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At this point in time, from the point of view of high level languages there is very little difference between the most common processors. At the moment, I write code for 64 bit x86 and ARM processors. …

I bet it doesn’t make a difference. If it does: Implement your function with a non virtual inline function named inline_f which has a T* pthis as the first argument and put it in the header file. Then …

It's rather bizarre how people descend into the technicalities of an implementation. The most important question is how to correct appropriately to an error, and how to keep the damage minimal. Step 1 …

You have three weaknesses. Your classes should not be aware that they can be created by a factory. Adding them to the factory should cause no change in the class. Instead, you decided they all need a …

The operating system has code that sets up these parameters and calls main() with these parameters. The version for C is easy to implement: The arguments are stored and we get one char* for each, then …

I'd start with C and C++, where things are reasonably simple. You have "objects" in memory, not in the sense of object oriented programming, but items that can be read or changed. These "objects" can …

You get the int-to-float warning because int > 2^24 are usually converted with an error. My rule is that you should use double unless you can give a good reason to use float. So what is your reason to …

There are objects that can exist only once. For example, an open file with exclusive read/write access to a file on your hard drive. You can’t have two of these objects, even for the shortest amount o …

It depends on how clever your development software is. Searching for all uses of MyClass as text is easy. But some IDEs have the ability to search for MyClass as a symbol as well. That could be by usi …

Let’s say you have a variable int x in your function. You call a function with a parameter int i, like f(x); You passed a value. Inside the function f the parameter is turned into a variable, as if y …

Before you go in deep, look at what “memory safe” in other languages means. A[i] = 0 with out of range i can overwrite a random memory location. Or it can instantly crash your software. Or it can thro …

My rule: Every header should compile on its own, so if a.h needs b.h then it includes it. Every header has protection against multiple inclusion. And source files include only what they need. In addit …

The open-closed principle is there to help you. So if you have the choice between violating the open-closed principle and not getting your job done, you get the job done. But you also have a fundament …

“optional” should be used for things that are genuinely not there, and not for default values. So if it is possible that there are no print settings, make it optional. If you decided to use default va …

If you have a “Name” class instead of string, you can use it to split into family name and given name, salutation, ordering (that’s why I didn’t say “first name” because for some people the family nam …