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AWS Introduction
AWS Region and Availability zone An AWS region is a geographical location with a collection of a...
Domain 4: Cost-optimized architectures
Cost-effective storage solutions Yous should know which storage service should be used, an objec...
Domain 3: Secure Applications
Secure resource access Security should be considered at every level, stage, and architecture. T...
Domain 2: High-performing architectures
Elastic vs scalable Although they both mean adapting to dynamic environments they don't really m...
Questions and AWS resource differences
AWS Lambda Can have a maximum runtime of only 15 minutes. A great option for hosting microservi...
Domain 1: Resilient architrectures
Multi-tier solutions Exam item will require you to understand and implement several aspects acro...
Overview about the certificate
What this certificate covers This certificate proves that you are able to design and implement s...
Microservices Explained
Problem with Monolithic architecture At the beginning of application development, the standard w...
What is Spring and Spring Boot?
Spring Framework The Spring Framework is pretty much a framework like Django (but a little diffe...
Common Collections
Vector Allows you to store variable number of values next to each other To create an empty vect...
Enum and Pattern Matching
Defining an Enum Enum or enumeration gives you a way of defining a set of possible values for on...
Using Structs to Structure Related Data
Defining and instantiating structs Struct allows you to compose different type of data together ...
Slice Type
Slice type Slices in Rust let you reference a contiguous sequence of elements in a collection ra...
References and Borrowing
Ownership Rust has it's own way of managing memories that are allocated on the heap. Unlike C, w...
Command substitution vs Process substitution
https://unix.stackexchange.com/a/393352
Variables, types, mutatbility, functions, and control flow
Variables By default variables are immutable in Rust. Once you assign a value to it you cannot c...
Ever wonder what apt-get does underneath?
Shower thoughts This question came from when I was showering one day: What does apt-get or apt o...
Getting started
Hello world fn main() { println!("Hello, world!"); } The main function is always the first f...
Downloading and Installing Rust
Instructions To download and install Rust it is pretty simple. Just run the following curl comma...
CSS Max-width
Max-width This property is interesting because if you specify a max-width, the content's width w...