Trevor I. Lasn, Building 0xinsider
https://www.trevorlasn.com
Building 0xinsider.com — see who's winning across prediction markets (Polymarket, Kalshi, and more) — and what they're trading right now. Product engineer ba...
フィード

Why I Chose Rust for 0xInsider
Trevor I. Lasn, Building 0xinsider
No QA team. No on-call rotation. One person, one binary, one financial product. The compiler is my entire engineering org.
21日前

Prediction Markets Broke My Brain About Probability
Trevor I. Lasn, Building 0xinsider
A year of watching people bet real money on outcomes changed how I think about everything.
1ヶ月前

How I Use Vercel BotID to Stop Bots on Auth Endpoints
Trevor I. Lasn, Building 0xinsider
BotID verifies browser challenges before proxying to the backend. Here's how I set it up in Next.js 16.
1ヶ月前

Google Search Console MCP for Claude Code
Trevor I. Lasn, Building 0xinsider
Pull GSC data into Claude Code to find CTR problems, indexing bugs, and keyword gaps — then fix them in the same conversation.
1ヶ月前

I Built 0xInsider.com — a Whale Trade Tracker for Prediction Markets
Trevor I. Lasn, Building 0xinsider
Every large trade on Polymarket and Kalshi, the second it happens. Currently in beta — join the Discord for early access.
2ヶ月前

AI Agents Explained
Trevor I. Lasn, Building 0xinsider
What AI agents are, how the agent loop works, and why they're different from chatbots.
2ヶ月前

How Prediction Market Arbitrage Works (Polymarket, Kalshi)
Trevor I. Lasn, Building 0xinsider
Buy YES and NO for less than a dollar. One of them pays out a dollar. Keep the difference.
2ヶ月前

Building Custom MCP Servers with Next.js and mcp-handler
Trevor I. Lasn, Building 0xinsider
How to build a MCP server that works with Claude Code, Gemini CLI, Cursor, and more.
2ヶ月前

CSS :interest-source and :interest-target Pseudo-Classes
Trevor I. Lasn, Building 0xinsider
Style connected UI elements with CSS pseudo-classes that respond to user interest. Interactive examples showing tooltips, forms, and navigation without JavaScript.
5ヶ月前

::details-content: style expandable content without wrapper divs
Trevor I. Lasn, Building 0xinsider
The ::details-content pseudo-element lets you style the expandable content of details elements separately from the summary, no divs needed.
5ヶ月前

View Transitions API: Smooth animations between DOM states
Trevor I. Lasn, Building 0xinsider
Create animated transitions between different states of your app without complex animation libraries.
5ヶ月前

Chrome DevTools MCP: Let Your AI Agent Debug Your App
Trevor I. Lasn, Building 0xinsider
Give your AI agent access to your running application. They can see errors, inspect the network tab, check the DOM, and debug issues while you work.
5ヶ月前

Claude Code Superpowers: How to Add Skills That Plan Before Coding
Trevor I. Lasn, Building 0xinsider
Superpowers is an MCP plugin for Claude Code that enforces planning, TDD, and debugging workflows. Setup guide with real examples.
5ヶ月前

Lighthouse CI: Catch Performance Regressions Before They Ship
Trevor I. Lasn, Building 0xinsider
Lighthouse CI fails your builds when performance drops. I run it on every pull request.
5ヶ月前

Next.js DevTools MCP: Your Development Server Just Got Smarter
Trevor I. Lasn, Building 0xinsider
The Next.js DevTools MCP connects Claude and Cursor to your running dev server. I use it every day.
5ヶ月前

Context7 MCP: Stop LLM Hallucinations with Live Docs
Trevor I. Lasn, Building 0xinsider
Context7 MCP server pulls version-specific library docs into Claude Code, Cursor, and other AI editors. Setup guide and how it works.
5ヶ月前

IndexNow: Get Pages Indexed in Minutes, Not Weeks
Trevor I. Lasn, Building 0xinsider
Set up IndexNow to notify Bing, DuckDuckGo, ChatGPT, and Perplexity the moment you publish. Free protocol, 5-minute setup.
5ヶ月前

What's New in Next.js 16: Every Change Explained
Trevor I. Lasn, Building 0xinsider
Complete guide to Next.js 16 — async params, Turbopack default, stable caching APIs, and how to upgrade. With code examples.
5ヶ月前

