DATETIME, and I want to compare it only to the date format, not the datetime format.
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