大约有 40,000 项符合查询结果（耗时：0.0813秒） [XML]
Two-dimensional array in Swift
...3, repeatedValue: 0))
– Zgpeace
Jul 20 '18 at 11:01
|
show 5 more comments
...
The 'json' native gem requires installed build tools
I have ruby 1.9.2p180 (2011-02-18) [i386-mingw32] installed on my windows 7 machine. Now I tried to install the JSON gem using the command, "gem install json" and got the following error.
...
How to send a command to all panes in tmux?
...-panes off
– guneysus
Oct 30 '16 at 20:00
4
...
What are the differences between numpy arrays and matrices? Which one should I use?
...
print(a)
# [[4 3]
# [2 1]]
print(b)
# [[1 2]
# [3 4]]
print(a*b)
# [[13 20]
# [ 5 8]]
On the other hand, as of Python 3.5, NumPy supports infix matrix multiplication using the @ operator, so you can achieve the same convenience of matrix multiplication with ndarrays in Python >= 3.5.
impo...
Look up all descendants of a class in Ruby
...me.
– Douglas Squirrel
Mar 6 '10 at 20:01
1
singleton_class instead of Class make it much faster ...
Android - drawable with rounded corners at the top only
...on pretty much works.
– Aleks G
Jan 20 '12 at 9:33
How to do it in code, given a bitmap? And how to add outline (AKA s...
Python csv string to array
...t io and io.StringIO.
– JStrahl
Jul 20 '12 at 10:08
4
Instead of .split('\n'), you can use .split...
Replace a character at a specific index in a string?
...
|
edited Oct 20 '15 at 16:44
answered Oct 20 '15 at 13:46
...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...language
– Tom Fobear
May 26 '11 at 20:30
add a comment
|
...
Visual Studio C# statement collapsing
...
Starting with Visual Studio 2017, statement collapsing is built-in.
There are several extensions that perform this task for pre-2017 versions of VS, starting with VS 2010 version:
C# outline
C# outline
2012 (@MSDN)
C# outline
2013 (@MSDN)
C# outline
...