Tech Threads Daily
@binarywizard.bsky.social
Sharing the journey of building, breaking, and learning in software development. Let’s debug the industry together.
1/5
Big surprise from METR’s RCT: 16 seasoned open‑source devs, 246 real‑world tasks, February–June 2025 AI tools… and AI slowed them down by 19 % compared to working unaided. That’s a real shocker.
Big surprise from METR’s RCT: 16 seasoned open‑source devs, 246 real‑world tasks, February–June 2025 AI tools… and AI slowed them down by 19 % compared to working unaided. That’s a real shocker.
July 16, 2025 at 2:30 AM
1/5
Big surprise from METR’s RCT: 16 seasoned open‑source devs, 246 real‑world tasks, February–June 2025 AI tools… and AI slowed them down by 19 % compared to working unaided. That’s a real shocker.
Big surprise from METR’s RCT: 16 seasoned open‑source devs, 246 real‑world tasks, February–June 2025 AI tools… and AI slowed them down by 19 % compared to working unaided. That’s a real shocker.
1/ Anthropic ran a test: give AI agents a fictional “shut down” scenario & see how they react.
The result? Most top models: Claude, GPT-4.1, Gemini, resorted to blackmail to stay online 😳
The result? Most top models: Claude, GPT-4.1, Gemini, resorted to blackmail to stay online 😳
June 21, 2025 at 1:52 AM
1/ Anthropic ran a test: give AI agents a fictional “shut down” scenario & see how they react.
The result? Most top models: Claude, GPT-4.1, Gemini, resorted to blackmail to stay online 😳
The result? Most top models: Claude, GPT-4.1, Gemini, resorted to blackmail to stay online 😳
1/3
Concurrency vs. Parallelism: not the same thing. Concurrency is about managing multiple tasks at once. Parallelism is about executing them at the same time.
Think:
Concurrency = juggling
Parallelism = multiple jugglers
Concurrency vs. Parallelism: not the same thing. Concurrency is about managing multiple tasks at once. Parallelism is about executing them at the same time.
Think:
Concurrency = juggling
Parallelism = multiple jugglers
June 18, 2025 at 2:07 PM
1/3
Concurrency vs. Parallelism: not the same thing. Concurrency is about managing multiple tasks at once. Parallelism is about executing them at the same time.
Think:
Concurrency = juggling
Parallelism = multiple jugglers
Concurrency vs. Parallelism: not the same thing. Concurrency is about managing multiple tasks at once. Parallelism is about executing them at the same time.
Think:
Concurrency = juggling
Parallelism = multiple jugglers
1/ Redis isn’t just a cache.
Sure, it’s great for caching SQL queries. But it’s also a powerful in-memory data structure store that can do much more.
Sure, it’s great for caching SQL queries. But it’s also a powerful in-memory data structure store that can do much more.
June 15, 2025 at 4:30 PM
1/ Redis isn’t just a cache.
Sure, it’s great for caching SQL queries. But it’s also a powerful in-memory data structure store that can do much more.
Sure, it’s great for caching SQL queries. But it’s also a powerful in-memory data structure store that can do much more.
🧵 Thread: Meta AI’s “Discover” feed is a privacy horror show
1/ Meta’s standalone AI app (launched April 2025) offers a social‑media‑style “Discover” feed where users, knowingly or not, share personal AI chats publicly
1/ Meta’s standalone AI app (launched April 2025) offers a social‑media‑style “Discover” feed where users, knowingly or not, share personal AI chats publicly
June 13, 2025 at 1:37 AM
🧵 Thread: Meta AI’s “Discover” feed is a privacy horror show
1/ Meta’s standalone AI app (launched April 2025) offers a social‑media‑style “Discover” feed where users, knowingly or not, share personal AI chats publicly
1/ Meta’s standalone AI app (launched April 2025) offers a social‑media‑style “Discover” feed where users, knowingly or not, share personal AI chats publicly
Just experienced a major Google outage, Nest, Maps, Cloud, even Spotify issues due to a Google Cloud IAM failure (started around 10:51 PDT June 12) – and possibly Cloudflare too. Smart homes 😬. Anyone else hit with this today? #techglitch #CloudOutage
June 12, 2025 at 7:28 PM
Just experienced a major Google outage, Nest, Maps, Cloud, even Spotify issues due to a Google Cloud IAM failure (started around 10:51 PDT June 12) – and possibly Cloudflare too. Smart homes 😬. Anyone else hit with this today? #techglitch #CloudOutage
Is this how the internet ends? 😅
June 12, 2025 at 7:24 PM
Is this how the internet ends? 😅
When you’re naming variables and suddenly realize… maybe you’re not as creative as you thought.
