大约有 48,000 项符合查询结果（耗时：0.0982秒） [XML]
How to redirect output to a file and stdout
...e output.file
If you want to include stderr, do:
program [arguments...] 2>&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee comm...
Switching between tabs in NERDTree
...
answered Mar 9 '10 at 22:33
Chad BirchChad Birch
67.4k2121 gold badges142142 silver badges148148 bronze badges
...
How to get the nth element of a python list or a default if not available
...
126
l[index] if index < len(l) else default
To support negative indices we can use:
l[index] ...
How do I create an empty array/matrix in NumPy?
...w-by-row:
>>> import numpy
>>> a = numpy.zeros(shape=(5,2))
>>> a
array([[ 0., 0.],
[ 0., 0.],
[ 0., 0.],
[ 0., 0.],
[ 0., 0.]])
>>> a[0] = [1,2]
>>> a[1] = [2,3]
>>> a
array([[ 1., 2.],
[ 2., 3.],
[ 0., 0.],
[ 0., ...
Get type of a generic parameter in Java with reflection
...
Aubin
13.3k88 gold badges5252 silver badges7575 bronze badges
answered Dec 14 '09 at 14:37
DerMikeDerMike
...
Best way to serialize an NSData into a hexadeximal string
...
206
This is a category applied to NSData that I wrote. It returns a hexadecimal NSString represent...
What is the best Java email address validation method? [closed]
...not accept valid emails from new TLDs.
This bug was resolved on 03/Jan/15 02:48 in commons-validator version 1.4.1
share
edited Jun 20 at 9:12
...