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Sylwia Laskowska

Software dev • 10+ yrs of code & caffeine ☕ • Sci-fi fan • Bug whisperer 🐞

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Most Apps Are Slower Than They Need to Be — Here’s Why (Live Demo🛸)

Practical WebGPU and WebAssembly performance

Most Apps Are Slower Than They Need to Be — Here’s Why (Live Demo🛸)

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Comments 13
5 min read

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You’re a Real Software Developer Only If…

Relatable developer tropes and coding mishaps

You’re a Real Software Developer Only If…

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Comments 166
3 min read
9 Things You’re Overengineering (The Browser Already Solved Them)

Native voice input and idle task APIs

9 Things You’re Overengineering (The Browser Already Solved Them)

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Comments 99
5 min read
How I Almost Burned Out Doing Everything “Right”

The irony of ignoring our own advice

How I Almost Burned Out Doing Everything “Right”

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Comments 112
6 min read
The Email That Nearly Stopped Me From Becoming a Developer

WeCoded 2026: Echoes of Experience 💜

The Email That Nearly Stopped Me From Becoming a Developer

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Comments 84
5 min read
Why Are We Still Doing GPU Work in JavaScript? (Live WebGPU Benchmark & Demo🚀)

Why Are We Still Doing GPU Work in JavaScript? (Live WebGPU Benchmark & Demo🚀)

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Comments 89
6 min read
The Real Skill in Programming Is Debugging. Everything Else Is Copy-Paste

The Real Skill in Programming Is Debugging. Everything Else Is Copy-Paste

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Comments 133
5 min read
16 Modern JavaScript Features That Might Blow Your Mind

16 Modern JavaScript Features That Might Blow Your Mind

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Comments 115
5 min read
If You See These Red Flags in an IT Interview — Run (Real Stories)

If You See These Red Flags in an IT Interview — Run (Real Stories)

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Comments 87
4 min read
How Seriously Should We Take State of JS and Other Developer Surveys?

How Seriously Should We Take State of JS and Other Developer Surveys?

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Comments 72
4 min read
Stop Installing Libraries: 10 Browser APIs That Already Solve Your Problems

Stop Installing Libraries: 10 Browser APIs That Already Solve Your Problems

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Comments 88
4 min read
Is Learning CSS a Waste of Time in 2026?

Is Learning CSS a Waste of Time in 2026?

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Comments 195
4 min read
Why NaN !== NaN Makes Perfect Sense (I Promise)

Why NaN !== NaN Makes Perfect Sense (I Promise)

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Comments 49
4 min read
Your GitHub Contribution Graph Means Absolutely Nothing - And Here’s Why

Your GitHub Contribution Graph Means Absolutely Nothing - And Here’s Why

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Comments 125
5 min read
When React Starts Acting Like jQuery (and You Can Totally Tell 😅)

When React Starts Acting Like jQuery (and You Can Totally Tell 😅)

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Comments 24
6 min read
Yes, true + true === 2. And No, JavaScript Isn’t Broken

Yes, true + true === 2. And No, JavaScript Isn’t Broken

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Comments 43
2 min read
“Why Do You Code?” - A Surprisingly Hard Question

“Why Do You Code?” - A Surprisingly Hard Question

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Comments 87
3 min read
7 Lies Developers Keep Telling Themselves (And Somehow Still Believe)

7 Lies Developers Keep Telling Themselves (And Somehow Still Believe)

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2 min read
❄️A Five-Minute UI Feature That Became an XSS Time Bomb

❄️A Five-Minute UI Feature That Became an XSS Time Bomb

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Comments 20
4 min read
If You Think YOUR Commit Messages Are Bad, Just Wait…

If You Think YOUR Commit Messages Are Bad, Just Wait…

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Comments 44
1 min read
5 Myths About Legacy Code You Should Stop Believing

5 Myths About Legacy Code You Should Stop Believing

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Comments 30
3 min read
The Biggest Lie in Tech? ‘We Don’t Have Time to Refactor’

The Biggest Lie in Tech? ‘We Don’t Have Time to Refactor’

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4 min read
The Real Reason Developers Hate Meetings (It’s Not Time) 🧠💥

The Real Reason Developers Hate Meetings (It’s Not Time) 🧠💥

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Comments 41
4 min read
Beginner’s Guide #6: 🌀 The Event Loop Explained in 3 Minutes (You’ll Never Forget It)

Beginner’s Guide #6: 🌀 The Event Loop Explained in 3 Minutes (You’ll Never Forget It)

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Comments 8
3 min read
🎃 10 Scary Lines of Code I Wish I Never Wrote 💀

🎃 10 Scary Lines of Code I Wish I Never Wrote 💀

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Comments 49
2 min read
Auth Explained (Part 2): How your browser ‘remembers’ you? PKCE + refresh cookies explained like you're five

Auth Explained (Part 2): How your browser ‘remembers’ you? PKCE + refresh cookies explained like you're five

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3 min read
🔥 10 Mistakes Senior Developers Still Make (Are You Making Them Too?)

🔥 10 Mistakes Senior Developers Still Make (Are You Making Them Too?)

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Comments 19
3 min read
Beginner’s Guide #5: Mutable vs Immutable in JS — The Silent Bug Factory Nobody Warns You About 😳

Beginner’s Guide #5: Mutable vs Immutable in JS — The Silent Bug Factory Nobody Warns You About 😳

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Comments 7
2 min read
Auth Explained (Part 1): ID vs Access vs Refresh tokens — 🤔what they ACTUALLY do (and why localStorage is a trap)

Auth Explained (Part 1): ID vs Access vs Refresh tokens — 🤔what they ACTUALLY do (and why localStorage is a trap)

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Comments 23
3 min read
Signs you’ve been coding for too long (and maybe need a nap 😅)

Signs you’ve been coding for too long (and maybe need a nap 😅)

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Comments 12
1 min read
Beginner’s Guide #4: How to Copy an Object in JS - Explained Like You’re Five 👶

Beginner’s Guide #4: How to Copy an Object in JS - Explained Like You’re Five 👶

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Comments 11
3 min read
🧠 AI Buzzword Survival Guide — How to Sound Like an Expert (Even If You’re Just Curious)

🧠 AI Buzzword Survival Guide — How to Sound Like an Expert (Even If You’re Just Curious)

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Comments 5
6 min read
🧭Beginner’s (and Not-So-Beginner’s) Guide #3 — const vs let (and a bit about var): What Developers Keep Getting Wrong

🧭Beginner’s (and Not-So-Beginner’s) Guide #3 — const vs let (and a bit about var): What Developers Keep Getting Wrong

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Comments 4
3 min read
I Used to Leave 50 Comments in Every Code Review. Here’s Why I Stopped

I Used to Leave 50 Comments in Every Code Review. Here’s Why I Stopped

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3 min read
Beginner’s Guide #2: When to Use forEach, map, for...of, and entries() — Explained Like You’re Five

Beginner’s Guide #2: When to Use forEach, map, for...of, and entries() — Explained Like You’re Five

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2 min read
Beginner’s Guide #1: if (data) vs if (!!data) in JavaScript 🤔

Beginner’s Guide #1: if (data) vs if (!!data) in JavaScript 🤔

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2 min read
Business value > Shiny tech

Business value > Shiny tech

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2 min read
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