Original work is now an endangered species
Trevor I. Lasn, Building 0xinsider
When everything looks the same, being different becomes valuable again
5ヶ月前

Now is the best time to break into tech
Trevor I. Lasn, Building 0xinsider
With AI tooling, a developer with 1 year of experience can match the output of someone with 10 years. The playing field has never been more level.
5ヶ月前

Is it even worth learning to code?
Trevor I. Lasn, Building 0xinsider
With AI tools like Claude Code, Cursor, GitHub Copilot, OpenAI Codex, and Lovable, is learning to code still valuable?
5ヶ月前

Anthropic's Sequential Thinking MCP
Trevor I. Lasn, Building 0xinsider
Ever wished your AI agent would slow down and think things through? This MCP server does exactly that
7ヶ月前

NPQ: Open source CLI tool that audits and protects your npm installs from malicious packages
Trevor I. Lasn, Building 0xinsider
A CLI tool that checks packages for security issues and social engineering attacks before they hit your project
8ヶ月前

Google's AI distribution advantage
Trevor I. Lasn, Building 0xinsider
While everyone debates models and features, Google owns the distribution channels that make AI stick
8ヶ月前

How JavaScript Was Written Back In the Day
Trevor I. Lasn, Building 0xinsider
Have you ever been curious how JavaScript was written back in the day? I was, so I dug into some of the early frameworks and libraries to see what I could learn.
10ヶ月前

JavaScript compile hints: what they are and when to use them
Trevor I. Lasn, Building 0xinsider
V8's compile hints let you control which JavaScript gets compiled immediately during page load
1年前

Error.isError(): A Better Way to Check Error Types in JavaScript
Trevor I. Lasn, Building 0xinsider
Why the new Error.isError() method solves important cross-realm issues and provides more reliable error identification than instanceof
1年前

Robust Data Fetching Architecture For Complex React/Next.js Apps
Trevor I. Lasn, Building 0xinsider
How I use the 'Three Layers of Data' architecture pattern for React and Next.js apps to avoid common pitfalls, tech debt, and improve performance
1年前

Float16Array in JavaScript
Trevor I. Lasn, Building 0xinsider
Understanding the new 16-bit floating point array in JavaScript
1年前

Understanding Agent2Agent (A2A): A Protocol for LLM Communication
Trevor I. Lasn, Building 0xinsider
An exploration of Google's new open protocol that enables different AI systems to exchange information and collaborate
1年前

Why I Value Firebreak Sprints for Managing Technical Debt
Trevor I. Lasn, Building 0xinsider
How scheduled developer freedom weeks can revolutionize your codebase and team morale
1年前

CVE-2025-29927 - Next.js Middleware Bypass Explained In Simple Terms
Trevor I. Lasn, Building 0xinsider
The vulnerability skips Next.js middleware security checks by adding a single HTTP header
1年前

The 5:1 Rule: Effective Performance Reviews For High-Performing Teams
Trevor I. Lasn, Building 0xinsider
Research reveals the ideal ratio of positive to negative feedback within high performing teams
1年前

Intl.DurationFormat: Format Time Durations with Locale Support
Trevor I. Lasn, Building 0xinsider
Stop writing manual duration formatting code. Instead, leverage the new powerful Intl.DurationFormat API for internationalized time displays
1年前

Open-source is where dreams go to die
Trevor I. Lasn, Building 0xinsider
Work for free and in return watch your passion get crushed by entitled users who are never satisfied
1年前

Don't bullshit
Trevor I. Lasn, Building 0xinsider
Be the authentic voice in a world of manufactured personas
1年前

Keep Your Node.js Apps Secure with `npx is-my-node-vulnerable`
Trevor I. Lasn, Building 0xinsider
This package compares your Node.js version against the Node.js Security Database, providing immediate feedback about potential security risks.
1年前

Native Popover Element with HTML
Trevor I. Lasn, Building 0xinsider
Create overlays and dropdowns easily with the native HTML popover API
1年前

WeakRefs in JavaScript: Explained In Simple Terms
Trevor I. Lasn, Building 0xinsider
Understanding how WeakRef helps manage memory in JavaScript
1年前

