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How much is the overhead of smart pointers compared to normal pointers in C++?
... the iteration is done you'll know you have to erase it. So you could gain extra memory from not using a smart_ptr...
But do you really want to do that?
A single memory leak could make your product have a point of failure in time (let's say your program leaks 4 megabytes each hour, it would take mon...
What are the differences between Rust's `String` and `str`?
Why does Rust have String and str ? What are the differences between String and str ? When does one use String instead of str and vice versa? Is one of them getting deprecated?
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Best way to serialize an NSData into a hexadeximal string
...king for a nice-cocoa way to serialize an NSData object into a hexadecimal string. The idea is to serialize the deviceToken used for notification before sending it to my server.
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Extracting substrings in Go
... from the console (including whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character:
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What is “rvalue reference for *this”?
... within this heterogeneous set, a member function is considered to have an extra parameter, called the implicit object parameter, which represents the object for which the member function has been called. [...]
p3 Similarly, when appropriate, the context can construct an argument list that contains ...
Calling C++ class methods via a function pointer
...ility with member pointers - Visual C++, at least in the past, needed some extra clues about how to represent member pointer types. I'd use the static function approach for an embedded system - the representation of a pointer is the same as any other function pointer, the costs are obvious, and ther...
How to check if a char is equal to an empty space?
...e, so it can be compared with ==.
Also, by using double quotes you create String constant (" "), while with single quotes it's a char constant (' ').
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std::string to float or double
I'm trying to convert std::string to float/double .
I tried:
15 Answers
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Java: parse int value from a char
... know if there's a better solution to parse a number from a character in a string (assuming that we know that the character at index n is a number).
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Test if characters are in a string
I'm trying to determine if a string is a subset of another string. For example:
9 Answers
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