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What are best practices that you use when writing Objective-C and Cocoa? [closed]
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This is a great reference for someone comming from C++, where I did most of the things you advise against.
– Clinton Blackmore
Jul 31 '09 at 23:17
4
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What do the terms “CPU bound” and “I/O bound” mean?
...chmark code:
POSIX C pthread source code used in the graph.
And here is a C++ version that produces analogous results.
plot script
I don't know enough computer architecture to fully explain the shape of the curve, but one thing is clear: the computation does not become 8x faster as naively expec...
Looking for a clear definition of what a “tokenizer”, “parser” and...
... C# and Java" and "Compilers and Compiler Generators: an Introduction with C++" by Pat Terry; and, of course, "The Definitive ANTLR Reference" by Terrence Parr.
– Andre Artus
Jun 8 '10 at 6:35
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Does const mean thread-safe in C++11?
I hear that const means thread-safe in C++11 . Is that true?
1 Answer
1
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How is “=default” different from “{}” for default constructor and destructor?
... "user-provided". And that changes everything.
This is a trivial class by C++11's definition:
struct Trivial
{
int foo;
};
If you attempt to default construct one, the compiler will generate a default constructor automatically. Same goes for copy/movement and destructing. Because the user did ...
What is the difference between quiet NaN and signaling NaN?
...he FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and provides standardized ways to create and test for NaNs. However, whether the controls are implemented is not well standardized and floating-point exc...
When should I use a struct rather than a class in C#?
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more expensive than in C/C++? in C++ the recommended way is to pass objects by value
– user90843
Jul 8 '13 at 20:53
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Using emit vs calling a signal as if it's a regular function in Qt
... for the signal emitting function, which you can look at by inspecting the C++ code generated by moc.
For example a foo signal with no parameters generates this member function:
void W::foo()
{
QMetaObject::activate(this, &staticMetaObject, 0, 0);
}
And the code emit foo(); is pre-proces...
What does “S3 methods” mean in R?
...nction OO.
This is different from most programming languages, like Java, C++ and
C#, which implement message-passing OO. With message-passing, messages
(methods) are sent to objects and the object determines which function
to call. Typically, this object has a special appearance in the metho...
Please explain some of Paul Graham's points on Lisp
...apturing repeated patterns in macros in a far cleaner way than C macros or C++ templates, and manipulating code with the same core list operations that you use for data.
(4) taking C for example: the language is really two different sub languages: stuff like if() and while(), and the preprocessor. ...