Honey Quietly Hijacked Creator Revenue Through Affiliate Link Switching
Trevor I. Lasn, Building 0xinsider
Honey's controversial affiliate link practices and what it teaches us about Silicon Valley's ethics
1年前

Node.js AsyncLocalStorage: Pass Context Without Prop Drilling
Trevor I. Lasn, Building 0xinsider
Use AsyncLocalStorage to carry request IDs, user context, and tracing data through async calls without passing them as arguments.
1年前

CSS scrollbar-width and scrollbar-gutter Explained
Trevor I. Lasn, Building 0xinsider
Use scrollbar-width to thin or hide scrollbars and scrollbar-gutter to prevent layout shift. Browser support, examples, and gotchas.
1年前

Add Auth to Astro 5 with Clerk in 5 Minutes
Trevor I. Lasn, Building 0xinsider
The simplest setup for adding Clerk authentication to your Astro project, with minimal code
1年前

CSS ::target-text for Text Highlighting
Trevor I. Lasn, Building 0xinsider
A look at how browsers can highlight text fragments using CSS ::target-text, making text sharing and navigation more user-friendly
1年前

align-content: The Simplest Way to Center Content with CSS
Trevor I. Lasn, Building 0xinsider
Finally, we can center things in block layouts without flexbox gymnastics
1年前

Form Validation That Doesn't Annoy Users: CSS :user-valid and :user-invalid
Trevor I. Lasn, Building 0xinsider
The new pseudo-classes :user-valid and :user-invalid give us a smarter way to style form validation states based on user interaction
1年前

HTML Details Element: The Native Accordion You're Not Using
Trevor I. Lasn, Building 0xinsider
Discover how the HTML details element can replace your JavaScript accordions and why it might be better than your current solution
1年前

Tattoos Won't Break Your Tech Career
Trevor I. Lasn, Building 0xinsider
Building a tech career with a sword tattooed on my neck
1年前

navigator.clipboard - The Asynchronous Clipboard API in JavaScript
Trevor I. Lasn, Building 0xinsider
Copy and paste text, images, and files using the new navigator.clipboard API
1年前

CSS @supports: Write Future-Proof CSS
Trevor I. Lasn, Building 0xinsider
Detect CSS feature support and provide smart fallbacks with @supports
1年前

CSS Supports Nesting Now
Trevor I. Lasn, Building 0xinsider
CSS nesting is finally supported in all major browsers. Write cleaner, organized stylesheets without Sass or Less
1年前

CSS content-visibility: The Web Performance Boost You Might Be Missing
Trevor I. Lasn, Building 0xinsider
The content-visibility CSS property delays rendering an element, including layout and painting, until it is needed
1年前

CSS :has() - The Parent Selector We've Always Wanted
Trevor I. Lasn, Building 0xinsider
Transform your CSS with :has(), the game-changing selector that finally lets us style elements based on their children.
1年前

link rel='modulepreload': Optimize JavaScript Module Loading
Trevor I. Lasn, Building 0xinsider
The rel='modulepreload' indicates that a module script should be fetched, parsed, and compiled preemptively, and stored for later execution
1年前

LH and RLH: The CSS Units That Make Vertical Spacing Easy
Trevor I. Lasn, Building 0xinsider
Exploring new CSS line-height units that eliminate guesswork from vertical rhythm
1年前

The HTML Native Search Element
Trevor I. Lasn, Building 0xinsider
The search HTML element is a container that represents the parts of the web page with search functionality
1年前

Web Performance API: Measure What Matters
Trevor I. Lasn, Building 0xinsider
From slow to fast: Using JavaScript's Performance API to optimize web apps
1年前

HTTP CONNECT: Building Secure Tunnels Through Proxies
Trevor I. Lasn, Building 0xinsider
Understand how HTTP CONNECT enables HTTPS traffic through proxies
1年前

Preloading Responsive Images
Trevor I. Lasn, Building 0xinsider
How to properly preload responsive images to improve initial page load
1年前

You Don't Own Your Social Media Accounts
Trevor I. Lasn, Building 0xinsider
Social platforms promise exposure but quietly hold your audience hostage
1年前

Working with JavaScript's Scheduler API
Trevor I. Lasn, Building 0xinsider
Learn how to prioritize and control task execution in JavaScript using the new Scheduler API for better performance and user experience
1年前

