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Templated check for the existence of a class member function?
...SFINAE causes the template to be ignored. Usage like this:
HAS_MEM_FUNC(toString, has_to_string);
template<typename T> void
doSomething() {
if(has_to_string<T, std::string(T::*)()>::value) {
...
} else {
...
}
}
But note that you cannot just call that toString fu...
What's the point of malloc(0)?
...ht_be_zero) perhaps could have their uses, although again you have to take extra care not to treat a NULL return as a failure if the value is 0, but a 0 size is supposed to be OK.
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How to convert integer to string in C? [duplicate]
...afer in that you specify how much input you're taking. Otherwise, If your string has multi-byte characters, or ends up longer than you expected due to large numbers, you can overflow your buffer and crash your program (etc).
– gone
Apr 23 '14 at 9:06
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Method Overloading for null argument
... Does this mean that if compiler were to choose in between doSomething(String str) and doSomething(Object obj) during runtime with doSomething(null), doSomething(String str) will be called.
– Sameer
Nov 10 '16 at 9:22
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How to remove illegal characters from path and filenames?
...st and simple way to remove illegal path and file characters from a simple string. I've used the below code but it doesn't seem to do anything, what am I missing?
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Is there a way to get rid of accents and convert a whole string to regular letters?
... getting rid of accents and making those letters regular apart from using String.replaceAll() method and replacing letters one by one?
Example:
...
Check if a string has white space
I'm trying to check if a string has white space . I found this function but it doesn't seem to be working:
7 Answers
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How do I count the number of occurrences of a char in a String?
I have the string
45 Answers
45
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What's the difference between VARCHAR and CHAR?
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CHAR
Used to store character string value of fixed length.
The maximum no. of characters the data type can hold is 255 characters.
It's 50% faster than VARCHAR.
Uses static memory allocation.
VARCHAR
Used to store variable length alphanumeric data.
T...
Store boolean value in SQLite
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Which is better in term of performance! true/false as strings or 0/1 integer?
– Muhammad Babar
Aug 9 '15 at 13:38
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