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Custom HTTP headers : naming conventions
...orwarded-For" on the one hand, vs. (B) app developers passing app-specific strings to/from client and server. The spec only concerns itself with the former, (A). The question here is whether there are conventions for (B). There are. They involve grouping the parameters together alphabetically, and s...
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...
How to create a memory leak in Java?
...eClass {
static final ArrayList list = new ArrayList(100);
}
Calling String.intern() on lengthy String
String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) open strea...
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
...
What's the difference between VARCHAR and CHAR?
...
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...
How to upload files to server using JSP/Servlet?
..., HttpServletResponse response) throws ServletException, IOException {
String description = request.getParameter("description"); // Retrieves <input type="text" name="description">
Part filePart = request.getPart("file"); // Retrieves <input type="file" name="file">
String fi...
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
...
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:
...
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?
...
How do I count the number of occurrences of a char in a String?
I have the string
45 Answers
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