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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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How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
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177
Can be done via changing the Collation. By default it is case insensitive.
Excerpt from the l...
Change the name of a key in dictionary
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Django's SuspiciousOperation Invalid HTTP_HOST header
After upgrading to Django 1.5, I started getting errors like this:
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Python dictionary: Get list of values for list of keys
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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...
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...
How can I log the stdout of a process started by start-stop-daemon?
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How to debug Lock wait timeout exceeded on MySQL?
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Test if string is a number in Ruby on Rails
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