The L specifies that the number is a long type, so -1L is a long set to negative one, and 1L is a long set to positive one. As for why ftell doesn't just return NULL, it's because NULL is used for pointers, and …

Aug 10, 2011 · I often seen the symbol 1L (or 2L, 3L, etc) appear in R code. Whats the difference between 1L and 1? 1==1L evaluates to TRUE. Why is 1L used in R code?

What does 1L mean? [duplicate] Asked 13 years ago Modified 5 years, 3 months ago Viewed 40k times

Dec 4, 2020 · 9 Explanation Performance-wise there is no difference. (long) 1 is a constant expression (because the 1 is directly known) and hence, by the rules of the Java Language Specification (JLS), …

What means 1L serialVersionUID? When could I use this default value 1L? Asked 11 years, 10 months ago Modified 3 years, 8 months ago Viewed 52k times

Dec 3, 2020 · devtools::install_github("psyteachr/msc-data-skills") However, when I try to run that line of code I receive:

Nov 5, 2020 · Error in loadNamespace (j <- i [ [1L]], c (lib.loc, .libPaths ()), versionCheck = vI [ [j]]) : namespace 'xfun' 0.17 is already loaded, but >= 0.19 is required If you found an error as above you …

Just to add that upper case and lower case of these literal suffixes are equivalent e.g. 1l and 1L both will be treated as long integer but certainly 1L is more readable than 1l.

Possible Duplicate: What is a serialVersionUID and why should I use it? what is meant by that in a servlet (private static final long serialVersionUID = 1L)? I have 1 simple question about this guided …

Mar 6, 2021 · C言語の参考書では、整数リテラルの最後に「L」を付けるとlong型になると説明されています。 確かにメモリ上のサイズは「1」と「1L」で違っていました。 ※sizeof(1)は4、sizeof(1L) …