Ajv - Another JSON Schema Validator
Ajv is used by a large number of JavaScript applications and libraries in all JavaScript environments - Node.js, browser, Electron apps, WeChat mini-apps etc. It allows implementing complex data validation logic via declarative schemas for your JSON data, without writing code. Out of the box, Ajv supports JSON Schema (drafts 04, 06, 07, 2019-09 and 2020-12) and JSON Type Definition (RFC8927 (opens
The simdjson library
Parsing gigabytes of JSON per second JSON is everywhere on the Internet. Servers spend a lot of time parsing it. The simdjson library uses commonly available SIMD instructions and microparallel algorithms to break speed records. Browse the API The simdjson library on GitHub Highlights Fast: Over 4x faster than RapidJSON and 25x faster than JSON for Modern C++. Easy: First-class, easy to use and ca
Parsing JSON faster with Intel AVX-512 – Daniel Lemire's blog
Many recent Intel processors benefit from a new family of instructions called AVX-512. These instructions operate over wide registers (up to 512 bits) and follow the Single instruction, multiple data (SIMD) paradigm. These new AVX-512 instructions allow you to break some speed records, such as decoding base64 data at the speed of a memory copy. Most modern processors have SIMD instructions. The AV
jless - A Command-Line JSON Viewer
jless is a command-line JSON viewer designed for reading, exploring, and searching through JSON data. jless will pretty print your JSON and apply syntax highlighting. Use it when exploring external APIs, or debugging request payloads. Expand and collapse Objects and Arrays to grasp the high- and low-level structure of a JSON document. jless has a large suite of vim-inspired commands that make expl
rjとtとjqコマンドでHTTPレスポンスを試験する - ゆーすけべー日記
Web 開発者は HTTP レスポンスをよく見る。 以前 CDN を導入する際に、キャッシュがヒットしているかどうか、どこのエッジがキャッシュを返しているかを確認するためにヘッダをよく見ていた。また、ヘッダだけではなく、TTFB といったレスポンスタイムも気にしている。とにかく HTTP レスポンスをよく見る。 HTTP レスポンスを確認する３つの方法 Chrome さえあれば DevTools を見て一目瞭然である。 とはいえ、コマンドラインで確認したい時がしばしばある。 GUI を操作するよりも手軽である。 その場合はcurlコマンドを叩けばよい。 これでプロトコル、ステータス、ヘッダが分かる。 また、レスポンスタイムを測りたければ、その名もttfb.shというcurlをラップしたコマンドラインツールがある。 https://github.com/jaygooby/ttfb.sh この
Parsing JSON is a Minefield
seriot.ch About > Projects > Parsing JSON is a Minefield Parsing JSON is a Minefield 💣 [2016-10-26] First version of the article [2016-10-28] Presentation at Soft-Shake Conference, Geneva (slides) [2016-11-01] Article and comments in The Register [2017-11-16] Presentation at Black Alps Security Conference, Yverdon (slides) [2018-03-09] Presentation at Toulouse Hacking Conference (slides) [2018-03
The 74,000 numbers of Barclays Bank
The UK faces an epidemic of telephone scams. Fraudsters are constantly calling people up pretending to be their bank. But how can you be sure the number displayed on your screen in genuine? You can't. The telecom system is hopelessly insecure and shouldn't be trusted for anything more complicated than dialling the speaking clock. Barclays bank knows that customers are worried about this. So they'v
how to be popular · discrete blogarithm
how to be popular Aug 2, 2021 This is a quick blog post about a security vulnerability (now fixed) that allowed me to make anyone like or message a profile on okcupid.com simply by getting them to click a link on my website. In doing so, I used one of the most boring web application security issues (CSRF) combined with a somewhat interesting JSON type confusion. Proof that it worked on a friend wh
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JSON Crack | More Than A JSON Editor
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