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Use of 'const' for function parameters
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Sometimes (too often!) I have to untangle someone else's C++ code. And we all know that someone else's C++ code is a complete mess almost by definition :) So the first thing I do to decipher local data flow is put const in every variable definition until compiler starts barking. Th...
C pointers : pointing to an array of fixed size
...n is by using a pointer-to-array parameter
void foo(char (*p)[10]);
(in C++ language this is also done with references
void foo(char (&p)[10]);
).
This will enable language-level type checking, which will make sure that the array of exactly correct size is supplied as an argument. In fact...
Boost Statechart vs. Meta State Machine
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Minor nit-pick: In release mode, the use of C++ RTTI (dynamic_cast, typeid) is strictly optional with Boost.Statechart.
– user49572
Nov 30 '10 at 7:43
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Why hasn't functional programming taken over yet?
...lesale embracing of the purity and beauty of Haskell and the abandoning of C++.
I build compilers for a living and we are definitely embracing a functional style for the next generation of compiler tools. That's because functional programming is fundamentally a good match for the sorts of problems ...
What is Hindley-Milner?
... which is specified in the definition, and not parametric polymorphism ala C++ where the actual type is specified by the programmer to create a new function.
– corazza
Apr 13 '14 at 11:50
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Under what circumstances are linked lists useful?
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It's also good to know that C++'s default std::list is not safe in a multithreaded context without locks.
– Mooing Duck
Aug 26 '13 at 19:30
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How can I know which parts in the code are never used?
I have legacy C++ code that I'm supposed to remove unused code from. The problem is that the code base is large.
18 Answers...
How can you program if you're blind?
...oped to make things such as the form designer more accessible.
For C and C++ programming I use cygwin with gcc as my compiler and emacs or vim as my editor depending on what I need to do. A lot of my internship involved programming for Z/OS. I used an rlogin session through Cygwin to access the US...
Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
What are “first class” objects?
...uted processes
being storable outside running processes
Source.
In C++ functions themselves are not first class objects, however:
You can override the '()' operator making it possible to have an object function, which is first class.
Function pointers are first class.
boost bind, lambda a...