Quickwit：亚秒级延迟的对象存储搜索引擎

{
"default_search_fields": ["body", "title"], // If you do not specify fields in your query, those fields will be used. 
"field_mappings": [
        {
"name": "body",
"type": "text"
        },
        {
"name": "title",
"type": "text"
        },
        {
"name": "url",
"type": "text",
"indexed": false, // Field not indexed, you will not be able to search on this field.
"stored": false  // Field not stored. 
        }
    ]
}

$ ./quickwit new --index-uri file:///$(pwd)/wikipedia --index-config-path ./wiki_index_config.json

./quickwit index --index-uri file:///$(pwd)/wikipedia --input-path wiki-articles-10000.json

$ head -1  wiki-articles-10000.json
{"url":"https://en.wikipedia.org/wiki?curid=48687903","title":"Jeon Hye-jin (actress, born 1988)","body":"\nJeon Hye-jin (actress, born 1988)\n\nJeon Hye-jin (born June 17, 1988) is a South Korean actress.\nPersonal life.\nJeon married his \"Smile, You\" co-star Lee Chun-hee on March 11, 2011. Their daughter, Lee So Yu, was born on July 30, 2011.\n\n"}

$ ./quickwit serve --index-uri file:///$(pwd)/wikipedia

$ curl "http://0.0.0.0:8080/api/v1/wikipedia/search?query=barack+AND+obama"
# 指定 field
$ curl "http://0.0.0.0:8080/api/v1/wikipedia/search?query=body:barack+AND+obama"

$ tree . -L 2
.
├── quickwit
├── wiki-articles-10000.json
├── wiki_index_config.json
└── wikipedia
    ├── 7fc17075-3a78-4071-be53-e7941023c94a
    └── quickwit.json

libreddit：用 Rust 编写的 Reddit 私有前端

$ libreddit

quiche：QUIC 和 HTTP/3 的实现

debug2：省空间的 Printer

let complex_structure = vec![
vec![Some(1), Some(2), Some(3), None],
vec![Some(2), None],
vec![Some(4), Some(7)],
vec![Some(1), Some(2), Some(3), None],
];
// 单行
let one_line = format!("{:?}", complex_structure);
assert_eq!(one_line, "[[Some(1), Some(2), Some(3), None], [Some(2), None], [Some(4), Some(7)], [Some(1), Some(2), Some(3), None]]");
// 多行
let many_lines = format!("{:#?}", complex_structure);
assert_eq!(many_lines, "[
    [
        Some(
            1,
        ),
        Some(
            2,
        ),
        Some(
            3,
        ),
        None,
    ],
    [
        Some(
            2,
        ),
        None,
    ],
    [
        Some(
            4,
        ),
        Some(
            7,
        ),
    ],
    [
        Some(
            1,
        ),
        Some(
            2,
        ),
        Some(
            3,
        ),
        None,
    ],
]")

use debug2::pprint;
let complex_structure = vec![
vec![Some(1), Some(2), Some(3), None],
vec![Some(2), None],
vec![Some(4), Some(7)],
vec![Some(1), Some(2), Some(3), None],
vec![Some(2), None],
vec![Some(4), Some(7)],
vec![Some(1), Some(2), Some(3), None],
vec![Some(2), None],
vec![Some(4), Some(7)],
];
assert_eq!(
    pprint(complex_structure),
"\
[
    [Some(1), Some(2), Some(3), None],
    [Some(2), None],
    [Some(4), Some(7)],
    [Some(1), Some(2), Some(3), None],
    [Some(2), None],
    [Some(4), Some(7)],
    [Some(1), Some(2), Some(3), None],
    [Some(2), None],
    [Some(4), Some(7)],
]"
);

quilkin：用于大型多人专用游戏服务器部署的非透明 UDP 代理

一个教学目的的轻量 Web 浏览器

From 日报小组 长琴

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