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How to create the branch from specific commit in different branch

...f A, you won't get the changes introduced in B. Same here, you had two parallel branches master and dev, which you merged in dev. Branching out from a commit of master (older than the merge) won't provide you with the changes of dev. If you want to permanently integrate new changes from master i...
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Is Ruby pass by reference or by value?

...en I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable. 13 An...
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?

... This actually refers to the Delta between layout position from iOS6 to iOS7. In iOS7, some views can hide the status bar or have it transparent and, in effect, it is overlaid on top of your view. So if you put a UI element at (0.0...
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Is unsigned integer subtraction defined behavior?

... not restricted to overflow of the upper bound of the type, and applies equally to values too low to be represented. share | improve this answer | follow | ...
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?

I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
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Difference between Grunt, NPM and Bower ( package.json vs bower.json )

...s, but what's most up to date in 2016 is not using Bower, Grunt or Gulp at all! With help of Webpack you can do everything directly in NPM! Google "npm as build tool" result: https://medium.com/@dabit3/introduction-to-using-npm-as-a-build-tool-b41076f488b0#.c33e74tsa Webpack: https://webpack.githu...
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How to declare a structure in a header that is to be used by multiple files in c?

...ting it in an header file, and include this header file whenever needed. shall we open a new header file and declare the structure there and include that header in the func.c? This is the solution I like more, because it makes the code highly modular. I would code your struct as: #ifndef SOME_HEADER...
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How to check whether a pandas DataFrame is empty?

...[8]: len(df1.columns) Out[8]: 0 In [9]: len(df2.columns) Out[9]: 2 Critically, while the second dataframe df2 contains no data, it is not completely empty because it returns the amount of empty columns that persist. Why it matters Let's add a new column to these dataframes to understand the implic...
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How do CUDA blocks/warps/threads map onto CUDA cores?

I have been using CUDA for a few weeks, but I have some doubts about the allocation of blocks/warps/thread. I am studying the architecture from a didactic point of view (university project), so reaching peak performance is not my concern. ...
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HEAD and ORIG_HEAD in Git

..., and it is a commit on top of which "git commit" would make a new one. Usually HEAD is symbolic reference to some other named branch; this branch is currently checked out branch, or current branch. HEAD can also point directly to a commit; this state is called "detached HEAD", and can be understood...