大约有 29,680 项符合查询结果（耗时：0.0448秒） [XML]
“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
...dian estimator is great. Do you know if there are similar estimators for 0.25/0.75 quantiles?
– Gacek
May 21 '10 at 14:28
1
...
Does pandas iterrows have performance issues?
...mber2 calc
0 a 50 0.2 10
1 a 50 0.5 25
2 b -10 0.1 -1
3 b -10 0.4 -4
In [61]: df.groupby('letter')['calc'].max()
Out[61]:
letter
a 25
b -1
Name: calc, dtype: float64
In [62]: df.groupby('letter')['calc'].id...
Font scaling based on width of container
...-concepts exist if you are interested: coding.smashingmagazine.com/2013/06/25/… and filamentgroup.com/lab/element_query_workarounds
– jbenjohnson
Nov 6 '13 at 14:53
...
Comprehensive beginner's virtualenv tutorial? [closed]
...fault behaviour.
– Adrian Lopez
Nov 25 '14 at 13:24
1
...
Unable to execute dex: method ID not in [0, 0xffff]: 65536
...hanks! to save my time.
– Ankit
Aug 25 '16 at 10:51
add a comment
|
...
How do I export UIImage array as a movie?
... to recycle buffers.
– rpetrich
Oct 25 '10 at 7:44
8
Well what should you do then, when you have ...
MySQL search and replace some text in a field
...
T30
8,11255 gold badges3939 silver badges5555 bronze badges
answered Sep 24 '08 at 3:23
Joe SkoraJoe Skora
...
How to count lines in a document?
...{print $1}
– CheeHow
Apr 3 '14 at 4:25
82
Even shorter, you could do wc -l < <filename>
...
How do I download a package from apt-get without installing it? [closed]
...
125
There are a least these apt-get extension packages that can help:
apt-offline - offline apt pa...
set date in input type date
...
|
edited Jul 25 '13 at 20:51
canon
35.7k99 gold badges6565 silver badges9292 bronze badges
...