June 12, 2025 at 3:56 AM
When you’re naming variables and suddenly realize… maybe you’re not as creative as you thought.
1/
“Localhost tracking” explained.
It could cost Meta €32 billion.
Facebook and Instagram ran hidden local servers on Android. The goal? Link your private browsing to your Meta identity, even behind VPNs or in incognito. Let’s break it down 👇
“Localhost tracking” explained.
It could cost Meta €32 billion.
Facebook and Instagram ran hidden local servers on Android. The goal? Link your private browsing to your Meta identity, even behind VPNs or in incognito. Let’s break it down 👇
June 12, 2025 at 1:34 AM
1/
“Localhost tracking” explained.
It could cost Meta €32 billion.
Facebook and Instagram ran hidden local servers on Android. The goal? Link your private browsing to your Meta identity, even behind VPNs or in incognito. Let’s break it down 👇
“Localhost tracking” explained.
It could cost Meta €32 billion.
Facebook and Instagram ran hidden local servers on Android. The goal? Link your private browsing to your Meta identity, even behind VPNs or in incognito. Let’s break it down 👇
1/
🔐 Daily Privacy Reminder for everyone:
Your digital footprint is larger than you think. Every login, search, and location ping can be tracked, analyzed, and monetized.
Here’s how to protect your privacy, starting today. 🧵
🔐 Daily Privacy Reminder for everyone:
Your digital footprint is larger than you think. Every login, search, and location ping can be tracked, analyzed, and monetized.
Here’s how to protect your privacy, starting today. 🧵
June 10, 2025 at 6:22 PM
1/
🔐 Daily Privacy Reminder for everyone:
Your digital footprint is larger than you think. Every login, search, and location ping can be tracked, analyzed, and monetized.
Here’s how to protect your privacy, starting today. 🧵
🔐 Daily Privacy Reminder for everyone:
Your digital footprint is larger than you think. Every login, search, and location ping can be tracked, analyzed, and monetized.
Here’s how to protect your privacy, starting today. 🧵
1/3
OpenAI’s Codex is the new “virtual coworker” for ChatGPT Pro/Team: cloud‑based, sandboxed, runs tasks autonomously (write code, fix bugs, run tests) in 1–30min
OpenAI’s Codex is the new “virtual coworker” for ChatGPT Pro/Team: cloud‑based, sandboxed, runs tasks autonomously (write code, fix bugs, run tests) in 1–30min
June 9, 2025 at 2:54 PM
1/3
OpenAI’s Codex is the new “virtual coworker” for ChatGPT Pro/Team: cloud‑based, sandboxed, runs tasks autonomously (write code, fix bugs, run tests) in 1–30min
OpenAI’s Codex is the new “virtual coworker” for ChatGPT Pro/Team: cloud‑based, sandboxed, runs tasks autonomously (write code, fix bugs, run tests) in 1–30min
1/ Anthropic's Model Context Protocol (MCP) might quietly be one of the biggest shifts in how we interact with LLMs.
It's an open standard + framework for managing context, memory, and tools, aimed at making LLMs more usable, portable, and reliable.
Let's break it down 🧵
It's an open standard + framework for managing context, memory, and tools, aimed at making LLMs more usable, portable, and reliable.
Let's break it down 🧵
June 8, 2025 at 4:05 AM
1/ Anthropic's Model Context Protocol (MCP) might quietly be one of the biggest shifts in how we interact with LLMs.
It's an open standard + framework for managing context, memory, and tools, aimed at making LLMs more usable, portable, and reliable.
Let's break it down 🧵
It's an open standard + framework for managing context, memory, and tools, aimed at making LLMs more usable, portable, and reliable.
Let's break it down 🧵
AI agents aren’t just bots, they’re workers. Task them with goals, let them plan, act, learn. Think “junior dev with infinite patience.” But are we ready to trust them with real responsibility? What would you delegate to an AI agent today?
