Daniel Pertu - DEV Community

Daniel Pertu

Sep 24

Two DMGs, because a universal build would ship two Chromiums

#electron #devops #node #webdev

7 min read

Daniel Pertu

Sep 24

A settings file with one field left, and a migration that only deletes

#electron #typescript #architecture #security

6 min read

Daniel Pertu

Sep 24

A hook whose return value nobody uses

#react #typescript #electron #webdev

5 min read

Daniel Pertu

Sep 24

The app found the listing, and then had nothing to show you

#electron #typescript #architecture #node

6 min read

Daniel Pertu

Sep 24

A 200 from IndexNow does not mean it read your key

#seo #node #typescript #webdev

7 min read

Daniel Pertu

Sep 24

fs.cpSync copied the framework and left every symlink pointing at the cache

#electron #node #macos #javascript

5 min read

Daniel Pertu

Sep 24

There is no hand-typed verdict in our ads: 16 reels rendered by the product engine

#react #webdev #design #typescript

6 min read

Daniel Pertu

Sep 24

We pay contributors with a Stripe coupon, not a balance credit, and tax is why

#stripe #saas #webdev #typescript

7 min read

Daniel Pertu

Sep 24

Erasure is easy when the sensitive data was never on your server

#privacy #webdev #typescript #postgres

6 min read

Daniel Pertu

Sep 24

A sitemap is not internal linking: the index page our 373 generated pages needed

#seo #nextjs #webdev #typescript

6 min read

Daniel Pertu

Sep 24

38 recipes, seven conditions, and the seven collection pages we did not build

#seo #webdev #nextjs #typescript

6 min read

Daniel Pertu

Sep 24

A four-phase state machine, 88 CSS rules, and no video in our hero

#css #webdev #react #frontend

6 min read

Daniel Pertu

Sep 24

"You improved" is a statistical claim, and on eight attempts it is usually false

#typescript #datascience #node #webdev

1

4 min read

Daniel Pertu

Sep 24

One media query fixed every email on mobile, because every row is a direct child

#html #css #email #webdev

5 min read

Daniel Pertu

Sep 24

An onboarding answer is a fact in a column until you join it to behaviour

#typescript #architecture #webdev #saas

5 min read

Daniel Pertu

Sep 24

The components own the markup, the page owns every word

#nextjs #react #seo #typescript

5 min read

Daniel Pertu

Sep 24

The 235 URLs we announce to Bing come from one function, and it is sitemap()

#seo #nextjs #typescript #webdev

5 min read

Daniel Pertu

Sep 24

The price resolved the country one way, and the tax resolved it another

#stripe #nextjs #typescript #webdev

5 min read

Daniel Pertu

Sep 23

Our ad creative imports the production rules engine

#showdev #react #video #typescript

5 min read

Daniel Pertu

Sep 23

One real scan counts a hundred: ranking a curation queue by your own users

#postgres #sql #database #privacy

5 min read

Daniel Pertu

Sep 23

Sixty percent of our model backlog was never a question for a model

#ai #architecture #typescript #programming

5 min read

Daniel Pertu

Sep 23

Telling search engines only what actually changed, from 426 pages

#seo #node #webdev #nextjs

5 min read

Daniel Pertu

Sep 23

The quality gates we deleted from our user submitted data

#architecture #webdev #typescript #security

5 min read

Daniel Pertu

Sep 23

A dynamic segment at your site root answers for every URL you never wrote

#nextjs #seo #webdev #typescript

4 min read

Daniel Pertu

Sep 23

Fifteen nearly identical pages, and a type that refuses to let them be identical

#seo #typescript #nextjs #webdev

1

6 min read

Daniel Pertu

Sep 23

Four frames before anything happens: what a new SSE client is told

#node #electron #webdev #typescript

5 min read

Daniel Pertu

Sep 23

The store decides what is new, and the banner follows

#typescript #electron #architecture #node

6 min read

Daniel Pertu

Sep 23

The browser copied fine, and every symlink still pointed at the cache

#electron #node #macos #javascript

5 min read

Daniel Pertu

Sep 23

One POST tells four search engines a page changed, and the URL list must not be typed by hand

