Blog

#2026-03 765#english 592#culture 264#deep-dive 254#kubernetes 249#career 229#ai 219#llm 209#devops 196#2026-04 146#security 143#database 114#observability 113#communication 109#history 107#architecture 100#productivity 96#finance 88#economy 84#mindset 81#psychology 80#ai-papers 79#food 78#it 78#travel 78#deep-learning 77#japanese 77#networking 77#performance 72#business-travel 70#linux 70#gpu 69#ai-agent 66#cs-fundamentals 63#postgresql 61#rag 58#self-improvement 55#learning 53#mlops 53#python 52

• The Art of Good Conversation — Making a First Meeting Feel Easy ♪ Listenable

  A look at the psychology behind good conversation on a first meeting. We cover listening and curiosity, the reciprocity of self-disclosure, open questions, finding common ground, conversational anti-patterns, and respect

  2026-07-01 · 22 min read #relationships#communication#dating#listening#psychology

• The Science of Procrastination — Why We Pass the Buck to Tomorrow-Us ♪ Listenable

  Procrastination is not laziness but a failure of emotion regulation. From present bias and time inconsistency to the tug-of-war between the limbic system and prefrontal cortex, to the two-minute rule and temptation bundl

  2026-07-01 · 25 min read #culture#procrastination#psychology#emotion-regulation#behavioral-science

• Writing Great Client-Facing Documentation — Communication That Builds Trust

  From proposals to incident reports, the documents you send to clients are vessels of trust. This guide covers writing patterns for each document type, audience awareness, clarity, tone, and the legal implications of lang

  2026-07-01 · 17 min read #documentation#communication#writing#client#soft-skills

• The Truth About Dopamine Detox — Focus Myths and the Science ♪ Listenable

  Dopamine is not a pleasure chemical but a signal of motivation and prediction. This piece examines the scientific basis of the trendy dopamine detox and, evidence in hand, cheerfully explores what really helps focus in a

  2026-07-01 · 28 min read #culture#dopamine#attention#focus#neuroscience

• Rust Traits, Generics, and Trait Objects

  Traits are Rust's interfaces, and then some. The difference between traits and interfaces, generic trait bounds, the trade-off between static dispatch and dyn trait objects (dynamic dispatch), associated types, blanket i

  2026-07-01 · 11 min read #rust#traits#generics

• How to Read Code You Didn't Write

  Developers spend far more time reading code than writing it, yet nobody teaches code reading. Find the entry point, follow the data instead of every line, treat tests and types as documentation, draw call graphs with gre

  2026-07-01 · 11 min read #code-reading#engineering#onboarding#fundamentals

• Double-Entry Ledgers: Designing Systems That Never Lose Money

  Why a 600-year-old accounting technique is the beating heart of modern payment systems. Debits equal credits, immutable append-only entries, accounts and balances, the answer to "why not just a balance column?", reconcil

  2026-07-01 · 15 min read #payments#ledger#accounting#databases

• From JLPT N3 to N2 — A Roadmap for Breaking Through the Intermediate Wall ♪ Listenable

  For learners who have passed JLPT N3 and want to move up to N2, this guide breaks down the jump in difficulty subject by subject, then lays out 3-month and 6-month study plans, the 20 most common N2 grammar points, an N3

  2026-06-30 · 28 min read #japanese#jlpt#n2#study-guide#reading

• Mastering Japanese Particles — wa, ga, o, ni, de, e, to

  Particles are what trip up Japanese learners the longest. This guide organizes wa vs ga, ni vs de, and e, to, kara, made by function, with abundant example sentences and comparison tables, including the correspondences a

  2026-06-30 · 14 min read #japanese#particles#grammar#joshi#study-guide

• Mastering Giving and Receiving Verbs — あげる, くれる, もらう

  A guide to the directionality of the Japanese giving-and-receiving verbs あげる, くれる, and もらう, their honorific forms (さしあげる, くださる, いただく), and how the te-form plus these verbs expresses favors. Covers perspective and viewpoi

