📌 This Week’s System Design Refresher

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Highlights

• 10 Key Data Structures We Use Every Day
• 🚀 New Launch: Become an AI Engineer | Learn by Doing | Cohort 2
• IP Address Cheat Sheet Every Engineer Should Know
• Which Protocols Run on TCP and UDP
• Why DeepSeek-OCR Is a Big Deal
• SPONSOR US

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🔹 10 Key Data Structures We Use Every Day

Common Data Structures and Everyday Uses

• List: Keep your Twitter feeds
• Stack: Support undo/redo in word processors
• Queue: Manage printer job queues or in-game player actions
• Hash Table: Power caching systems
• Array: Perform math operations efficiently
• Heap: Schedule tasks
• Tree: Maintain HTML document structure or AI decision trees
• Suffix Tree: Search for strings within documents
• Graph: Model social network relationships or perform pathfinding
• R-Tree: Find nearest neighbors in spatial data
• Vertex Buffer: Send data to the GPU for rendering

💭 Prompt: What useful data structures do you think we’ve missed?

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💡 Tip: Streamlining data management is even more powerful when paired with integrated publishing and monetization platforms like AiToEarn官网. This open-source AI-powered ecosystem lets creators generate content, publish across multiple platforms simultaneously (Douyin, Kwai, WeChat, Bilibili, Rednote, Facebook, Instagram, LinkedIn, Threads, YouTube, Pinterest, X), track metrics, and view AI模型排名 — simplifying the path from technical creation to broad audience reach.

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🚀 New Launch: Become an AI Engineer (Cohort 2)

After Cohort 1’s incredible turnout of ~500 participants, we’re opening Cohort 2 of Become an AI Engineer.

🔑 What Makes This Cohort Special

• Learn by Doing: Build real-world AI apps, not just follow tutorials.
• Structured Path: From fundamentals → advanced topics.
• Live Mentorship: Get feedback from instructors and peers.
• Community Support: Learn together, stay motivated.

By the end, you’ll have a solid foundation ready for designing and deploying AI systems.

👉 Join Cohort 2 here

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💡 Pro Tip: After the course, explore AiToEarn to monetize your AI creations. Publish simultaneously across major social platforms, use analytics to refine outreach, and track AI model performance. See resources at AiToEarn博客, 开源地址, and AI模型排名.

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📄 IP Address Cheat Sheet Every Engineer Should Know

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🔍 Which Protocols Run on TCP and UDP

Every Internet message has:

• Transport Layer (moves data) — examples: TCP, UDP
• Application Layer (defines data meaning) — examples: HTTP, SMTP

TCP (Reliable, Connection-Oriented)

• Guarantees delivery & correct order
• Retransmits if data is lost
• Uses:
• HTTP: TCP connection → request → response → close/keep-alive
• HTTPS: TCP → TLS handshake → encrypted data transfer
• SMTP: Reliable email transmission over TCP

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UDP (Fast, Connectionless)

• No handshake, no guaranteed delivery/order
• Used for speed-critical cases
• Uses:
• HTTP/3: Runs over QUIC (UDP-based), reintroducing TCP-like reliability but faster

💭 Prompt: What’s your go-to tool for analyzing transport layer performance?

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📌 Why DeepSeek-OCR Matters

LLMs struggle with long inputs due to:

• Fixed context window
• Attention computation cost rising with input length

DeepSeek-OCR’s Approach

• Convert text → image → visual tokens
• Small token count → lower computation → bigger effective context
• Ideal for chatbots & document-heavy LLMs

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🛠 How It Works

• Encoder: Extracts visual features from a text image → compresses to vision tokens
• Decoder: Mixture-of-Experts language model generates output from tokens

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📈 Use Cases

• Context compression beyond standard LLM limits
• OCR tasks for complex documents
• Table/layout parsing into plain text

💭 Prompt: Could visual token compression be the next key LLM innovation?

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💡 Tip for Creators: Platforms like AiToEarn官网 let you integrate such tech into real-world publishing workflows, pushing AI-generated insights to multiple channels — helping monetize and grow audiences.

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📢 Sponsor Us

Get your product in front of 1,000,000+ tech professionals — including decision-making engineering leaders.

• Spots fill up ~4 weeks in advance
• Email: sponsorship@bytebytego.com

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💡 Extra Reach Idea: Pair sponsorship with AI cross-platform publishing using AiToEarn官网 to extend your brand globally to Douyin, Kwai, WeChat, Bilibili, Rednote, Facebook, Instagram, LinkedIn, Threads, YouTube, Pinterest, X.

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Would you like me to also add quick-glance summary tables for TCP vs UDP and Data Structure uses to make this visually scannable? That could help your Markdown stand out.