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How to replace a hash key with another key
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hash[:new_key] = hash.delete :old_key
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How do write IF ELSE statement in a MySQL query
...ably want to use a CASE expression.
They look like this:
SELECT col1, col2, (case when (action = 2 and state = 0)
THEN
1
ELSE
0
END)
as state from tbl1;
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How to add a border just on the top side of a UIView
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How to check if a variable is an integer in JavaScript?
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How does the Brainfuck Hello World actually work?
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+100
1. Bas...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
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sqrtss gives a correctly rounded result. rsqrtss gives an approximation to the reciprocal, ac...
Rails I18n validation deprecation warning
I just updated to rails 4.0.2 and I'm getting this warning:
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How would you implement an LRU cache in Java?
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called
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