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JQuery to load Javascript file dynamically
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Yes, use getScript instead of document.write - it will even allow for a callback once the file loads.
You might want to check if TinyMCE is defined, though, before including it (for subsequent calls to 'Add Comment') so the code might look something like this:
$('#add_comment').click(function()...
INSERT … ON DUPLICATE KEY (do nothing)
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Yes, use INSERT ... ON DUPLICATE KEY UPDATE id=id (it won't trigger row update even though id is assigned to itself).
If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if th...
How to turn off word wrapping in HTML?
...ure this out, but how do I turn off wordwrap? the css word-wrap property can be forced on with break-word , but cannot be forced off (only can be left alone with normal value).
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Gesture recognizer and button actions
... but i still don't know why the responder hierarchy is not working in this case. It probably should, but it's not being handled by Apple.
– Mustafa
Jan 28 '11 at 7:29
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Backwards migration with Django South
...ooks at the database tables to decide which ones are 'new').
However, you can also specify any migration by number, and South will migrate your database, either forward or backward, to take it to that point. So, with the example files above, if you have already migrated up to 0003, and you wanted t...
SQL Server - When to use Clustered vs non-Clustered Index?
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I just want to put in a word of warning: please very carefully pick your clustered index! Every "regular" data table ought to have a clustered index, since having a clustered index does indeed speed up a lot of operations - yes, speed up, even inserts and deletes! But only if y...
Remove file from SVN repository without deleting local copy
How can I "delete" a file which is already in the SVN repository without deleting it from my file system?
5 Answers
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Convert varchar to uniqueidentifier in SQL Server
...E @uuid VARCHAR(50)
SET @uuid = 'a89b1acd95016ae6b9c8aabb07da2010'
SELECT CAST(
SUBSTRING(@uuid, 1, 8) + '-' + SUBSTRING(@uuid, 9, 4) + '-' + SUBSTRING(@uuid, 13, 4) + '-' +
SUBSTRING(@uuid, 17, 4) + '-' + SUBSTRING(@uuid, 21, 12)
AS UNIQUEIDENTIFIER)
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How do you run a single query through mysql from the command line?
... -e "my query"---->ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
– Dr.jacky
Mar 12 '17 at 11:38
2
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Which regular expression operator means 'Don't' match this character?
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You can use negated character classes to exclude certain characters: for example [^abcde] will match anything but a,b,c,d,e characters.
Instead of specifying all the characters literally, you can use shorthands inside character ...