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Can you grab or delete between parentheses in vi/vim?
...ific problem you would do the following:
printf("%3.0f\t%6.1f\n", fahr, ((5.0/9.0) * (fahr-32)));
^
Let's say your cursor is positioned at ^. Enter the following sequence to select the part you are looking for:
v2a)
First v enters Visual mode, then you specif...
Convert list to tuple in Python
...able name. It's probably what's causing your problem.
>>> l = [4,5,6]
>>> tuple(l)
(4, 5, 6)
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What regex will match every character except comma ',' or semi-colon ';'?
...
485
[^,;]+
You haven't specified the regex implementation you are using. Most of them hav...
How to convert list of tuples to multiple lists?
...n zip() will almost do what you want:
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2, 4, 6)]
The only difference is that you get tuples instead of lists. You can convert them to lists using
map(list, zip(*[(1, 2), (3, 4), (5, 6)]))
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What is a unix command for deleting the first N characters of a line?
... cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char):
tail -f logfile | grep org.springframework | cut -c 5-
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What is the smallest possible valid PDF?
...obj<</Type/Page/MediaBox[0 0 3 3]>>endobj
xref
0 4
0000000000 65535 f
0000000010 00000 n
0000000053 00000 n
0000000102 00000 n
trailer<</Size 4/Root 1 0 R>>
startxref
149
%EOF
which is 291 bytes of PDF joy. Acrobat opens it, but it complains somewhat. There is one page in...
How to add texture to fill colors in ggplot2
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edited Dec 27 '17 at 15:36
Claus Wilke
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All permutations of a Windows license key
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165
Disclaimer: Yes, I know that this is not Python code. It just popped into my mind and I simply h...
Minimum and maximum date
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From the spec, §15.9.1.1:
A Date object contains a Number indicating a particular instant in time to within a millisecond. Such a Number is called a time value. A time value may also be NaN, indicating that the Date object does not represent...
Regular expression search replace in Sublime Text 2
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599
Usually a back-reference is either $1 or \1 (backslash one) for the first capture group (the f...