Kohta Ito koh110
koh110
/ grafana.md
Last active
May 2, 2021 16:30
配列のメモリ使用量確認
$ node memory_new_array.js
[
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
Array performance https://v8.dev/blog/elements-kinds#avoid-creating-holes
$ node -v
v14.14.0
$ node simple_loop.js
loop: 475.427ms
koh110
/ mapping.js
Created
June 17, 2020 12:05
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| const settings = { | |
| index: { max_ngram_diff: 2 }, | |
| analysis: { | |
| tokenizer: { | |
| kuromoji_tokenizer: { | |
| type: 'kuromoji_tokenizer', | |
| mode: 'search' | |
| }, | |
| unigram_tokenizer: { | |
| type: 'ngram', |
# index 確認
$ curl -X GET 'localhost:9200/_cat/indices?v'
$ curl -X DELETE 'localhost:9200/index-rooms-v1?pretty'
$ curl -X POST -H 'Content-Type: application/json' 'http://localhost:9200/rooms/_analyze?pretty' -d '{"analyzer": "ngram", "text": "general"}'
$ curl -X POST -H 'Content-Type: application/json' "http://localhost:9200/rooms/_search?pretty=true" -d '
{https://redis.io/topics/distlock
ioredis lock
https://gist.github.com/micrypt/1207324
# display scaling
xrandr --output Virtual1 --mode 3840x2160 --scale 0.7x0.7$ node -v
v12.12.0
$ node promise.js
pure: 4.863ms
promise: 47.649ms
koh110
/ date-format-performance.js
Last active
August 29, 2019 09:28
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| const moment = require('moment') | |
| const dayjs = require('dayjs') | |
| const { format } = require('date-fns') | |
| const limit = 10000 | |
| const date = new Date() | |
| console.time('intl') | |
| for (let i = 0; i < limit; i++) { |
koh110
/ JSConfEU.md
Created
June 2, 2019 20:17
Web が真に公平な platform ならばハンデがあっても漫画が読めるはず 漫画の読み上げ leader を作ったっぽい
読みすすめていくと該当箇所のセリフが speech されるデモ
2.2%の homepage が WCAG2 を達成している https://waic.jp/docs/WCAG20/Overview.html https://waic.jp/docs/UNDERSTANDING-WCAG20/Overview.html
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