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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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Why not use Double or Float to represent currency?
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PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
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As I know, PDO_MYSQLND replaced PDO_MYSQL in PHP 5.3. Confusing part is that name is still PDO...
How do I get indices of N maximum values in a NumPy array?
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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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form serialize javascript (no framework)
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The miniature from-serialize library doesn't rely on a framework. Other than something like that...
while (1) Vs. for (;;) Is there a speed difference?
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In perl, they result in the same opcodes:
$ perl -MO=Concise -e 'for(;;) { print "foo\n" }'
a ...
How do I count unique values inside a list
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Pretty Printing a pandas dataframe
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I've just found a great tool for that need, it is called tabulate.
It prints tabular data and...