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Rails “validates_uniqueness_of” Case Sensitivity
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answered Jun 22 '13 at 19:21
Victor SVictor S
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How do I get python's pprint to return a string instead of printing?
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How to migrate back from initial migration in Django 1.7?
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How do I change the Javadocs template generated in Eclipse?
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Skip rows during csv import pandas
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HugoHugo
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Understand homebrew and keg-only dependencies
...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...
In C++, what is a “namespace alias”?
...answered Mar 20 '13 at 5:07
user2168377user2168377
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Should I use a data.frame or a matrix?
...ry efficient:
m = matrix(1:4, 2, 2)
d = as.data.frame(m)
object.size(m)
# 216 bytes
object.size(d)
# 792 bytes
Matrices are a necessity if you plan to do any linear algebra-type of operations.
Data frames are more convenient if you frequently refer to its columns by name (via the compact $ opera...
In Unix, can I run 'make' in a directory without cd'ing to that directory first?
...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...
How to add text to a WPF Label in code?
...itkevicius
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answered Dec 15 '12 at 18:18
Utkal SinhaUtkal Sinha
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