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ENDED9월 16일4

Why we built recall-first search on PostgreSQL

tech1 sources

Our careers page search often felt broken. Searching for “Java” could return JavaScript roles. A misspelling could produce no results at all. Searching for “manager” could collect assistant-manager va...

ENDED9월 16일4

Conceptual Contours

tech1 sources

Domain Excavation Because it requires constant discovery and refinement, building software is much like excavating a buried house. One requirement exposes a section of wall. A bug fix reveals a doorwa...

ENDED9월 16일4

Examining the "Boolean-Switch" in Java \_(ツ)_/

tech1 sources

While reading through some ai-generated code today, I was caught off guard when I saw a switch statement inside of a boolean. What on earth has ai done now, I wondered. Here is the suspect: public boo...

ENDED9월 16일4

Expiry Windows: Node.js Email Status, SMS Escalation, and Event Traces

tech1 sources

TL;DR: For Node.js event notifications, send transactional email first, poll its delivery status, and use SMS fallback only while the password-reset token remains useful. The deciding constraint is th...

ENDED9월 16일4

“Filmmaker” suing PassThePopcorn may be banned user out for revenge

tech1 sources

Some of the most widely used private torrent trackers for pirating movies suspect that a banned user may have posed as a filmmaker protecting copyrights in a failed attempt to seek revenge. TorrentFre...

ENDED9월 16일4

The Roman telescope has enough gas for 22 years, double NASA's expectations

tech1 sources

NASA’s Nancy Grace Roman Space Telescope is gliding toward its distant observation post on a pinpoint trajectory so precise that engineers estimate the spacecraft’s fuel load will last twice as long a...

ENDED9월 16일4

Voters mostly don’t like AI and data centers, but neither party seems to have an edge

tech1 sources

Poll data released Tuesday by the New York Times and Siena University confirms what we’ve already been seeing, and what politicians are responding to — AI and data centers are incredibly unpopular. As...

ENDED9월 16일4

OFFSET Doesn't Skip Rows: What 10M Rows in PostgreSQL Actually Cost

tech1 sources

OFFSET 9999980 LIMIT 20 does not skip 9,999,980 rows. It reads every one of them, builds each tuple, and throws it away. To hand back 20 rows it touches 110,659 buffer pages — 865 MB of a 1.2 GB table...

ENDED9월 16일4

Four Identical Red Runs: One Was Our Watchdog Working, Three Were Its Corpse

tech1 sources

A cron in one of our repositories stopped firing on 21 June and nobody noticed for ten weeks. Its only job was to rebuild this site each morning so that blog posts whose publish date had arrived would...

ENDED9월 16일4

What Stops Me from Posting Publicly

tech1 sources

What stops me from writing and posting something publicly? Probably the same thing stops you, too: the belief that it is not novel enough. I think it comes from the belief that we do not have good eno...

ENDED9월 16일4

Why You Don't Have To Learn The Terminal

tech1 sources

I’ve read the article, “Why Mint's easy graphical interface is the worst thing for your Linux journey” and I have some counter arguments on the article. The article explains that if you don’t use the ...

ENDED9월 16일4

I built three tools for Quantinuum's guppy stack. Along the way I found six real bugs.

tech1 sources

I built three tools for Quantinuum's guppy/HUGR stack. Along the way I found six real bugs. I've been working with guppylang — Quantinuum's Python-embedded quantum programming language, compiling to H...

ENDED9월 16일4

The Minimalist Entrepreneur Skills

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The Minimalist Entrepreneur as 10 open-source Claude Code skills by Sahil Lavingia. Install the plugin, then run slash commands like /validate-idea, /mvp, /pricing, and /minimalist-review to apply the...

ENDED9월 16일4

Protect Kubernetes Services with OAuth2 Proxy, Gateway API, Traefik, and Pocket ID

tech1 sources

My previous guide used ingress-nginx annotations to put internal Kubernetes services behind OAuth2 Proxy. It was written for an ingress-nginx setup. That controller is being retired, and Gateway API i...

ENDED9월 16일4

Request lifecycle: HandlerMapping HandlerAdapter resolvers

tech1 sources

🧠 The big idea in one line Spring finds the handler, prepares its arguments, calls it, and handles the result. - Why this exists — an HTTP request contains paths, headers, and bytes. Your Java method ...

ENDED9월 16일4

[Boost]

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Carlos Barbero Posted on Sep 15 [Boost] Sign in to view linked content Top comments (0) Subscribe Personal Trusted User Create template Templates let you quickly answer FAQs or store snippets for re-u...

ENDED9월 16일4

The best n8n fix I found this month was boring: lower your agent concurrency settings before touching the prompt

tech1 sources

I spent an embarrassing amount of time blaming the model for a problem that was clearly my own fault. A webhook burst hit one of my n8n flows. Around 20+ executions landed almost at once. Then the wor...

