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“Cloning” row or column vectors
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Here's an elegant, Pythonic way to do it:
>>> array([[1,2,3],]*3)
array([[1, 2, 3],
[1, 2, 3],
[1, 2, 3]])
>>> array([[1,2,3],]*3).transpose()
array([[1, 1, 1],
[2, 2, 2],
[3, 3, 3]])
the problem with [16] seems to be that the transpose ha...
Display open transactions in MySQL
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61
How can I display these open transactions and commit or cancel them?
There is no open tr...
Use of “this” keyword in formal parameters for static methods in C#
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edited Oct 19 '15 at 22:58
answered May 11 '09 at 5:08
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Difference between Python datetime vs time modules
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104
the time module is principally for working with unix time stamps; expressed as a floating poin...
Find all elements on a page whose element ID contains a certain text using jQuery
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edited Dec 6 '10 at 22:50
answered Jul 30 '09 at 13:51
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Bash foreach loop
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answered Nov 12 '10 at 8:35
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
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Ruby class types and case statements
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edited May 26 '19 at 6:55
Rambatino
3,37911 gold badge2323 silver badges4444 bronze badges
an...
Difference between setUp() and setUpBeforeClass()
...ce constructed and the following methods called on it)
setUp()
test1()
tearDown()
(Test class second instance constructed and the following methods called on it)
setUp()
test2()
tearDown()
(Test class third instance constructed and the following methods called on it)
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How to get CSS to select ID that begins with a string (not in Javascript)?
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edited Jun 30 '15 at 11:53
answered Jul 15 '12 at 23:58
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