Collection of notes, TILs, how to do`s and stuff like that.

Categories

• Algorithms & Data Structures
• Databases
• Git
• IntelliJ
• Java
• JavaScript

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Algorithms & Data Structures

• Arrays
• Big O Notation
• Binary Search
• Binary Trees
• Bubble Sort
• Graphs
• Hash Tables
• Heaps
• Insertion Sort
• Linked Lists
• Logarithm
• Merge Sort
• Queue
• Quick Sort
• Recursion
• Selection Sort
• Stack
• Trees
• Tries

Databases

• Cardinality
• Database indexing

Git

• Git HEAD
• Git Merge
• Git Rebase
• Git Submodules
• Revert, Reset and Restore

IntelliJ

• Shortcuts

Java

• Anonymous Function
• instanceof With Pattern Matching
• Methods
• Monads
• Serialization
• Try-Catch-Finally

JavaScript

• JavaScript uses 64-bit floating point numbers
• this in JavaScript
• Array Reduce
• Array Sort
• Closures
• Differences between declarations
• ES versions
• Hoisting
• Prototypal inheritance
• Prototype chain
• Type conversion and coercion

Useful links:

• https://github.com/30-seconds/30-seconds-of-interviews
• https://techinterviewhandbook.org/best-practice-questions/