WebAssembly (Wasm): When (and When Not) to Use It
Trevor I. Lasn, Building 0xinsider
Understanding the real use cases for WebAssembly beyond the performance hype
1年前

The Fight to Free JavaScript from Oracle's Control
Trevor I. Lasn, Building 0xinsider
The creator of JavaScript and Node.js are challenging Oracle's control over the JavaScript name
1年前

Recursion Explained In Simple Terms
Trevor I. Lasn, Building 0xinsider
Understanding recursion through real examples - why functions call themselves and when to use them
1年前

Node.js Corepack: Version Control for Package Managers
Trevor I. Lasn, Building 0xinsider
Manage yarn and pnpm versions consistently across your team
1年前

Can OSSPledge Fix Open Source Sustainability?
Trevor I. Lasn, Building 0xinsider
The Open Source Pledge aims to address open source sustainability challenges by encouraging companies to pay $2,000 per developer per year
1年前

JavaScript Sets and Maps: Beyond Arrays and Objects
Trevor I. Lasn, Building 0xinsider
How to handle unique values and key-value pairs properly without type coercion and performance issues
1年前

Precise Decimal Math in JavaScript with Fraction.js
Trevor I. Lasn, Building 0xinsider
How to handle exact decimal calculations in JavaScript when floating-point precision isn't good enough
1年前

Exploring JavaScript Symbols
Trevor I. Lasn, Building 0xinsider
Deep dive into JavaScript Symbols - what they are, why they matter, and how to use them effectively
1年前

Ghost Jobs Should Be Illegal
Trevor I. Lasn, Building 0xinsider
How fake job postings became a systemic problem in tech recruiting
1年前

Can Scrum Be Salvaged?
Trevor I. Lasn, Building 0xinsider
Scrum is failing engineering teams and what it's actually costing us
1年前

Understanding Bitwise Shifts in JavaScript: << and >>
Trevor I. Lasn, Building 0xinsider
A practical guide to left and right shift operators in JavaScript
1年前

JavaScript Import Attributes (ES2025)
Trevor I. Lasn, Building 0xinsider
Understanding the new import attributes syntax and why we can't rely on file extensions alone
1年前

Promise.try: Unified Error Handling for Sync and Async JavaScript Code (ES2025)
Trevor I. Lasn, Building 0xinsider
Stop mixing try/catch with Promise chains - JavaScript's new Promise.try handles return values, Promises, and errors uniformly
1年前

JavaScript's &&= Operator: Understanding Logical AND Assignment
Trevor I. Lasn, Building 0xinsider
Use the &&= operator to safely update truthy values while preserving falsy states
1年前

JavaScript's ??= Operator: Default Values Made Simple
Trevor I. Lasn, Building 0xinsider
A guide to using ??= in JavaScript to handle null and undefined values elegantly
1年前

When Will We Have Our First AI CEO?
Trevor I. Lasn, Building 0xinsider
Welcome to the future of corporate leadership. It's efficient, profitable, and utterly inhuman
1年前

The Monday Morning Test to Measure Engineering Team Health
Trevor I. Lasn, Building 0xinsider
Why the first day back can reveal everything about your engineering team's health
1年前

Pkl: Apple's New Configuration Language That Could Replace JSON and YAML
Trevor I. Lasn, Building 0xinsider
A deep dive into Pkl, Apple's configuration language that aims to replace JSON and YAML
1年前

No, Quantum Computers Won't Break All Encryption
Trevor I. Lasn, Building 0xinsider
Symmetric encryption algorithms like Advanced Encryption Standard (AES) are largely quantum-resistant already
1年前

Introducing the Legendary Programmer Hall of Fame
Trevor I. Lasn, Building 0xinsider
Meet the innovators who laid the foundation for modern computing. Their contributions span decades, creating the tools and concepts developers use every day.
1年前

What is the JavaScript Pipeline Operator |>
Trevor I. Lasn, Building 0xinsider
A deep dive into how pipeline operators can make your code more readable and maintainable
1年前

Why localStorage Is Unsafe for Tokens and Secrets
Trevor I. Lasn, Building 0xinsider
localStorage is vulnerable to XSS and has no expiry or encryption. Learn why httpOnly cookies and sessionStorage are safer for auth tokens.
1年前

