https://andreipfeiffer.dev
Andrei Pfeiffer, personal blog
2026-01-25T13:53:34.122Z
https://github.com/jpmonette/feed
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
This blog if focused on technical content related to Front-End technologies and UI development.
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All rights reserved 2020-2026, Andrei Pfeiffer
<![CDATA[Will LLMs evolve with programming languages?]]>
https://andreipfeiffer.dev/blog/2026/llms-and-programming-languages-evolution
2026-01-25T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The complete map of project anatomies]]>
https://andreipfeiffer.dev/blog/2026/project-anatomies
2026-01-11T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 1: Project setup]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part1-project-setup
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 2: Coding guidelines]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part2-coding-guidelines
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 3: Development workflows]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part3-development-workflows
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 4: Product requirements]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part4-product-requirements
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 5: UI Components library]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part5-ui-components-library
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 6: Data structures]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part6-data-structures
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Part 7: Technical decisions]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part7-technical-decisions
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The code etymologist:Closing thoughts]]>
https://andreipfeiffer.dev/blog/2025/the-code-etymologist/part8-closing-thoughts
2025-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Nullable type narrowing in tests]]>
https://andreipfeiffer.dev/blog/2024/nullable-type-narrowing-in-tests
2024-08-17T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Partial matching test assertions]]>
https://andreipfeiffer.dev/blog/2024/partial-test-assertions
2024-08-09T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Hash Maps in TypeScript]]>
https://andreipfeiffer.dev/blog/2023/typescript-hashmaps
2023-11-23T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[A decade of testing]]>
https://andreipfeiffer.dev/blog/2022/a-decade-of-testing
2022-12-19T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Reasons for writing tests]]>
https://andreipfeiffer.dev/blog/2022/reasons-for-writing-tests
2022-10-30T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Excuses for not writing tests]]>
https://andreipfeiffer.dev/blog/2022/excuses-for-not-writing-tests
2022-10-29T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Fixing long npm installs:Case study]]>
https://andreipfeiffer.dev/blog/2022/fixing-long-npm-installs
2022-07-07T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Epilogue]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part9-epilogue
2022-06-20T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 8: Type-safe CSS]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part8-type-safe-css
2022-06-06T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 7: CSS-in-JS]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part7-css-in-js
2022-05-30T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[CSS-in-JS misconceptions]]>
https://andreipfeiffer.dev/blog/2022/css-in-js-misconceptions
2022-05-28T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 6: Atomic CSS]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part6-atomic-css
2022-05-13T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 4: Methodologies and Semantics]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part4-methologies-and-semantics
2022-03-26T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 3: CSS Processors]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part3-css-processors
2022-02-23T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 2: Good practices]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part2-good-practices
2022-02-14T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 1: CSS scalability issues]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part1-scalability-issues
2022-02-02T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution
2022-01-24T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Isolated Components Driven Development]]>
https://andreipfeiffer.dev/blog/2021/isolated-components-driven-development
2021-10-10T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The anatomy of React component files]]>
https://andreipfeiffer.dev/blog/2021/react-components-anatomy
2021-09-21T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[CSS-in-JS styles output methods]]>
https://andreipfeiffer.dev/blog/2021/css-in-js-styles-output
2021-09-06T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Developing UIs connected to web APIs]]>
https://andreipfeiffer.dev/blog/2021/developing-uis-connected-to-web-apis
2021-08-18T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Validating our understanding]]>
https://andreipfeiffer.dev/blog/2021/validating-our-understanding
2021-07-15T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Complementary learning]]>
https://andreipfeiffer.dev/blog/2021/complementary-learning
2021-07-09T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Distinguishing between pages and components in Next.js]]>
https://andreipfeiffer.dev/blog/2021/distinguishing-between-pages-and-components-in-next-js
2021-06-04T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[The evolution of scalable CSS:Part 5: Styles Encapsulation]]>
https://andreipfeiffer.dev/blog/2022/scalable-css-evolution/part5-styles-encapsulation
2021-04-19T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Empty objects initialization with TypeScript]]>
https://andreipfeiffer.dev/blog/2020/empty-objects-initialization-with-typescript
2020-12-27T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Tech Debt or Tech Loan?]]>
https://andreipfeiffer.dev/blog/2020/tech-debt-tech-loan
2020-12-22T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei
<![CDATA[Definition lists with grid layout]]>
https://andreipfeiffer.dev/blog/2020/definition-lists-with-grid-layout
2020-11-06T00:00:00.000Z
Andrei Pfeiffer
andrei@upsidedown.ro
https://twitter.com/pfeiffer_andrei