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 …
The best shortest path algorithm - Stack Overflow
The algorithm has the same worst case complexity as Djikstra's, but in the average case the expected runtime is linear in the size of the graph, which is much faster than the pure Dijkstra. …
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 - 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 - how do I create a line of arbitrary thickness using ...
Here is a paper and Delphi implementation of a modified version of Bresenham's algorithm for drawing thickened lines. You may also want to take a look at Anti-Grain Geometry , a library …
algorithm - Fastest way to search for an element in unsorted array ...
Oct 5, 2011 · What will be the efficiency of algorithm that makes use of partition approach applied during quick-sort as follows? Randomly select some value (let us call it v) in the list. Partition …
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 …
algorithm - Polynomial time and exponential time - Stack Overflow
Mar 22, 2019 · The fantastic answer at: What would cause an algorithm to have O(log log n) complexity? gives an intuitive explanation of where the O(log log n) comes from: while log n …
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 …
algorithm - Peak signal detection in realtime timeseries data
Robust peak detection algorithm (using z-scores) I came up with an algorithm that works very well for these types of datasets. It is based on the principle of dispersion: if a new datapoint is a …