大约有 44,000 项符合查询结果（耗时：0.0820秒） [XML]
Variable length (Dynamic) Arrays in Java
I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions?
...
How to create JSON string in JavaScript?
...bj = new Object();
obj.name = "Raj";
obj.age = 32;
obj.married = false;
//convert object to json string
var string = JSON.stringify(obj);
//convert string to Json Object
console.log(JSON.parse(string)); // this is your requirement.
...
insert vs emplace vs operator[] in c++ map
I'm using maps for the first time and I realized that there are many ways to insert an element. You can use emplace() , operator[] or insert() , plus variants like using value_type or make_pair . While there is a lot of information about all of them and questions about particular cases, I sti...
What XML parser should I use in C++? [closed]
...ow, but it's simple and obvious. It has a lot of convenience functions for converting attributes and so forth.
Writing XML is no problem in TinyXML. You just new up some objects, attach them together, send the document to a std::ostream, and everyone's happy.
There is also something of an ecosystem ...
Do the parentheses after the type name make a difference with new?
...e.
Sometimes the memory returned by the new operator will be initialized, and sometimes it won't depending on whether the type you're newing up is a POD (plain old data), or if it's a class that contains POD members and is using a compiler-generated default constructor.
In C++1998 there are 2 typ...
Display current time in 12 hour format with AM/PM
...nks @RuchiraGayanRanaweei... i just wondering to capture the 24 format and convert it into the AM/PM format...
– gumuruh
Aug 6 '14 at 3:26
...
C++ Returning reference to local variable
... get rid of it
}
Typically you would wrap the pointer in some RAII class and/or a factory function so you don't have to delete it yourself.
In either case, you can just return the value itself (although I realize the example you provided was probably contrived):
int func3()
{
return 1;
}
in...
Unsigned keyword in C++
...of these types can be modified using the keywords signed, unsigned, short, and long. When one of these type modifiers is used by itself, a data type of int is assumed
This means that you can assume the author is using ints.
...
What's the maximum value for an int in PHP?
...
integers. Integer size can be
determined using the constant
PHP_INT_SIZE, and maximum value using
the constant PHP_INT_MAX since PHP
4.4.0 and PHP 5.0.5.
64-bit platforms usually have a maximum value of about 9E18, except on Windows prior to PHP 7, where it was always 32 bit.
...
How do you pass a function as a parameter in C?
...e parameter f will be a pointer to a function which has a void return type and which takes a single int parameter. The following function (print) is an example of a function which could be passed to func as a parameter because it is the proper type:
void print ( int x ) {
printf("%d\n", x);
}
F...