Tips and tricks for programming
Lately, there have been questions on whether C++ passes the actual object to a function or a copy of it. In other words, is C++ a pass-by-reference or pass-by-value language? Consider the following: string MyString = “Answer = 42”; What happens when you call a function with our new string? CallFunc(MyString); Does C++ pass in …
Is the Dinosaur Still King? I have used and abused the printf function since the 80’s. Yes, the NINETEEN 80’s. My first C compiler was Power C on a Commodore C64. By the time I picked up C, I had learned BASIC and Assembly Language (a mnemonic machine language). You can imagine the smile on …
The Do/While Definition The C++ Do/Do-While loops are 1st class tools to iterate through Arrays, Process Input, output from a database query and much more. Their definitions look like this: do Statement; while(condition); do{ Statement; } while(condition); while(Condition) Statement; while(Condition) { Statement; }; The DO loop will always execute the loop at least once. It …
The For Loop Definition The FOR loop in C and C++ is very powerful and in some ways, outclasses the FOR loop in other languages. Its basic definition looks like this: for(Initializer; Test; Incrementor) { foo(); foowho(); }; Or for(Initializer; Test; Incrementor) foo(); // Loopy stuff done here Lets look at an example of counting …
This software timer implementation allows an unlimited number of timers and has a 1-millisecond resolution. It uses NO hardware timers and only needs a call from your main loop.
The Ternary Operator in C++ and other languages can compact 4 lines of code into 1 single line