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Ruby 데이터 타입 - 문자열, 배열, 맵
문자열 ruby 'a' 'a' 'a' + 'b' 'a'b' 'a' 3 => 'aaa' '2'.to_i => 2 문자열을 정수로 '2'.to_f => 2.0 문자열을 실수로 2.to_s => '2' 숫자를 문자열로 'a'.length => 1 .inspect 객체의 구조를 문자열로 변환...
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Why push and pop Feel Natural and shift Does Not
What JavaScript arrays quietly optimise for When I first started working with JavaScript arrays, push and pop felt immediately intuitive. You add something to...
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🚀 O Poder da Teoria dos Conjuntos na Programação: Lodash como Aliado na União e Diferença de Dados
O Conceito de Conjunto Set Vamos ver como o Lodash nos ajuda a aplicar isso na prática, comparando-o com o código JavaScript “puro”. Exemplo 1: União Combinand...
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The DNA of Data: Objects & Arrays Masterclass
markdown !Vila Segurahttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fu...
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The DSA Dependency Graph: A Logical Roadmap from Arrays to DP
!Cover image for The DSA Dependency Graph: A Logical Roadmap from Arrays to DPhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,f...
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Function, Objects and Array In JS.
Functions A function is a block of code that performs a specific task and can be reused. There are three ways to define a function in JavaScript: 1. Function D...
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How JavaScript Engines Optimize Objects, Arrays, and Maps (A V8 Performance Guide)
'Understanding how V8 optimizes data structures to avoid silent performance slowdowns
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Day 76 of 100 days dsa coding challenge
Problem Bus Conductor – GeeksforGeekshttps://www.geeksforgeeks.org/problems/bus-conductor--170647/1 Difficulty: Easy Accuracy: 75.3% Examples Example 1 - Input...
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Coding Challenge Practice - Question 81
Task Implement a function that replaces undefined values with null throughout a given input, handling primitives, arrays, and objects recursively. Approach 1....
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Java Arrays clone() Explained: Deep Dive with Examples & Best Practices
What Exactly is the clone Method for Arrays? The key thing to remember right off the bat: for arrays, clone performs a shallow copy. Shallow Copy vs. Deep Copy...
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Java Arrays.clear()? Let's Get Real: Clearing Arrays The Right Way
Alright, let's address the elephant in the room. You've probably been scouring Stack Overflow, Google, and maybe even GitHub Copilot's suggestions trying to fin...
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3606. Coupon Code Validator
Problem Description You are given three arrays of length n that describe the properties of n coupons: - codei: a string representing the coupon identifier. - b...