query: What is mean $_
positive_passages.docid: 148295
positive_passages.text: Shell variable $_ not behaving as expected
negative_passages.docid: 19555
negative_passages.text: Difference between >>> and >>
negative_passages.docid: 41930
negative_passages.text: Mean of $ \sum (X_i - \bar{X})^2$
negative_passages.docid: 51432
negative_passages.text: What does the "$#" special parameter mean in Bash?
negative_passages.docid: 36359
negative_passages.text: What does $# mean in shell?
negative_passages.docid: 111595
negative_passages.text: What does this sign exactly mean? |=
negative_passages.docid: 92087
negative_passages.text: What does =* mean?
negative_passages.docid: 71795
negative_passages.text: What does the Bash operator <<< (i.e. triple less than sign) mean?
negative_passages.docid: 66056
negative_passages.text: Excel Formula Meaning of $
negative_passages.docid: 119974
negative_passages.text: What does << mean in Java?
negative_passages.docid: 103889
negative_passages.text: What does 2>&1 in this command mean?
negative_passages.docid: 45662
negative_passages.text: What is `$?` ? Is it a variable?
negative_passages.docid: 56945
negative_passages.text: What does the math notation $\sum$ mean?
negative_passages.docid: 24686
negative_passages.text: What does `~/ ` mean?
negative_passages.docid: 155152
negative_passages.text: What does [&] mean before function?
negative_passages.docid: 122780
negative_passages.text: What does # mean in Mathematica?
negative_passages.docid: 93920
negative_passages.text: What does @ mean in PHP?