When we introduced a default setup for system tests in Rails 5.1 back in 2016, I had high hopes. In theory, system tests, which drive a headless browser through your actual interface, offer greater confidence that the entire machine is working as it ought. And because it runs in a black-box fashi...
どうも！宇宙ヤバイch中の人のキャベチです。 今回は「太陽フレアのリスクと巨大黒点群AR3664の活動」というテーマで動画をお送りします。 現在、巨大黒点群「AR3664」が出現し、大規模な太陽フレアを連発しており、世界的に大きな話題を呼んでいます。 黒点群は巨大であるほど太陽フレアのリスクが高いですが、AR3664は...
Sam Altman (left), CEO of artificial intelligence company OpenAI, and the company’s co-founder and then-chief scientist Ilya Sutskever, speak together at Tel Aviv University in Tel Aviv on June 5, 2023. | Jack Guez/AFP via Getty Images Why is OpenAI’s superalignment team imploding? Editor’s note,...
We have long heard that houses in Japan are expensive. Then, all of a sudden, someone tells you that you can buy a cheap house in Japan. Imagine the waves such a statement will cause. The same thing happened with the Akiya phenomenon in Japan. Akiya, or abandoned cheap houses, has always existed ...
AWS Database Blog Binary logging optimizations in Amazon Aurora MySQL version 3 The binary log (binlog) in MySQL is used to capture database modifications on a MySQL server in a logical format known as “events”. These database modifications can include DCL statements (such as CREATE USER or GRANT...
TL;DR: rustc will use rust-lld by default on x86_64-unknown-linux-gnu on nightly to significantly reduce linking times. Some context Linking time is often a big part of compilation time. When rustc needs to build a binary or a shared library, it will usually call the default linker installed on t...
現地時間の2024年5月16日、 Western Digitalが容量6TBの2.5インチ外付けHDD製品群を発表しました。SSDよりも大容量かつ安価でありながら、コンパクトさと最大読み取り速度130MB/sという高速データ転送も可能な、高い実用性を兼ね備えた外付けHDDになっています。 Western Digital Unveils World’s Highest Capacity 2.5”...
RubyKaigi 2024 One of the most significant problems of RBS was managing libraries' RBS files. Libraries' RBS files are important for RBS to be widely used. I've developed an rbs collection for libraries in recent years. And it improved libraries' RBS management for RBS users. See my talk at RubyK...
クレジットカードや銀行のキャッシュカードなどに使われる4桁の暗証番号。4つの数字の組み合わせは全部で1万通り存在しますが、過去に流出した340万件の暗証番号を分析した結果、よく使われるものとそうでないものの傾向が見えてきました。 ↑ひょっとして誕生日？ 「人気の高い4桁の暗証番号」TOP10 1234 1111 0000 1212...
Visualizing algorithms for rate limitingMay 15, 2024Why rate limit?Imagine a Twitch chat with many active participants and just one spammer. Without rate limiting, the sole spammer can easily dominate the entire conversation. With rate limiting, each user has a fair chance to participate. A rate ...
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