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Good Java graph algorithm library? [closed]
Has anyone had good experiences with any Java libraries for Graph algorithms. I've tried JGraph and found it ok, and there are a lot of different ones in google. Are there any that people are actually using successfully in production code or would recommend?
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How does Dijkstra's Algorithm and A-Star compare?
I was looking at what the guys in the Mario AI Competition have been doing and some of them have built some pretty neat Mario bots utilizing the A* (A-Star) Pathing Algorithm.
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sed edit file in place
I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
Set transparent background using ImageMagick and commandline prompt
Suppose you have any image (PNG or JPG).
This image has a white background and I need to make this background transparent.
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How to throw a C++ exception
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Simple:
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can throw. Keep in mind ...
Are there any standard exit status codes in Linux?
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8 bits of the return code and 8 bits of the number of the killing signal are mixed into a single value on the return from wait(2) & co..
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#incl...
What is the difference between Step Into and Step Over in the Eclipse debugger?
I want to debug the whole flow of a Java program. What is the difference between F5 (step into) and F6 (step over) in eclipse?
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Git blame — prior commits?
Is it possible to see who edited a specific line before the commit reported by git blame , like a history of commits for a given line?
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Find the version of an installed npm package
How to find the version of an installed node.js/npm package ?
27 Answers
27
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Formatting floats without trailing zeros
How can I format a float so that it doesn't contain trailing zeros? In other words, I want the resulting string to be as short as possible.
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