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Plotting histograms in the terminal
1+ hour, 22+ min ago (883+ words) A simple C library for plotting histograms in the terminal. Tagged with coding, github, opensource, programming....
Rate Limiting: The Traffic Cop Your API Needs
1+ hour, 45+ min ago (317+ words) Your API can be perfectly designed and still fail when too many requests hit it at once. That’s where rate limiting comes in. Rate limiting controls how many requests a client can make to your API within a specific period....
What is Vectorization in Data Science? How it Speeds Up Statistical Computing
1+ day, 16+ hour ago (761+ words) Vectorization replaces manual, element-by-element loops with operations that run across entire arrays at once. The speed gain comes from compiled code, CPU features like SIMD, and better memory access, not from shorter syntax alone. The technique has limits: dependent calculations,…...
Unknown `.apc/` Paths Should Not Become Hidden Instructions
2+ hour, 45+ min ago (532+ words) A repository can contain a file under.apc/ without making that file part of the APC contract. The APC folder structure specification says consumers ignore unknown paths unless a formal APC extension defines them. That small rule gives teams room…...
Stop chaining cron jobs: run a DAG workflow across your cluster
4+ hour, 3+ min ago (157+ words) Every team ends up here. One cron job at 02:00 charges the orders. Another at 02:15 ships them,... Tagged with automation, devops, distributedsystems, springboot....
Building a production-ready AI chatbot with memory and context
4+ hour, 46+ min ago (657+ words) Most chatbot tutorials end after the first response. Production chatbots need to remember what was said three turns ago, survive restarts, and stay within token budgets — that's where the real work is. Skip that layer and you'll be rewriting core…...
Building a Hacker News Scraper with Python and BeautifulSoup
4+ hour, 12+ min ago (21+ words) Introduction I built a Python web scraper that collects Hacker News stories and saves them... Tagged with python, webscraping, beginners, tutorial....
Building a tested calculator in the Uniface 10 IDE
4+ hour, 34+ min ago (316+ words) Uniface is one of those tools you rarely read about, but that still runs a surprising amount of... Tagged with uniface, lowcode, testing, legacy....
Point the official Sentry SDK at self-hosted ingest (DSN only)
4+ hour, 43+ min ago (488+ words) Clone the public tree and start compose from the repo root: Two services: the app image and postgres:16-alpine. No Redis. No separate worker fleet on this laptop path. If port 8080 is taken: From the dashboard: Settings → SDK connection (or…...
That bcrypt.hash(password, 10) You Copy-Pasted Might Not Be as Secure as You Think
4+ hour, 56+ min ago (1446+ words) Almost every auth tutorial, including some of my own examples in earlier posts, uses bcrypt.hash(password, 10) without much explanation of what that number actually controls or why it's 10 specifically rather than some other value. It's worth understanding, because the…...