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Data Mining Ruby

Udemy: Mining course list with a crawler in Ruby

Udemy is one of the most popular online course platforms. Personally, I like it more because of its usability (both web and mobile), lifelong access and it also has some really good paid courses that occasionally becomes available for…


Threads in Ruby: sending parallel HTTP requests

Most computer programs usually runs in a single thread (sequential execution flow). But the main program can be splited in many threads so they can be concurrently executed, which improves algorithm performance (specially on multi-core CPU’s, where those threads…