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MySQL/SQL: Group by date only on a Datetime column
...able GROUP BY DATE(a_table.mydate);
Or you can GROUP BY the alias as @orlandu63 suggested:
SELECT SUM(foo), DATE(mydate) DateOnly FROM a_table GROUP BY DateOnly;
Though I don't think it'll make any difference to performance, it is a little clearer.
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How to define multiple name tags in a struct
... non-control characters other than space (U+0020 ' '), quote (U+0022 '"'), and colon (U+003A ':'). Each value is quoted using U+0022 '"' characters and Go string literal syntax.
What you need to do is to use space instead of comma as tag string separator.
type Page struct {
PageId string ...
Rails: Custom text for rails form_for label
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Just go to the above link and type in the method you are looking for in the search box. label is listed under ActionView::Helpers::FormBuilder and ActionView::Helpers::FormHelper. ActionView::Helpers::FormBuilder is the one we are interested in, but t...
Hide console window from Process.Start C#
...eate a process. But the problem is, creating a service is take a long time and console window is displayed.
Another annoying thing is the console window is displayed on top of my windows form and i cant do any other operations on that form.
I have set all properties like CreateNoWindow = true ,
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Linux, Why can't I write even though I have group permissions?
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Did you logout and log back in after making the group changes? See:
Super User answer involving touch permissions failure
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Cross-referencing commits in github
...people can find it without following the link to the Autolinked References and URLs section of the GitHub help:
User/Project@SHA
For example:
mojombo/god@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
Short SHAs work as well (as long as they are unique):
mojombo/god@be6a8cc
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Method overloading in Objective-C?
...ring *)aString;
(the names of the two methods are "writeToFile:fromInt:" and "writeToFile:fromString:").
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Rails auto-assigning id that already exists
... am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the sequence name with SELECT pg_get_serial_sequence('tablename', 'columname'); or look at the table definition with \d tablename.
An alternate ...
How to configure PostgreSQL to accept all incoming connections
...of IPs to be authorized, you could edit /var/lib/pgsql/{VERSION}/data file and put something like
host all all 172.0.0.0/8 trust
It will accept incoming connections from any host of the above range.
Source: http://www.linuxtopia.org/online_books/database_guides/P...
Python Requests package: Handling xml response
I like very much the requests package and its comfortable way to handle JSON responses.
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