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Return two and more values from a method
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160
def sumdiff(x, y)
return x+y, x-y
end
#=> nil
sumdiff(3, 4)
#=> [7, -1]
a = sumdiff(...
How to set Python's default version to 3.x on OS X?
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21 Answers
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Multiple INSERT statements vs. single INSERT with multiple VALUES
I'm running a performance comparison between using 1000 INSERT statements:
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...sked a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print ...
Reorder / reset auto increment primary key
... the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
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Random date in C#
...ng for some succinct, modern C# code to generate a random date between Jan 1 1995 and the current date.
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How do I get indices of N maximum values in a NumPy array?
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form serialize javascript (no framework)
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41
The miniature from-serialize library doesn't rely on a framework. Other than something like that...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
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141
As I know, PDO_MYSQLND replaced PDO_MYSQL in PHP 5.3. Confusing part is that name is still PDO...
How do I count unique values inside a list
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13 Answers
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