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R data formats: RData, Rda, Rds etc

... name, for instance. You may readRDS() and save(), or load() and saveRDS() selectively. share | improve this answer | follow | ...
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Finding what branch a Git commit came from

...ere over 200 candidate branches) to track down the path to each commit. Selection of a particular --reference-branch --reference tag to examine will be hundreds of times faster (if you have hundreds of candidate branches). EXAMPLES # git-what-branch --all 1f9c381fa3e0b9b9042e310c69df87eaf...
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)

... Read the slice syntax array[x,y] as "starting after x elements in array, select up to y elements". This is only meaningful if array has at least x elements. share | improve this answer | ...
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How do I use CSS in Django?

... Just a quick note on those Django docs - make sure you select the documents for the version of Django you're using. Things appear to have changed a lot between versions with regard to static files. – Sam Starling Nov 3 '10 at 11:09 ...
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How to get ALL child controls of a Windows Forms form of a specific type (Button/Textbox)?

...ar controls = control.Controls.Cast<Control>(); return controls.SelectMany(ctrl => GetAll(ctrl,type)) .Concat(controls) .Where(c => c.GetType() == type); } To test it in the form load event I wanted a count of all control...
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How would I run an async Task method synchronously?

...ng a Task<Task<MyResult>>. The correct overload of Task.Run is selected either way, but the async delegate makes your intent obvious. – Michael L Perry
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Why are all fields in an interface implicitly static and final?

...ich are required to perform operations on an object of the interface type. Selecting a code path on the implementing class is a kludge. The workaround which I use is to define an interface function and implement it by returning a literal: public interface iMine { String __ImplementationConstant...
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How can I configure my makefile for debug and release builds?

...lds. Supports ... separate project directories for specific builds easy selection of a default target build silent prep target to create directories needed for building the project build-specific compiler configuration flags GNU Make's natural method of determining if project requires a rebuild p...
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TFS checkin error - could not find file

...rectly from the Source Control Explorer. I right-clicked the project, then selected "Undo Pending Changes...", and it disappeared magically! I never expected that "undo pending changes" would remove the entire folder. TFS is unique in this regard. – Hong Apr 9 ...
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Retrieve a Fragment from a ViewPager

... If all you need to do is get the currently selected Fragment, this is all you need - the method setPrimaryItem is set on attach and also on every updated to the internal set of the Fragment as the current item. – Graeme Jul 17 '1...