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Difference between sh and bash
When writing shell programs, we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
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An explicit value for the identity column in table can only be specified when a column list is used
..._archive a regular, non-identity column: If your table is an archive table and you always specify an explicit value for the identity column, why do you even need an identity column? Just use a regular int instead.
Details on Solution 1
Instead of
SET IDENTITY_INSERT archive_table ON;
INSERT INTO ...
Multiple RunWith Statements in jUnit
I write unit test and want to use JUnitParamsRunner and MockitoJUnitRunner for one test class.
8 Answers
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CSS3 :unchecked pseudo-class
...l CSS3 :checked pseudo-class, but is there an :unchecked pseudo-class, and do they have the same browser support?
4 Ans...
Is there a way to access the “previous row” value in a SELECT statement?
...u want to order alphabetically) then I don't know of a way to do that in standard SQL, but most SQL implementations will have extensions to do it.
Here is a way for SQL server that works if you can order rows such that each one is distinct:
select rank() OVER (ORDER BY id) as 'Rank', value into...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...ing to run mysql without passwords turned on... but whenever I ran the command
44 Answers
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Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
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How to copy to clipboard in Vim?
...ternal buffer. I want to copy to the OS's clipboard. Is there any such command in Vim or you can only yank stuff within Vim?
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Download File Using Javascript/jQuery
... answered Sep 20 '10 at 7:27
Randy the DevRandy the Dev
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Why can't a text column have a default value in MySQL?
If you try to create a TEXT column on a table, and give it a default value in MySQL, you get an error (on Windows at least). I cannot see any reason why a text column should not have a default value. No explanation is given by the MySQL documentation. It seems illogical to me (and somewhat frustrati...