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COBOL uses the STRING statement to concatenate string variables. MATLAB and Octave use the syntax "[x y]" to concatenate x and y. Visual Basic and Visual Basic .NET can also use the "+" sign but at the risk of ambiguity if a string representing a number and a number are together. Microsoft Excel allows both "&" and the function "=CONCATENATE(X,Y)".
The strings over an alphabet, with the concatenation operation, form an associative algebraic structure with identity element the null string—a free monoid. Sets of strings with concatenation and alternation form a semiring, with concatenation (*) distributing over alternation (+); 0 is the empty set and 1 the set consisting of just the null ...
By default, a Pandas index is a series of integers ascending from 0, similar to the indices of Python arrays. However, indices can use any NumPy data type, including floating point, timestamps, or strings. [4]: 112 Pandas' syntax for mapping index values to relevant data is the same syntax Python uses to map dictionary keys to values.
A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.
Former U.S. President Bill Clinton speaks on Day 3 of the Democratic National Convention (DNC) at the United Center, in Chicago, Illinois, U.S., August 21, 2024.
From July 2012 to December 2012, if you bought shares in companies when Kevin W. Warsh joined the board, and sold them when he left, you would have a -1.5 percent return on your investment, compared to a 4.9 percent return from the S&P 500.
From January 2008 to December 2012, if you bought shares in companies when Dennis H. Reilley joined the board, and sold them when he left, you would have a -17.6 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Today's Wordle Answer for #1251 on Thursday, November 21, 2024. Today's Wordle answer on Thursday, November 21, 2024, is SPINE. How'd you do? Next: Catch up on other Wordle answers from this week.