Sections What is time Representing time Where do we usually find time on Unix System time, hardware time, internal timers Syncing time with external sources What depends on time Human perception of time What is time Time is relative Measuring time and standards Coordinating time Time zones DST Time, a word that is entangled in everything in our lives, something we’re intimately familiar with. Keep
OpenAI API ドキュメントの日本語訳をこちらでまとめます。文字量の多いドキュメントなので、セクションごとに記事を分割しています。 今回は「GET STARTED 」のセクションからLibraries 、Models、TutorialsそしてUsage policiesを抜粋した後編です。 基本 DeepLで翻訳して、気になるところだけ書き換えています(ほぼ気になるところがないのが、DeepLのすごいところ)。原文との突き合わせができるようにはじめに原文を入れてますので、間違いなど見つけられましたら、ぜひご指摘ください。ご指摘箇所は随時反映させていただきます。 原文のリンクが有効になってますので、それぞれ必要な場合は原文リンクの方を参照ください。 前回のおさらいはこちら Python library｜Python ライブラリWe provide a Python library, w
I started programming in Rust several years ago, and it has gradually changed the way I design programs in other programming languages, most notably in Python. Before I started using Rust, I was usually writing Python code in a very dynamic and type-loose way, without type hints, passing and returning dictionaries everywhere, and occasionally falling back to “stringly-typed” interfaces. However, a
AWS Amplify Studio – Figma to Fullstack React App With Minimal Programming | Amazon Web Services
Front-End Web & Mobile AWS Amplify Studio – Figma to Fullstack React App With Minimal Programming AWS Amplify announces AWS Amplify Studio, a visual development environment that offers frontend developers new features (public preview) to accelerate UI development with minimal coding, while integrating Amplify’s powerful backend configuration and management capabilities. Amplify Studio automaticall
Linux perf Examples
Recent posts: 24 Mar 2024 » Linux Crisis Tools 17 Mar 2024 » The Return of the Frame Pointers 10 Mar 2024 » eBPF Documentary 28 Apr 2023 » eBPF Observability Tools Are Not Security Tools 01 Mar 2023 » USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon 17 Feb 2023 » USENIX SREcon APAC 2023: CFP 02 May 2022 » Brendan@Intel.com 15 Apr 2022 » Netflix End of Series 1 09 Apr 2022 » Te
REST API Design Best Practices Handbook – How to Build a REST API with JavaScript, Node.js, and Express.js
I've created and consumed many API's over the past few years. During that time, I've come across good and bad practices and have experienced nasty situations when consuming and building API's. But there also have been great moments. There are helpful articles online which present many best practices, but many of them lack some practicality in my opinion. Knowing the theory with few examples is goo
Improving how we deploy GitHub
EngineeringImproving how we deploy GitHubAs GitHub doubled it’s developer head count, tooling that worked for us no longer functioned in the same capacity. We aimed to improve the deployment process for all developers at GitHub and mitigate risk associated with deploying one of the largest developer platforms in the world. Over the last year GitHub has doubled the number of developers contributing
Speculation in JavaScriptCore
This post is all about speculative compilation, or just speculation for short, in the context of the JavaScriptCore virtual machine. Speculative compilation is ideal for making dynamic languages, or any language with enough dynamic features, run faster. In this post, we will look at speculation for JavaScript. Historically, this technique or closely related variants has been applied successfully t
50 Shades of Go: Traps, Gotchas, and Common Mistakes for New Golang Devs
50 Shades of Go: Traps, Gotchas, and Common Mistakes for New Golang Devs 50 Shades of Go in Other Languages Chinese Translation: blog post, segmentfault (by wuYin) - needs updates Another Chinese Translation: blog post (by Shadowwind LEY) - needs updates Russian Translation: blog post (by Ilia Ozhereliev, Mail.Ru Group Blog) - needs updates Overview Go is a simple and fun language, but, like any o
How to debug C and C++ programs with rr | Red Hat Developer
The common theme in many time-travel movies is to go back in time to find out what went wrong and fix it. Developers also have that desire to go back in time and find why the code broke and fix it. But, often, that crucial step where everything went wrong happened long ago, and the information is no longer available. The rr project lets programmers examine the entire life of a C or C++ program run
