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How to get the number of characters in a std::string?

How should I get the number of characters in a string in C++? 12 Answers 12 ...
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windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术

...码转换为linux使用的utf8格式的,否则会出现乱码。 //m_string是windows下的中文字符串 //utf8_string是返回转换为utf8编码的中文字符串 //slen是utf8_string字符数组的大小 int multichar_2_utf8(const char *m_string,char *utf8_string,int slen) { int le...
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Should I use char** argv or char* argv[]?

...har *argv[] because it shows that is a fixed size array of variable length strings (which are usually char *). share | improve this answer | follow | ...
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__FILE__, __LINE__, and __FUNCTION__ usage in C++

...Y_FUNCTION__ when it's available for the extra class scoping. PS: static string getScopedClassMethod( string thePrettyFunction ) { size_t index = thePrettyFunction . find( "(" ); if ( index == string::npos ) return thePrettyFunction; /* Degenerate case */ thePrettyFunction . erase( in...
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How many and which are the uses of “const” in C++?

... compiler help you to decide when and when not you need to copy. struct MyString { char * getData() { /* copy: caller might write */ return mData; } char const* getData() const { return mData; } }; Explanation: You might want to share data when you copy something as long as the data of th...
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How can I pad a String in Java?

Is there some easy way to pad Strings in Java? 30 Answers 30 ...
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How would one write object-oriented code in C? [closed]

...rtainly do interfaces and multiple inheritence in C but it's a fair bit of extra work, and you have to manage the smarts yourself rather than using C++ built-in stuff. – paxdiablo Jul 7 '14 at 22:05 ...
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Why declare a struct that only contains an array in C?

... You can use struct to make a new type of data like string. you can define : struct String { char Char[MAX]; }; or you can create a List of data that you can use it by argument of functions or return it in your methods. The struct is more flexible than an array, because...
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Check if character is number?

...arseInt and than check with isNaN or if you want to work directly on your string you can use regexp like this: function is_numeric(str){ return /^\d+$/.test(str); } share | improve this answe...
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How to print binary tree diagram?

... n23.left = n33; return root; } public static void main(String[] args) { BTreePrinter.printNode(test1()); BTreePrinter.printNode(test2()); } } class Node<T extends Comparable<?>> { Node<T> left, right; T data; public Node(T dat...