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sometimes vibe coding makes me want to write an LRUCache from scratch, write unit tests manually, airplane mode, all non-GMO farm-to-table coding
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I use my own lruCache package, that has background cleanup, ttl's and max size with a double linked list for lru.
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Replying to @0xdoppo
only memory (own lruCache package)
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Creating it manually is also only once. I just have a generic lruCache package that I reuse. Hosting Redis is expensive in the long run, in memory the short run.
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I helped many Android developers get the jobs they wanted. Across most companies, the interview structure followed a very similar pattern: 1. Data Structures and Algorithms 2. Machine Coding Round 3. Android and Kotlin/Java concepts 4. System Design Data Structures and Algorithms • Easy/Medium Level Question mainly focused on Array, HashMap, Two Pointer Approach, Sliding Window, and LinkedList. • LRUCache Machine Coding Round • Build an App from Scratch: Fetch data from an API and display it in a list, handling loading and error states. • Everything about Android Machine Coding Round Interview: outcomeschool.substack.com/p… Android and Kotlin/Java concepts Questions like • Explain Coroutines • How to implement debounce using Coroutines • How ViewModel works internally System Design • Design Image Loading Library • Design File Downloader Library • Design Instagram Stories • Design Networking Library • Design Analytics Library • Design Caching Library • Design Location Sharing App • Design WhatsApp Different companies, different roles, but the pattern stays largely the same.
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Q1.LRU Cache LRU Cache accepted ✅ HashMap Doubly Linked List O(1) get, O(1) put Finally clicked. Day1 Done👍 #LeetCode #SystemDesign #DataStructures #LRUCache #LearningInPublic
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Most Android devs stop at UI or using Jetpack libraries. The real learning begins when you explore what happens under the hood. Start exploring these: - Why does an Android app lag?: Smooth 60fps UI, Choreographer, GC, Recomposition - LRUCache and Bitmap Pool - ViewModel Internals - Android Runtime: ART, AOT, JIT - Coroutines Internals - OkHttp internals, like connection pooling Pick one topic, explore it in depth for 1–2 weeks, and master it.
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6 Dec 2025
Day 80 📚: Stacks and Queues (System Design Application) Trees Basics (Introduction) ✅ Solved: LRU Cache (Least Recently Used) #100DaysOfCode #DSA #Stack #LRUCache #SystemDesign #TUFWinterArc
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Guaranteed Ways to Fail in Android Interviews: • Ignoring Data Structures and Algorithms: for example, failing to code "LRUCache". • Not practicing for the Machine Coding Round, thinking, "I already work on a big project in my company." • Ignoring the internals: for example, failing to code "How to implement debounce using Coroutines." • Not practicing how to explain concepts: for example, failing to explain "How ViewModel works internally". #AndroidDev #Kotlin #Interview #Android
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👨‍💻 Dev Corner: Parallelized on-chain resource reading has been optimized by replacing the original mutex<LruCache> with QuickCache. QuickCache provides internal thread safety and offers better throughput in parallelized scenarios. Follow our BUIDL journey: github.com/starcoinorg/starc…
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26 Oct 2025
Day 103: Caching Smartly 🧠💾 ✅ Implemented LRU Cache • Used Doubly Linked List HashMap combo • Achieved O(1) for both get & put operations ⚡ #Day103 #DSA #LRUCache #SystemDesign #100DaysOfCode #LearningJourney
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17 Oct 2025
broooo lmao 😂😂
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Jo Linkedin par ek-ek questions chapke post karte hai unka khel to khatam hai, ye check karo😂
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😂😂😂
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17 Oct 2025
😂😂😂 brooo mujhe nhi chahiye linkedin par fame aur naa hi leetcode ka badge...
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Bhai copy paste krr deta ... Fir linked in pe post daal deta ek hard work ka crazy ho jata
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17 Oct 2025
hn dekha aur 5k submission hard category then read bhi nhi kiya 😇
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Aaj ka Potd dekha tha😶
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Replying to @Divyansh91565
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