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MySQL: Sort GROUP_CONCAT values
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Sure, see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
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How to comment in Vim's config files: “.vimrc”?
How do I add a comment in Vim's configuration files, like .vimrc?
3 Answers
3
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Visually managing MongoDB documents and collections [closed]
... test documents. While I don't have too much trouble using the JSON-based command-line tools, it gets extremely tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt window (ever tried to "mark" text that wraps multiple lines?)
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Object of custom type as dictionary key
...ike that is also wrong, because it can produce incorrect results: pastebin.com/C9fSH7eF
– Rosh Oxymoron
Feb 4 '11 at 20:32
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Efficient paging in SQLite with millions of records
... multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColumn) > (LastSome, LastOther)
ORDER BY SomeColumn, OtherColumn
LIMIT 100;
s...
Will Dart support the use of existing JavaScript libraries?
I understand Dart compiles to JavaScript, and I read the Dart Language Spec on Libraries, although I didn't see an answer there. Also a search on their discussion form for the word 'existing' turns up 3 results that are not related.
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GRANT EXECUTE to all stored procedures
Does the following command effectively give the user, "MyUser," permission to execute ALL stored procedures in the database?
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Gradle - getting the latest release version of a dependency
...precated) but it does support Ivy's latest.release. However, the general recommendation is to build against exact versions. Otherwise, the build can become a lottery.
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How to validate inputs dynamically created using ng-repeat, ng-show (angular)
... Nesting forms isnt considered to be valid HTML stackoverflow.com/questions/379610/can-you-nest-html-forms Is angular planning a fix for this?
– Blowsie
Dec 9 '13 at 12:05
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Database Design for Tagging
...ion" operation. This article covers relational division in concise and yet comprehendible way.
About performance: A bitmap-based approach intuitively sounds like it will suit the situation well. However, I'm not convinced it's a good idea to implement bitmap indexing "manually", like digiguru sugge...