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How to deselect a selected UITableView cell?

I am working on a project on which I have to preselect a particular cell. 24 Answers 2...
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Why does Math.Round(2.5) return 2 instead of 3?

...ng) Java Math.Round rounds away from zero (it floors the result, adds 0.5, casts to an integer). There's an alternative in BigDecimal Perl uses a similar way to C Javascript is the same as Java's Math.Round. share ...
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How to copy a selection to the OS X clipboard

I have an area selected in Vim. How can I copy it into the OS X clipboard? 27 Answers ...
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WHERE vs HAVING

Why do you need to place columns you create yourself (for example select 1 as "number" ) after HAVING and not WHERE in MySQL? ...
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How do I execute a stored procedure once for each row returned by query?

... declare @field1 int declare @field2 int declare cur CURSOR LOCAL for select field1, field2 from sometable where someotherfield is null open cur fetch next from cur into @field1, @field2 while @@FETCH_STATUS = 0 BEGIN --execute your sproc on each row exec uspYourSproc @field1, @fiel...
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Modifying location.hash without page scrolling

... load if(document.location.hash){ $("#buttons li a").removeClass('selected'); s=$(document.location.hash.replace("btn_","")).addClass('selected').attr("href").replace("javascript:",""); eval(s); } //Click a button to change the hash $("#buttons li a").click(function()...
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SQL Server indexes - ascending or descending, what difference does it make?

...TE INDEX ix_index ON mytable (col1, col2 DESC); can be used for either: SELECT * FROM mytable ORDER BY col1, col2 DESC or: SELECT * FROM mytable ORDER BY col1 DESC, col2 , but not for: SELECT * FROM mytable ORDER BY col1, col2 An index on a single colum...
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Postgres: INSERT if does not exist already

...onditional INSERT in PostgreSQL: INSERT INTO example_table (id, name) SELECT 1, 'John' WHERE NOT EXISTS ( SELECT id FROM example_table WHERE id = 1 ); CAVEAT This approach is not 100% reliable for concurrent write operations, though. There is a very tiny race condition between...
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What's the best way to trim std::string?

...ctually a second definition which supports locales. This could have been a cast just the same, but I tend to like this better. EDIT: To address some comments about accepting a parameter by reference, modifying and returning it. I Agree. An implementation that I would likely prefer would be two sets ...
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Hidden Features of Visual Studio (2005-2010)?

... Make a selection with ALT pressed - selects a square of text instead of whole lines. share answered Sep 19 ...