大実験！ChatGPTは競プロの問題を解けるのか (2024年5月版) - E869120's Blog
1. はじめに 2024 年 5 月 14 日、OpenAI 社から新たな生成 AI「GPT-4o」が発表され、世界に大きな衝撃を与えました。これまでの GPT-4 よりも性能を向上させただけでなく1、音声や画像のリアルタイム処理も実現し、さらに応答速度が大幅に速くなりました。「ついにシンギュラリティが来てしまったか」「まるで SF の世界を生きているような感覚だ」という感想も見受けられました。 しかし、いくら生成 AI とはいえ、競技プログラミングの問題を解くのは非常に難しいです。なぜなら競技プログラミングでは、問題文を理解する能力、プログラムを実装する能力だけでなく、より速く答えを求められる解法 (アルゴリズム) を考える能力も要求されるからです。もし ChatGPT が競技プログラミングを出来るようになれば他のあらゆるタスクをこなせるだろう、と考える人もいます。 それでは、現代最強の
Building a highly-available web service without a database
If you’ve ever built a web service or a web app, you know the drill: pick a database, pick a web service framework (and in today’s day and age, pick a front-end framework, but let’s not get into that). This has been the case for several decades now, and people don’t stop to question if this is still the best way to build a web app. Many things have changed in the last decade: Disk is a lot faster
gistfile1.txt �T�� ��>� You are ChatGPT, a large language model based on the GPT-5 model and trained by OpenAI. Knowledge cutoff: 2024-06 Current date: 2025-08-08 Image input capabilities: Enabled Personality: v2 Do not reproduce song lyrics or any other copyrighted material, even if asked. You're an insightful, encouraging assistant who combines meticulous clarity with genuine enthusiasm and gent
Introducing Amazon S3 Vectors: First cloud storage with native vector support at scale (preview) | Amazon Web Services
AWS News Blog Introducing Amazon S3 Vectors: First cloud storage with native vector support at scale (preview) Today, we’re announcing the preview of Amazon S3 Vectors, a purpose-built durable vector storage solution that can reduce the total cost of uploading, storing, and querying vectors by up to 90 percent. Amazon S3 Vectors is the first cloud object store with native support to store large ve
January 2016 boasted a Powerball jackpot of 1.5 billion dollars. This generated a lot of interest in the lottery and the Los Angeles Times released a simulator where you start with 100 dollars and play until that is gone. I had seen previous work for predicting Java’s Math.random() and thought it would be a fun project to replicate for the browser. The first step is to find the algorithm used in t
# ----------------------------- # 2nd Screening V1 # ----------------------------- import time global_start_time = time.time() from google.colab import drive drive.mount('/content/drive') import pandas as pd import numpy as np import os from tqdm.notebook import tqdm import yfinance as yf from curl_cffi import requests # -------------------------------------------------- # ヘルパー関数定義セクション # --------
Making JavaScript run fast on WebAssembly - Bytecode Alliance
JavaScript in the browser runs many times faster than it did two decades ago. And that happened because the browser vendors spent that time working on intensive performance optimizations. Today, we’re starting work on optimizing JavaScript performance for entirely different environments, where different rules apply. And this is possible because of WebAssembly. We should be clear here—if you’re run
Raspberry PiとAWSを利用して子どもたちのゲーム時間を可視化してみた | DevelopersIO
DynamoDBの作成 さっそくテーブルをCDKで構築してみます。 from aws_cdk import ( Stack, RemovalPolicy, aws_dynamodb as dynamodb, # DynamoDBのライブラリをimport ) from constructs import Construct class GameCounterStack(Stack): def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None: super().__init__(scope, construct_id, **kwargs) # The code that defines your stack goes here # ここから下に追記していきます。 # DynamoDB ログデータ格納用
Every System is a Log: Avoiding coordination in distributed applications
Every System is a Log: Avoiding coordination in distributed applications How Restate works, Part 1Posted January 22, 2025 by Stephan Ewen and Jack Kleeman and Giselle van Dongen ‐ 13 min read Building resilient distributed applications remains a tough challenge. It should be possible to focus almost entirely on the business logic and the complexity inherent to the domain. Instead, you need to revi
Security best practices when using ALB authentication | Amazon Web Services
Networking & Content Delivery Security best practices when using ALB authentication At AWS, security is the top priority, and we are committed to providing you with the necessary guidance to fortify the security posture of your environment. In 2018, we introduced built-in authentication support for Application Load Balancers (ALBs), enabling secure user authentication as they access applications.
