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Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 3525 posts
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What the Research Shows: Interpreter Training, Cognitive Ability, and the Deliberate Practice Debate
A survey of the research on whether interpreter training actually changes working memory and executive function. Where a meta-analysis and a systematic review reached different conclusions, the difference between cross-s
2026-08-16 · 16 min read #english#interpreting#research#evidence#deliberate-practiceWhat an Ordinary Learner Can Actually Take from Interpreter Training
Building on what the previous three posts confirmed, this sorts out what can be carried over from interpreter training to an ordinary learner and what cannot. Shadowing, chunking, deliberate delay and output under time p
2026-08-16 · 14 min read #english#language-learning#shadowing#practice#evidenceWhat Interpreters Actually Train: What Can Be Confirmed in Public Curricula and Techniques
Of everything that circulates about interpreter training, this gathers only the part that can actually be checked. Why consecutive and simultaneous interpreting are different skills, what ear-voice span and chunking are,
2026-08-16 · 16 min read #english#interpreting#language-learning#evidence#shadowingWhat People Good at Languages Have in Common, and How Much of It Is Verified
Six claims repeated as the traits of polyglots, checked one at a time. Starting young, sensitivity to sound, tolerance of ambiguity, overwhelming volume of input, a willingness to be publicly bad at something, and memory
2026-08-16 · 14 min read #english#language-learning#polyglot#evidence#critical-thinkingThe Complete Guide to English Job Interviews: Passing on Structure, Not Fluency ♪ Listenable
What stops you in an English interview is rarely vocabulary. It is the shape of the answer. This guide covers the length and order of a self-introduction, the frame that links an experience as situation, role, action and
2026-08-16 · 30 min read #english#interview#career#communication#job-searchBusiness Trip English: Guest, Expert and Stranger Again, All Inside One Day ♪ Listenable
English on a business trip is hard because the role keeps changing, not because the vocabulary is hard. A stranger at immigration and at the hotel, a guest in the client lobby, an equal in the meeting room: three changes
2026-08-16 · 32 min read #english#business-trip#business-english#travel#conversationEnglish for AI Engineering Meetings: Saying You Do Not Know Without Losing Credibility ♪ Listenable
The English an AI team meeting needs most is not the language of certainty but the language that makes uncertainty credible. Reporting eval results together with their limits, flagging a regression whose cause is still u
2026-08-16 · 31 min read #english#business-english#meeting#ai#llmWhat It Means to Work Hard — Effort Is Not a Virtue but a Problem of Allocation ♪ Listenable
The advice to work hard carries no direction. Treat effort as a budget rather than a total and the picture changes. The nonlinear relationship between working hours and output, a meta-analysis of more than 600,000 people
2026-08-16 · 12 min read #mindset#productivity#burnout#self-improvement#2026-08What Studying Well and Playing Sport Well Share Is Narrower Than It Looks
Is there really an ability that carries over between studying and sport, between coding and playing an instrument? The conclusion of the cognitive-training transfer literature runs against popular expectation. Near trans
2026-08-16 · 13 min read #mindset#learning#expertise#transfer#evidenceLunch, Hoesik, and Hallway Conversation — What Flows Through the Informal Channel
An organization runs two information networks. The official channel carries what has been decided; the informal one carries what has not been decided yet. This post admits honestly that not participating has a cost, and
2026-08-16 · 14 min read #career#workplace#korea#communication#boundariesManaging Up Is Not Flattery — It Is Designing the Flow of Information
Most trouble with a boss is not a personality clash but information asymmetry. Your manager sees wide and shallow while you see narrow and deep, so the kind of thing each side misses is the same every time. This post cov
2026-08-16 · 13 min read #career#workplace#managing-up#communication#managerThe Order of Operations After a Mistake — Contain, Report, Record, Prevent
The cost of a mistake is set not by the mistake itself but by the four stages that follow it, and people invert that order in almost exactly the same way every time: hunting for the cause instead of stopping the bleeding
2026-08-16 · 13 min read #career#workplace#mistakes#incident#accountabilityBad News Is Judged by Timing More Than by Content
A good response delivered late is judged worse than a bad response delivered early, because bad news is evaluated on two axes: the size of the problem, and the number of options the listener has left. The size of the pro
2026-08-16 · 13 min read #career#workplace#communication#escalation#reportingThe Structure of Saying No — Work Piles Up by Routing, Not by Rating
When work piles up on you, that is not praise. It means the cheapest path for someone to ask ran through you. This post first explains the structure that turns the reward for being capable into a penalty, then shows that
2026-08-16 · 14 min read #career#workplace#boundaries#prioritization#communicationThe First 90 Days After a Move — What Gets Decided Before Performance Does ♪ Listenable
What actually gets decided in your first quarter at a new organization is not performance but classification. People sort a newcomer into one of a few boxes quickly, and the box is hard to change afterward, because the i
2026-08-16 · 15 min read #career#workplace#onboarding#transition#internal-moveProcesses and Signals, the Complete Guide: Tracing Why a Process Will Not Exit
Signal numbers and default actions, the difference between SIGTERM and SIGKILL, zombies and orphans, process groups and sessions, nohup and setsid, and how to design a graceful shutdown. Traces the cause of a process tha
2026-08-15 · 18 min read #리눅스#프로세스#시그널#운영#커널A Complete Guide to Linux Performance Tools: How to Read the Numbers in the Output
Interprets the numbers printed by top, vmstat, iostat, pidstat, sar and perf one column at a time. Covers which tool answers which question, which values create optical illusions, and the order in which to choose a tool
2026-08-15 · 18 min read #리눅스#성능#모니터링#운영#sysstatA Complete Guide to File Descriptors and Inodes: What Happens When df and du Disagree
Starts from the relationship between inodes and directory entries and works through hard links, deleted-but-still-open files, inode exhaustion, and file descriptor limits. Covers why df and du diverge and how to recover,
2026-08-15 · 16 min read #리눅스#파일시스템#inode#파일디스크립터#운영The complete guide to SSH operations: from key management to hardening a server without locking yourself out
sshdconfig hardening, choosing and distributing key types, ProxyJump and port forwarding, and the layered order to debug a connection that will not come up, organised from an operator viewpoint. Includes the procedure th
2026-08-15 · 17 min read #리눅스#ssh#보안#운영#서버관리The complete Linux troubleshooting command guide: from the first 60 seconds to root cause ♪ Listenable
The diagnostic commands to run, in order, from the moment someone tells you a server is misbehaving. uptime, top, free, df, iostat, ss, journalctl — which number in each output to read, and what that number rules out ver
2026-08-15 · 19 min read #리눅스#트러블슈팅#운영#장애대응#명령어