Improve Response Time by 10x by Introducing an Interceptor In Nest.js

Writing scalable and fast APIs can be a challenge, and today I want to introduce you to a technique I implement in NestJS (Node.js) applications that have to process a high volume of incoming requests.

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Use Next.js and Vercel to build a link-sharing app using serverless WebSockets

In this post, we’ll show you how to use Next.js and Vercel to build a live link-sharing app. Users can share URLs of articles that they think might interest others, and anyone viewing the page will see the shared article appear instantly, together with a preview image and article summary:

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Avoid accidental complexity and technical debt

Technical debt is a term that many software engineers have already heard, but on which they have divergent definitions. In most cases, it refers to: We also hear about accidental technical debt (or complexity) and mastered technical debt.

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Beyond Senior – Progressive Influence

After a number of conversations over the past few years with several other engineers who have moved beyond senior levels into staff and principal positions I've come away with a lot of insights, many of which have seen their way to Twitter or other conversations first, but now it's time to start col

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The new wave of Javascript web frameworks

Staying current in the Javascript ecosystem is not for the faint of heart. It’s challenging for those entering the industry to follow what’s happening amongst the new libraries, frameworks, concepts, and strong opinions.

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Research: quantifying GitHub Copilot’s impact on developer productivity and happiness

Everyday, we use tools and form habits to achieve more with less. Software development produces such a high number of tools and technologies to make work efficient, to the point of inducing decision fatigue.

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Astro 1.0 adding React components

I've written my fair share of Astro articles in the past, but some things have changed since the release of Astro 1.0. In this article, we'll be looking at running React components in Astro. (the old way of adding React in Astro)

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Building a chatbot with DialogFlow, Node.js, and React

To us humans, conversation is second-nature; it comes naturally to us, but the same can’t be said for bots. Even a simple question like, “How was your day?”, could be rephrased several ways (for example, “How’s it going?”, “How are you?”), none of which a bot can ordinarily understand.

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Inconsistent thoughts on database consistency

So, this is a post about consistency in databases. And it comes as a result of a deep dive down a rabbit hole, with hundreds of pages of academic papers printed and countless Chrome tabs eating memory on my MacBook.

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Git Merge vs. Rebase: Which to Use and When

One of the most powerful features of Git is its ability to create “branches” of a codebase that can be developed in parallel. This lets multiple team members contribute to different features simultaneously without stepping on each other’s toes.

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Smooth and simple page transitions with the shared element transition API

When you navigate around apps on your phone, there's usually some sort of transition, from a simple fade or slide from one screen to another, to more complex transitions that move different elements independently: Although, on the web, we don't tend to get those kinds of effects.

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46 Remote Work Statistics Employers Need to Know

By the end of 2022, it's estimated that 25% of all job vacancies will be remote. Apart from the improvement in work-life balance and increased benefits, remote work has the potential to be advantageous for both companies and employees.

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Use git-secret to encrypt secrets

In the sixth part of this tutorial series on developing PHP on Docker we will setup git-secret to store secrets directly in the repository. Everything will be handled through Docker and added as make targets for a convenient workflow.

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Best practices for creating a modern npm package

Technology is always changing and your processes and practices need to keep up with those changes. So while npm is 12 years old, your practices around npm package creation should hopefully be a lot more modern. If you have a feeling they may be a little out of date, though, keep reading.

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Get Started with Astro and Redis

Astro is a new tool optimized for building fast content sites. Although it is new, the team already released version 1.0 and the APIs are now stable. Key selling points are zero JavaScript by default as well as “bring your own framework”.

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Don’t Let Perfection Be the Enemy of Productivity

Productivity isn’t about getting more done. It’s about what you get done. Three aspects of perfectionism can interfere with your ability to prioritize the most important tasks. There’s an argument that, for unimportant decisions, you should either decide quickly or outsource the decision.

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Installing and Building an NPM Package from Github

[The original draft for this post was dated August of 2017. Here it is April 2018 and I’m finally getting around to making this an MVP: minimum viable post. This is probably old news now, but I’m posting nonetheless.]

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Rethinking Agile, Part 4: Start Estimating Value

In the part three of this series, I argued that we should stop estimating time and/or effort of work on agile projects. Instead, we should focus on the value delivered by working software.

