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  The Secret Life of Python: Introduction to Asyncio A practical guide to coroutines, the event loop, and cooperative multitasking #Python   #Asyncio   #AsyncAwait   #ConcurrentProgramming Margaret is a senior software engineer. Timothy is her junior colleague. They work in a grand Victorian library in London — the kind of place where code quality is the unspoken objective, and craftsmanship is the only thing that matters. Episode 40 Timothy was looking at his Chess Club server. It was popular—so popular that he now had 5,000 players trying to connect at once to check their match rankings. "I tried using Threads," Timothy told Margaret, "but with 5,000 threads, my laptop started screaming. Then I tried Processes, but my memory ran out after just a few dozen. How am I supposed to handle thousands of people at once if I can't afford the 'workers' to watch them?" Margaret stood up and picked up three tennis balls. She started to juggle. "You’ve been tr...

  The Secret Life of Python: How to Share Data Between Processes A practical guide to  Value ,  Array , and when to use queues instead #Python   #Multiprocessing   #SharedMemory   #ParallelProgramming Margaret is a senior software engineer. Timothy is her junior colleague. They work in a grand Victorian library in London — the kind of place where code quality is the unspoken objective, and craftsmanship is the only thing that matters. Episode 39 Timothy was looking at his "Grandmaster Analysis" engine. It was fast—blindingly fast—but it had a major flaw. Each of his four worker processes was living in its own  Parallel Universe . "Margaret," Timothy said, "I want to display a live 'Global High Score' on my screen. I want every worker to be able to add to the same total whenever they find a winning move. But when I use a normal global variable, each worker just updates their own private copy. At the end, my main program still thinks the total is zero!...

  Tech-Reader AI Digest Monday, April 27, 2026 #AI   #TechNews   #Digest Story 1: The AI Trial of the Century Begins — Nine Jurors Seated, Opening Arguments Tuesday What happened:  The nine-person jury was seated on Monday in the high-stakes legal battle between longtime friends turned rivals Elon Musk and Sam Altman at a federal courthouse in Oakland, California. Opening statements will begin tomorrow. The trial will be divided into two parts. The first part is the liability phase, meant to last until May 21. It's being called the "AI Trial of the Century," with Elon Musk and Sam Altman in starring roles, and a supporting cast that includes Microsoft CEO Satya Nadella, CTO Kevin Scott and CFO Amy Hood. Monday morning in Oakland, Altman and OpenAI President Greg Brockman were on hand for jury selection, with the OpenAI CEO sitting in the front row behind the lawyers' tables in a dark suit and light blue tie, quietly scrolling on his phone as he waited for the process...

  The Secret Life of Python: Using  imap  for Streaming Results How to process data as it finishes, not when everything is done #Python   #Multiprocessing   #StreamingResults   #imap Margaret is a senior software engineer. Timothy is her junior colleague. They work in a grand Victorian library in London — the kind of place where code quality is the unspoken objective, and craftsmanship is the only thing that matters. Episode 38 Timothy was happy with his new  Process Pool —a tool that let him hire a "fleet" of workers to analyze chess matches across all the cores of his CPU. But he noticed a frustrating bottleneck. Some of his chess matches were "Blitz" games (taking seconds to analyze), while others were "Marathons" (taking minutes). "Margaret," Timothy said, "the standard  pool.map  command is making me wait. If the first match in the pile is a slow Marathon, I don't see the results of the nine fast Blitz matches until that one slow on...

  The Secret Life of AI: Why Your Best Prompts Fail How to prompt, think, and get results from any AI tool #WorkingWithAI   #Prompting   #AIConfidence Margaret is a senior software engineer. Timothy is her junior colleague. They work in a grand Victorian library in London — and in every episode, they'll show you exactly how to get what you want from AI. Episode 6 Timothy set his notebook on the table with the quiet precision of someone who had prepared carefully and was still confused about what had gone wrong. "I did everything right," he said. Margaret looked up. She recognized that particular frustration — not the hot anger of the rage quit, but the cooler, more bewildering feeling of having followed the instructions and still arrived nowhere useful. "Tell me," she said. "I spent twenty minutes on the prompt." He opened the notebook. "Specific. Clear. Structured. The kind of prompt you'd hold up as an example." He paused. "The out...