大约有 47,000 项符合查询结果（耗时：0.0652秒） [XML]
An example of how to use getopts in bash
...
#!/bin/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit 1; }
while getopts ":s:p:" o; do
case "${o}" in
s)
s=${OPTARG}
((s == 45 || s == 90)) || usage
;;
p)
...
How to create a cron job using Bash automatically without the interactive editor?
...
20 Answers
20
Active
...
Timeout command on Mac OS X?
...
130
You can use
brew install coreutils
And then whenever you need timeout, use
gtimeout
..ins...
unable to start mongodb local server
...Cumulo Nimbus
5,87455 gold badges3939 silver badges6060 bronze badges
answered Jan 31 '13 at 12:03
morphymorphy
1,77911 gold badge...
Can C++ code be valid in both C++03 and C++11 but do different things?
Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled?
...
How do I remove a property from a JavaScript object?
...
answered Oct 16 '08 at 10:58
nickfnickf
482k187187 gold badges607607 silver badges703703 bronze badges
...
What's the difference between eval, exec, and compile?
... as an expression, so it really does not return anything).
In versions 1.0 - 2.7, exec was a statement, because CPython needed to produce a different kind of code object for functions that used exec for its side effects inside the function.
In Python 3, exec is a function; its use has no effect ...
Is there a float input type in HTML5?
...
+50
The number type has a step value controlling which numbers are valid (along with max and min), which defaults to 1. This value is also...
How to convert number to words in java
...
107
Here is the code, I don't think there is any method in SE.
It basically converts number to str...
Get exit code of a background process
...
130
1: In bash, $! holds the PID of the last background process that was executed. That will tell y...