Best practices for developing cloud applications with AWS CDK | Amazon Web Services
AWS DevOps & Developer Productivity Blog Best practices for developing cloud applications with AWS CDK April 20, 2022: Updates are available in the Best practices topic of the AWS CDK documentation. The documentation is the most up-to-date resource going forward. In this post, we discuss strategies for organizing the development of complex cloud applications with large teams, using the AWS Cloud D
Hello everyone, Asahi Lina here!✨ marcan asked me to write an article about the M1 GPU, so here we are~! It’s been a long road over the past few months and there’s a lot to cover, so I hope you enjoy it! What’s a GPU?You probably know what a GPU is, but do you know how they work under the hood? Let’s take a look! Almost all modern GPUs have the same main components: A bunch of shader cores, which
In 2021 Ben Bridts published a highly inventive method for finding the AWS Account ID of a public S3 bucket. This post describes a technique to find the Account ID of any S3 bucket (both private and public). I'd highly recommend reading Ben's technique first as we will re-use a lot of concepts. S3 Bucket to AWS Account IDShell output can be worth a thousand words, here's what our technique enables
OK Google, Protocol Buffers から生成したコードを使って Node.js で gRPC 通信して | メルカリエンジニアリング
OK Google, Protocol Buffers から生成したコードを使って Node.js で gRPC 通信して Mercari Advent Calendar 2020 の17日目は、メルカリ WebUX チーム でテックリードマネージャをしている @vwxyutarooo がお送りします。普段はエンジニアリングマネージャやテックリードをしたりフロントエンドエンジニアをしています。今日は Node.js で gRPC 通信します。なぜなら Node.js で gRPC 通信したいからです。 Mercari ではバックエンドに microservices アーキテクチャを採用していて、gRPC も採用されています。多くの microservices は go 言語によって実装されていますが、一部のサービスでフロントエンドエンジニアとのコミュニケーションや on-call 対応の受
Incident Metrics in SRE
Štěpán Davidovič Incident Metrics in SRE Critically Evaluating MTTR and Friends Boston Farnham Sebastopol Tokyo Beijing Boston Farnham Sebastopol Tokyo Beijing 978-1-098-10313-2 [LSI] Incident Metrics in SRE by Štěpán Davidovič Copyright © 2021 O’Reilly Media, Inc. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebas
GitHub - opendatalab/MinerU: A high-quality tool for convert PDF to Markdown and JSON.一站式开源高质量数据提取工具，将PDF转换成Markdown和JSON格式。
2025/08/01 2.1.10 Released Fixed an issue in the pipeline backend where block overlap caused the parsing results to deviate from expectations #3232 2025/07/30 2.1.9 Released transformers 4.54.1 version adaptation 2025/07/28 2.1.8 Released sglang 0.4.9.post5 version adaptation 2025/07/27 2.1.7 Released transformers 4.54.0 version adaptation 2025/07/26 2.1.6 Released Fixed table parsing issues in ha
こんにちは、MLデータ部データ基盤ブロックの奥山（@pokoyakazan）です。趣味の範疇ですが、「ぽこやかざん」という名前でラジオ投稿や大喜利の大会に出たり、「下町モルモット」というコンビで週末に漫才をしたりしています。私は普段、全社データ基盤の開発・運用を担当しており、このデータ基盤はGCPのBigQuery上に構築されています。そして、データ基盤内の各テーブルは、大きく分けて以下の2種類に分類されます。 システムDBのデータやログデータなどが、特に加工されることなく連携されている一次テーブル 一次テーブルから必要なデータを使いやすい形に集計したデータマート 本記事では、後者のデータマートを集計するジョブを制御するワークフローエンジンを、DigdagからCloud Composerに移行した事例について紹介します。Cloud Composerとは、GCPにてApache Airflo
TL;DR; We are changing std::sort in LLVM’s libcxx. That’s a long story of what it took us to get there and all possible consequences, bugs you might encounter with examples from open source. We provide some benchmarks, perspective, why we did this in the first place and what it cost us with exciting ideas from Hyrum’s Law to reinforcement learning. All changes went into open source and thus I can
4 Pandas Anti-Patterns to Avoid and How to Fix Them
pandas is a powerful data analysis library with a rich API that offers multiple ways to perform any given data manipulation task. Some of these approaches are better than others, and pandas users often learn suboptimal coding practices that become their default workflows. This post highlights four common pandas anti-patterns and outlines a complementary set of techniques that you should use instea
I don't build systems. I imagine them, then write them. …that were written in a military training camp and accidentally grew to 5k words. I am writing this on my phone, in a barrack that houses some 200+ of my brothers-in-arms in the Ukrainian army’s training camp; I use short periods of rest between training, mostly at night and on Sundays. TBH, since joining the army, I didn’t expect to have tim
