IP屬地:甘肅
find . -name "*" -type f -size 0c | xargs -n 1 rm -f
Linux操作系統(tǒng)下運(yùn)行ctrl+z時:強(qiáng)制將當(dāng)前進(jìn)程轉(zhuǎn)為后臺漱贱,并使之停止榄审; 解決方法:按b+g即可驳概。 (這個虧我已經(jīng)吃了好幾次了剔蹋,我這次一定要...
Reduce 函數(shù) Reduce(intersect, list(v1 = c("a","b","c","d"), v2 = c("a","b...
字符處理函數(shù) 函 數(shù) 描 述 nchar(x) 計(jì)算 x 中的字符數(shù)量 x <- c("ab", "cde", "fghij") length(...