大约有 42,000 项符合查询结果（耗时：0.0286秒） [XML]
Finding Number of Cores in Java
...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source
– JW.
Jun 16 '12 at 9:38
...
rsync: difference between --size-only and --ignore-times
I'm trying to understand what the difference is between two options
4 Answers
4
...
Getting name of windows computer running python script?
...s cries out for a follow-up: what's the difference between platform.node() and socket.gethostname() ? can they ever be different?
– Jason S
Mar 11 '11 at 22:52
4
...
Focus-follows-mouse (plus auto-raise) on Mac OS X
...
You can do it for Terminal.app by issuing the following command at the command line:
defaults write com.apple.Terminal FocusFollowsMouse -bool true
For X11 apps you can do this:
defaults write com.apple.x11 wm_ffm -bool true
In Snow Leopard, use this instead:
defaults write org...
How do I get the name of the active user via the command line in OS X?
How do I get the name of the active user via the command line in OS X?
12 Answers
12
...
Can you do a partial checkout with Subversion?
If I had 20 directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk?
...
How do I install pip on macOS or OS X?
...
If you are behind a proxy, make sure http_proxy and https_proxy are set correctly, then use the '-E' option with sudo: sudo -E easy_install pip
– Neil Schaper
Aug 4 '14 at 20:10
...
What does enumerate() mean?
...te function works as follows:
doc = """I like movie. But I don't like the cast. The story is very nice"""
doc1 = doc.split('.')
for i in enumerate(doc1):
print(i)
The output is
(0, 'I like movie')
(1, " But I don't like the cast")
(2, ' The story is very nice')
...
How to install Xcode Command Line Tools
How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later?
13 Answ...
COALESCE Function in TSQL
... same data-type. (If they're not the same data-type, they get implicitly cast to an appropriate data-type using data-type order of precedence.)
It's like ISNULL() but for multiple parameters, rather than just two.
It's also ANSI-SQL, where-as ISNULL() isn't.
...