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When should I use a composite index?
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You should use a composite index when you are using queries that benefit from it. A composite ...
Data structure for loaded dice?
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You are looking for the alias method which provides a O(1) method for generating a fixed discr...
Hash Map in Python
...dictionary is a built-in type that supports key-value pairs.
streetno = {"1": "Sachin Tendulkar", "2": "Dravid", "3": "Sehwag", "4": "Laxman", "5": "Kohli"}
as well as using the dict keyword:
streetno = dict({"1": "Sachin Tendulkar", "2": "Dravid"})
or:
streetno = {}
streetno["1"] = "Sachin ...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
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2130
Real, User and Sys process time statistics
One of these things is not like the other. Real r...
Is it possible to specify condition in Count()?
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What does “Splats” mean in the CoffeeScript tutorial?
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The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"...
How to convert a factor to integer\numeric without loss of information?
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10 Answers
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Simple proof that GUID is not unique [closed]
...g threads. It is licensed under the following terms: you must pay me $0.0001 per hour per CPU core you run it on. Fees are payable at the end of each calendar month. Please contact me for my paypal account details at your earliest convenience.
using System;
using System.Collections.Generic;
using S...