Caleb Rotich

Software Engineer @andela || Robotics || AI || ML || Web designer and programmer || Never lose sight of the bigger picture ©2019

[Bahasha @bahashatech]

This #MothersDay, make every message count!

Use Bahasha to send bulk WhatsApp greetings, offers, and love to your customers.

Fast. Personal. Heartfelt.

Start now → https://t.co/CxK0FrWNfq

#bahasha #MothersDay #MondayMotivation

[Bahasha @bahashatech]

Tired of missing customer Whatsapp messages? Let AI handle it for you.

With #bahasha, you can set up AI-powered smart replies that:
- answers customer queries instantly
- understands context & provides accurate answers

Smarter support begins here 👉 https://t.co/CxK0FrWNfq

[Bahasha @bahashatech]

With Bulk Whatsapp, you can:
- Reach customers directly where they chat most
- Enjoy higher open rates than email or SMS
- Send personalized messages, promotions, and updates effortlessly
- Use AI-powered replies for faster conversations
#bahasha
Try today https://t.co/CxK0FrWNfq

[Vic 📠 @VicVijayakumar]

A month ago I caused a sev when I was out on parental leave. Here’s how it happened.🤰

For a particular service my teams owns, when you merge code into main, it autodeploys to staging but not prod. You then run the integration tests, confirm they all work, and click a little button from the build UI to continue deploying to prod.

If you don’t want to run the integration tests manually, you can just wait and they run on a schedule every so many hours, and alert the team on Slack if they break.

———

This fateful day I had all my necessary approvals, and I merged my code into main toward the end of my day. The image deployed to staging. Instead of running the test suite manually I decided to let the service marinate overnight, and planned to deploy to prod in the morning.

That evening my wife went into labor a week ahead of schedule, and my parental leave started. 👶

A week later a partner team needed to deploy functionality that depended on my new code. They saw that it worked on stage, all tests passed, and pushed it out to prod. 😬

———

When this broke, no one paged or messaged me. They reverted immediately and because I work with a bunch of extremely smart people, it didn’t take them long to figure out the issue.

I had no idea this incident even happened until this week!

I was on a call this week about improving our processes to prevent issues like SEV-XYZ (and others) from happening again and went “wait what was that one” 😅

Not planning on having any more kids though so I think we can close that betterment!

———

Anyway my friends, test on prod.

Reduce the number of manual processes you have. Automate that button click.

Increase the visibility of differences between your environments.

If you’re able to, consider feature flags or canary deployments. Deploy to 1%, measure error rate, increase traffic.

Accept responsibility for failures. Build the kind of blameless culture where people aren’t afraid to accept responsibility for their failures.

Don’t ding people for breaking prod. Failures are rarely attributable to a single individual from start to finish.

[AfricaSasa Experiences @sasa_events]

Are you looking for fun and exciting group activities to do in Nairobi? Look no further! Here are some great group activities to try.

[AfricaSasa Experiences @sasa_events]

Ticket purchase for the upcoming afro latin dance is still open at https://t.co/uP0Qz4J9gH. Simple and fast steps and you'll be on your way to an amazing time at the kichaka afro-latin Party in the wild by @denasi_ent

#afrolatindance #africasasaexperiences

[AfricaSasa Experiences @sasa_events]

Get ready to Sip and Dance the night away with JosLyon at @twograpesnbi on Saturday, April 22nd! 🍷🎶 This is the perfect opportunity to let loose and enjoy some good Latin dance vibes Don't miss out on this unforgettable event! Get your tickets at https://t.co/G2dM4RSbob

[AfricaSasa.com Events - Nairobi Events Calendar @EventsSasa]

Happy Valentine's Day, Nairobi! There's a whole lot of events going on in Nairobi for Valentines. Check out couple friendly things to do in Nairobi this week at https://t.co/xKGBUp0jVn

[robin @swaglord__420]

the first thing our new hire did was fix a bug that's been bugging him forever as a user prior to joining.

he then breathed a sigh of relief and submitted his two weeks' notice. wtf??

[Vercel @vercel]

Next.js Layouts RFC

◆ Nested routes / layouts
◆ Designed for Server Components
◆ Fetch in layouts while avoiding waterfalls
◆ React 18 features – startTransition, Suspense
◆ Client and server routing
◆ 100% incrementally adoptable

https://t.co/jvaVOmyB8A

[Chris Hladczuk @chrishlad]

How a $19 billion startup began by accident

Here's a story you don't want to miss👇

[GitHub @github]

Meet GitHub Copilot - your AI pair programmer. https://t.co/eWPueAXTFt

[Addy Osmani @addyosmani]

CSS "content-visibility:auto" is amazing: skip rendering & painting offscreen content until needed. I got a ~1s faster render on a long HTML document on desktop, ~3s on mobile.

https://t.co/Q2X2xPVj6l

[Álvaro Trigo 🐦🔥 @IMAC2]

📈 My top tips to improve websites loading performance:

- Use async to load non blocking JS
- Defer all you can
- Reduce HTTP requests
- Inline critical CSS/JS
- Use DNS prefetch
- Use SSL + HTTP2
- Use a CDN

[Programming Wisdom @CodeWisdom]

"Features, quality, time: pick two." - Anonymous

[Sunil Kumar | Freelancing Tips @sunilc_]

Are you a front-end developer?

You should check these online design tools:

🧵👇🏻

[JavaGrifter.eth @javagrifter]

I saved my company 100k a month by switching from AWS to Localhost! 💪🏻💻🤳🏻

[Caleb Rotich @caleb_rotich]

As a software developer, aspire to learn at least one programming language that runs on JVM. ( Java, Kotlin, Scala e.t.c )

[GitHub @github]

The first round of monthly payouts have gone out to developers in the #GithubSponsors beta.

Sign up for the waitlist, recommend developers and more—invites are sent out regularly.
https://t.co/66S6AFliGo

[egghead.io @eggheadio]

Introduction to Refactoring a React Application to React Hooks - #react lesson by @kentcdodds https://t.co/1TGCzyHszp