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How do I set up a basic Ruby project?
... for your project.
/bin/ - If your project depends on binaries (JAR files, etc.), they usually go in there.
Inside lib/, the convention is usually to create a folder for each sub-namespace inside your top-level namespace. For example, the class Foo::Bar::Baz is usually found under /lib/foo/bar/baz...
Does Java casting introduce overhead? Why?
...(table of method pointers, plus table of class hierarchy, interface cache, etc) don't change. So the [class] cast checks the type, and if it fits nothing else has to happen.
– Tom Hawtin - tackline
Jan 12 '12 at 20:31
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How to change the background color of the options menu?
... // - is the class whose instance we want to modify to set background etc.
// - is the class we want to instantiate with the standard constructor:
// IconMenuItemView(context, attrs)
// - this is what the LayoutInflater does if we return null
...
Why am I getting a “401 Unauthorized” error in Maven?
...get a 401 Unauthorized error if you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releases repository and that version already exists in the repository. So you might find that by publishing from th...
What are queues in jQuery?
...ts[0].geometry.location;
map.setZoom(13);
map.setCenter(location);
new google.maps.Marker({ map: map, position: location });
}
// geocoder result returned, continue with animations:
next();
}
});
// after we find s...
Using getopts to process long and short command line options
...her the -m 4096 or -m4096 style, mix options and non-options in any order, etc. getopt also outputs an error message if unrecognized or ambiguous options are found.
NOTE: There are actually two totally different versions of getopt, basic getopt and GNU getopt, with different features and different...
Python Infinity - Any caveats?
...
A simple float addition, multiplication, etc will happily produce inf though: f=1.3407807929942597e+154; f*f => inf. It seems rather an exception of ** to raise an OverflowError.
– eregon
Jan 6 '15 at 21:32
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What is the proper REST response code for a valid request but an empty data?
... 404:
200 should be returned with the body of whatever you successfully fetched. Not appropriate when the entity you're fetching doesn't exist.
202 is used when the server has begun work on an object but the object isn't fully ready yet. Certainly not the case here. You haven't begun, nor will ...
Making 'git log' ignore changes for certain paths
..., all changes to those files will be ignored by git status, git commit -a, etc. When you're ready to commit those files, just reverse it:
git update-index --no-skip-worktree path/to/file
and commit as normal.
share
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What really is a deque in STL?
...push_Front happens you just push at the end i.e. at position 999, then 998 etc. until the two ends meet. Then you reallocate (with exponential growth to guarantee amortizet constant times) just like you would do with a ordinary vector. So effectively you just need one additional pointer to first el....