  2026-06-30 · 12 min read #japanese#grammar#verbs#giving-receiving#keigo

• Mastering Japanese Verb Conjugation — Groups, te-form, ta-form

  Japanese verbs fall into three groups, and once you know the group you can regularly build the masu-form, te-form, ta-form, potential, passive, and causative. This guide covers how to identify verb groups, the sound-chan

  2026-06-30 · 11 min read #japanese#verb#conjugation#grammar#te-form

• Mastering Japanese Onomatopoeia — The World of Gikogiko and Wakuwaku

  A complete guide to Japanese onomatopoeia (giongo and gitaigo), the words learners find hardest. From core concepts to form patterns, thematic vocabulary tables, grammar usage, and a Korean comparison, all in one place w

  2026-06-30 · 17 min read #japanese#onomatopoeia#vocabulary#language-learning#grammar

• Mastering Japanese Adjectives — i-Adjectives and na-Adjectives

  A complete guide to the two classes of Japanese adjectives, i-adjectives and na-adjectives. Learn how to tell them apart and conjugate them for present, past, negative, te-form, adverbial, and noun-modifying forms with t

  2026-06-30 · 14 min read #japanese#grammar#adjectives#i-adjective#na-adjective

• Transitive and Intransitive Verbs — Understanding Japanese Paired Verbs

  A guide to Japanese intransitive and transitive verbs, the paired verbs like 開く/開ける, the relationship between を and が, and how ている expresses states and results. Covers differences from Korean, commonly confused pairs, an

  2026-06-30 · 11 min read #japanese#grammar#verbs#transitive#intransitive

• Japanese Pronunciation and Pitch Accent — The Secret to Sounding Natural ♪ Listenable

  The real reason Japanese sounds off is rarely individual sounds — it is pitch accent and mora-timed rhythm. This guide covers the vowel and consonant systems, the four pitch accent types, the sounds Korean and English sp

  2026-06-30 · 18 min read #japanese#pronunciation#pitch-accent#phonetics#language-learning

• Mastering Keigo — Respectful, Humble, and Polite Japanese

  Japanese keigo splits into three kinds — respectful, humble, and polite language — each raising a different person. This guide organizes the concepts and differences, the special honorific forms of key verbs, the o/go pr

  2026-06-30 · 13 min read #japanese#keigo#honorifics#grammar#business

• Business Japanese — The Art of Email and Phone ♪ Listenable

  A complete guide to the fixed expressions of Japanese business email and phone handling used every day in Japanese companies. From subject line to signature, the structure of an email, set phrases like osewa ni natte ori

  2026-06-30 · 24 min read #japanese#business-japanese#keigo#email#phone

• Analyzing SOTA Segmentation and Detection Models — The Lineage of SAM, DETR, and YOLO ♪ Listenable

  A walk through the SOTA lineage of object detection and image segmentation. We trace detection from two-stage R-CNN to one-stage YOLO/SSD and transformer-based DETR, cover semantic, instance, and panoptic segmentation, a

  2026-06-30 · 20 min read #ai-papers#computer-vision#object-detection#segmentation#sam

• SOTA Text Embedding Models — The Heart of Search and RAG

  Text embeddings are the heart of search and RAG systems. We walk through contrastive learning and InfoNCE, dual encoders, hard negatives, the E5/BGE/GTE families, Matryoshka representation learning, and the MTEB benchmar

  2026-06-30 · 14 min read #ai-papers#embedding#retrieval#rag#contrastive-learning

• Analyzing SOTA 3D Vision — Monocular Depth and 3D Gaussian Splatting ♪ Listenable

  A survey of SOTA trends in 3D vision. We cover monocular depth estimation (relative and metric depth) and the Depth Anything family concept, an overview of stereo and MVS, and the evolution of real-time rendering from Ne

  2026-06-30 · 22 min read #ai-papers#3d-vision#monocular-depth#gaussian-splatting#nerf