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Validating URL in Java
I wanted to know if there is any standard APIs in Java to validate a given URL?
I want to check both if the URL string is right i.e. the given protocol is valid and then to check if a connection can be established.
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When to use ref and when it is not necessary in C#
I have a object that is my in memory state of the program and also have some other worker functions that I pass the object to to modify the state. I have been passing it by ref to the worker functions. However I came across the following function.
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C++ const map element access
...ut_of_range exception. (This is similar to the behaviour of at() for deque and vector.)
Because of this behaviour it makes sense for there to be a const overload of at(), unlike operator[] which always has the potential to change the map.
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Where can I find my .emacs file for Emacs running on Windows?
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Copy and pasted from the Emacs FAQ, http://www.gnu.org/software/emacs/windows/:
Where do I put my init file?
On Windows, the .emacs file may be called _emacs for backward compatibility with DOS and FAT filesystems where filename...
onTouchListener warning: onTouch should call View#performClick when a click is detected
...hod, so you should actually return "true" instead?
– android developer
Aug 17 '14 at 12:27
@longilong Well if you wish...
Android read text raw resource file
...for large resources. It depends on the size of the inputstream read buffer and could only return a part of the resource.
– d4n3
Jun 29 '12 at 6:19
6
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LINQ query to return a Dictionary
...ction of MyClass that I'd like to query using LINQ to get distinct values, and get back a Dictionary as the result, but I can't figure out how I can do it any simpler than I'm doing below. What would some cleaner code be that I can use to get the Dictionary as my result?
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Running a command as Administrator using PowerShell?
You know how if you're the administrative user of a system and you can just right click say, a batch script and run it as Administrator without entering the administrator password?
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How to change the map center in Leaflet.js
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map.flyTo([40.737, -73.923], 8) if you want to zoom and animate as well
– Martin Belcher - AtWrk
Dec 10 '18 at 15:51
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Git diff -w ignore whitespace only at start & end of lines
...if you want a built in solution.
However, if you don't mind getting your hands dirty there's a rather old patch floating out there somewhere that adds support for "--ignore-space-at-sol".
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