A copy of the chapter 14 about Caching of the “Learn Rails 5.2” book (Amazon Link, Apress Link) which was published in April 2018 by…
When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong. The only way of discovering the limits of the possible is to venture a little way past them into the impossible. Any sufficiently advanced technology is indistinguishable from magic.
tl;dr: Event Sourcing is to data what Git is to code. We’ve implemented a minimal event sourcing framework at Kickstarter to power d.rip…
Simplify string processing in Python 3.6.5 and later
Stuxnet worm crypto security
Introduction As I was browsing the web and catching up on some sites I visit periodically, I found a cool article from Tom Hayden about using Amazon Elastic Map Reduce (EMR) and mrjob in order to compute some statistics on win/loss ratios for chess games he downloaded from the millionbase archive, and generally have fun with EMR. Since the data volume was only about 1.75GB containing around 2 million chess games, I was skeptical of using Hadoop for the task, but I can understand his goal of learning and having fun with mrjob and EMR.
List and specifications of lenses for Fourr Thirds system cameras, mostly the Olympus E-System
An introduction to the future of data science
Rewriting deprecated APIs with parser gem In upcoming Rails Event Store release we’re going to deprecate existing reader methods. They’ll be replaced in favor of fluent query interface — popularized by ActiveRecord. In order to make this transition a bit easier, we’ve prepared a script to transform given codebase to utilize new APIs.
exception: false and exception: true
You work in a 100 floor building and you get 2 identical eggs. You need to figure out the highest floor an egg can be dropped without breaking. Find an algorithm that is minimizing number of throws in the worst-case scenario.
The History of Processing by Casey Reas and Ben Fry
Web performance is an extremely important metric in the digital world. Learn tools and tricks for its improvement and enjoy both better Rails-related and General Web performance.
I stumbled upon the Datamuse API the other day as I was looking for thesaurus-like data for some small app I am currently toying with. If…
A pratical use case of using Concurrent Ruby in Rails applications without swalloing the exceptions
Ruby comes distributed with a vast standard library. We only use a fraction of it, usually. Everyone knows date, set, json, maybe even csv. But there are man...
Wharel is a tiny little gem that uses the empty room pattern to make Arel queries easier to build.