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How can I check if a string is null or empty in PowerShell?
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I agree with this solution better from a scripting standpoint. As always, Keith Hill has the correct solution! Thanks.
– Vippy
May 29 '15 at 17:27
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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...
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...
Using the last-child selector
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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 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...
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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Batch: Remove file extension
I have the following batch script from Wikipedia:
7 Answers
7
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