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How do function pointers in C work?
...have a pointer to the function, let's use it:
int sum = (*functionPtr)(2, 3); // sum == 5
Passing the pointer to another function is basically the same:
int add2to3(int (*functionPtr)(int, int)) {
return (*functionPtr)(2, 3);
}
We can use function pointers in return values as well (try to ...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...ing. The analogous std::shared_timed_mutex is available only since C++14 (N3891), while std::shared_mutex is available only since C++17 (N4508).
C++11 timeouts are different to Boost timeouts (though this should soon change now Boost.Chrono has been accepted).
Some of the names are different (e.g. b...
Can I call a constructor from another constructor (do constructor chaining) in C++?
... {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more) constructors via default parameters:
class Foo {
public:
Foo(char x, int y=0); // combin...
How can I join elements of an array in Bash?
...
30 Answers
30
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Do I need elements in persistence.xml?
...
answered Nov 22 '09 at 23:10
Pascal ThiventPascal Thivent
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Notification passes old Intent Extras
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IncrediAppIncrediApp
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PHP: How to remove all non printable characters in a string?
I imagine I need to remove chars 0-31 and 127,
17 Answers
17
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Why does Clojure have “keywords” in addition to “symbols”?
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139
Here's the Clojure documentation for Keywords and Symbols.
Keywords are symbolic identifier...
How to navigate to a directory in C:\ with Cygwin?
...erything I saw said to install Cygwin. So I did. But...sip is in C:\Python31\sip .
13 Answers
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How to get the list of files in a directory in a shell script?
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answered Mar 13 '10 at 6:08
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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