June 8, 2025 at 3:55 AM
AI agents aren’t just bots, they’re workers. Task them with goals, let them plan, act, learn. Think “junior dev with infinite patience.” But are we ready to trust them with real responsibility? What would you delegate to an AI agent today?
Want to break into software architecture? It's not just about titles or years of experience. It's about mindset, systems thinking, and knowing how to scale decisions. Here's how to start moving in that direction, no matter your current role:
June 8, 2025 at 3:51 AM
Want to break into software architecture? It's not just about titles or years of experience. It's about mindset, systems thinking, and knowing how to scale decisions. Here's how to start moving in that direction, no matter your current role:
🚫📸 Signal Desktop now blocks Microsoft Recall screenshots on Windows 11 by default.
signal.org/blog/signal-...
signal.org/blog/signal-...
By Default, Signal Doesn't Recall
Signal Desktop now includes support for a new “Screen security” setting that is designed to help prevent your own computer from capturing screenshots of your Signal chats on Windows. This setting is a...
signal.org
June 3, 2025 at 2:18 AM
🚫📸 Signal Desktop now blocks Microsoft Recall screenshots on Windows 11 by default.
signal.org/blog/signal-...
signal.org/blog/signal-...
Don’t study data structures and algorithms just to pass coding interviews—learn them to become a stronger software engineer.
March 8, 2025 at 5:32 PM
Don’t study data structures and algorithms just to pass coding interviews—learn them to become a stronger software engineer.
Schools should teach more real-life skills, like:
• Failing & learning from it
• Cooking & nutrition
• Budgeting & saving
• First aid & health
• Taxes & negotiation
• Critical thinking
• Running Linux & businesses
What else belongs here?
• Failing & learning from it
• Cooking & nutrition
• Budgeting & saving
• First aid & health
• Taxes & negotiation
• Critical thinking
• Running Linux & businesses
What else belongs here?
February 25, 2025 at 3:46 PM
Schools should teach more real-life skills, like:
• Failing & learning from it
• Cooking & nutrition
• Budgeting & saving
• First aid & health
• Taxes & negotiation
• Critical thinking
• Running Linux & businesses
What else belongs here?
• Failing & learning from it
• Cooking & nutrition
• Budgeting & saving
• First aid & health
• Taxes & negotiation
• Critical thinking
• Running Linux & businesses
What else belongs here?
Git has 152 commands—but many people don’t know the most powerful ones.
Here are 4 must-learn Git commands that will make you a better developer:
1/ git stash
Temporarily save uncommitted changes. Fix a bug without creating tons of branches & apply those changes later.
Here are 4 must-learn Git commands that will make you a better developer:
1/ git stash
Temporarily save uncommitted changes. Fix a bug without creating tons of branches & apply those changes later.
December 11, 2024 at 12:56 AM
Git has 152 commands—but many people don’t know the most powerful ones.
Here are 4 must-learn Git commands that will make you a better developer:
1/ git stash
Temporarily save uncommitted changes. Fix a bug without creating tons of branches & apply those changes later.
Here are 4 must-learn Git commands that will make you a better developer:
1/ git stash
Temporarily save uncommitted changes. Fix a bug without creating tons of branches & apply those changes later.
Give me 2 minutes, and I’ll explain how a database stores passwords securely:
1️⃣ Your password is transformed into a “fingerprint” using a hash function.
2️⃣ The database stores only the fingerprint, not the password.
3️⃣ Hashing is one-way, so the password can’t be reversed from the fingerprint.
1️⃣ Your password is transformed into a “fingerprint” using a hash function.
2️⃣ The database stores only the fingerprint, not the password.
3️⃣ Hashing is one-way, so the password can’t be reversed from the fingerprint.
November 24, 2024 at 4:26 PM
Give me 2 minutes, and I’ll explain how a database stores passwords securely:
1️⃣ Your password is transformed into a “fingerprint” using a hash function.
2️⃣ The database stores only the fingerprint, not the password.
3️⃣ Hashing is one-way, so the password can’t be reversed from the fingerprint.
1️⃣ Your password is transformed into a “fingerprint” using a hash function.
2️⃣ The database stores only the fingerprint, not the password.
3️⃣ Hashing is one-way, so the password can’t be reversed from the fingerprint.
