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Engineering Insights & Guides

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

11,845 articles
SRE & Ops — Improving how we deploy GitHub

Improving how we deploy GitHub

As GitHub doubled it’s developer head count, tooling that worked for us no longer functioned in the same capacity. We aimed to improve the deployment process for all developers at GitHub and mitigate risk associated with deploying one of the largest developer platforms in the world.

JNJulian NadeauJulian Nadeau·January 25, 2021SRE & Ops
Distributed — Sponsored Post: 3T, Bridgecrew, Toptal, IP2Location, Ipdata, StackHawk, InterviewCamp.io, Educative, Triplebyte, Stream, Fauna - High Scalability -

Sponsored Post: 3T, Bridgecrew, Toptal, IP2Location, Ipdata, StackHawk, InterviewCamp.io, Educative, Triplebyte, Stream, Fauna - High Scalability -

Who's Hiring? * Looking to rapidly hire Top Software Developers? Get Started with Toptal. Toptal will match you with top-quality, pre-screened freelance software developers that meet your project requirements. All in under 48 hours. Get started right away with a no risk trial. * InterviewCamp.io has hours of system design content. They also do live system design discussions every week. They break

HSHigh Scalability·January 25, 2021Distributed
Frontend — The styled-components Happy Path

The styled-components Happy Path

styled-components is a wonderfully powerful styling library for React, and over the years I've learned a lot about how to use it effectively. This article shares my personal “best practices”.

JWJosh W. Comeau·January 25, 2021Frontend
Career & Teams — Making Remote Work Work: Useful Tools And Resources — Smashing Magazine

Making Remote Work Work: Useful Tools And Resources — Smashing Magazine

How to stay creative, focused, and organized when working remotely? In this article, Cosima Mielke has compiled some useful tools and resources to help you tackle some of the challenges of working remotely. The collection is by no means complete, but rather a selection of things that we found useful and that we hope will make your day-to-day work more productive and efficient, too.

CMCosima MielkeCosima Mielke·January 25, 2021Career & Teams
Engineering — Cloudflare Waiting Room

Cloudflare Waiting Room

Today, we are excited to announce Cloudflare Waiting Room! It will be first available to select customers through a new program called Project Fair Shot, with general availability in our Business and Enterprise plans in the near future.

BBrianBrian·January 22, 2021Engineering
Security — Network-layer DDoS attack trends for Q4 2020

Network-layer DDoS attack trends for Q4 2020

DDoS attack trends in the final quarter of 2020 defied norms in many ways. For the first time in 2020, Cloudflare observed an increase in the number of large DDoS attacks. Specifically, the number of attacks over 500Mbps and 50K pps saw a massive uptick.

VOVivek, OmerVivek, Omer·January 22, 2021Security
Engineering — Level up your code with TwilioQuest

Level up your code with TwilioQuest

It’s no secret that making your first contribution to open source can be intimidating. A Major League Hacking survey found that a majority of students know that contributing to open…

AKAriel KanterAriel Kanter·January 22, 2021Engineering
Engineering — Using GraphQL for High-Performing Mobile Applications - Shopify

Using GraphQL for High-Performing Mobile Applications - Shopify

GraphQL is the syntax that describes data that a client asks from a server. The client, in this case, is a mobile application. GraphQL is usually compared with REST API, a common syntax that most mobile application developers use. We will share how GraphQL can solve some of the pain points of REST API in mobile application development and discuss tips and best practices that we learned at Shopify

SEShopify Engineering·January 22, 2021Engineering
Career & Teams — When To Say No To Freelance Projects — Smashing Magazine

When To Say No To Freelance Projects — Smashing Magazine

Saying no is a skill. Saying yes to the wrong freelance opportunities can lead you toward misery and burnout, and we could all probably improve how mindful we are about our work, partners, and clients. For hungry freelancers, it can be hard to turn work away. But in the long run, saying no to a project that’s a bad fit will make you a better freelancer. This article will help freelancers and consu

BKBecca KennedyBecca Kennedy·January 22, 2021Career & Teams
Databases — Golden Proportions in PostgreSQL

Golden Proportions in PostgreSQL

Learn how PostgreSQL can help with basic calculations regarding golden proportions. Do mathematics in your database development work.

HSHans-Jürgen SchönigHans-Jürgen Schönig·January 21, 2021Databases
Engineering — The best of Changelog • 2020 Edition

The best of Changelog • 2020 Edition

If you haven’t seen it, the GitHub Changelog helps you keep up-to-date with all the latest features and updates to GitHub. We shipped a tonne of changes last year, and…

MDMichelle DukeMichelle Duke·January 21, 2021Engineering
Performance — How We Improved SmashingMag Performance — Smashing Magazine

How We Improved SmashingMag Performance — Smashing Magazine

In this article, we’ll take a close look at some of the changes we made on this very site — running on JAMStack with React — to optimize the web performance and improve the Core Web Vitals metrics. With some of the mistakes we’ve made, and some of the unexpected changes that helped boost all the metrics across the board. Hopefully, this little case-study will be useful to you, and perhaps there ar

VFVitaly FriedmanVitaly Friedman·January 21, 2021Performance
Frontend — New in Chrome 88: aspect-ratio

New in Chrome 88: aspect-ratio

And it was released yesterday! The big news for us in CSS Land is that the new release supports the aspect-ratio property. This comes right on the heels of

GGGeoff GrahamGeoff Graham·January 20, 2021Frontend
Security — Women in Security at Slack

Women in Security at Slack

Since its inception, Slack has fostered a culture of inclusion and diversity. The Security organization at Slack is a prime example of how women can thrive in the security space, transitioning to security from different backgrounds and expertises. With Slack’s strong commitment to diversity, it should not be a surprise that nearly a third of…

SKSuzanna Khatchatrian·January 20, 2021Security
Frontend — Life with ESM

Life with ESM

ESM, meaning ES Modules, meaning JavaScript Modules. Like, import and friends.

CCChris Coyier·January 19, 2021Frontend
Networking — Netlify Edge Handlers

Netlify Edge Handlers

Netlify Edge Handlers are in Early Access (you can request it), but they are super cool and I think they are worth wrapping your brain around now. I think

CCChris Coyier·January 19, 2021Networking