FAQ Database Discussion Community


How to make a protected file list on my server?

protected,.htpasswd
I've a silly question. I did not create a protected list of folder and file on my server with htaccess. I've a folder protect with htpasswd. There is this in my htaccess : AuthType Basic AuthName "My Protected Area" AuthUserFile .htpasswd Require valid-user But when i add this line for...

Why protected scope is not working?

java,protected
I am trying an exercise with Java's protected scope. I have a Base class in package1: package package1; public class Base { protected String messageFromBase = "Hello World"; protected void display(){ System.out.println("Base Display"); } } and I have a Neighbour class in same package: package package1; public class Neighbour {...

why public methods are there in object class?they can be protected and will keep thing more private

java,private,public,protected,access-specifier
As for java architecture is concern "to keep things as much private as possible".Thats why finalize method is protected in object class. protected void finalize() throws Throwable { } Why is the finalize() method in java.lang.Object “protected”?please have a look on Mehrdad Afshari answer. then why many other method like...

Is this way to extend a library with virtual protected methods safe?

c++,protected
An external library that I'm using has the following structure: #include <stdio.h> struct A { protected: virtual void f() {} }; struct B : A { void f() {printf("B\n");} }; I have now extended this library by struct C : A { void f() {printf("C\n");} }; Now I would like...

C++ Isn't this a useless inline declaration?

c++,inline,private,member,protected
This is another question about inlining a function. But I will take possible comments and answers right away: Defining a function inside a class makes it inline automatically. The same behaviour can be achieved by marking a function with inline outside of the class. An inline function doesn't have to...

What's the implication of protected keywords in class definition in Scala?

scala,class,generics,covariance,protected
I'm learning Scala by working the exercises from the book "Scala for the Impatient". One exercise asks that: The file Stack.scala contains the definition class Stack[+A] protected (protected val elems: List[A]) Explain the meaning of the protected keywords. Can someone help me understand this? protected obviously makes sense for member...

How do i change a variable of another class?

java,android,static,protected,non-static
I have a variable in the class "MainActivity" with the name modeNr, it is protected so it should be accessible from within the package, however whenever I try to alter it from a class in the same package it gives the error: "Non-static field 'modeNr' cannot be referenced from a...

Protected member conflict with overloading operator

c++,class,inheritance,protected
I have the following classes: class Base { protected: int myint; }; class Derived : public Base { public: bool operator==(Base &obj) { if(myint == obj.myint) return true; else return false; } }; But when I compile it, it gives the following errors: int Base::myint is protected within this context...

C++ create base class instance in derived class member functino when the base class constructor is protected

c++,constructor,protected,base,derived
Given the following code: class A { protected: A(){}; // compilation error public: void foo(){cout << "A\n";}; }; class B : public A { public: B() { }; void foo(){ cout << "B\n"; A A(); // OK A a1; // compilation error } }; If I changed the base class...

Java - Protected field not accessible from the subclass? [duplicate]

java,protected
This question already has an answer here: Understanding java's protected modifier 4 answers I am in process of learning the Java access modifiers. For that, I have created a class Machine: package udemy.beginner.interfaces; public class Machine { public String name; private int id; protected String description; String serialNumber; public...

trying to call protected function of parent class in child class in c++ [duplicate]

c++,inheritance,protected
This question already has an answer here: accessing a protected member of a base class in another subclass 6 answers I always thought that I understand inheritance, but obviously, I don't. I would like to call a protected member function of another instance of the same parent class from...

Google spreadsheet - Error when Remove range protection

javascript,google-apps-script,google-spreadsheet,protected,named-ranges
Here's my script, but I can't get it to work for some weird reason??!!! Driving me nuts. function removeThenSetProtection() { // Remove all range protections in the spreadsheet that the user has //permission to edit. var ss = SpreadsheetApp.getActive(); var protections = ss.getProtections(SpreadsheetApp.ProtectionType.SHEET); for (var i = 0; i <...

Protected member function address in derived class is not accessible

c++,inheritance,protected,member-function-pointers
#include <iostream> class A { protected: void foo() {} }; class B : public A { public: void bar() { std::cout << (&A::foo) << std::endl; } }; int main() { B b; b.bar(); } Here I am trying to get address of protected member function of base class. I am...

Template class hierarchy friend inheritance

c++,templates,protected
I'm tinkering with C++ and are facing the following problem: Given: class A { int aVar; public: A(){} virtual ~A(){}; }; template<class BASE> class B: public BASE { int bVar; public: B() : BASE() {} virtual ~B() {} }; template<class BASE> class C: public BASE{ int cVar; public: C() :...

Access Protected Members of a enclosing class [Nested Classes]

c++,class,nested,protected
I got the following code: class enclosing{ protected: int var1 = 2; int var2 = 4; public: class problem{ friend enclosing; public: void DoStuff(enclosing&e1){ int Sum = e1.var1 + e1.var2; } }i1; }e1; My question is, how do i access the protected member variables of the enclosing class? Is this...

Accessing protected member's public method

c++,protected
Say I have a class Permissions which has a public method change(). class Permissions { public: change() } I have another class File which has a protected Permissions data member and a public method getPermissions(). class File { protected: Permissions perm; public: Permissions getPermissions() { return perm; } const; }...

Incomplete pointer used in child class - Error: use of undefined type

c++,pointers,inheritance,protected,circular-dependency
Okay... I have understood this question about circular dependency and forward declaration, but I am having trouble understanding a particular error that involve inheritance and pointer-based variables. I will show snippets of the relevant code: Player is the derived class from Entity Entity.hpp class Entity : public sf::Sprite{ private: int...