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How to make good reproducible pandas examples
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341
Note: The ideas here are pretty generic for Stack Overflow, indeed questions.
Disclaimer: Writ...
Add new value to an existing array in JavaScript [duplicate]
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answered Jan 3 '10 at 23:24
David HellsingDavid Hellsing
93.9k3939 gold badges160160 silver badges199199 bronze badges
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Oracle “Partition By” Keyword
... 10 3 <- three because there are three "dept_no = 10" records
4 20 2
5 20 2 <- two because there are two "dept_no = 20" records
If there was another column (e.g., state) then you could count how many departments in that State.
It is like getting the results...
Use numpy array in shared memory for multiprocessing
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edited Jan 31 '18 at 15:46
answered Oct 26 '11 at 20:36
j...
Why is it slower to iterate over a small string than a small list?
...thon3 -m timeit '[x for x in ["a", "b", "c"]]'
1000000 loops, best of 3: 0.436 usec per loop
This disagrees with what you've found...
You must be using Python 2, then.
>>> python2 -m timeit '[x for x in "abc"]'
1000000 loops, best of 3: 0.309 usec per loop
>>> python2 -m timei...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
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249
FYI, I combined Keremk's answer with my original outline, cleaned-up the typos, generalized it ...
How to get the data-id attribute?
...will return the string "123"
or .data() (if you use newer jQuery >= 1.4.3)
$(this).data("id") // will return the number 123
and the part after data- must be lowercase, e.g. data-idNum will not work, but data-idnum will.
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How to write loop in a Makefile?
... your use of ./a.out, you're on a UNIX-type platform.
for number in 1 2 3 4 ; do \
./a.out $$number ; \
done
Test as follows:
target:
for number in 1 2 3 4 ; do \
echo $$number ; \
done
produces:
1
2
3
4
For bigger ranges, use:
target:
number=1 ; while [[ $$number -...
Is the size of C “int” 2 bytes or 4 bytes?
Does an Integer variable in C occupy 2 bytes or 4 bytes? What are the factors that it depends on?
13 Answers
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Writing/outputting HTML strings unescaped
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edited Apr 27 '15 at 4:04
Alexei Levenkov
92.4k1212 gold badges108108 silver badges152152 bronze badges
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