ENDED9월 16일4

Chapter 1 - The Funkiest of All Machines

tech1 sources

The Dark Ages. That's the label that stuck. A thousand years of mud and superstition between the fall of Rome and the Renaissance, a long waiting room before the real story started. The very name tell...

ENDED9월 16일4

The AI data center boom is colliding with cities scarred by big industry

tech1 sources

Across the country, Americans are debating how their lives might change if new AI data centers are built in their backyards. Data center companies and their customers are promising new jobs and econom...

ENDED9월 16일4

[허정수칼럼]삼전닉스·엔비디아...글로벌 최고 회사가 성과 나누는 법

tech1 sources

삼성·SK 성과급기준 변경, 사회적 파장 확산 중 자본효율에서 근로자 체감으로 측정 언어 변화 노동·자본의 승패 아닌 단기성과·장기성장 균형 2026년 상반기 세계에서 돈을 가장 많이 번 회사는 NVIDIA(약 160조원)였다. 삼성전자(146조6000억원)와 SK하이닉스(98조1500억원)는 각각 3위, 5위를 기록했다. 기업이 사상 최대 이익을 냈다면 ...

ENDED9월 16일4

Wayback Machine 접속 관련 업데이트

tech1 sources

<ul> <li>Internet Archive가 <strong>대량 자동화 트래픽</strong>이 반복적으로 몰리는 Wayback Machine의 운영을 유지하기 위해 보호 조치를 적용함</li> <li>최근 요청이 차단될 때 표시되는 <strong>HTTP 429 오류 안내 문구</strong>를 수정했으며, 이 코드는 ‘요청이 너무 많음’을 뜻함</l...

ENDED9월 16일4

미국 운전면허증 정보 유출은 국가안보 재앙이다

tech1 sources

<ul> <li>다크웹 서비스 <strong>Nexus</strong>가 미국과 캐나다 시민의 운전면허증 1억 5,300만 건과 여행 관련 신분 문서 300만 건에 대한 접근권을 판매했으며, 자료의 진위와 미국 고위 공직자의 정보 포함 여부도 확인됨</li> <li><strong>운전면허 번호</strong>는 다른 데이터베이스의 기록을 주소와 사진이 포함...

ENDED9월 16일4

UNIX 도메인 소켓에 어떻게 낭만을 느끼지 않을 수 있을까?

tech1 sources

<ul> <li>DEFCON 34에서 발생한 iOS 데모 충돌을 추적한 결과, 같은 UNIX 도메인 소켓의 <strong>inode 번호가 두 번째 <code>fstat()</code> 호출에서 바뀌는 커널 버그</strong>를 발견함</li> <li>원인은 <strong>0을 미초기화 값으로 쓰면서 첫 inode에도 0을 할당</strong>하는 로직임...

ENDED9월 16일4

Google, 대화하며 추론하는 Gemini 3.8 Live와 Extended Thinking 출시

tech1 sources

<ul> <li>음성으로 대화하면서 복잡한 작업을 수행하는 두 모델로, <strong>Live는 비용 효율과 대규모 활용</strong>, Extended Thinking은 고난도 작업과 다단계 추론에 초점을 맞춤</li> <li>Gemini 3.8 Live는 시각 정보를 거의 실시간으로 파악하고, <strong>97개 언어를 대화 도중 자동으로 감지해 전...

ENDED9월 16일4

Payflip

tech1 sources

Payflip is a dollar wallet with usernames. Send USDC or USDT to an email, @handle, phone or QR. The recipient picks how to receive, and if they don't claim it, the money comes back to you. Non-custodi...

ENDED9월 16일4

AI Wrote Half My Codebase. The Maintenance Bill Showed Up in Month Three.

tech1 sources

AI made the first draft free. I treated that as the win. The bill arrived later, not in dollars, in the parts of the system nobody on the team fully understood anymore. I like AI coding tools. I use t...

ENDED9월 16일4

A badly written ticket can beat a well-written one

tech1 sources

When a Ready Ticket Is No Longer Ready We spend a lot of time discussing what makes a good ticket: clear acceptance criteria, enough context, useful links, a decent description. But there is another f...

ENDED9월 16일4

Ten Million Keys, One Missing Index

tech1 sources

This article explores how a per-entity index improves Redis cache invalidation by replacing repeated full-keyspace scans with targeted lookups. All performance figures come from local benchmarks. The ...

ENDED9월 16일4

Predicting the Generative AI Boom: My Tech Presentation in March 2021 (20 Months Before ChatGPT)

tech1 sources

_Back in March 2021, the world of software development was obsessed with crypto, NFTs, and traditional web frameworks. ChatGPT wouldn’t exist for another 20 months. However, while attending a full sta...

ENDED9월 16일4

One 5G frame, two security contexts — reading a decrypted NR attach

tech1 sources

A 5G radio capture can be encrypted twice over, by two separate networks holding two different sets of keys. Wireshark work-item 19757 published a 5G NR trace together with the UE's keys, which makes ...

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