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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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Why does “,,,” == Array(4) in Javascript?
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Because the right hand operand is converted to a string and the string representation of Array(4) is ,,,:
> Array(4).toString()
",,,"
If you use the array constructor function and pass a number, it sets the length of t...
Add hover text without javascript like we hover on a user's reputation
...text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this-
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How to check if an intent can be handled from some activity?
I have this method so far , but it came up like something is missing
6 Answers
6
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python numpy machine epsilon
...ying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows:
3 Answers
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