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Tag Archives: Technology/Internet
Computer Algorithms: Insertion Sort
Overview Sorted data can dramatically change the speed of our program, therefore sorting algorithms are something quite special in computer science. For instance searching in a sorted list is faster than searching in an unordered list. There are two main … Continue reading
Posted in algorithms, PHP
Tagged Algorithm, Application This algorithm, binary search, Insertion sort, Linear search, Merge sort, PHP, player, Quicksort, Selection sort, sequential search, Sort, Sorting algorithms, Strand sort, Technology/Internet, therefore sorting algorithms, typical algorithm
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Computer Algorithms: Data Compression with Prefix Encoding
Overview Prefix encoding, sometimes called front encoding, is yet another algorithm that tries to remove duplicated data in order to reduce its size. Its principles are simple, however this algorithm tend to be difficult to implement. To understand why, first … Continue reading
Computer Algorithms: Data Compression with Relative Encoding
Overview Relative encoding is another data compression algorithm. While run-length encoding, bitmap encoding and diagram and pattern substitution were trying to reduce repeating data, with relative encoding the goal is a bit different. Indeed run-length encoding was searching for long … Continue reading
Posted in algorithms
Tagged Africa, Algorithm, Algorithmic efficiency, Application This algorithm, Computing, Data compression, data compression algorithm, Google Inc., JSON, Lossless data compression, Mathematics, PHP, Run-length encoding, San Francisco, Technology/Internet, web server, west coast, Yahoo! Communications Europe Ltd.
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JavaScript Performance: for vs. while
JavaScript Loops If you have read some preformance tests on JavaScript loops, you may have heard that “while” is faster than “for”. However the question is how faster is “while”? Here are some results, but first let’s take a look … Continue reading
Computer Algorithms: Data Compression with Bitmaps
Overview In my previous post we saw how to compress data consisting of very long runs of repeating elements. This type of compression is known as “run-length encoding” and can be very handy when transferring data with no loss. The … Continue reading