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Change the name of a key in dictionary
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15 Answers
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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"...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
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Real, User and Sys process time statistics
One of these things is not like the other. Real r...
How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
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Can be done via changing the Collation. By default it is case insensitive.
Excerpt from the l...
How do you extract a column from a multi-dimensional array?
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>>> import numpy as np
>>> A = np.array([[1,2,3,4],[5,6,7,8]])
>>> A
array([[1, 2, 3, 4],
[5, 6, 7, 8]])
>>> A[:,2] # returns the third columm
array([3, 7])
See also: "numpy.arange" and "reshape" to allocate memory
Example: (Allocating a ar...
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...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
...e number must be converted to a string:
require 'date'
DateTime.strptime("1318996912",'%s')
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Python dictionary: Get list of values for list of keys
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11 Answers
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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A simple approach would be to check how many digits are output by Integer.toHexString() and ad...