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newline - Difference between \n and \r? - Stack Overflow
WEBJan 6, 2016 · in Unix and all Unix-like systems, \n is the code for end-of-line, \r means nothing special. as a consequence, in C and most languages that somehow copy it (even remotely), \n is the standard escape sequence for end of line (translated to/from OS-specific sequences as needed) in old Mac systems (pre-OS X), \r was the code for end-of-line
Stackoverflow.comWhat is the difference between \r and \n? - Stack Overflow
WEBAug 14, 2009 · 474. They're different characters. \r is carriage return, and \n is line feed. On "old" printers, \r sent the print head back to the start of the line, and \n advanced the paper by one line. Both were therefore necessary to start printing on the next line. Obviously that's somewhat irrelevant now, although depending on the console you may still
Stackoverflow.comSimplification of REGEX expression - Stack Overflow
WEB6. First understand what this formal languages mean: (RS + R)*R = R(SR + R)*. From LHS, (RS + R)* uses to generate any combinations of RS and R including ^ epsilon. Some example strings are {^, RS, RSRS, RRRS, RSR,}: strings always starts from R but can end with either S or R - we can describe in English: R can appear in any combination
Stackoverflow.comWhat is the difference between \r\n, \r, and \n? [duplicate]
WEB\r (Carriage Return) → moves the cursor to the beginning of the line without advancing to the next line \n (Line Feed) → moves the cursor down to the next line without returning to the beginning of the line — In a *nix environment \n moves to the beginning of the line. \r\n (End Of Line) → a combination of \r and \n
Stackoverflow.comsyntax - What does %>% function mean in R? - Stack Overflow
WEBNov 25, 2014 · 2. %>% is the pipe operator from magrittr, widely used in other Tidyverse and compatible packages. The basic way to understand it is it takes the left-hand side (LHS) and turns it into the first argument of the right-hand side (RHS). x %>% f(y) is special syntax that is essentially f(x,y).
Stackoverflow.comr - What are the differences between "=" and - Stack Overflow
WEBThe operators <- and = assign into the environment in which they are evaluated. The operator <- can be used anywhere, whereas the operator = is only allowed at the top level (e.g., in the complete expression typed at the command prompt) or as one of the subexpressions in a braced list of expressions.
Stackoverflow.comFunction to calculate R2 (R-squared) in R - Stack Overflow
WEBDec 1, 2016 · R - Calculate Test MSE given a trained model from a training set and a test set; I agree with 42-'s comment: The R squared is reported by summary functions associated with regression functions. But only when such an estimate is statistically justified. R squared can be a (but not the best) measure of "goodness of fit".
Stackoverflow.comHow to get permission number by string : -rw-r--r--
WEBMay 31, 2012 · The full permissions mode number is a 4-digit octal number, though most of the time, you only use the 3 least-significant digits. Add up each group in the permissions string, taking r=4, w=2, x=1. For example: 421421421. \_/ -- r+w+x = 4+2+1 = 7.
Unix.stackexchange.comWhat's the differences between & and &&, | and || in R?
WEBWhile doing &&, if the comparision of first two elements resulted in false, comparing next set of elements will also result in False. So, it returns false. While doing || if comparision resulted in true in first few elements, we can confidently say that any further validations will not change the result so it returns True.
Stackoverflow.comFunction to clear the console in R and RStudio - Stack Overflow
WEBJan 10, 2013 · cat(100*i/n, "% \r") flush.console() Sys.sleep(0.01) #do something slow. } flush.console() will kind of "clear the console in r and studio", maybe not in OP's terms but still. This code will act like a progress bar in the console. For each iteration, the percentage is incremented and then erased on the next iteration.
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