順位のまとめ、補足、おまけです。 2022年のベストアルバム 2022年国内ベストアルバム 2022年海外ベストアルバム 2022-1-25-23:30 Chilli Beans.『Chilli Beans.』の分類が間違っていたので修正しました。 2022年のベストアルバム 1. 宇多田ヒカル『BADモード』 2. The 1975『Being Funny In A Foreign Language』 3. Big Thief『Dragon New Warm Mountain I Believe in You』 4. 羊文学『our hope』 5. Alvvays『Blue Rev』 6. Arctic Monkeys『The Car』 7. The Weeknd『Dawn FM』 8. 坂本慎太郎『物語のように』 9. black midi『Hellfire』 10. Kendric
こんにちは。BASE BANK株式会社 Dev Division にて、 Software Developer をしている永野（@glassmonekey）です。 弊社ではAWS Lambdaを活用する機会が増えまして、 最近メジャーアップデートのあった「AWS SAM CLI」を使ってリリースフローの改善にチャレンジしてみました。 そこで、samコマンドで作成したサンプルプロジェクトをローカルで実行しデプロイする方法を紹介します。それに加えて、現状BASE BANKチームで行っている代表的な運用設定をご紹介します。 今回記事作成に際して、サンプルプログラムを用意しているのでもしよければ手元でご確認ください。 なお、今回LambdaにはGoを採用しました。検証に使用した環境は以下の通りです。 macOS: 10.15.x (Catalina) SAM CLI: version 1.2.0
Redux is state management. State management belongs off the main thread. React is a popular web framework.Some love React for its component abstraction, some because of its vast ecosystem and some for its meta-platform properties. Note: I use words like “popular” or “often” being very aware that I am under the influence of the Web Development Twitter Echo Chamber™️. Your mileage may vary, proceed
I recently realized stdout is much faster than stderr for Rust. Here are my findings after diving deep into this rabbit hole. I have been using the terminal (i.e. command-line) for most of my day-to-day things for a while now. I was always fascinated by the fact that how quick and convenient the command-line might be and that's why I'm a proponent of using CLI (command-line) or TUI (terminal user
Webpack 4 was released in February 2018. Since then we shipped a lot of features without breaking changes. We know that people dislike major changes with breaking changes. Especially with webpack, which people usually only touch twice a year, and the remaining time it "just works". But shipping features without breaking changes also has a cost: We can't do major API or architectural improvements.
This all started with a blog post back in 2020, from a tech curiosity: what's the fastest way to scale containers on AWS? Is ECS faster than EKS? What about Fargate? Is there a difference between ECS on Fargate and EKS on Fargate? I had to know this to build better architectures for my clients. In 2021, containers got even better, and I was lucky enough to get a preview and present just how fast t
Bash Pitfalls This page is a compilation of common mistakes made by bash users. Each example is flawed in some way. 1. for f in $(ls *.mp3) One of the most common mistakes BASH programmers make is to write a loop like this: for f in $(ls *.mp3); do # Wrong! some command $f # Wrong! done for f in $(ls) # Wrong! for f in `ls` # Wrong! for f in $(find . -type f) # Wrong! for f in `find . -type f` # W
Posted on Monday, April 1, 2024. Updated Wednesday, April 3, 2024. Over a period of over two years, an attacker using the name “Jia Tan” worked as a diligent, effective contributor to the xz compression library, eventually being granted commit access and maintainership. Using that access, they installed a very subtle, carefully hidden backdoor into liblzma, a part of xz that also happens to be a d
Hello! I wrote a comic last week called “life of a DNS query” that explains how DNS resolvers work. In this post, I want to explain how DNS resolvers work in a different way – with a short Go program that does the same thing described in the comic. The main function (resolve) is actually just 20 lines, including comments. I usually find it easier to understand things work when they come in the for
Better together: AWS SAM and AWS CDK | Amazon Web Services
AWS Compute Blog Better together: AWS SAM and AWS CDK Today AWS is announcing the public preview of AWS Serverless Application Model CLI (AWS SAM CLI) support for local development and testing of AWS Cloud Development Kit (AWS CDK) projects. AWS SAM and AWS CDK are both open-source frameworks for building applications using infrastructure as code (IaC). AWS SAM is template-based using JSON or YAML
Who murdered my lovely Prometheus container in Kubernetes cluster?
