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How to sort a list in Scala by two fields?

... @SachinK: You could implement customOrdering as Ordering[Row] manually or using Ordering.by like this: val customOrdering = Ordering.by((r: Row) => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.String.reverse, Ordering.String) )` – senia Jun ...
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Finding current executable's path without /proc/self/exe

...e) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using $PATH. Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable be...
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Ensure that HttpConfiguration.EnsureInitialized()

I've installed Visual Studio 2013 and when I run my app I get the error below. 14 Answers ...
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Are unused CSS images downloaded?

... "unused" and thusly, any images won't be downloaded. Chrome 26 (possibly all of them, not sure), does download CSS images if they are applied to the <noscript> element, even when JS is enabled. (It isn't immediately clear to me why though, perhaps this is a bug?). It does not download CSS i...
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How to refer to relative paths of resources when working with a code repository

...Try to use a filename relative to the current files path. Example for './my_file': fn = os.path.join(os.path.dirname(__file__), 'my_file') In Python 3.4+ you can also use pathlib: fn = pathlib.Path(__file__).parent / 'my_file' ...
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Python assigning multiple variables to same value? list behavior

...the same identical value. Variables have types, identities, addresses, and all kinds of stuff like that. Names don't have any of that. Values do, of course, and you can have lots of names for the same value. If you give Notorious B.I.G. a hot dog,* Biggie Smalls and Chris Wallace have a hot dog. ...
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How can you profile a Python script?

... Python includes a profiler called cProfile. It not only gives the total running time, but also times each function separately, and tells you how many times each function was called, making it easy to determine where you should make optimizations. You c...
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What is the difference between the kernel space and the user space?

... The really simplified answer is that the kernel runs in kernel space, and normal programs run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other reso...
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Which rows are returned when using LIMIT with OFFSET in MySQL?

...data between the two digits but now its clear :) – MR_AMDEV Sep 16 '18 at 15:09 add a comment  |  ...
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Get the current script file name

... Just use the PHP magic constant __FILE__ to get the current filename. But it seems you want the part without .php. So... basename(__FILE__, '.php'); A more generic file extension remover would look like this... function chopExtension($filename) { ...