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Extract hostname name from string

I would like to match just the root of a URL and not the whole URL from a text string. Given: 27 Answers ...
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In C#, what is the difference between public, private, protected, and having no access modifier?

All my college years I have been using public , and would like to know the difference between public , private , and protected ? ...
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What does $$ mean in the shell?

...me for a variety of reasons. For temporary file names, use the mktemp command. share | improve this answer | follow | ...
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Decreasing height of bootstrap 3.0 navbar

...28px; } Work with Bootstrap 3.3.4 .navbar-nav > li > a, .navbar-brand { padding-top:4px !important; padding-bottom:0 !important; height: 28px; } .navbar {min-height:28px !important;} Update Complete code to customize and decrease height of navbar with screenshot. CSS: /* ...
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Is REST DELETE really idempotent?

...quests is the same as for a single request. The methods GET, HEAD, PUT and DELETE share this property. Also, the methods OPTIONS and TRACE SHOULD NOT have side effects, and so are inherently idempotent. " The key bit there is the side-effects of N > 0 identical requests is the same a...
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How can I log the stdout of a process started by start-stop-daemon?

... To expand on ypocat's answer, since it won't let me comment: start-stop-daemon --start --quiet --chuid $DAEMONUSER \ --make-pidfile --pidfile $PIDFILE --background \ --startas /bin/bash -- -c "exec $DAEMON $DAEMON_ARGS ...
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Understanding scala enumerations

I have to say I don't understand Scala enumeration classes. I can copy-paste the example from documentation, but I have no idea what is going on. ...
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Call a controller function from a directive without isolated scope in AngularJS

... Since the directive is only calling a function (and not trying to set a value on a property), you can use $eval instead of $parse (with a non-isolated scope): scope.$apply(function() { scope.$eval(attrs.confirmAction); }); Or better, simply just use $apply, which wi...
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Calling pylab.savefig without display in ipython

...thin IPython notebook. I am not clear on the interaction between IPython and matplotlib.pylab in this regard. But, when I call pylab.savefig("test.png") the current figure get's displayed in addition to being saved in test.png . When automating the creation of a large set of plot files, this ...
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Diff output from two programs without temporary files

Say I have too programs a and b that I can run with ./a and ./b . 6 Answers 6 ...