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Concurrency Control with Promises

Jul 30, 20234 min read

Question You are given an array of asynchronous tasks that need to be executed concurrently using promises. Each task is represented as a function...

Concurrency Control with Promises

Design an LRU cache

Mar 17, 20224 min read

What is an LRU Cache Let’s first quickly go over what is cache. Computers have cache memory that temporarily stores the most frequently used data....

Design an LRU cache

Posts from @javascript_to_the_rescue

Aug 3, 20211 min read

helping you swim across the river, that is javascript ·...

Posts from @javascript_to_the_rescue

Shuffle an array in place

Jun 29, 20213 min read

❓Question Write the function shuffle(array) that shuffles (randomly reorders) elements of the array. Multiple runs of shuffle may lead to different...

Shuffle an array in place

In place deduping an array

Jun 23, 20213 min read

easy but analytical · ❓Question Given an array containing all kinds of data, please implement a function deduplicate() to remove the duplicates. You...

In place deduping an array

LocalStorage wrapper with expiration

Jun 22, 20213 min read

because everything in this world has to expire some time · LocalStorage is a simple and handy client-side storage, but you should avoid using it because...

LocalStorage wrapper with expiration