大约有 42,000 项符合查询结果（耗时：0.0427秒） [XML]
Normalize data in pandas
... c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min())
In [94]: df_norm
Out[94]:
a b...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
...e' or 'false' it's a value error. If the input is not a string you'll get (99.99% of the times) an AttributeError instead, hence it's useless to catch for ValueError and re-raise it as TypeError.
– Bakuriu
Dec 30 '13 at 13:55
...
How does delete[] know it's an array?
...
99
The compiler doesn't know it's an array, it's trusting the programmer. Deleting a pointer to a...
Any way to properly pretty-print ordered dictionaries?
...
kzhkzh
16.5k99 gold badges6565 silver badges9494 bronze badges
...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...
Try to lower the priority of your _collapsedtextHeightConstraint to 999. That way the system supplied UIView-Encapsulated-Layout-Height constraint always takes precedence.
It is based on what you return in -tableView:heightForRowAtIndexPath:. Make sure to return the right value and your own...
Unioning two tables with different number of columns
...
KangkanKangkan
13.2k99 gold badges6161 silver badges106106 bronze badges
...
RecyclerView onClick
...
MarurbanMarurban
1,43911 gold badge99 silver badges99 bronze badges
...
How to round up to the nearest 10 (or 100 or X)?
...)
This actually also works when x is a vector:
> roundUp(c(0.0023, 3.99, 10, 1003))
[1] 1e-02 1e+01 1e+01 1e+04
..but if you want to round to a "nice" number, you first need to define what a "nice" number is. The following lets us define "nice" as a vector with nice base values from 1 to 10....
Utilizing multi core for tar+gzip/bzip compression/decompression
...
Mark AdlerMark Adler
70.5k99 gold badges8888 silver badges127127 bronze badges
...
memcpy() vs memmove()
...
alk
65.2k99 gold badges7979 silver badges208208 bronze badges
answered Jul 25 '11 at 22:41
rxantosrxantos
...