Algorithm to Find Duplicate Files in System using Hash Map
Given a list of directory info including directory path, and all the files with contents in this directory, you need to find out all the groups of duplicate files …
C++ Coding Reference: Copy N values by using std::fill_n()
We talked about std::fill() that we can use to copy over a single value to a range [First, Last). If you know the number of elements you want to …
C++ Advanced Topics: 10 Questions
Here are the 10 questions to test your C++ advanced topics skills (correct answers are marked in BOLD): You want to use std::map as a lookup table, but you …
C++ Coding Reference: Filling a Range with a Value using std::fill()
The C++ fill is provided in xutility and it allows us to copy a value into a range either vector or array. The std::fill() is defined using template: template<class …
How to Get List of IP addresses in BASH using hostname and tr commands?
The hostname shows or sets the system’s hostname. The option ‘-I’ or ‘–all-ip-addresses’ list the IP addresses on one single line. -i, --ip-address Display the network address(es) of the …
C++ Coding Reference: iota() – Setting Incrementing Values to Arrays or Vectors
The C++ method iota (not to be confused with itoa which is to convert integers to string), is defined in header numeric. Its purpose is to compute increasing values …