Reliable, Scalable, and Maintainable Applications Intro applications today more data-intensive than compute intensive need to store data (dbs), remember expensive operations (cache), allow users to search (indexes), send a message to another process async (stream processing), periodically crunch a large amount of data (batch) Thinking About Data Systems wide-ranging requirements handled by stitching different tools… Continue reading Designing Data-Intensive Applications

Changing Software Four reasons to change software adding a feature fixing a bug improving design optimizing resource usage Adding features and fixing bugs some argue whether something is a bug fix vs feature more important distinction is behavior i.e. adding or changing Improving Design (Refactoring) keep behavior intact programmers avoid because easy to lose behavior… Continue reading Working Effectively with Legacy Code

A Scalable Language Intro “scalable language” mix of oop and fp flexible: good for scripts or complex systems A language that grows on you feel of modern scripting language can extend and adapt library abstractions like bazaar: designed and extended by users can define classes that look like built-in types e.g. BigInt can build customized… Continue reading Programming in Scala

A Pragmatic Philosophy Intro think about big picture context lets you know how good software needs to be you work with people so communicate! The cat ate my source code Don’t be afraid to admit ignorance or error Must actively agree to responsibility but will be held accountable Should nota agree if impossible or extremely… Continue reading The Pragmatic Programmer