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Add new row to dataframe, at specific row-index, not appended?
... existingDF
}
> insertRow(existingDF, newrow, r)
V1 V2 V3 V4
1 1 6 11 16
2 2 7 12 17
3 1 2 3 4
4 3 8 13 18
5 4 9 14 19
6 5 10 15 20
If speed is less important than clarity, then @Simon's solution works well:
existingDF <- rbind(existingDF[1:r,],newrow,existingDF[-(1:r),])
&g...
strdup() - what does it do in C?
...ower case letter are reserved by the standard for future directions. From C11 7.1.3 Reserved identifiers:
Each header declares or defines all identifiers listed in its associated sub-clause, and *optionally declares or defines identifiers listed in its associated future library directions sub-cl...
Unit testing Anti-patterns catalogue
... is a freerider.
– Raedwald
Jan 27 '11 at 18:41
2
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Where does git config --global get written to?
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Community♦
111 silver badge
answered Jan 22 '10 at 5:02
VonCVonC
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Convert a python dict to a string and back
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Andre
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answered Dec 28 '10 at 15:59
Tyler EavesTyler Eaves
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pytest: assert almost equal
...0.3, 0.6])
– Mr Kriss
Mar 16 '17 at 11:46
4
@Mr Kriss And even for dicts: assert {'a': 0.1+0.2} =...
What is a loop invariant?
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answered Jul 11 '10 at 2:10
Tomas PetricekTomas Petricek
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Sort array of objects by string property value
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KostasX
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answered Jul 15 '09 at 3:35
WoganWogan
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Combining Multiple Commits Into One Prior To Push
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answered Apr 19 '11 at 19:52
Brian CampbellBrian Campbell
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Best XML parser for Java [closed]
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zehrerzehrer
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