大约有 2,540 项符合查询结果（耗时：0.0222秒） [XML]
How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
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Sadly, the Unix shell language (most of which is not specific to 'bash') is one of the least internally consistent programming languages still in wide use today. You're going to have to learn lots more of these little warts. And I'd ...
How to generate a Dockerfile from an image?
...ge from your example? /usr/lib/ruby/gems/2.2.0/gems/excon-0.45.4/lib/excon/unix_socket.rb:14:in `connect_nonblock': Connection refused - connect(2) for /var/run/docker.sock (Errno::ECONNREFUSED) (Excon::Errors::SocketError)
– long
May 18 '16 at 15:52
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Why does Java allow us to compile a class with a name different than the file name?
... The combination of Emacs (or Vim, pick your poison) and the Unix shell utilities are perhaps not as everything-at-your-fingertips as a modern IDE, and they're certainly harder to learn, but they have two overwhelming advantages compared to every IDE I've ever tried: they never crash, ...
Calling C/C++ from Python?
...int fact(int n);
%}
extern int fact(int n);
Building a Python module on Unix:
swig -python example.i
gcc -fPIC -c example.c example_wrap.c -I/usr/local/include/python2.7
gcc -shared example.o example_wrap.o -o _example.so
Usage:
>>> import example
>>> example.fact(5)
120
N...
Easy way to pull latest of all git submodules
... implement the script as it is very capable in these areas. If you are on unix/linux, then I suggest just a bash script.
Need any clarifications? Just post a comment.
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How to run Maven from another directory (without cd to project dir)?
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I don't think maven supports this. If you're on Unix, and don't want to leave your current directory, you could use a small shell script, a shell function, or just a sub-shell:
user@host ~/project$ (cd ~/some/location; mvn install)
[ ... mvn build ... ]
user@host ~/projec...
Fetch frame count with ffmpeg
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In Unix, this works like charm:
ffmpeg -i 00000.avi -vcodec copy -acodec copy -f null /dev/null 2>&1 | grep 'frame=' | cut -f 2 -d ' '
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Finding local IP addresses using Python's stdlib
...0583}: 10.5.9.207
Author of this module claims it should work on Windows, UNIX and Mac OS X.
How can I change the cache path for npm (or completely disable the cache) on Windows?
...o set an environment variable with export npm_config_cache=/path/to/cache (Unix) or set npm_config_cache=C:\path\to\cache (Win) as an alternative to npm config set (this is true for all config options in npm).
For anyone using docker you can add the env var at runtime with:
docker run -e npm_con...
How do I close a connection early?
...solution is to fork a background process. It is fairly straight forward on unix/linux:
<?php
echo "We'll email you as soon as this is done.";
system("php somestuff.php dude@thatplace.com >/dev/null &");
?>
You should look at this question for better examples:
PHP execute a backgro...