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The Trimodal Nature of Software Engineering Salaries in the Netherlands and Europe

Update: dozens of hiring managers confirmed this trimodal model applies to all global markets: from the US, through Asia to Latin America as well. Also see TechPays.com for data recorded for a growing number of countries in the three tiers.

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JavaScript APIs You Don’t Know About

In this article, Juan Diego covers the least known yet extremely useful APIs, such as the Page Visibility API, Web Sharing API, Broadcast Channel API and Internationalization API. Together we will see what they are, where we should use them, and how to use them.

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How To Improve Largest Contentful Paint for Faster Load Times

Largest Contentful Paint (LCP) is a Core Web Vital metric that tracks how many seconds it takes for your page’s most data-intensive, above-the-fold element to load. These elements can be text, images, elements with background images, or even videos.

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Introducing Signals

Signals are a way of expressing state that ensure apps stay fast regardless of how complex they get. Signals are based on reactive principles and provide excellent developer ergonomics, with a unique implementation optimized for Virtual DOM. At its core, a signal is an object with a .

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8 Best React Courses 2022

As web development grows and evolves, it's important that we software developers continue to learn and teach ourselves new technologies. One great framework to add to your skill stack this year (if you haven't already) is React js.

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Rethinking Agile, Part 3: Stop Estimating Effort

All right agile heads, buckle up because this one’s a doozy. In the first two posts of my Rethinking Agile series, I proposed two new methodologies to add to your agile practice. Those were “deload” periods and “Stand Down” meetings. In part three, I recommend removing something.

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One Formula To Rule Them All: The ROI Of A Design System

Design systems are a crucial success factor for digital businesses, and virtually every major player works with one. Still, they can sometimes be hard to sell to management. Here’s a ready-to-use formula to calculate the ROI of any design system.

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Rethinking Agile, Part 2 – The Stand Down Meeting

Regular and direct communication among teammates and stakeholders is at the core of agile methodologies. The most efficient and effective method of conveying information to and within a development team is face-to-face conversation. – The Agile Manifesto

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The Role of the Tech Lead

The technical lead (or tech lead) is a common role at software companies. One of the challenges in defining the tech lead job description is that the shape of the role varies widely from company to company — sometimes even from team to team.

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Infinite Scrolling: When to Use It, When to Avoid It

Since its invention in 2006, infinite scrolling experienced a steep growth in popularity. Today, it is mostly used on websites and apps with a flat structure, where content streams constantly and is equally relevant to the user — for example, social-media sites (e.g., TikTok, Instagram, Twitter) but also news or ecommerce websites (e.g., Apple News, Nike.com). What are the benefits and limitations of infinite scrolling?

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Cross-Functional Team Explanation & Best Practices

Managing a cross-functional team is an optimal way to overcome fragmentation and organize effective teamwork for the best project results. But this is not a group of people with similar jobs, such as a marketing team, IT department, or sales department.

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Behind the scenes: McDonald’s event-driven architecture

We explore our journey of developing a unified platform enabling real-time, event-driven architectures. Event-based architectures enable integration flexibility, scalability, and several real-time abilities.

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When Culture and Code Reviews Collide, Communication is Key

As technical folk, we sometimes hear about “how to do business with other cultures.” But what about “how to code with other cultures”? How do you trust a code review from someone whose upbringing of never publicly correct someone else prevents them from providing important feedback on your code review?

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The Difference Between The Clever Developer & The Wise Developer

Devs “There is no greater fool than he who thinks himself wise; no one wiser than he who suspects he is a fool.” Marguerite de Valois Most developers are clever at writing code, in many situations the cleverness is a strength and a weakness.

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React Error Boundaries: A Complete Guide

While catching errors before they hit production is ideal, some of them, such as network errors, might slip through testing and impact your users. It is crucial that your application gracefully handle such errors by providing proper visual feedback and potential actions (ex: retry mechanisms).

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JavaScript Patterns Workshop

The content is based on Patterns.dev - a free online resource on design patterns and component patterns for building powerful web apps with vanilla JavaScript and React.

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A Complete Guide to React Router: Everything You Need to Know

It's probably no surprise to you that React Router is the most popular 3rd party library in the React ecosystem. In fact, during the last 6 months, React Router has been included in 44% of all React projects.

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