To recap the process needed to use a library: Once per library: Acquire the library. Download it from the website or via a package manager. Install the library. Unzip it to a directory or install it via a package manager. Tell the compiler where to look for the header file(s) …
Sorting an array is the process of arranging all of the elements in the array in a particular order. There are many different cases in which sorting an array can be useful. For example, your email program generally displays emails in order of time received, because more recent emails are …
Consider the case where we want to find the average test score of a class of students. Using individual variables: int numStudents{ 5 }; int score0{ 84 }; int score1{ 92 }; int score2{ 76 }; int score3{ 81 }; int score4{ 56 }; int totalScore{ score0 + score1 + …
C++ is a complex language, full of subtle traps for the unwary. There is an almost infinite number of ways to screw things up. Fortunately, modern compilers are pretty good at detecting a large number of these cases and notifying the programmer via compile errors or warnings. Ultimately, any error …
By default, WordPress displays categories and archive listings in blog form — that is, by showing either excerpts or the entirety of the last N posts (dependent upon theme). While this is great for reading, it’s less than wonderful when searching for specific past entries. Category/Archive Indexing is a WordPress …
To recap the process needed to use a library: Once per library: Acquire the library. Download it from the website or via a package manager. Install the library. Unzip it to a directory or install it via a package manager. Tell the compiler where to look for the header file(s) …
A few years ago, a friend of mine introduced me to a board game called Empire Builder. The player is in charge of a railroad and is competing against the other players, who are also running their own railroad lines. Given a limited supply of money, each player has to …
A library is a package of code that is meant to be reused by many programs. Typically, a C++ library comes in two pieces: A header file that defines the functionality the library is exposing (offering) to the programs using it. A precompiled binary that contains the implementation of that …
This lesson continues the discussion of arrays that began in lesson . Initializing fixed arrays Array elements are treated just like normal variables, and as such, they are not initialized when created. One way to “initialize” an array is to do it element by element: int prime[5]; // hold the …
Note: This chapter is a bit harder than the previous ones. If you feel a little discouraged, stick with it. The best stuff is yet to come! In lesson , you learned that you can use a struct to aggregate many different data types into one identifier. This is great …
