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How to loop over directories in Linux?

I am writing a script in bash on Linux and need to go through all subdirectory names in a given directory. How can I loop through these directories (and skip regular files)? ...
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Can't compare naive and aware datetime.now()

I am trying to compare the current date and time with dates and times specified in models using comparison operators: 7 Ans...
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UITextField border color

...rtzCore framework in you class: #import <QuartzCore/QuartzCore.h> and for changing the border color use the following code snippet (I'm setting it to redColor), textField.layer.cornerRadius=8.0f; textField.layer.masksToBounds=YES; textField.layer.borderColor=[[UIColor redColor]...
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How do you update Xcode on OSX to the latest version?

...Store Look in the top right for the updates section (may also be in lefthand column "Updates"..) Find Xcode & click Update share | improve this answer | follow ...
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Fragments onResume from back stack

I'm using the compatibility package to use Fragments with Android 2.2. When using fragments, and adding transitions between them to the backstack, I'd like to achieve the same behavior of onResume of an activity, i.e., whenever a fragment is brought to "foreground" (visible to the user) after popin...
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Grant execute permission for a user on all stored procedures in database?

I generated script from old database, created a new database and imported all data from old database. So far so good, however, no user has execute rights for stored procedures. I know I can use ...
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How do I kill all the processes in Mysql “show processlist”?

Because I see a lot of processes there, and the "time" column shows big values for all of them. 23 Answers ...
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How to zip a whole folder using PHP

...added automatically) if (!$file->isDir()) { // Get real and relative path for current file $filePath = $file->getRealPath(); $relativePath = substr($filePath, strlen($rootPath) + 1); // Add current file to archive $zip->addFile($filePath, $re...
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Why does the MongoDB Java driver use a random number generator in a conditional?

...he following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do? ...
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How to cast Object to its actual type?

...e(obj, null); // interface IFoo foo = (IFoo)obj; // where SomeType : IFoo and IFoo declares MyFunction foo.MyFunction(); // dynamic dynamic d = obj; d.MyFunction(); share | improve this answer ...