JavaScript Truthy and Falsy Values: Complete Reference
Trevor I. Lasn, Building 0xinsider
All 8 falsy values in JavaScript explained with examples. Common pitfalls with 0, empty strings, NaN, and how type coercion actually works.
1年前

JavaScript Operators: '||' vs '&&' vs '??'
Trevor I. Lasn, Building 0xinsider
Master JavaScript logical operators with practical examples and best practices
1年前

Inside the CSS Engine: CSSOM Explained
Trevor I. Lasn, Building 0xinsider
A deep dive into how browsers parse and manipulate CSS, its impact on web performance, and why it matters
1年前

How to Land Your First Tech Job
Trevor I. Lasn, Building 0xinsider
A developer's guide to tech interviews - from someone who sits on both sides of the table
1年前

Why Anthropic (Claude AI) Uses 'Member of Technical Staff' for All Engineers (Including Co-founders)
Trevor I. Lasn, Building 0xinsider
Inside Anthropic's unique approach to preventing talent poaching and maintaining organizational equality
1年前

Offload Your Third Party Scripts With Cloudflare Zaraz
Trevor I. Lasn, Building 0xinsider
How I used Cloudflare Zaraz to offload third party scripts and improve my website performance.
1年前
SecretLint — A Linter for Preventing Committing Credentials
Trevor I. Lasn, Building 0xinsider
A guide to catching and preventing credential leaks in your code using Secretlint
1年前

Repopack (now Repomix): Pack Your Entire Repository Into A Single File
Trevor I. Lasn, Building 0xinsider
A tool that packages your code to easily share with LLM models.
1年前

Software Engineer Titles Have (Almost) Lost All Their Meaning
Trevor I. Lasn, Building 0xinsider
Examining the Devaluation of Software Engineer Titles and Its Impact on Tech Industry Integrity
1年前

Optimize Your Astro Site's <head> with astro-capo
Trevor I. Lasn, Building 0xinsider
Automatically improve your Astro site's performance using astro-capo
1年前

How To Implement Content Security Policy (CSP) Headers For Astro
Trevor I. Lasn, Building 0xinsider
Content Security Policy (CSP) acts like a shield against XSS attacks. These attacks are sneaky - they trick your browser into running malicious code by hiding it in content that seems trustworthy. CSP's job is to spot these tricks and shut them down, while also alerting you to any attempts it detects.
1年前

VoidZero: Threat or Catalyst for Open Source JavaScript Tooling?
Trevor I. Lasn, Building 0xinsider
When Evan You announced VoidZero, I'll admit - I got excited. And a little nervous.
1年前

Open Dyslexic Font: Improve Your Web Accessibility
Trevor I. Lasn, Building 0xinsider
How to implement the Open-Dyslexic font to enhance readability for users with dyslexia
1年前

Small Habits, Big Impact
Trevor I. Lasn, Building 0xinsider
We're often focused on big innovations and breakthrough moments. But what if the real key to long-term success lies in the small, everyday actions we often overlook?
1年前

Is Age Really a Factor in Tech?
Trevor I. Lasn, Building 0xinsider
Silicon Valley has a reputation for youth worship. The 'move fast and break things' mentality often translates to a preference for younger, supposedly more adaptable workers.
1年前

How to Launch Software Projects On Time and On Budget
Trevor I. Lasn, Building 0xinsider
Learn the art of scope management to keep your projects fixed in time and cost
1年前

The Credit Vacuum
Trevor I. Lasn, Building 0xinsider
Being a developer sometimes feels like being the goalkeeper in a soccer match. You make a hundred great saves, and no one bats an eye. But let one ball slip through, and suddenly you're the village idiot.
1年前

A Company Is Not a Family. It's a Sports Team
Trevor I. Lasn, Building 0xinsider
'We're not just a company, we're a family!' It's a nice sentiment, sure. But it's also a load of crap.
1年前

Cloudflare Study: 39% of Companies Losing Control of Their IT and Security Environment
Trevor I. Lasn, Building 0xinsider
New research reveals a shocking loss of control in corporate IT environments
1年前

When Tasked with a Problem, Start with the Bigger Picture
Trevor I. Lasn, Building 0xinsider
When faced with a challenge, I always step back to see the whole picture first. It's like pausing a complex strategy game to study the map. You might lose a few seconds of play time, but you gain a crucial understanding of the battlefield.
1年前

