大约有 41,000 项符合查询结果（耗时：0.0596秒） [XML]
Performance of Java matrix math libraries? [closed]
...e taken was again around 4 seconds as JBLAS uses multithreaded ATLAS.
So for me it was clear that the Java libraries didn't perform too well. However if someone has to code in Java, then the best option is JBLAS. Jama, Colt and Parallel Colt are not fast.
...
WPF vs Silverlight [duplicate]
...he differences between the two technologies, and it's around 70 pages. Unfortunately, it's not published yet, or I'd give you the link.
EDIT: As promised, here's the link
to the whitepaper on Codeplex:
http://wpfslguidance.codeplex.com/
However, I'll try to summarize.
WPF is a thick ...
Convert seconds to HH-MM-SS with JavaScript?
...like a bit of overkill. Rather use one of the functions suggested in these or other answers.
– Ola Karlsson
Sep 20 '13 at 6:37
5
...
git pull while not in a git directory
Let's say I have a directory, /X/Y , which is a git repository. Is it possible to somehow call a command like git pull from inside /X , but targeting the /X/Y directory?
...
Script parameters in Bash
...-from and -to in the command, they will end up in these variables too, so for this:
./ocrscript.sh -from /home/kristoffer/test.png -to /home/kristoffer/test.txt
You'll get:
$0 # ocrscript.sh
$1 # -from
$2 # /home/kristoffer/test.png
$3 # -to
$4 # /home/kristoffer/test.txt
It mig...
How do I implement interfaces in python?
...n't have to have them in Python.
That said, there are still several uses for interfaces. Some of them are covered by Pythons Abstract Base Classes, introduced in Python 2.6. They are useful, if you want to make base classes that cannot be instantiated, but provide a specific interface or part of an...
Change the maximum upload file size
I have a website hosted on a PC I have no access to. I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
...
How to extract a string using JavaScript Regex?
...he m flag:
multiline; treat beginning and end characters (^ and $) as working
over multiple lines (i.e., match the beginning or end of each line
(delimited by \n or \r), not only the very beginning or end of the
whole input string)
Also put the * in the right place:
"DATE:20091201T22000...
Private and protected constructor in Scala
...e been curious about the impact of not having an explicit primary constructor in Scala, just the contents of the class body.
...
ReactJS state vs prop
...ding that line between answerable and opinionated, but I'm going back and forth as to how to structure a ReactJS component as complexity grows and could use some direction.
...