How does a 'diff' algorithm work, e.g. in VCDIFF and DiffMerge?
An O(ND) Difference Algorithm and its Variations (1986, Eugene W. Myers) is a fantastic paper and you may want to start there. It includes pseudo-code and a nice visualization of the graph …
algorithm - Finding all possible combinations of numbers to reach …
Jan 8, 2011 · Here is a Java version which is well suited for small N and very large target sum, when complexity O(t*N) (the dynamic solution) is greater than the exponential algorithm. My …
algorithm - Calculate distance between two latitude-longitude …
Aug 26, 2008 · Some of the answers do refer to Vincenty's formula for ellipsoids, but that algorithm was designed for use on 1960s' era desk calculators and it has stability & accuracy …
algorithm - Difference between Big-O and Little-O Notation
Sep 1, 2009 · Stuff you know: A common way to classify algorithms is by runtime, and by citing the big-Oh complexity of an algorithm, you can get a pretty good estimation of which one is …
Big O, how do you calculate/approximate it? - Stack Overflow
Dec 19, 2019 · Big-O does not measure efficiency; it measures how well an algorithm scales with size (it could apply to other things than size too but that's what we likely are interested here) - …
algorithm - Difference and advantages between dijkstra & A star
Oct 23, 2012 · If I need the algorithm to run in milliseconds, when does A* become the most prominent choice. Not quite, it depends on a lot of things. If you have a decent heuristic …
jwt - RS256 vs HS256: What's the difference? - Stack Overflow
Aug 31, 2016 · One small correction, "HS256 (HMAC with SHA-256), on the other hand, is a symmetric algorithm" - HMAC does not utilize a symmetric-key algorithm (which would allow …
JSchException: Algorithm negotiation fail - Stack Overflow
I am trying to connect to remote sftp server over ssh with JSch (0.1.44-1) but during session.connect(); I am getting this exception: com.jcraft.jsch.JSchException: Algorithm …
How can I determine whether a 2D Point is within a Polygon?
Oct 20, 2008 · Here's an algorithm faster than everybody else's algorithm for most cases. It's new and elegant. We spend O(n * log(n)) time building a table that will allow us to test point-in …
algorithm - How to find convex hull in a 3 dimensional space
Aug 24, 2013 · Since the algorithm spends O(n) time for each convex hull vertex, the worst-case running time is O(n2). However, if the convex hull has very few vertices, Jarvis's march is …