Design patterns in 1 tweet Mediator: simplifies communication between classes Ex: Imagine an air traffic controller. All planes communicate with it and receive coordinated instructions from the traffic controller, instead of talking to one another.
Qualities of a good software developer: - Impact - Initiative - Efficient information handling - Inventive
"It goes against the grain of modern education to teach children to program. What fun is there in making plans, acquiring discipline in organizing thoughts, devoting attention to detail and learning to be self-critical?" - Alan J. Perlis
3 JavaScript interview questions What's the difference between the in operator and the hasOwnProperty method in objects? What is the use Function.prototype.apply method? What is memoization and what's the use it?
Most of your time as a programmer is spent fixing broken stuff you've written. Assume it.
Amazon DynamoDB - Managed NoSQL database - Single-digit millisecond latency at any scale - Supports document and key/value schemas
"We build our computer (systems) the way we build our cities: over time, without a plan, on top of ruins." - Ellen Ullman
Business people and developers must work together daily throughout the project agilemanifesto .org
Although Ethereum and Bitcoin differ in their purpose, they have many elements in common: - Peer-to-peer network - Proof-of-Work for consensus - Digital signatures and hashes - Digital currency
In 2014 Apple developed the programming language Swift as a replacement for Apple's earlier programming language Objective-C Swift took language ideas from Objective-C, Rust, Haskell, Ruby, Python and C# amongst others print("Hello, World!")
Merkle Trees are data structures used for efficiently summarizing and verifying the integrity of large sets of data. They're used in Bitcoin to make sure that data blocks received from other peers in the network arrive undamaged and unaltered
"A language that doesn't affect the way you think about programming is not worth knowing." - Alan J. Perlis
Obsessing over clean code is like reorganizing your clothes closet on a daily basis.
A comparison sort algorithm cannot perform better than O(NlogN) Algorithms not based on comparisons, such as counting sort, can have O(N) performance.
In JavaScript, a function always returns a value. If the return value is not specified, then it returns undefined.
VPCs in GCP & AWS Google VPC networks are global, and subnets span regions, not availability zones, as in the case of AWS.
The worst mistake you can make is to equate years of experience with wisdom. There are people with 10 years of experience. And people who have experienced the same year ten times.