Barnacle Strategy for Startups
Trevor I. Lasn, Building 0xinsider
As a founder, you're always on the lookout for smart ways to grow your startup without burning through your limited resources. That's where the barnacle strategy comes in.
1年前

Micro Frontends: The LEGO Approach to Web Development
Trevor I. Lasn, Building 0xinsider
Explore the concept of micro frontends in web development, understand their benefits, and learn when this architectural approach is most effective for building scalable applications.
1年前

Google's Journey: From Search Engine to Tech Giant
Trevor I. Lasn, Building 0xinsider
Exploring the key innovations and strategies that transformed Google into a global technology leader
1年前

Amazon's Rise to Tech Titan: A Story of Relentless Innovation
Trevor I. Lasn, Building 0xinsider
How Jeff Bezos' 'Day 1' philosophy turned an online bookstore into a global powerhouse
1年前

Apple's Secret Sauce: The Untold Stories Behind Its Success
Trevor I. Lasn, Building 0xinsider
Diving deep into the lesser-known factors that propelled Apple from a garage startup to a tech titan
1年前

What's the Number One Thing Holding Most People Back from Reaching Their Full Potential?
Trevor I. Lasn, Building 0xinsider
Discover the biggest obstacle to success in tech and learn how to overcome it
2年前

Self-Taught Developer's Guide to Thriving in Tech
Trevor I. Lasn, Building 0xinsider
How to turn your non-traditional background into your biggest asset
2年前

Make It Work First Before Optimizing
Trevor I. Lasn, Building 0xinsider
Users don't care how elegant your code is. They care if it solves their problem.
2年前

Minimum Viable Documentation
Trevor I. Lasn, Building 0xinsider
How to create essential documentation that actually gets read and used.
2年前

You Can Choose to Be Someone Who's Competent in Many Things, or Unbelievably Good at One Thing
Trevor I. Lasn, Building 0xinsider
Should you diversify your skills or specialize?
2年前

Write Documentation Like a Journalist
Trevor I. Lasn, Building 0xinsider
Create comprehensive, engaging documentation by adopting journalistic techniques for research and storytelling
2年前

Cloudflare's AI Content Control: Savior or Threat to the Open Web?
Trevor I. Lasn, Building 0xinsider
How Cloudflare's new AI management tools could revolutionize content creation, potentially reshaping the internet landscape for both website owners and AI companies.
2年前

Conway's Law: The Hidden Force Shaping Your Software Architecture
Trevor I. Lasn, Building 0xinsider
If you've ever wondered why your carefully planned software architecture ends up looking suspiciously like your org chart, you're not alone. Welcome to the world of Conway's Law.
2年前

Internal Mobility
Trevor I. Lasn, Building 0xinsider
Just like a utility player on a sports team discovering their ideal position, internal mobility allows you to explore different areas of engineering and find your true passion.
2年前

Outdated Docs Are Tech Debt
Trevor I. Lasn, Building 0xinsider
Teams often neglect to create good documentation. Code gets delivered, but updating the docs is treated as a secondary task, easily postponed—until it’s too late.
2年前

Weeks of Coding Can Save You Hours of Planning
Trevor I. Lasn, Building 0xinsider
Weeks of coding can save you hours of planning. It’s one of those sayings that’s been around forever, and for good reason—it’s a warning that still holds up today.
2年前

It's More Fun to Be Competent
Trevor I. Lasn, Building 0xinsider
Once you're competent, everything changes. You stop second-guessing yourself. You stop panicking every time you encounter a new problem. And you start taking on bigger challenges with excitement rather than dread.
2年前

Code Wins Arguments
Trevor I. Lasn, Building 0xinsider
How Meta and other companies use the 'code wins arguments' mindset to turn ideas into reality
2年前

Take Your Writing Seriously
Trevor I. Lasn, Building 0xinsider
It’s not just about getting the message across; it’s about doing so in a way that’s easy for others to follow. Good writing shows respect for your team and your work.
2年前

Users Can Be Fired
Trevor I. Lasn, Building 0xinsider
Letting go of difficult or harmful users can be the key to maintaining the health and growth of your product
2年前

A Great Product Doesn't Need Marketing
Trevor I. Lasn, Building 0xinsider
Great products speak for themselves, without the need for massive marketing campaigns
2年前