As of October 1, 2023, LINE has been rebranded as LY Corporation. Visit the new blog of LY Corporation here: LY Corporation Tech Blog This blog post is about an interesting experience I had while investigating and resolving a problem that happened in the Prometheus container which was still in the CrashLoopBackoff state. The phenomenon itself and the solution are obvious and simple; so simple that
An AnandTech Interview with Jim Keller: 'The Laziest Person at Tesla'
Topics Covered AMD, Zen, and Project Skybridge Managing 10000 People at Intel The Future with Tenstorrent Engineers and People Skills Arm vs x86 vs RISC-V Living a Life of Abstraction Thoughts on Moore's Law Engineering the Right Team Idols, Maturity, and the Human Experience Nature vs Nurture Pushing Everyone To Be The Best Security, Ethics, and Group Belief Chips Made by AI, and Beyond Silicon A
Opens in a new windowOpens an external siteOpens an external site in a new window By Jay Lim and Gannon McGibbon At Shopify, we believe in highly aligned, loosely coupled teams to help us move fast. Since we have many teams working independently on a large monolithic Rails application, inefficiencies in code are sometimes inadvertently added to our codebase. Over time, these problems can add up to
In 2018, PyTorch was a minority. Now, it is an overwhelming majority, with 69% of CVPR using PyTorch, 75+% of both NAACL and ACL, and 50+% of ICLR and ICML. While PyTorch’s dominance is strongest at vision and language conferences (outnumbering TensorFlow by 2:1 and 3:1 respectively), PyTorch is also more popular than TensorFlow at general machine learning conferences like ICLR and ICML. While som
Advancing Excel as a programming language with Andy Gordon and Simon Peyton Jones - Microsoft Research
Episode 120 | May 5, 2021 Today, people around the globe—from teachers to small-business owners to finance executives—use Microsoft Excel to make sense of the information that occupies their respective worlds, and whether they realize it or not, in doing so, they’re taking on the role of programmer. In this episode, Senior Principal Research Manager Andy Gordon, who leads the Calc Intelligence tea
Web Neural Network API
Web Neural Network API W3C Candidate Recommendation Draft, 5 May 2024 More details about this document This version: https://www.w3.org/TR/2024/CRD-webnn-20240505/ Latest published version: https://www.w3.org/TR/webnn/ Editor's Draft: https://webmachinelearning.github.io/webnn/ Previous Versions: https://www.w3.org/TR/2024/CRD-webnn-20240503/ History: https://www.w3.org/standards/history/webnn/ Im
Post-Incident Review on the Atlassian April 2022 outage - Atlassian Engineering
This PIR is available in the following languages:日本語 | 简体中文 | 繁體中文 | Deutsch | English | Español | Français | Italiano | 한국어 | Polski | Português | русский. Letter from our co-founders & co-CEOs We want to acknowledge the outage that disrupted service for customers earlier this month. We understand that our products are mission critical to your business, and we don't take that responsibility light
tl;dr Today, we are open-sourcing a long-awaited GUI for Metaflow. The Metaflow GUI allows data scientists to monitor their workflows in real-time, track experiments, and see detailed logs and results for every executed task. The GUI can be extended with plugins, allowing the community to build integrations to other systems, custom visualizations, and embed upcoming features of Metaflow directly i
This is the story of the time I wrote some code, deployed it to production, and ended up bricking the server it was running on by frying the kernel. Beautiful rendition of me frying the kernel This post is about perils of concurrency and race conditions. My code was nearly correct, but ultimately, there were two major synchronization bugs that killed it. This is a really long post that gets into t
Companies Using RFCs or Design Docs and Examples of These
RFCs - requests for comment - or Design Docs are a common tool that engineering teams use to build software faster, by clarifying assumptions and circulating plans earlier. There are some similarities between writing automated tests for your code, and writing RFCs before you start working on a non-trivial project: Software engineers who write tests for their code - and ask for code reviews on it -
Building resilient private APIs using Amazon API Gateway | Amazon Web Services
AWS Compute Blog Building resilient private APIs using Amazon API Gateway This post written by Giedrius Praspaliauskas, Senior Solutions Architect, Serverless. Modern architectures meet recovery objectives (recovery time objective, RTO, and recovery point objective, RPO) by being resilient to routine and unexpected infrastructure disruptions. Depending on the recovery objectives and regulatory req