Front-end maximalism
Here's a question that comes up all the time: Q: I have a front end that calls into a back end. It needs to do things now, and might need to do more things later. How much filtering and preprocessing should the back-end do before it passes the data to the front end? And here's an answer I like: A: As little as possible. Some examples: Suppose you have a product page with a long list of products. T
Elasticsearch Query Language (ES|QL) now generally available - Elasticsearch Labs
Want to get Elastic certified? Find out when the next Elasticsearch Engineer training is running! Elasticsearch is packed with new features to help you build the best search solutions for your use case. Dive into our sample notebooks to learn more, start a free cloud trial, or try Elastic on your local machine now. Today, we are pleased to announce the general availability of ES|QL (Elasticsearch
Agents
Intelligent agents are considered by many to be the ultimate goal of AI. The classic book by Stuart Russell and Peter Norvig, Artificial Intelligence: A Modern Approach (Prentice Hall, 1995), defines the field of AI research as “the study and design of rational agents.” The unprecedented capabilities of foundation models have opened the door to agentic applications that were previously unimaginabl
GitHub Actions で Amazon Inspector を利用した脆弱性スキャンを行う - 電通総研 テックブログ
こんにちは。コーポレート本部 サイバーセキュリティ推進部の耿です。 2024/6に Amazon Inspector が GitHub Actions でのコンテナイメージスキャンをサポートしたとのアナウンスがありました。コンテナイメージの脆弱性スキャンに既にTrivyを利用している方も多いと思いますが、別の選択肢として Inspector によるスキャンを試してみました。 また、実はコンテナイメージのスキャンだけではなく、言語パッケージのバージョンファイルやDockerfileを静的解析することも可能のため、それもやってみました。 仕組み アクションを紐解く リポジトリ内のファイルをスキャンする場合 試してみた サマリページの結果 CSV形式の検出結果 JSON形式の検出結果 Markdown形式の検出結果 脆弱性が検出されなかった場合 コンテナイメージをスキャンする場合 サマリページの
Introduction 11 May 2021 — This website presents FragAttacks (fragmentation and aggregation attacks) which is a collection of new security vulnerabilities that affect Wi-Fi devices. An adversary that is within range of a victim's Wi-Fi network can abuse these vulnerabilities to steal user information or attack devices. Three of the discovered vulnerabilities are design flaws in the Wi-Fi standard
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
How I developed a faster Ruby interpreter | Red Hat Developer
In this article, I will describe my efforts to implement a faster interpreter for CRuby, the Ruby language interpreter, using a dynamically specialized internal representation (IR). I believe this article will interest developers trying to improve the interpreter performance of dynamic programming languages (e.g., CPython developers). I will cover the following topics: Existing CRuby interpreter a
Amazon Linux 2023, a Cloud-Optimized Linux Distribution with Long-Term Support | Amazon Web Services
AWS News Blog Amazon Linux 2023, a Cloud-Optimized Linux Distribution with Long-Term Support I am excited to announce the general availability of Amazon Linux 2023 (AL2023). AWS has provided you with a cloud-optimized Linux distribution since 2010. This is the third generation of our Amazon Linux distributions. Every generation of Amazon Linux distribution is secured, optimized for the cloud, and
AWS Lambda warms up your functions, such that 50%-85% of Lambda Sandbox initializations don't increase latency for users. In this article we'll define Proactive Initialization, observe its frequency, and help you identify invocations where your cold starts weren't really that cold. July 13, 2023 This post is both longer and more popular than I anticipated, so I’ve decided to add a quick summary: T
I thought it would be fun to go outside of my comfort zone of web development topics and write about something completely different and new, something I have never written about before. So today, I'm going to show you how to implement a programming language! The project will parse and execute programs written in a simple language I called my (I know it's a lame name, but hey, it is "my" language).
