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const notShorter = (o, minLen) => { if (o.length < minLen) { return false } return true } const notLonger = (o, maxLen) => { if (o.length > maxLen) { 阅读全文
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const delAllNonPrintableCharacter = (str) => { const r = str.replace(/\s/g, '') return { isEmpty: r.length === 0, str: r } } 阅读全文
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eval is not a function 阅读全文
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for (const k in v){ const a=[11,22,33,44]for(let i in a ){console.log(i)i=i+1}console.log(' ')for(const i in a ){console.log(i)i=i+1} VM64:3 0VM64:3 1 阅读全文
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爬虫站点的历史入库数据，对入库数据的无外网处理，幂等操作；反之，不幂等操作 阅读全文
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vdso(7) - Linux manual page http://man7.org/linux/man-pages/man7/vdso.7.html NAME | SYNOPSIS | DESCRIPTION | NOTES | ARCHITECTURE-SPECIFIC NOTES | SEE 阅读全文