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Copy values from one column to another in the same table
...ur table replacing it by the number (regardless of it's value)
It is more common to use WHERE clause to limit your query to only specific set of rows:
UPDATE `products` SET `in_stock` = true WHERE `supplier_id` = 10
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How does git compute file hashes?
...um
8ab686eafeb1f44702738c8b0f24f2567c36da6d
Source: http://alblue.bandlem.com/2011/08/git-tip-of-week-objects.html
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is vs typeof
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+1: In the past I wondered why the C# compiler didn't compile typeof(string).TypeHandle to the ldtoken CIL instruction, but it looks like the CLR takes care of it in the JIT. It still takes a few extra opcodes but it's a more generalized application of the optimi...
SVN how to resolve new tree conflicts when file is added on two branches
...e.
This should be a tree conflict on the file of the 'local obstruction, incoming add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" in ClearCase by the way):
a file is created twice (here "added" twice) in two different branches, creating two different histori...
How is __eq__ handled in Python and in what order?
Since Python does not provide left/right versions of its comparison operators, how does it decide which function to call?
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Reading a delimited string into an array in Bash
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Requirejs domReady plugin vs Jquery $(document).ready()?
... answered Mar 20 '13 at 6:07
fncompfncomp
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Accessing bash command line args $@ vs $*
In many SO questions and bash tutorials I see that I can access command line args in bash scripts in two ways:
5 Answers
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SQL Server indexes - ascending or descending, what difference does it make?
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This primarily matters when used with composite indexes:
CREATE 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
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