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Removing a model in rails (reverse of “rails g model Title…”)
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edited Jul 22 '13 at 19:43
answered Aug 18 '11 at 10:35
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Grouping functions (tapply, by, aggregate) and the *apply family
... <- matrix(seq(1,16), 4, 4)
# apply min to rows
apply(M, 1, min)
[1] 1 2 3 4
# apply max to columns
apply(M, 2, max)
[1] 4 8 12 16
# 3 dimensional array
M <- array( seq(32), dim = c(4,4,2))
# Apply sum across each M[*, , ] - i.e Sum across 2nd and 3rd dimension
apply(M, 1, sum)
# Result ...
What will happen if I modify a Python script while it's running?
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276
Nothing, because Python precompiles your script into a PYC file and launches that.
However, i...
The quest for the Excel custom function tooltip
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+25
I've posted a proof-of-concept project to GitHub as the Excel-DNA IntelliSense project, implementing this.
Using the UI Automation c...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
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272
__func__ is an implicitly declared identifier that expands to a character array variable conta...
Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
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162
This is done to keep state.
When you catch the InterruptException and swallow it, you essential...
SVN checkout the contents of a folder, not the folder itself
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279
Just add a . to it:
svn checkout file:///home/landonwinters/svn/waterproject/trunk .
That m...
Python - write() versus writelines() and concatenated strings
...n iterable of strings
write expects a single string.
line1 + "\n" + line2 merges those strings together into a single string before passing it to write.
Note that if you have many lines, you may want to use "\n".join(list_of_lines).
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What is the difference between README and README.md in GitHub projects?
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Rodrigo
522 bronze badges
answered Dec 28 '11 at 12:31
Mike PenningtonMike Pennington
3...
Rename multiple files based on pattern in Unix
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