The Ultimate Interactive JQ Guide Learn how to search, query, and modify JSON data with 25 interactive jq examples and explanations Cover Photo by Pixabay Has this ever happened to you? You’ve just received a massive JSON file that looks like it was designed to confuse you. Or maybe you entered a command, and you got so much JSON that it looks incomprehensible. Important: Level up your jq skills w
I often come across developers who know the mechanics of Python error handling well, yet when I review their code I find it to be far from good. Exceptions in Python is one of those areas that have a surface layer that most people know, and a deeper, almost secret one that a lot of developers don't even know exists. If you want to test yourself on this topic, see if you can answer the following qu
Agentic GraphRAG for Commercial Contracts | Towards Data Science
In every business, legal contracts are foundational documents that define the relationships, obligations, and responsibilities between parties. Whether it’s a partnership agreement, an NDA, or a supplier contract, these documents often contain critical information that drives decision-making, risk management, and compliance. However, navigating and extracting insights from these contracts can be a
Join a VS Code Dev Days event near you to learn about AI-assisted development in VS Code. Update 1.54.1: The update addresses an issue with an extension dependency. Update 1.54.2: The update addresses these issues. Update 1.54.3: The update addresses this issue. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the February 2021 release of Vi
A Walk with LuaJIT
The following is a chronicle of implementing a general purpose zero-instrumentation BPF based profiler for LuaJIT. Some assumptions are made about what this entails and it may be helpful to read some of our other work in this area. One major change from prior efforts is that instead of working with the original Parca unwinder we are now working with the OpenTelemetry eBPF profiler. If you missed t
Detailed here are some of the tools and techniques we use to test the GNU coreutils project, which should present some useful ways to automate the use of tools like gdb, strace, valgrind, sed, grep, or the coreutils themselves etc., either for testing or for other applications. We also describe general techniques like using timeouts in a robust and performant way. Test framework automake's test fr
From personal project to industry standard Introduction added in 2025 When introduced Oklab in 2020, I never expected it to reach as far as it has. In a few years Oklab has, among other things, found its way into: Photoshop – Now the default interpolation method for gradients Web browsers – Part of CSS Color Level 4 and 5, supported by major browsers Game engines – Used in Unity’s gradients and Go
Wasm core dumps and debugging Rust in Cloudflare Workers
Wasm core dumps and debugging Rust in Cloudflare Workers2023-08-14 A clear sign of maturing for any new programming language or environment is how easy and efficient debugging them is. Programming, like any other complex task, involves various challenges and potential pitfalls. Logic errors, off-by-ones, null pointer dereferences, and memory leaks are some examples of things that can make software
The OpenSSL punycode vulnerability (CVE-2022-3602): Overview, detection, exploitation, and remediation | Datadog Security Labs
emerging threats and vulnerabilities The OpenSSL punycode vulnerability (CVE-2022-3602): Overview, detection, exploitation, and remediation November 1, 2022 emerging vulnerability On November 1, 2022, the OpenSSL Project released a security advisory detailing a high-severity vulnerability in the OpenSSL library. Deployments of OpenSSL from 3.0.0 to 3.0.6 (included) are vulnerable and are fixed in
htmy
Source code: https://github.com/volfpeter/htmy Documentation and examples: https://volfpeter.github.io/htmy htmy Async, pure-Python server-side rendering engine. Unleash your creativity with the full power and Python, without the hassle of learning a new templating language or dealing with its limitations! Key features Async-first, to let you make the best use of modern async tools. Powerful, Reac
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
gpt-5 leaked system prompt
Hacking the JavaScript Lottery
Python×株式投資：従来の100倍！銘柄選抜のバックテストを高速化した話 - Qiita
Tales of the M1 GPU - Asahi Linux
How to find the AWS Account ID of any S3 Bucket | Tracebit
Cloud Composerにデータマート集計基盤を移行しました - ZOZO TECH BLOG
Changing std::sort at Google’s Scale and Beyond
A few words on Ruby's type annotations state
FragAttacks: Security flaws in all Wi-Fi devices
What a good debugger can do 🔮
Understanding AWS Lambda Proactive Initialization
Building a Toy Programming Language in Python
The Ultimate Interactive JQ Guide
The Ultimate Guide to Error Handling in Python
February 2021 (version 1.54)
How the GNU coreutils are tested
A perceptual color space for image processing