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Get the Row(s) which have the max count in groups using groupby
...ount
0 MM1 S1 a 3
1 MM1 S1 n 2
2 MM1 S3 cb 5
3 MM2 S3 mk 8
4 MM2 S4 bg 10
5 MM2 S4 dgd 1
6 MM4 S2 rd 2
7 MM4 S2 cb 2
8 MM4 S2 uyi 7
In [2]: df.groupby(['Mt'], sort=False)['count'].max()
Out[2]:
Mt
S1 3
S3 ...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
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Peter Cordes
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answered Jun 24 '12 at 11:53
haroldharold
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Better explanation of when to use Imports/Depends
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answered Dec 26 '11 at 20:25
Josh O'BrienJosh O'Brien
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Why does git perform fast-forward merges by default?
...tched to branch 'develop'
$ git merge --no-ff myfeature
Updating ea1b82a..05e9557
(Summary of changes)
$ git branch -d myfeature
Deleted branch myfeature (was 05e9557).
$ git push origin develop
The --no-ff flag causes the merge to always create a new commit object, even if the merge could be p...
Select first 4 rows of a data.frame in R
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C++ Tuple vs Struct
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}
constexpr int NumberOfSamples = 10;
constexpr int NumberOfIterations = 5;
constexpr size_t N = 1000000;
auto const sdata = test_struct_data(N);
auto const tdata = test_tuple_data(sdata);
CELERO_MAIN
BASELINE(Sort, struct, NumberOfSamples, NumberOfIterations) {
std::vector<StructData>...
Cmake vs make sample codes?
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+50
The following Makefile builds an executable named prog from the sources
prog1.c, prog2.c, prog3.c and main.c. prog is linked against ...
How can you use an object's property in a double-quoted string?
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edited Jun 18 '19 at 11:15
robdy
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answered Jul 1...
Scala: What is a TypeTag and how do I use it?
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A TypeT...