大约有 10,000 项符合查询结果（耗时：0.0223秒） [XML]
echo that outputs to stderr
...h facilitates reading:
>&2 echo "error"
>&2 copies file descriptor #2 to file descriptor #1. Therefore, after this redirection is performed, both file descriptors will refer to the same file: the one file descriptor #2 was originally referring to. For more information see the Bash H...
Actual meaning of 'shell=True' in subprocess
...ll are nontrivial, you now require the reader and maintainer of the Python script (which may or may not be your future self) to understand both Python and shell script. Remember the Python motto "explicit is better than implicit"; even when the Python code is going to be somewhat more complex than t...
Using the last-child selector
...
If you think you can use Javascript, then since jQuery support last-child, you can use jQuery's css method and the good thing it will support almost all the browsers
Example Code:
$(function(){
$("#nav li:last-child").css("border-bottom","1px solid ...
What is the minimum I have to do to create an RPM file?
...ompany.com/
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
%description
%{summary}
%prep
%setup -q
%build
# Empty section.
%install
rm -rf %{buildroot}
mkdir -p %{buildroot}
# in builddir
cp -a * %{buildroot}
%clean
rm -rf %{buildroot}
%files
%defattr(-,root,root,-)
%config(nor...
What does git rev-parse do?
...for printing a shorter unique SHA1.
There are other use cases as well (in scripts and other tools built on top of git) that I've used for:
--verify to verify that the specified object is a valid git object.
--git-dir for displaying the abs/relative path of the the .git directory.
Checking if you'...
dyld: Library not loaded … Reason: Image not found
...0)
Manpages: otool install_name_tool
EDIT A while back I wrote a python script (copy_dylibs.py) to work out all this stuff automatically when building an app. It will package up all libraries from /usr/local or /opt/local into the app bundle and fix references to those libraries to use @rpath. ...
Javascript for “Add to Home Screen” on iPhone?
Is it possible to use Javascript to emulate the Add to Home Screen option in Mobile Safari's bookmark menu?
6 Answers
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What is the best way to detect a mobile device?
...ing similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device.
5...
Batch: Remove file extension
I have the following batch script from Wikipedia:
7 Answers
7
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Get exit code of a background process
I have a command CMD called from my main bourne shell script that takes forever.
12 Answers
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