#seo #nextjs #node #webdev

6 min read

Daniel Pertu

Sep 23

Merchant of record for 27 countries, and deliberately off for our own

#stripe #payments #saas #typescript

6 min read

Daniel Pertu

Sep 23

A 200 from IndexNow does not mean it read your key

#seo #webdev #nextjs #typescript

6 min read

Daniel Pertu

Sep 23

Three signals competed for the post-login redirect, and ranking them was the whole fix

#nextjs #webdev #security #typescript

6 min read

Daniel Pertu

Sep 23

posthog-js on our site never talks to posthog.com, and the rewrite order is the whole trick

#nextjs #analytics #webdev #performance

6 min read

Daniel Pertu

Sep 23

Our health endpoint reports how many environment variables are missing, never which ones

#node #security #webdev #devops

5 min read

Daniel Pertu

Sep 23

Three entries in our Next.js config did nothing, and one was holding production up

#nextjs #webdev #performance #javascript

5 min read

Daniel Pertu

Sep 23

Our robots.txt allows /games/ and then disallows 165 paths underneath it

#seo #nextjs #webdev

5 min read

Daniel Pertu

Sep 22

Giving away a licence when the schema assumes a payment

#postgres #saas #node #webdev

1

6 min read

Daniel Pertu

Sep 22

Four sites, one publisher, and an @id that is not a link

#seo #nextjs #typescript #webdev

5 min read

Daniel Pertu

Sep 22

Our retry ladder was keyed by the wrong thing

#node #typescript #architecture #programming

5 min read

Daniel Pertu

Sep 22

Most of our diff code exists to not send an alert

#node #architecture #typescript #webdev

5 min read

Daniel Pertu

Sep 22

One banner per search, not one per listing

#electron #node #ux #javascript

4 min read

Daniel Pertu

Sep 22

The window reloads every time you open it, so it cannot own the state

#electron #architecture #typescript #webdev

4 min read

Daniel Pertu

Sep 22

1,250,964 audit rows recording that nothing happened

#postgres #devops #database #node

5 min read

Daniel Pertu

Sep 22

45% of our stored ingredient tags were derivable, so we deleted them

#postgres #database #architecture #node

6 min read

Daniel Pertu

Sep 22

We stopped letting Stripe convert our price, because nobody could quote it

#stripe #saas #typescript #webdev

5 min read

Daniel Pertu

Sep 22

A food log with no server, no sync and no opinion about your data

#reactnative #privacy #mobile #typescript

6 min read

Daniel Pertu

Sep 22

Our product search only returns rows the scanner can actually answer for

#postgres #sql #database #webdev

5 min read

Daniel Pertu

Sep 22

Citric acid is on 14,836 of our products, so the filter has to stay quiet about it

#architecture #webdev #programming #typescript

6 min read

Daniel Pertu

Sep 22

One @id string, deliberately duplicated across four repositories

#seo #nextjs #typescript #webdev

6 min read

Daniel Pertu

Sep 22

We have no marketing state table, only five SQL windows over timestamps we already had

#postgres #sql #email #webdev

6 min read

Daniel Pertu

Sep 22

The affiliate commission was agreed before we knew the buyer's country

#stripe #typescript #saas #webdev

6 min read

Daniel Pertu

Sep 22

121,570 blocked domains, and none of them reach the browser

#node #security #webdev #performance

5 min read

Daniel Pertu

Sep 22

Five gates in one API wrapper, and the order is the whole design

#nextjs #security #api #webdev

6 min read

Daniel Pertu

Sep 22

Only 15 of our 38 employer pages could cite a source, so the type now demands one

#typescript #architecture #seo #webdev

5 min read

Daniel Pertu

Sep 21

Four PDF reports, one download helper, and a race I deliberately did not fix

#react #typescript #javascript #webdev

5 min read

Daniel Pertu

Sep 21

Three search rankers in one codebase, and none of them should be shared

#algorithms #typescript #ux #webdev

5 min read

Daniel Pertu

Sep 21

A question is not always the unit: four content shapes in one JSON library

#typescript #architecture #programming #webdev

4 min read

Daniel Pertu

Sep 21

'2026-27' is a better database key than a date range

#database #postgres #typescript #webdev

4 min read

Daniel Pertu

Sep 21

percentile_cont, a 20,000 row window, and the difference between skipped and failed

#postgres #sql #database #node

4 min read

Daniel Pertu

Sep 21

Gmail deletes your SVG logo and Outlook ignores your flexbox

#html #css #webdev #email

1

4 min read

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