Introduction When implementing logging in Golang, there are several libraries you can use. From the log package to logrus, zap, zerolog, and more, there are many options available. klog, widely us...

[Go] Complete Guide to Goroutines - Concurrency Programming for Beginners Let’s explore Goroutines, one of the most powerful features of the Go language. Goroutines are a core feature that makes...

[JavaScript] How to Sleep in JavaScript When you want to pause or delay program execution in JavaScript, you can implement sleep functionality using setTimeout or Promise. In this post, we will ...

[Python] How to Sleep in Python When you want to pause or delay program execution in Python, you can use the sleep function from the time module. In this post, we will learn various ways to use ...

[Go] How to Sleep in Golang When you want to pause or delay program execution in Go, you can use the Sleep function from the time package. In this post, we will learn various ways to use sleep i...

Elasticsearch Query Commands for Querying and Deleting Data by Time Range There are cases where you need to query or delete data within a specific time range in Elasticsearch. In this post, we w...

CKA (Certified Kubernetes Administrator) Exam Review and Tips Table of Contents What is CKA? Preparation Period Study Method Exam Environment and Precautions Exam Procedure Unexpect...

Problem Description Rotate Array Rotate the elements of a list by k. Solution Approach For the input list [1,2,3,4,5,6,7] and k=3, a simple approach is to iterate through the list and shift each ...

Problem Description Best Time to Buy and Sell Stock II Calculate the maximum profit that can be obtained by buying and selling stocks multiple times. Unlike Best Time to Buy and Sell Stock, this p...

Problem Description Best Time to Buy and Sell Stock Calculate the maximum profit that can be obtained by buying and selling stocks once. Solution Approach To find the maximum profit when buying a...