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magrittr.tidyverse.org | ||
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josiahparry.com
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echarts4r.john-coene.com
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dplyr.tidyverse.org
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| | | | | Select (and optionally rename) variables in a data frame, using a concise mini-language that makes it easy to refer to variables based on their name (e.g. a:f selects all columns from a on the left to f on the right) or type (e.g. where(is.numeric) selects all numeric columns). Overview of selection features Tidyverse selections implement a dialect of R where operators make it easy to select variables: : for selecting a range of consecutive variables. ! for taking the complement of a set of variables. & ... | |
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cellperformance.beyond3d.com
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| | | [AI summary] The provided text discusses strict aliasing in C programming, particularly in the context of the C99 standard. It explains how strict aliasing rules prevent different types from referring to the same memory location, and how this affects compiler optimizations. The text also covers the use of standard integer types like uint64_t and uint32_t from the C99 stdint.h header, and emphasizes the importance of enabling strict aliasing with GCC's -fstrict-aliasing flag for performance and correctness. | ||
