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ALTER TABLE tb ADD unique (name); 阅读全文
posted @ 2019-03-05 18:00
liliyou
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const os = require('os'); console.log(os.homedir()); console.log(os.hostname()); console.log(os.platform()); console.log(os.release()); console.log(os.type()); console.log(os.userInfo()); console.log... 阅读全文
posted @ 2019-03-05 14:08
liliyou
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const fs = require('fs'); let readerStream = fs.createReadStream('input.txt'); let writerStream = fs.createWriteStream('output.txt') readerStream.pipe(writerStream); 阅读全文
posted @ 2019-03-05 10:19
liliyou
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buffer与对象，数组的互转，字符串作为中间变量 阅读全文
posted @ 2019-03-05 09:58
liliyou
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