Textual data-encoding formats like - JSON - XML - CSV Make it easy for humans to understand what's being transferred Binary data encoding formats like - Thrift - Protocol Buffers - Avro Aren't human readable (without decoding), but more compact and efficient
Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage agilemanifesto .org
Rehashing changes the size of the underlying data structure and remaps the entries to new bucket locations.
The difference between theory and practice is smaller in theory than in practice
If you want to learn GPC or AWS, create a free account and build something You'll get a better understanding of how different services work and when to use them This practical experience will help you learn common workflows, commands, and even prepare for a certification
"Nothing in the world can take the place of persistence Talent: nothing is more common than unsuccessful talented men Genius: unrewarded genius is almost a proverb Education: the world is full of educated derelicts Persistence and determination alone are omnipotent"
Functional programming is a programming paradigm where programs are constructed by applying and composing functions. Functions are "first-class citizens" (treated like any other type) and can't have side-effects Lisp (1959) is the first functional programming language.
"Programs must be written for people to read, and only incidentally for machines to execute." - Harold Abelson
A program is a building of though The art of programming is the skill of controlling complexity.
"Test doubles are objects that replace real dependencies to enable automated testing. They are the automated testing equivalent of movie stunt people: they take the place of the original since having the real one is expensive or impractical." Excellent analogy by @venkat_s
Interview tip Getting a hard question isn't bad You'll be compared to everyone who has had to solve that problem. If it's hard for you, chances are other candidates also found it hard.
4 Random coding tips Write useful comments Stay humble Don't be afraid to ask for help Keep practicing
"I went to school to learn how to program software applications, which inevitably have bug defects. There was no course at my university on testing, debugging, profiling, or optimization. These things you have to learn on your own, usually in a tight deadline." Juixe TechKnow
"Don't tell people how to do things, tell them what to do and let them surprise you with their results." - George S. Patton
"I am looking for: - a junior developer - with the experience of a senior developer - for the salary of an intern" -- The honest recruiter
The biggest lie in the programming world is that learning to code is hard.
Reminder for new programmers: I have years of programming experience. My colleagues have years of experience too. We end up Googling the most basic things every day.