大约有 2,500 项符合查询结果（耗时：0.0136秒） [XML]
Recommended way to get hostname in Java
...ictly speaking - you have no choice but calling either hostname(1) or - on Unix gethostname(2). This is the name of your computer. Any attempt to determine the hostname by an IP address like this
InetAddress.getLocalHost().getHostName()
is bound to fail in some circumstances:
The IP address might ...
Bash array with spaces in elements
...
If you had your array like this:
#!/bin/bash
Unix[0]='Debian'
Unix[1]="Red Hat"
Unix[2]='Ubuntu'
Unix[3]='Suse'
for i in $(echo ${Unix[@]});
do echo $i;
done
You would get:
Debian
Red
Hat
Ubuntu
Suse
I don't know why but the loop breaks down the spaces and put...
UNIX export command [closed]
...
Unix
The commands env, set, and printenv display all environment variables and their values. env and set are also used to set environment variables and are often incorporated directly into the shell. printenv can also be use...
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
...r "Unknown Apple platform"
#endif
#elif __linux__
// linux
#elif __unix__ // all unices not caught above
// Unix
#elif defined(_POSIX_VERSION)
// POSIX
#else
# error "Unknown compiler"
#endif
The defined macros depend on the compiler that you are going to use.
The _WIN64 #ifdef ...
How do I find the location of the executable in C? [duplicate]
...
To summarize:
On Unixes with /proc really straight and realiable way is to:
readlink("/proc/self/exe", buf, bufsize) (Linux)
readlink("/proc/curproc/file", buf, bufsize) (FreeBSD)
readlink("/proc/self/path/a.out", buf, bufsize) (Solaris)
O...
What's the best CRLF (carriage return, line feed) handling strategy with Git?
...ocrlf=true if you like
DOS ending or core.autocrlf=input if you prefer
unix-newlines. In both cases, your Git repository will
have only LF, which is the Right Thing. The only
argument for core.autocrlf=false was that automatic
heuristic may incorrectly detect some binary as text
and then...
Bash syntax error: unexpected end of file
...
I think file.sh is with CRLF line terminators.
run
dos2unix file.sh
then the problem will be fixed.
You can install dos2unix in ubuntu with this:
sudo apt-get install dos2unix
share
|
...
How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
I have a Python datetime object that I want to convert to unix time, or seconds/milliseconds since the 1970 epoch.
13 Ans...
What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
...s "opt" mean (as in the "opt" directory)? I commonly see this directory in Unix systems with development tools inside.
5 An...
OS specific instructions in CMAKE: How to?
...
Use
if (WIN32)
#do something
endif (WIN32)
or
if (UNIX)
#do something
endif (UNIX)
or
if (MSVC)
#do something
endif (MSVC)
or similar
see CMake Useful Variables
and CMake Checking Platform
...