C: sizeof is an operator

C++: dereference

C++: There are void pointers but no void references

C++: pass-by-value / pass-by-pointer / pass-by-reference

C++: A syntax constraint when defining variables in the statements of if, while and switch

C++: declarations vs. definitions / extern

C++: Including headers

The compilation process

R Dates

R: Generating All Pairwise Combinations of Strings