Amazon's 'No Weasel Words' Rule
Trevor I. Lasn, Building 0xinsider
How Amazon's emphasis on eliminating weasel words leads to more precise, actionable communication and better decision-making
2年前

The Real Cost of Meetings: What FAANG Companies Do Differently
Trevor I. Lasn, Building 0xinsider
Discover how FAANG companies like Amazon, Google, and Netflix reduce the hidden costs of meetings by embracing written communication and minimizing unnecessary gatherings.
2年前

What Makes MrBeast So Successful?
Trevor I. Lasn, Building 0xinsider
A deep dive into the strategies, mindset, and team culture that have made MrBeast one of the most successful creators on YouTube
2年前

What's New in Express.js v5.0
Trevor I. Lasn, Building 0xinsider
A detailed look at the key changes and improvements in Express v5.0 and how to migrate your app
2年前

Evolve or Become Irrelevant
Trevor I. Lasn, Building 0xinsider
Why staying relevant in tech means constantly adapting to new technologies and trends
2年前

Speculation Rules API: Boosting Web Performance with Prefetching and Prerendering
Trevor I. Lasn, Building 0xinsider
How the Speculation Rules API improves web performance by prefetching and prerendering future navigations
2年前

Company Culture Happens Outside Management
Trevor I. Lasn, Building 0xinsider
Why real company culture grows from the ground up, not top down.
2年前

Improve PageSpeed Insights Score with Lazy Loading Iframes
Trevor I. Lasn, Building 0xinsider
How to save bandwidth and speed up your site by lazy-loading iframes
2年前

Speed Up Your Website With rel='preconnect' and increase PageSpeed Insights Score
Trevor I. Lasn, Building 0xinsider
Using link rel='preconnect' can improve your website's performance by reducing connection setup times to key external domains.
2年前

The Crutch Effect: How AI Tools Became A Crutch
Trevor I. Lasn, Building 0xinsider
Introducing The Crutch Effect
2年前

Mental Toughness is the Best Quality a Developer Can Have
Trevor I. Lasn, Building 0xinsider
Mental toughness gets developers through challenges like debugging, picking up new tools, and hitting tight deadlines. It’s about staying calm and pushing through when things get tough.
2年前

When Should You Actually Worry About Tech Debt?
Trevor I. Lasn, Building 0xinsider
Technical debt isn't the monster under your bed, but it can become one if ignored too long.
2年前

Google is Killing Information Economics on the Internet
Trevor I. Lasn, Building 0xinsider
Google’s Gemini pulls summaries from websites and slaps them directly into the search results
2年前

Tips for Reducing Cyclomatic Complexity
Trevor I. Lasn, Building 0xinsider
Cyclomatic complexity is like counting how many ways a car can go. More options make it harder to drive because you have to make more decisions, which can lead to confusion.
2年前

setImmediate() vs setTimeout(0) in Node.js: What's the Difference?
Trevor I. Lasn, Building 0xinsider
setImmediate runs after I/O, setTimeout(0) runs after the timer phase. Here's when to use each, with event loop diagrams.
2年前

Unrealistic Deadlines In Software Engineering
Trevor I. Lasn, Building 0xinsider
Unrealistic deadlines are more than just stressful—they set engineers up for failure
2年前

Understanding JavaScript Closures With Examples
Trevor I. Lasn, Building 0xinsider
Closures are essential for creating functions that maintain state, without relying on global variables.
2年前

Explicit is better than implicit
Trevor I. Lasn, Building 0xinsider
Clarity is key: being explicit makes your code more readable and maintainable.
2年前

Comprehensive React Testing: Handling API Calls with Mock Service Worker
Trevor I. Lasn, Building 0xinsider
Testing can be tricky, especially when it comes to handling API calls.
2年前

Chrome Is Beta Testing Built-In AI. Could This Kill a Lot of Startups?
Trevor I. Lasn, Building 0xinsider
The Power Play: Gemini Nano in Chrome
2年前

Embrace Intermediate Variables and Early Returns in JavaScript
Trevor I. Lasn, Building 0xinsider
Early returns and intermediate variables make your code easier to reason about
2年前

When Regex Goes Wrong
Trevor I. Lasn, Building 0xinsider
Issues and catastrophic failures caused by regex
2年前

