Archive of category "General programming"

Messagepack-RPC - a fast, simple protocol for microservices
If you care about your RPC performance at all, you should be using a protocol with a persistent connection - and MessagePack-RPC is a great choice for Ruby projects.
August 3, 2016

How I used Let's Encrypt to enable HTTPS on this blog
TL:DR - it was free and took an hour to figure everything out.
December 8, 2015

How to fix PayPal error 589023
If you’re getting error 589023 If the fractional amount is rounded for currency conversion, funds could be lost when creating a PayPal Adaptive Payment, this means that the amount you requested is not rounded to the nearest cent.
September 28, 2012

Что ты должен знать про географические координаты
Короткая шпаргалка для программистов.
May 17, 2012, revised January 30, 2013

Що ти маєш знати про географічні координати
Стисла шпаргалка для програмістів.
May 17, 2012, revised July 15, 2022

I'm doing the Udacity AI course, and you should too
The Udacity project aims to make university-level education available online. Right now they have only two courses available, Programming 101 and AI 373. Both seem equally interesting, with 101 having you code a search engine and 373 focusing on programming robotic cars. I chose the latter.
February 29, 2012

Как отличать локальный сайт от production?
Бывает такая проблема, что путаешь свою версию сайта с production? Она решается ровно одной строчкой в конфиге Apache:
October 16, 2009