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The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

11,670 articles
Performance — How We Improved Our Core Web Vitals (Case Study) — Smashing Magazine

How We Improved Our Core Web Vitals (Case Study) — Smashing Magazine

Google’s “Page Experience Update” will start rolling out in June. At first, sites that meet Core Web Vitals thresholds will have a minor ranking advantage in mobile search for all browsers. Search is important to any business, and this is the story of how Beau Hartshorne and his team at Instant Domain Search improved their Core Web Vitals scores. Plus, an open-source tool they’ve built along the w

BHBeau HartshorneBeau Hartshorne·May 17, 2021Performance
Performance — Tree-Shaking: A Reference Guide — Smashing Magazine

Tree-Shaking: A Reference Guide — Smashing Magazine

Since its early days, JavaScript programs have grown in complexity and the number of tasks they perform. The need to compartmentalize such tasks into closed scopes of execution became apparent. “Tree-shaking” is a must-have performance optimization when bundling JavaScript. In this article, we dive deeper on how exactly it works and how specs and practice intertwine to make bundles leaner and more

AFAtila FassinaAtila Fassina·May 14, 2021Performance
Engineering — Video uploads now available across GitHub

Video uploads now available across GitHub

As developers, the ability to collaborate through video (for example, pair programming, demos, etc.) is an extremely important part of a software workflow, especially for communities and teams that are…

LBLauren BroseLauren Brose·May 13, 2021Engineering
SRE & Ops — Running Border Gateway Protocol in large-scale data centers

Running Border Gateway Protocol in large-scale data centers

What the research is: A first-of-its-kind study that details the scalable design, software implementation, and operations of Facebook’s data center routing design, based on Border Gateway Protocol (BGP). BGP was originally designed to interconnect autonomous internet service providers (ISPs) on the global internet. Highly scalable and widely acknowledged as an attractive choice for routing, BGP […

MEMeta Engineering·May 13, 2021SRE & Ops
Career & Teams — Three Ways We Share Context at Shopify Engineering - Shopify

Three Ways We Share Context at Shopify Engineering - Shopify

To do your best work as a developer, you need context. A development community thrives when its members share context as a habit. That's why Shopify Engineering believes that sharing context is vital to our growth and success—as a company, as a team, and as individuals. Context is an abstract term, and we use it to refer to the why, what, and how of our development philosophies, approaches, and ch

SEShopify Engineering·May 13, 2021Career & Teams
SRE & Ops — Highly available and highly scalable Cloudflare tunnels

Highly available and highly scalable Cloudflare tunnels

Starting today, we’re thrilled to announce you can run the same tunnel from multiple different cloudflareds simultaneously. This enables graceful restarts, elastic auto-scaling, easier Kubernetes integration, and more reliable tunnels.

ACAdam ChalmersAdam Chalmers·May 12, 2021SRE & Ops
Frontend — Making Disabled Buttons More Inclusive

Making Disabled Buttons More Inclusive

Let’s talk about disabled buttons. Specifically, let’s get into why we use them and how we can do better than the traditional disabled attribute in HTML

SPSandrina PereiraSandrina Pereira·May 12, 2021Frontend
Languages — Designing Birthday Picker UX: Simpler Is Better — Smashing Magazine

Designing Birthday Picker UX: Simpler Is Better — Smashing Magazine

They are everywhere. Confusing and frustrating design patterns that seem to be chasing you everywhere you go, from one website to another. Perhaps it’s a disabled submit button that never communicates what’s actually wrong, or tooltips that — once opened — cover the input field just when you need to correct a mistake. In this new series of articles on UX, we take a closer look at some frustrating

VFVitaly FriedmanVitaly Friedman·May 12, 2021Languages
Engineering — Little Smashing Stories — Smashing Magazine

Little Smashing Stories — Smashing Magazine

Over a decade ago, we set out to send a [truly smashing newsletter](https://www.smashingmagazine.com/the-smashing-newsletter/) with useful tips and techniques for designers and developers. The first issue was sent out in early 2009. Today marks the day we sent out our 300th edition of the Smashing Newsletter. This article is a little celebration in which we share little Smashing stories from peopl

VFVitaly FriedmanVitaly Friedman·May 12, 2021Engineering
Security — Designing the new Cloudflare Web Application Firewall

Designing the new Cloudflare Web Application Firewall

The Cloudflare Web Application Firewall (WAF) protects websites and applications from malicious traffic attempting to exploit vulnerabilities in server software. It’s a critical piece of the broader security posture of your application.

SSyeefSyeef·May 11, 2021Security
Frontend — Next Gen CSS: @container

Next Gen CSS: @container

Chrome is experimenting with @container, a property within the CSS Working Group Containment Level 3 spec being championed by Miriam Suzanne of Oddbird, and a

UKUna KravetsUna Kravets·May 11, 2021Frontend
Frontend — CSS Pie Timer Re-Revisited

CSS Pie Timer Re-Revisited

Kitty reflected on an ancient blog post here on CSS-Tricks on how to make an animated pie timer. The old technique is still clever. The new technique is

CCChris Coyier·May 11, 2021Frontend