大约有 44,500 项符合查询结果（耗时：0.0312秒） [XML]
Find indices of elements equal to zero in a NumPy array
...
228
numpy.where() is my favorite.
>>> x = numpy.array([1,0,2,0,3,0,4,5,6,7,8])
>>&...
Generate all permutations of a list without adjacent equal elements
...
12 Answers
12
Active
...
Converting bytes to megabytes
...
Traditionally by megabyte we mean your second option -- 1 megabyte = 220 bytes. But it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity.
...
What is the Ruby (spaceship) operator?
...
TonyArraTonyArra
7,42111 gold badge2525 silver badges3232 bronze badges
...
What is the best way to convert an array to a hash in Ruby
...
92
NOTE: For a concise and efficient solution, please see Marc-André Lafortune's answer below.
Th...
How can I pipe stderr, and not stdout?
...
1227
First redirect stderr to stdout — the pipe; then redirect stdout to /dev/null (without chang...
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
I want to completely remove Python 2.7 from my Mac OS X 10.6.4. I managed to remove the entry from the PATH variable by reverting my .bash_profile . But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I've got the install p...
Assign multiple columns using := in data.table, by group
...
2 Answers
2
Active
...
How do I check if an integer is even or odd? [closed]
...
1
2
Next
449
votes
...