Historical expertise provided by Jerry Beck, Amelia Cook, Jason DeMarco, Maureen Furniss, Monique Henry-Hudson, Willow Catelyn Maclay, Linda Simensky, Koji Yamamura Entries by Rebecca Alter, Elly Belle, Kambole Campbell, Jen Chaney, Amelia Cook, Alex Costello, Marley Crusch, Toussaint Egan, Christopher L. Inoa, Genevieve Koski, Willow Catelyn Maclay, Rafael Motamayor, Sammy Nickalls, Joshua Rivera
アイドルコンテンツCD売上ベストテン 参考記録（A3!、ヒプマイ、バンドリ） 音楽配信が主流となり、CD売上が減少していく状況にあって、アニメ・ゲームのアイドルコンテンツから生まれた音楽CDもその流れには逆らえず、全体的には減少傾向にあるのですが、その中でも売上を伸ばしているコンテンツも。そこで2020年のアイドルコンテンツCD売上ランキングをまとめてみました。これは売上金額合計によるランキングです。（※集計期間は2019年12月から2020年11月までです）売上の数値については、少ない場合に集計から外れますので、最低でもこの売上数値と考えていただければと思います。 １位（前年２位） ラブライブ!サンシャイン（ランティス） ９タイトル（前年８） 売上枚数合計： ２８４，２００枚 売上枚数前年： ４８４，３００枚 売上ＤＬ合計： ０１２，９００ＤＬ 売上ＤＬ前年
Chapter 12 - Introducing Non-Abstract Large System Design, Google SRE Book
Introducing Non-Abstract Large System Design By Salim Virji, James Youngman, Henry Robertson, Stephen Thorne, Dave Rensin, and Zoltan Egyed with Richard Bondi With responsibilities that span production operations and product engineering, SRE is in a unique position to align business case requirements and operational costs. Product engineering teams may not be aware of the maintenance cost of syste
When people say “debuggers are useless and using logging and unit-tests is much better,” I suspect many of them think that debuggers can only put breakpoints on certain lines, step-step-step through the code, and check variable values. While any reasonable debugger can indeed do all of that, it’s only the tip of the iceberg. Think about it; we could already step through the code 40 years ago, sure
We’re excited to release .NET 5.0 today and for you to start using it. It’s a major release — including C# 9 and F# 5 — with a broad set of new features and compelling improvements. It’s already in active use by teams at Microsoft and other companies, in production and for performance testing. Those teams are showing us great results that demonstrate performance gains and/or opportunities to reduc
CUPID—for joyful coding
What started as lighthearted iconoclasm, poking at the bear of SOLID, has developed into something more concrete and tangible. If I do not think the SOLID principles are useful these days, then what would I replace them with? Can any set of principles hold for all software? What do we even mean by principles? I believe that there are properties or characteristics of software that make it a joy to
Scaling Datastores at Slack with Vitess - Slack Engineering
Rafael Chacón Staff Software Engineer, Infrastructure From the very beginning of Slack, MySQL was used as the storage engine for all our data. Slack operated MySQL servers in an active-active configuration. This is the story of how we changed our data storage architecture from the active-active clusters over to Vitess — a horizontal scaling system for MySQL. Vitess is the present and future of Dat
1 Introduction Compilers, assemblers and similar tools generate all the binary code that processors execute. It is no surprise then that these tools play a major role in security analysis and hardening of relevant binary code. Often the only practical way to protect all binaries with a particular security hardening method is to have the compiler do it. And, with software security becoming more and
Announcing Dart 3
Hello from Google I/O 2023. Today, live from Mountain View, we’re announcing Dart 3 — the largest Dart release to date! Dart 3 contains three major advancements. First, we’ve completed the journey to 100% sound null safety. Second, we’ve added major new language features for records, patterns, and class modifiers. Third, we’re giving a preview of the future, where we broaden our platform support w
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
Time on Unix
OpenAI API ドキュメント 日本語訳｜#2 GET STARTED 後編｜ゑぐみかるちゃあ
Writing Python like it’s Rust
ネットの音楽オタクが選んだ2022年のベストアルバムのまとめ - 音楽だいすきクラブ
AWS SAM CLIを使ったLambdaのローカル実行と簡単デプロイ - BASEプロダクトチームブログ
React + Redux + Comlink = Off-main-thread — surma.dev
Why stdout is faster than stderr? - Orhun's Blog
Webpack 5 release (2020-10-10) | webpack
Scaling containers on AWS in 2022
BashPitfalls - Greg's Wiki
research!rsc: Timeline of the xz open source attack
A toy DNS resolver
How to Fix Slow Code in Ruby
The State of Machine Learning Frameworks in 2019
Open-Sourcing a Monitoring GUI for Metaflow
My First Kernel Module: A Debugging Nightmare
The 100 Most Influential Sequences in Animation History
アイドルコンテンツ（アニメ・ゲーム ）CD売上ランキング2020 - 輝きが向こう側へ！
What a good debugger can do 🔮
Announcing .NET 5.0 - .NET Blog
Low-Level Software Security for Compiler Developers