https://github.com/luin/ioredis``` const Redis = require(‘ioredis’); const redis = new Redis(); const delScript = local all_keys = {}; local keys = {}; local done = false; local cursor = "0" repeat local result = redis.call("SCAN", cursor, "match", KEYS[1], "count", KEYS[2]) cursor = result[1]; keys = result[2]; for i, key in ipairs(keys) do all_keys[#all_keys+1] = key; end if cursor == "0" then done = true; end until done for i, key in ipairs(all_keys) do redis.call("DEL", key); end return true; ; ...

https://stackoverflow.com/questions/6600868/set-default-value-of-javascript-object-attributes``` // default num: 0, unit: ‘pics’ function items(op) { const { num, unit } = Object.assign({}, { num: 0, unit: ‘pics’}, op); }

ALTER TABLE `user` ADD `last name` VARCHAR(50) AS ( case `name` when admin then 0 else CONCAT(`name`, 'user') end ) ;

vscode remote ssh Error: EACCES: permission denied https://github.com/microsoft/vscode/issues/48659 1. make sure that sudo -u newuser -i works in a regular ssh session without requesting a password 2. remove “-o RemoteCommand=none” and “bash” from extension.js like so``` sed -i s/"-o RemoteCommand=none"/""/ ~/.vscode/extensions/ms-vscode-remote.remote-ssh-*/out/extension.js sed -i s/“bash”/""/ ~/.vscode/extensions/ms-vscode-remote.remote-ssh-*/out/extension.js 3\. create an ssh config entry with a RemoteCommand like this one: Host pi-for-newuser Hostname pi User pi RemoteCommand sudo -u newuser -i [](https://1.bp.blogspot.com/-FXedlr85sQM/Xuw5z-9I5kI/AAAAAAAAZso/-0XXb2R1LWI7qAlYkZvN31GjVuKov9e_gCK4BGAsYHg/s1606/dddddd.jpg) Get Problem: mesg: ttyname failed: Inappropriate ioctl for device [https://unix.stackexchange.com/questions/48527/ssh-inside-ssh-fails-with-stdin-is-not-a-tty](https://unix.stackexchange.com/questions/48527/ssh-inside-ssh-fails-with-stdin-is-not-a-tty) RequestTTY Yes RemoteCommand sudo -i ...

https://firebase.google.com/docs/hosting/manage-cache?hl=zh-cn#using_cookies 将 Firebase 托管与 Cloud Functions 或 Cloud Run 搭配使用时，Cookie 通常会从传入的请求中剥离出来。这是实现高效的 CDN 缓存行为所必需的。只有特别指定的 __session Cookie 可以传入应用执行过程中。 __session Cookie（如果存在）会自动成为缓存键的一部分，也就是说，使用不同 Cookie 的两个用户绝不会收到彼此的已缓存响应。只有在您的应用根据用户授权提供不同的内容时，您才能使用 __session Cookie。