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How to remove files and directories quickly via terminal (bash shell) [closed]

...-type d -prune -o -print -exec rm -rf {} \; Essentially it uses regex to select the directories to exclude from the results then removes the remaining files. Just wanted to put it out here in case someone else needed it. s...
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Whether a variable is undefined [duplicate]

... jQuery.val() and .text() will never return 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do: if(page_name != '') For other variables that don't come from something like jQuery.val(...
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Force re-download of release dependency using Maven

... It's also possible to selectively delete the dependencies that you know need to be refreshed from inside the repository. A manual purge, if you will. – jpaugh Jul 27 '16 at 14:56 ...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

...ses a ThreePaneLayout to hold a pair of ListFragment widgets and a Button. Selecting something in the left fragment adds (or updates the contents of) the middle fragment. Selecting something in the middle fragment sets the caption of the Button, plus executes hideLeft() on the ThreePaneLayout. Press...
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find all unchecked checkbox in jquery

... As the error message states, jQuery does not include a :unchecked selector. Instead, you need to invert the :checked selector: $("input:checkbox:not(:checked)") share | improve this answe...
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Regex - Should hyphens be escaped? [duplicate]

Hyphen is a special character in regex, for instance, to select a range, I could do something like: 3 Answers ...
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Manipulating an Access database from Java without ODBC

...db"); Statement s = conn.createStatement(); ResultSet rs = s.executeQuery("SELECT [LastName] FROM [Clients]"); while (rs.next()) { System.out.println(rs.getString(1)); }   Disclosure At the time of writing this Q&A I had no involvement in or affiliation with the UCanAccess project; I ju...
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How do I get the computer name in .NET

... new ManagementObjectSearcher("root\\CIMV2", "SELECT Name FROM Win32_ComputerSystem"); foreach (ManagementObject queryObj in searcher.Get()) { Console.WriteLine("-----------------------------------"); Console.Write...
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How to disable breadcrumbs in Eclipse

...minds us below that you can right-click on any icon on the breadcrumb, and select the entry named "Hide Breadcrumb". Original answer (manual way, through key mapping) Find the file org.eclipse.help.webapp\advanced\breadcrumbs.css and replace its contents with. .help_breadcrumbs { disp...
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How do I clear the terminal screen in Haskell?

How can I clear a terminal screen after my user has selected an option from my application's menu? 8 Answers ...