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MPICH vs OpenMPI
...make it the preferred implementation in nearly all cases.
Feature Support from the Latest MPI Standard
An orthogonal axis to hardware/platform support is coverage of the MPI standard. Here MPICH is usually far and away superior. MPICH has been the first implementation of every single release of ...
How can I add remote repositories in Mercurial?
...an default-push is only necessary/useful if your usual push target differs from your usual pull source. If they're the same (or you never pull) then default suffices.
– Ry4an Brase
Jun 10 '12 at 0:18
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Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
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Where are you calling this method from? I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view controller...
How to avoid .pyc files?
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From "What’s New in Python 2.6 - Interpreter Changes":
Python can now be prevented from
writing .pyc or .pyo files by
supplying the -B switch to the Python
interpreter, or by setting the
PYTHONDONTWRITEBYTECODE ...
How do I render a partial of a different format in Rails?
...his question, but this filled my need of easily rendering an HTML template from within an RJS one of the same name after hoping that a :format option would work. Thanks!
– ches
Mar 20 '13 at 16:18
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How can I dynamically set the position of view in Android?
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from the docs of setTop()developer.android.com/reference/android/view/…: sets the top position of this view relative to its parent. This method is meant to be called by the layout system and should not generally be called o...
psql: FATAL: role “postgres” does not exist
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NOTE: If you installed postgres using homebrew, see the comment from @user3402754 below.
Note that the error message does NOT talk about a missing database, it talks about a missing role. Later in the login process it might also stumble over the missing database.
But the first step is ...
How to access the GET parameters after “?” in Express?
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Mind that req.params is different from req.query! expressjs.com/en/api.html#req.params expressjs.com/en/api.html#req.query @adelriosantiago
– caesarsol
Jan 14 '19 at 11:28
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Undefined, unspecified and implementation-defined behavior
...cts of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in a predictable way, even though many C++ compilers will not report any errors in the program!...
What are the primary differences between Haskell and F#? [closed]
...teed that if you call f(x), nothing else happens besides returning a value from the function, such as console output, database output, changes to global or static variables.. and although Haskell can have non pure functions (through monads), it must be 'explicitly' implied through declaration.
Pure...