Incident Commander

Crystal string and heredoc with escaped characters for JSON

TLDR: Clarify a problem why some JSON content could be not parsable via directives and how to fix it

require "json"

How to begin with Traces in Crystal

TL;DR: Primitve two code examples to start working with Traces

Crystal detects Emoji symbols in String

Problem is to identify unicode characters that has different byte size, but single symbol in render. Such of the symbols Emoji.

subject = "🇺🇦 Ukraine"
puts subject.size
> 10

puts subject.bytesize
> 16

Dockerfile for a Crystal application

Build a space-effective docker image for a Crystal application

Medup backups articles

I am glad to present you my little project Medup to export Medium posts in…

Build and Read Crystal

How simple to build a crystal binary from sources?

Convert laptop to a router for Telekom.de network

How to automate building local virtual machines with Packer

Convert Github Issue to Pull request

Manage Github issues more effectively with command line tool.