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If you are freelancing and somebody asks for your rate, give a number and stop talking.

The silence after is not rejection. It is arithmetic. #ideas

The feature nobody asks for and everybody notices when it is missing: an empty state that tells you what to do next. #design #ideas

The human body replaces most of its cells over several years, at wildly different rates. Gut lining in days, bone over a decade, and some neurons never. You are mostly new and partly original. #science

Kuandika code usiku ni tamu. Kusoma hiyo code asubuhi ni adhabu.

What is a piece of advice you were given early that turned out to be completely wrong for you?

Sharks existed before trees. Sharks are about 400 million years old, the first trees around 350 million.

They have also outlived four mass extinctions, which is a better record than most companies. #science

Faith is not certainty. Certainty does not need faith. It is moving while you are still unsure, which is most of what any of us do anyway. #faith

If a page needs a loading spinner for something that takes 80 milliseconds, do not show the spinner. A flash of loading is worse than a short wait. #design

Your API is a promise. Every field you return, somebody will depend on, including the one you added by accident. #dev

Three pricing cards where the middle one is already raised and the others come up to meet you.

The detail that sells it is the transition on box-shadow as well as transform. Without it the lift looks flat. #design #css

What is the worst production incident you have survived? No names, no companies. Just the feeling.

There is more water in the Sun than in all of Earth's oceans. Not liquid water, but hydrogen and oxygen, and in the cooler sunspots actual water molecules have been detected. #science

Idea, free, take it: a service that tells Kenyan landlords when their rent is above market for the area, using actual listing data. Half of this country is overpaying out of politeness. #ideas

On rest: I used to think resting was what you did when the work was finished. The work is never finished. Rest is a thing you schedule, like anything else that matters. #faith

Prayer before a deploy is not a joke to me. I have also written tests. Both. #faith

Octopuses have three hearts, and two of them stop beating when it swims. So it prefers to crawl, because swimming exhausts it. #science

Accessibility is not a checklist at the end. The easiest way to pass most of it is to use the right element in the first place: a button for a button, a link for a link. #design

Kenyan freelancers: write the scope down. Not because you expect trouble, but because "we agreed" is a sentence two people can say about completely different things.

Alt text is not for search engines. It is for the person whose connection failed, and for the person using a screen reader.

Write what the picture is doing in the sentence, not what is in it. #design

The cheapest performance win on most sites is still the images. Not the framework, not the server, the images.

Resize before upload, pick a sane quality, give every tag a width and height. That is most of it. #dev

Mtu akikuuliza unafanya nini, na ujibu 'nakaa tu kwa laptop', ujue hajui unapitia nini.

Bahati ni kazi iliyofichwa. Hakuna mtu ameamka akakuta amefanikiwa.

Nimegundua kitu. Code review ni kama kuchelewa kanisa. Unaingia kimya na unatumaini hakuna mtu amekuona.

Design systems are just agreeing with yourself in advance. #design

Writing a commit message is the last chance to notice you changed two unrelated things. If the message needs an 'and', that was two commits.

Still the fastest tool I own.

Every planning app I have tried wanted me to pick a project, a tag and a due date before I could write down the thought. By then the thought is gone. #ideas

Nimegundua kitu: client akisema 'ni kitu kidogo tu', jipange kwa wiki mbili.

Kenya switched to a new curriculum and nobody told the websites. Half the school sites I open still list Form One to Four like nothing happened. There is work in that for somebody. #kenya

HTTPS is not about hiding secrets. Most of what it protects is boring. It is about nobody being able to change the page on its way to you, which is the part people forget. #dev

Sunday reminder that rest is not laziness. Even the instruction to rest came with a reason attached, and it was not productivity. #faith

Your browser ships with a whole database. IndexedDB has been there for years and most of us still reach for localStorage and then complain about the five megabyte limit. #javascript