Learn how to check sudoku is valid or not

Sudoku checker

A Complete Guide with Example to build priority queue using stdlib go

Implementing a Priority Queue Using Heap in Go

Introduction of generic in Golang

A Comprehensive Guide what the stack and heap are, how they work, and how they are used.

Understanding Stack and Heap Memory in Go

Why Communication and Collaboration Matter

Soft Skills for Software Engineers

Learn how snowflake works and implement it using golang

Snowflake

Learn processing date with different format

Date conversion

Learn the pros and cons of each type database

SQL vs NoSQL

Tips to avoid common pitfall when doing system design interview

Avoiding Common Pitfalls in System Design Interviews

Overview system design and how to overcame the interview

System design interview

Counting all vowel substring contains `aiueo`

Street Play in HackerLand

Vowel Substring

Learn coding pattern dynamic programming with solving staircase problem

Staircase problem

Solution of hard problem in string category hackerrank

Hard: Sherlock and valid string

Compare decimal package in go with benchmark

Decimal benchmark

Learn how to solve problem with prefix-sum

Hard: Array manipulation

Explore the possibility solution to handle decimal values properly

Handling decimal values

Learn how to solve problem with two-pointer pattern

Easy: Pair with Target Sum

Learn how to solve problem with xor pattern

Easy: Single Number

Determine the maximum amount of money you can rob in one night without triggering an alarm.

House Robber Problem

Given a singly linked list of integers l and a non-negative integer n, move the last n list nodes to the beginning of the linked list.

Rearrange Last N

Virtual disk WSL cannot auto shrink, do it manually

Shrink virtual disk on WSL

sqlc generates fully type-safe idiomatic code from SQL.

sqlc: An Introduction to SQL Compilation

The Japanese Secret to a Long and Happy Life by Héctor García and Francesc Miralles

Book Review: Ikigai - The Japanese Secret to a Long and Happy Life

Golang for Distributed Systems?

Hello GRPC

The comprehensive guide to building effective habits that can help individuals achieve their goals and improve their lives.

Book Review: Atomic Habits by James Clear

Behavioral Questions

This book is a guide for software engineers on how to leverage their efforts to make a meaningful impact.

Book Review: The Effective Engineer by Edmond Lau

Two sum Problem

Find the longest path file

Simple Reverse Proxy

Find a total pair anagram from the given array of numbers

Digit anagrams

This is an Uber interview question and the solution implements tries, a data structure that you’ll see a lot in interview questions

Find substring

Construct Tree from given Inorder and Preorder traversals

Restore binary tree

Fibonacci from recursion to dynamic programming

Fibonacci with dynamic programming

Semver sort

Software Engineer is not a Code Monkey

Passing cancellation cause with a non-nil error (the "cause") records that error in ctx

Context Cancellation With Cause

number solitair

Race Condition

Deep down Atomicity, Consistency, Isolation, Durability

ACID Properties in DBMS

N Queens

Boggle is a popular word game in which players attempt to find words in sequences of adjacent letters on a rectangular board.

Word Boggle

Single linked list trick collection

kthSmallestInBST

How to determine whether or not the single linked-list is a palindrome

Single linked list palindrome

Remove Element from the single linked list

How to solve the areFollowingPatterns problem

Check 2 strings are following patterns

How to solve the problem with different time complexity for median of two sorted arrays

Median of Two Sorted Arrays

Determine whether binary tree is symmetric around its center, i.e. each side mirrors the other.

Check symmetric binary tree

Create custom primitive data type and customize the function marshal/unmarshal json

Custom JSON marshal/unmarshal

Rotate Matrix

Travese binary tree that ordered from the leftmost to the rightmost one

Custom Tree Traversal

This is recruitment challenge with unique requirement, no for or goto allowed

Calculating the Sum of Squares of Integers in Go

Everything from user need to be validated to prevent XSS attack

XSS - Cross Site Scripting Vulnerability

Leetcode biweekly contest 96

Rate limiter in Go

Detail implementation time-based one-time password (TOTP) algorithm

TOTP based on RFC 6238

Implement functional options using functional approach

Practical Go: Functional Options Pattern

Minesweeper

Math explanation about artifical neural network

Artificial Neural Network

What company you must choose ?

Given a string, find out if its characters can be rearranged to form a palindrome.

Palindrome Rearrange

Iterate digit by given integer

Text normalization

Become the software engineer

Solve a problem to reverses characters in (possibly nested) parentheses in the input string.

Reverse In Parentheses

Palindrome string

Benchmark file io using buffer versus without buffer

Buffered vs non buffered file IO using go

Data Structure: Tree

Practical Go: Dockerize go apps

The Single Responsibility Principle (SRP) is principle states that a class should have only one reason to change

Go S.O.L.I.D: The Single Responsibility Principle

Minimum Number of Arrows to Burst Balloons solution using go

Coding Practice: Minimum Number of Arrows to Burst Balloons

Coding Practice: Word Search

Difference between docker vs Virtual Machine

Docker vs Virtual Machine

Introducing deadlock, livelock, and starvation

Definitions of Sync Problems

Head to head comparation between http and https

HTTP vs HTTPS

pg_stat_statements in action

When you declare a variable of type string, you should ask whether a narrower type would appropiate

Prefer precise string types

Golang SQL Database

Binary Operator Hack and Tricks

Bagaimana melihat performa kode menggunakan benchmark?

Membuat Benchmark di Golang

Tips dan trik menggunakan unit test di GO

Tips dan trik unit test di Go

Golang Test Coverage

Menambahkan header x-telolet menggunakan golang

Golang Om Telolet Om Server

Bagaimana menggunakan Unit Test pada bahasa pemrograman go?

Golang Unit Test

Konsep struct dalam go dan bagaimana digunakan dalam pemrograman berorientasi object