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Numpy: Get random set of rows from 2D array
...> A
array([[1, 3, 0],
[3, 2, 0],
[0, 2, 1],
[1, 1, 4],
[3, 2, 2],
[0, 1, 0],
[1, 3, 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1]])
>>> idx = np.random.randint(10, size=2)
>>> idx
array([7, 6])
>>> A[idx,:]
array([[0,...
Redirecting Output from within Batch file
...b >output.txt
exit /b
:sub
command1
command2
...
commandN
Edit 2020-04-17
Every now and then you may want to repeatedly write to two or more files. You might also want different messages on the screen. It is still possible to to do this efficiently by redirecting to undefined handles outside ...
Quickly reading very large tables as dataframes
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438
An update, several years later
This answer is old, and R has moved on. Tweaking read.table to...
How to enable NSZombie in Xcode?
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440
Environment variables are now part of the "scheme".
To edit the scheme and turn on zombies:
...
How to delete a specific line in a file?
...35
Boris
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answered Jan 17 '11 at 4:44
houbysofthoubysof...
How could the UNIX sort command sort a very large file?
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43
The sort command stores working data in temporary disk files (usually in /tmp).
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How do I apply a CSS class to Html.ActionLink in ASP.NET MVC?
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48
It is:
<%=Html.ActionLink("Home", "Index", MyRouteValObj, new with {.class = "tab" })%>
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
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4 Answers
4
Active
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Convert file: Uri to File in Android
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4
What is the difference between the two? What does toString do?
– Merlyn Morgan-Graham
Dec 4 '11 at 0...