大约有 40,000 项符合查询结果（耗时：0.0484秒） [XML]
Append TimeStamp to a File Name
I have come across this problem several times in which I would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.')...
Is it possible to select the last n items with nth-child?
...
add a comment
|
56
...
Difference between $(this) and event.target?
...
add a comment
|
40
...
How are GCC and g++ bootstrapped?
This has been bugging me for a while. How do GCC and g++ compile themselves?
1 Answer
...
Numpy: Divide each row by a vector element
...
Here you go. You just need to use None (or alternatively np.newaxis) combined with broadcasting:
In [6]: data - vector[:,None]
Out[6]:
array([[0, 0, 0],
[0, 0, 0],
[0, 0, 0]])
In [7]: data / vector[:,None]
Out[7]:
array([[1, 1, 1],
[1, 1, 1],
[1, 1, 1]])
...
Command line: piping find results to rm
I'm trying to work out a command which deletes sql files older than 15 days.
4 Answers
...
How do I “source” something in my .vimrc file?
...file is 'executing' it. Essentially, each line of the file is considered a command. Sourcing it is the same as typing each command in order. You source with the command :source (usually shortened to :so).
So if you source myStuff.vim
:so myStuff.vim
and if myStuff.vim contained these lines
set ...
Path to Powershell.exe (v 2.0)
...ll version) shows it's 2.0.
Another option is type $PSVersionTable at the command prompt. If you are running v2.0, the output will be:
Name Value
---- -----
CLRVersion 2.0.50727.4927
BuildVersion 6.1.7600.163...
How do you push just a single Git branch (and no other branches)?
...
@miss_R the -u option on a git-push command will set the upstream reference for tracking the branch just pushed. This will make things like git-pull on that branch in the future already know which branch to pull from without specifying it. It is not required a...
Can an array be top-level JSON-text?
...
community wiki
2 revs, 2 users 65%sleske
...