大约有 37,907 项符合查询结果（耗时：0.0575秒） [XML]
How do I implement an Objective-C singleton that is compatible with ARC?
...rder to stop others potentially making mistakes seems quite wrong. There's more discussion at boredzo.org/blog/archives/2009-06-17/doing-it-wrong
– occulus
Nov 4 '13 at 16:00
...
Android: How to change CheckBox size?
...
|
show 1 more comment
99
...
How can I beautify JavaScript code using Command Line?
...
|
show 4 more comments
34
...
Classpath including JAR within a JAR
...oned below, you can also use the assembly plugin (which in reality is much more powerful, but much harder to properly configure).
share
|
improve this answer
|
follow
...
How to clear basic authentication details in chrome
...
|
show 11 more comments
228
...
Argparse optional positional arguments?
...
Use nargs='?' (or nargs='*' if you will need more than one dir)
parser.add_argument('dir', nargs='?', default=os.getcwd())
extended example:
>>> import os, argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('-v', actio...
How to add an extra column to a NumPy array
...
I think a more straightforward solution and faster to boot is to do the following:
import numpy as np
N = 10
a = np.random.rand(N,N)
b = np.zeros((N,N+1))
b[:,:-1] = a
And timings:
In [23]: N = 10
In [24]: a = np.random.rand(N,N)
...
How to write inline if statement for print?
...
|
show 8 more comments
97
...
How to create a temporary directory?
...
For a more robust solution i use something like the following. That way the temp dir will always be deleted after the script exits.
The cleanup function is executed on the EXIT signal. That guarantees that the cleanup function is ...