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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3525 posts
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Choosing a Rate Limiting Algorithm — What Really Separates Fixed Window, Sliding, and Token Bucket
Letting 200 requests through a 100-per-minute limit is not a bug. It is the defined behaviour of the fixed window algorithm. This post compares the memory and accuracy tradeoffs of four approaches — fixed window, sliding
2026-07-26 · 12 min read #web#rate-limiting#api-design#redis#reliabilityUsing HTTP Caching Properly — What Cache-Control, ETag, and stale-while-revalidate Actually Mean
no-cache does not mean do not cache. It means store it, but revalidate before reusing it. Starting from that one-word difference, this post lays out the exact meaning of each Cache-Control directive, what conditional req
2026-07-26 · 11 min read #web#http-caching#cache-control#cdn#performanceThe Craft of Salary Negotiation — Two Sides That Already Chose Each Other, Lining Up the Terms
The reason your hands freeze in front of an offer email is usually not a lack of information but embarrassment. Yet an offer means the company has already decided to pick you, and all that remains is two sides on the sam
2026-07-26 · 12 min read #career#negotiation#salary#job-search#communicationWhy Detective Fiction Is So Addictive — A Genealogy of Tricks and the Game With the Reader
Detective fiction is a game the author plays fair and square against the reader. The three axes of whodunit, howdunit, and whydunit; Knox's Decalogue and Van Dine's twenty rules, which put fair play into writing; the sig
2026-07-21 · 8 min read #storytelling#mystery#fiction#narrative#cultureWhy Magic Is Only Fun When It Has Rules — The Grammar of Fantasy Worldbuilding
When magic can do anything, the story stops being fun. Brandon Sanderson's three laws explain that paradox precisely. Campbell's hero's journey and its limits, the difference between hard magic and soft magic, the lineag
2026-07-21 · 8 min read #storytelling#fantasy#worldbuilding#narrative#cultureWhy Regression, Possession, and Reincarnation Work So Well — Dissecting the Grammar of Web Novels
Before you write web novels off as juvenile, look at why the form is shaped the way it is and the story changes. The information asymmetry manufactured by regression, possession, and reincarnation; the emotional rhythm K
2026-07-21 · 7 min read #storytelling#web-novel#fiction#narrative#cultureDoes Willpower Really Run Out — From the Radish Experiment to the Replication Crisis, with Publication Bias in Code
"Willpower drains like a muscle." The ego depletion theory once looked like one of the most solid ideas in psychology. From the 1998 experiment in which students who ate radishes in a room full of chocolate aroma gave up
2026-07-20 · 7 min read #psychology#paper-review#mindset#willpower#replicationHow Far Do Income and Happiness Rise Together — The Full Story of the 75,000 Dollar Debate
"Beyond an annual income of 75,000 dollars, happiness stops rising." Kahneman and his 2010 study turned that into common sense. Then in 2021 Killingsworth, using real-time smartphone data, reported the exact opposite — h
2026-07-20 · 6 min read #psychology#paper-review#mindset#happiness#moneyGrowth Mindset, Between Hype and Truth — From the Praise Experiment to a Nation-Scale Test
Growth mindset — the idea that believing ability can change makes grades go up — swept through education, and the hype grew just as fast. This post restores the starting point, the 1998 praise experiment by Mueller and D
2026-07-20 · 6 min read #psychology#paper-review#mindset#growth#educationMotivation Is Overrated — Design Systems, Not Goals
When a January resolution vanishes by February, the cause is not weak willpower but a flawed design. Motivation is a resource that rises and falls like waves, so any plan that leans on it is bound to collapse. Starting f
2026-07-20 · 7 min read #mindset#habits#routine#self-improvement#productivityWhy 10,000 Hours Alone Will Not Make You Better — The 4 Real Conditions of Deliberate Practice
Why do some people have ten years of experience but the skills of a third-year? The 10,000-hour rule is a popular distortion that Anders Ericsson, the original researcher, himself called a misreading. This post restores,
2026-07-20 · 7 min read #mindset#self-improvement#deliberate-practice#learning#growthWhy You Fall Apart Only When It Matters — The Psychology of Choking and How to Train for Pressure
Perfect in practice, broken in the real thing — choking under pressure is not a matter of talent or effort but a malfunction of the attention system. Starting from Jana Novotna at the 1993 Wimbledon final, this post look
2026-07-20 · 7 min read #mindset#sports-psychology#pressure#performance#confidenceStopping Does Not Mean Falling Behind — What Burnout Taught Me
The harder you have worked, the less you know how to stop. Burnout is a condition that arrives from the opposite side of laziness. This post walks through the three signals of burnout as defined by the World Health Organ
2026-07-20 · 6 min read #mindset#healing#burnout#rest#recoveryMental Strength Comes From the Body — The Physiology of Sleep, Exercise, and Breathing
If your attempts to fix your mental state with willpower and positive thinking keep failing, the order may be wrong. Emotional regulation is largely a function of physiological state. From the mechanism by which sleep de
2026-07-20 · 7 min read #mindset#health#sleep#exercise#recoveryThe Original Paper Behind the 10,000-Hour Debate — Berlin Violinists and the 12% Truth
Open the 1993 Ericsson paper where the 10,000-hour rule was born, and you find a picture quite different from the one the bestsellers told. This installment reads, in order, the actual design of the Berlin music academy
2026-07-20 · 6 min read #psychology#paper-review#mindset#deliberate-practice#expertiseDo Not Reread — Close the Book and Recall: The Original Testing-Effect Paper and the Spaced-Repetition Algorithm
Rereading your notes feels like knowing, but the exam exposes the gap. Roediger and Karpicke's 2006 experiment shows exactly why: rereading wins a test five minutes later, then loses badly to repeated retrieval (testing
2026-07-20 · 7 min read #psychology#paper-review#mindset#learning#memoryTesting Running Against Antidepressants — The SMILE Trial and the 25 Years Since
Everyone says exercise is good for your mood, but clinical trials that randomly assign patients with depression to exercise or an antidepressant and compare them head to head are rare. In 1999, the SMILE study led by Blu
2026-07-20 · 6 min read #psychology#paper-review#mindset#exercise#mental-healthThe Marshmallow Test Is Only Half True — From the Original Paper to the 2018 Replication
The marshmallow test supposedly proves that patience at age 4 decides your life. Read the original paper, though, and the popular myth starts to crack. What the 1972 Mischel experiment actually showed (waiting is a matte
2026-07-20 · 6 min read #psychology#paper-review#mindset#self-control#replicationA Wandering Mind Is an Unhappy Mind — The 250,000-Moment Happiness Study Run on iPhones
A two-page paper published in Science in 2010 sampled the daily lives of 2,250 people in real time through a smartphone app and reported striking findings: people spend 47% of their waking hours thinking about something
2026-07-20 · 6 min read #psychology#paper-review#mindset#happiness#focusDoes the Gratitude Journal Actually Work — The Counting Blessings Experiment and Honest Effect Sizes
The gratitude journal, that staple prescription of self-help content, traces back to the 2003 counting-blessings experiment by Emmons and McCullough. The group that wrote down five things they were grateful for each week
2026-07-20 · 6 min read #psychology#paper-review#mindset#gratitude#healing