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Articles

(Aug 20) #ai #neural-networks [Reddit]

Unsupervised Neural Networks are Neural Networks that are not trained with a set of correct answers. Instead they are expected to produce an output only by the given input. A typical example would be to group data into clusters. There are no set groups defined ahead of time, or even how many. The algorithm is expected to come up with a solution based only by the properties of the data it is given. Self Organizing Maps (SOM) is one such algorithm. In this article, Nikola Živković explains the architecture of SOMs and their learning process.

(Aug 18) #design [Hacker News] [Reddit]

According to Wikipedia, Idempotence is "the property of certain operations in mathematics and computer science whereby they can be applied multiple times without changing the result beyond the initial application." This concept is important to keep in mind when designing APIs, especially when you are dealing with monetary transactions; you want to make absolutely sure that your user isn't charged more than once no matter how many times his client retries an API call due to back connection. In this article, Tom Scott explains more.

(Aug 21) #mysql #databases

Henrik Peinar shows us a few tricks up his sleeves on how to define indexes in your databases that are actually utilized in your queries so they perform well. The article not only shows us how to make sure we are doing it correctly, but it digs into SQL to understand how indexes are chosen in the first place.

Bringing Microservices to the Front-End with Micro-Frontends

Benjamin Johnson is a frontend engineer with a passion for clean UIs, easy-to-understand code, and a well-made cup of coffee. You can follow him on Medium @benjamin.d.johnson or visit his website at https://www.benjaminjohnson.me/

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