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[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
A slice, called a cross-section, of an array can be referred to by using asterisk as the subscript for one or more dimensions. The following code sets all the elements in the first column of X to zero. One or more subscripts can be specified by asterisks in an expression. [2]: p.43 DECLARE X(5,5); X(*,1)=0;
Some magazines devoted regular columns solely to impressive short and one-line programs. [2] The word One-liner also has two references in the index of the book The AWK Programming Language (the book is often referred to by the abbreviation TAPL). It explains the programming language AWK, which is part of the Unix operating system.
Single-line comments begin with the hash character (#) and continue until the end of the line. Comments spanning more than one line are achieved by inserting a multi-line string (with """ or ''' as the delimiter on each end) that is not used in assignment or otherwise evaluated, but sits in between other statements. Commenting a piece of code:
Array programming primitives concisely express broad ideas about data manipulation. The level of concision can be dramatic in certain cases: it is not uncommon [example needed] to find array programming language one-liners that require several pages of object-oriented code.
Another resident, Edvard Jensen, was more dismissive, telling DR that he didn’t believe Trump would invade Greenland. “He just wants the attention, and now he has it.”
Alijah Martin scored 18 points, Denzel Aberdeen added 16 and No. 8 Florida thumped top-ranked Tennessee 73-43 on Tuesday night to knock off the last unbeaten team in Division I basketball. Alex ...
The highly touted hurler sat out the 2020 season to rest his young arm, at his team’s behest. In 2021, he broke out as one of the best pitchers in Japan’s top league.