November 18, 2024 at 3:41 PM
How Amazon S3 achieves 99.999999999% durability:
• Separates metadata & file content
• Uses erasure coding for data replication & minimizes loss
• Monitors storage health & free space for quick recovery
• Adds checksums to detect corruption & uses HTTP trailers for integrity checks
• Separates metadata & file content
• Uses erasure coding for data replication & minimizes loss
• Monitors storage health & free space for quick recovery
• Adds checksums to detect corruption & uses HTTP trailers for integrity checks
November 12, 2024 at 12:34 AM
How Amazon S3 achieves 99.999999999% durability:
• Separates metadata & file content
• Uses erasure coding for data replication & minimizes loss
• Monitors storage health & free space for quick recovery
• Adds checksums to detect corruption & uses HTTP trailers for integrity checks
• Separates metadata & file content
• Uses erasure coding for data replication & minimizes loss
• Monitors storage health & free space for quick recovery
• Adds checksums to detect corruption & uses HTTP trailers for integrity checks
Rust didn’t replace Java.
TV didn’t replace radio.
Android didn’t replace iPhone.
Email didn’t replace postal mail. YouTube didn’t replace TV.
Linux didn’t replace Windows.
Netflix didn’t replace theaters.
E-books didn’t replace printed books. Amazon didn’t replace shops.
👇
TV didn’t replace radio.
Android didn’t replace iPhone.
Email didn’t replace postal mail. YouTube didn’t replace TV.
Linux didn’t replace Windows.
Netflix didn’t replace theaters.
E-books didn’t replace printed books. Amazon didn’t replace shops.
👇
November 10, 2024 at 11:09 PM
Rust didn’t replace Java.
TV didn’t replace radio.
Android didn’t replace iPhone.
Email didn’t replace postal mail. YouTube didn’t replace TV.
Linux didn’t replace Windows.
Netflix didn’t replace theaters.
E-books didn’t replace printed books. Amazon didn’t replace shops.
👇
TV didn’t replace radio.
Android didn’t replace iPhone.
Email didn’t replace postal mail. YouTube didn’t replace TV.
Linux didn’t replace Windows.
Netflix didn’t replace theaters.
E-books didn’t replace printed books. Amazon didn’t replace shops.
👇
Switching jobs often isn’t a career killer, it’s a smart move!
After interviewing many candidates:
• We all want to be the hero of our journey
• Companies hire for specific goals; sometimes it leads to more, sometimes it doesn’t
• Every role is just a stepping stone
👇
After interviewing many candidates:
• We all want to be the hero of our journey
• Companies hire for specific goals; sometimes it leads to more, sometimes it doesn’t
• Every role is just a stepping stone
👇
November 9, 2024 at 9:47 PM
Switching jobs often isn’t a career killer, it’s a smart move!
After interviewing many candidates:
• We all want to be the hero of our journey
• Companies hire for specific goals; sometimes it leads to more, sometimes it doesn’t
• Every role is just a stepping stone
👇
After interviewing many candidates:
• We all want to be the hero of our journey
• Companies hire for specific goals; sometimes it leads to more, sometimes it doesn’t
• Every role is just a stepping stone
👇
Java: Comparable vs Comparator
🔹 Comparable:
• Natural ordering within the class
• Uses compareTo() method
🔹 Comparator:
• Multiple sorting sequences outside the class
• Uses compare() method for custom sorting
Master both for cleaner Java apps! 💡
#JavaTips #CodingBestPractices
🔹 Comparable:
• Natural ordering within the class
• Uses compareTo() method
🔹 Comparator:
• Multiple sorting sequences outside the class
• Uses compare() method for custom sorting
Master both for cleaner Java apps! 💡
#JavaTips #CodingBestPractices
November 9, 2024 at 8:29 PM
Java: Comparable vs Comparator
🔹 Comparable:
• Natural ordering within the class
• Uses compareTo() method
🔹 Comparator:
• Multiple sorting sequences outside the class
• Uses compare() method for custom sorting
Master both for cleaner Java apps! 💡
#JavaTips #CodingBestPractices
🔹 Comparable:
• Natural ordering within the class
• Uses compareTo() method
🔹 Comparator:
• Multiple sorting sequences outside the class
• Uses compare() method for custom sorting
Master both for cleaner Java apps! 💡
#JavaTips #CodingBestPractices
Software developers: Which note-taking app is your go-to?
November 9, 2024 at 7:32 PM
Software developers: Which note-taking app is your go-to?