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How to pretty-print a numpy.array without scientific notation and with given precision?
...f the output:
import numpy as np
x=np.random.random(10)
print(x)
# [ 0.07837821 0.48002108 0.41274116 0.82993414 0.77610352 0.1023732
# 0.51303098 0.4617183 0.33487207 0.71162095]
np.set_printoptions(precision=3)
print(x)
# [ 0.078 0.48 0.413 0.83 0.776 0.102 0.513 0.462 0.335...
Repeat command automatically in Linux
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13 Answers
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What is the difference between `new Object()` and object literal notation?
...shadow or assign to the default Object global:
// Don't do this
Object = 23;
In that highly-unusual case, new Object will fail but {} will work.
In practice, there's never a reason to use new Object rather than {} (unless you've done that very unusual thing).
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Using the slash character in Git branch name
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% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master
% mkdir labs
mkdir: cannot create directory 'labs': File exists
You're getting the equivalent of the "cannot create directory" error.
When you have a branch wi...
What's the equivalent of use-commit-times for git?
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edited Jul 3 at 22:35
community wiki
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...nt(const char *format,...) __attribute__((format(printf,1,2)));
//m=2；n=3
extern void myprint(int l，const char *format,...)
__attribute__((format(printf,2,3)));
需要特别注意的是，如果myprint是一个函数的成员函数，那么m和n的值可有点“悬乎”了，例如：
//...
Remove non-numeric characters (except periods and commas) from a string
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339
You could use preg_replace to swap out all non-numeric characters and the comma and period/ful...
Implementing slicing in __getitem__
...m__(self, val):
... print val
...
>>> c = C()
>>> c[3]
3
>>> c[3:4]
slice(3, 4, None)
>>> c[3:4:-2]
slice(3, 4, -2)
>>> c[():1j:'a']
slice((), 1j, 'a')
share
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Good or bad practice? Initializing objects in getter
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edited May 23 '17 at 12:26
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answered Feb 8 '13 at 13:50
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