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How to change column datatype in SQL database without losing data
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edited Feb 27 '11 at 21:28
answered Feb 27 '11 at 21:18
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jQuery Datepicker onchange event issue
...t. :-)
– T.J. Crowder
Jun 24 '11 at 21:52
1
I've gone round and round in circles trying to go get...
vector::at vs. vector::operator[]
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answered Feb 21 '12 at 10:40
pmdjpmdj
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Is it possible to make a type only movable and not copyable?
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Steven
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answered Jun 16 '14 at 23:14
huonhuon
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How can I get a precise time, for example in milliseconds in Objective-C?
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garafajon
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answered May 20 '09 at 18:11
Jeff ThompsonJeff Thompson
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Iterating over every two elements in a list
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21 Answers
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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...
What is a Manifest in Scala and when do you need it?
...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...
Can I unshelve to a different branch in tfs 2008?
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edited Sep 21 '12 at 2:27
answered Mar 25 '11 at 5:22
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What is the difference between javac and the Eclipse compiler?
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Eclipse has implemented its own compiler called as Eclipse Compiler for Java (ECJ).
It is dif...