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Dataframe may refer to: A tabular data structure common to many data processing libraries: pandas (software) § DataFrames; The Dataframe API in Apache Spark; Data frames in the R programming language; Frame (networking)
Zip2 Corp. [2] was a company that provided and licensed online city guide software to newspapers. [3] The company was founded in Palo Alto, California as Global Link Information Network, Inc. on November 9, 1995, [4] by Greg Kouri and brothers Elon and Kimbal Musk.
Ling-Ling (bottom) being playfully nipped by Hsing-Hsing after mating, March 18, 1983. Ling-Ling (Chinese: 玲玲, 1969–1992) and Hsing-Hsing (simplified Chinese: 兴兴; traditional Chinese: 興興, 1970–1999) were two giant pandas given to the United States as gifts by the government of China following President Richard Nixon's visit in 1972.
A universal hashing scheme is a randomized algorithm that selects a hash function h among a family of such functions, in such a way that the probability of a collision of any two distinct keys is 1/m, where m is the number of distinct hash values desired—independently of the two keys. Universal hashing ensures (in a probabilistic sense) that ...
If an intersection (in the United States) is represented in data by the zip code (5-digit number) and two street names (strings of text), bugs may appear when a city where streets intersect multiple times is encountered. While this example may be oversimplified, restructuring of data is a fairly common problem in software engineering, either to ...
The .ZIP file format was designed by Phil Katz of PKWARE and Gary Conway of Infinity Design Concepts. The format was created after Systems Enhancement Associates (SEA) filed a lawsuit against PKWARE claiming that the latter's archiving products, named PKARC, were derivatives of SEA's ARC archiving system. [3]
The software libraries supplied by UCAR provide read-write access to netCDF files, encoding and decoding the necessary arrays and metadata. The core library is written in C, and provides an application programming interface (API) for C, C++ and two APIs for Fortran applications, one for Fortran 77, and one for Fortran 90.
Two red arrows starting from the same node indicate a split, while two green arrows ending at the same node correspond to an execution of the merge algorithm. The merge algorithm plays a critical role in the merge sort algorithm, a comparison-based sorting algorithm. Conceptually, the merge sort algorithm consists of two steps: