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CROSS JOIN vs INNER JOIN in SQL
...e result:
Cross join
select * from table1 cross join table2 where table1.id = table2.fk_id
Inner join
select * from table1 join table2 on table1.id = table2.fk_id
Use the last method
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How to change the DataTable Column Name?
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I just tried this solution now and it works fine - it did not do any changes or wipe out the underlying column data. Maybe something else is happening in your code...
– AshesToAshes
Aug 15 '13 at 15:25
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Getting an object from an NSSet
... think hash needs to be implemented; it would just go a lot faster if you did do that.
– fumoboy007
Aug 11 '13 at 22:17
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Is Integer Immutable
I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code:
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PHP Pass variable to next page
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HTML / HTTP is stateless, in other words, what you did / saw on the previous page, is completely unconnected with the current page. Except if you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with session being by far...
Declaring a custom android UI element using XML
How do I declare an Android UI element using XML?
6 Answers
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Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
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What does $$ mean in the shell?
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In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename for a variety of reasons.
For temporary file names, use the mktemp command.
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PHP Redirect with POST data
I did some research on this topic, and there are some experts who have said that it is not possible , so I would like to ask for an alternative solution.
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Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
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