Invisible columns in SQL
Trevor I. Lasn, Building 0xinsider
It’s a small feature, but it can make a big difference.
2年前

Understanding Vue's Suspense
Trevor I. Lasn, Building 0xinsider
How the Suspense component manages async dependencies and improves loading states in Vue apps
2年前

The Only Widely Recognized JavaScript Feature Ever Deprecated
Trevor I. Lasn, Building 0xinsider
The 'with' statement is the only feature ever deprecated in JavaScript
2年前

10 Essential Terminal Commands Every Developer Should Know
Trevor I. Lasn, Building 0xinsider
List of useful Unix terminal commands to boost your productivity. Here are some of my favorites.
2年前

Remove Unnecessary NPM Packages with eslint-plugin-depend
Trevor I. Lasn, Building 0xinsider
We don't need packages to handle basic JavaScript tasks
2年前

Common Causes of Memory Leaks in JavaScript
Trevor I. Lasn, Building 0xinsider
Identify and fix common JavaScript memory leaks (Node.js and Deno.js)
2年前

Secure Your Repositories: Prevent Credential Leaks with Gitleaks
Trevor I. Lasn, Building 0xinsider
Automate security flows and ensure your team follows security best practices
2年前

Technical Debt Is Killing Your Business
Trevor I. Lasn, Building 0xinsider
And it will be your downfall if you choose to ignore it
2年前

Frontend Security Checklist
Trevor I. Lasn, Building 0xinsider
Tips for Keeping All Frontend Applications Secure
2年前

Speeding Up React Apps with Code Splitting and Lazy Loading
Trevor I. Lasn, Building 0xinsider
Performance is not a luxury; it's a necessity
2年前

Staying Motivated While Building Your Startup: A Balanced Approach
Trevor I. Lasn, Building 0xinsider
Building a startup is an exhilarating journey, filled with highs and lows
2年前

The What, Why, and How of Using a Skeleton Loading Screen
Trevor I. Lasn, Building 0xinsider
Skeleton loading screens enhance user experience and make your app feel faster
5年前

Sharp: A High-Performance Image Processing Library for Node.js
Trevor I. Lasn, Building 0xinsider
Sharp is a high-performance package for resizing and formatting images
5年前

Integrating Docker with React
Trevor I. Lasn, Building 0xinsider
Streamline your development and deployment processes
6年前

How To Restore Your Passion for Programming
Trevor I. Lasn, Building 0xinsider
Programming is a difficult skill to master and requires great perseverance to get good at. The grind can be too much at times — remember, if something is hard, it’s worth doing, as nothing good comes easy.
6年前

What Does an Entry-Level Programmer Need to Know Exactly?
Trevor I. Lasn, Building 0xinsider
Expectations for entry-level programmers
6年前

Mermaid.js — Create Charts and Diagrams With Markdown-like Syntax
Trevor I. Lasn, Building 0xinsider
Mermaid.js is a simple markdown-like script language for generating charts from text via JavaScript
6年前

Become a Web Developer in 180 Days
Trevor I. Lasn, Building 0xinsider
A comprehensive roadmap to becoming a proficient web developer
6年前

Peaks.js — Interact With Audio Waveforms
Trevor I. Lasn, Building 0xinsider
Peaks.js is a client-side JavaScript component to display and interact with audio waveforms in the browser
6年前

Boost React + Redux Performance with Reselect
Trevor I. Lasn, Building 0xinsider
Selectors are a powerful tool to optimize state selection and enhance performance in your React and Redux apps.
6年前

Programming Trends to Watch in 2020 and Beyond
Trevor I. Lasn, Building 0xinsider
Here are my bets on the programming trends
7年前

How To Fetch Data From an API With React Hooks
Trevor I. Lasn, Building 0xinsider
Fetch data in React applications using the power of React Hooks
7年前

How To Use Redux with React Hooks
Trevor I. Lasn, Building 0xinsider
Write less code, but better code
7年前

Demystifying React Hooks
Trevor I. Lasn, Building 0xinsider
Hooks can save you time and improve the quality of your code
7年前

The Secret to Being a Top Developer Is Building Things
Trevor I. Lasn, Building 0xinsider
You can only become a great developer if you're willing to put effort into it
8年前