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List all files and directories in a directory + subdirectories

... string[] allfiles = Directory.GetFiles("path/to/dir", "*.*", SearchOption.AllDirectories); where *.* is pattern to match files If the Directory is also needed you can go like this: foreach (var file in allfiles){ FileInfo in...
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Problems with Android Fragment back stack

...Replace an existing fragment that was added to a container. This is essentially the same as calling remove(Fragment) for all currently added fragments that were added with the same containerViewId and then add(int, Fragment, String) with the same arguments given here. then what's happening is like...
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Position icons into circle

...<img> elements into a circle around another and have those elements all be clickable links as well? I want it to look like the picture below, but I have no idea how to achieve that effect. ...
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Detect when an HTML5 video finishes

... Why do you check if e exists? – Allan Stepps Aug 7 '13 at 0:12 3 @AllanStepp...
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How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?

...er=, Logger.new('/dev/null')) Rails::Rack::Logger.class_eval do def call_with_quiet_assets(env) previous_level = Rails.logger.level Rails.logger.level = Logger::ERROR if env['PATH_INFO'] =~ %r{^/assets/} call_without_quiet_assets(env) ensure Rails.logger.level = pre...
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How can I use Autolayout to set constraints on my UIScrollview?

... Apple describes in the Technical Note. I also had a lot of trouble originally getting Auto Layout to work with UIScrollView. The key to getting it to work is making sure that all of the items in the scroll view, taken together, have constraints that eventually link to all sides of the scroll view ...
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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?

... First of all shuffling is the process of transfering data from the mappers to the reducers, so I think it is obvious that it is necessary for the reducers, since otherwise, they wouldn't be able to have any input (or input from every ...
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How do I simulate a hover with a touch in touch enabled browsers?

...s to your CSS as well: .hover { -webkit-user-select: none; -webkit-touch-callout: none; } To stop the browser asking you to copy/save/select the image or whatever. Easy! share | improve ...
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Why do enum permissions often have 0, 1, 2, 4 values?

... bit corresponds to some permission (or whatever the enumerated value logically corresponds to). If these were defined as 1, 2, 3, ... you would not be able to use bitwise operators in this fashion and get meaningful results. To delve deeper... Permissions.Read == 1 == 00000001 Permissions.Writ...
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How do I determine the size of my array in C?

... It should be the case with all compilers, since the results of sizeof is defined as a compile-time constant. – Mark Harrison Sep 22 '13 at 5:39 ...