Taner Şenyurt

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Polymorphism (Overloading)

May19

Polymorphism { Overloading } means simply, same methods makes different jobs in different objects.Like how ?
Let’s say we are writing java code and we are using JCheckBox ,JTextField and JButton components.When we try to use setText method for all of them the response suppose to be same,but checkbox writes the text near to checkbox icon ,textfield writes to text into itself and button object writes to text on the button.It shows us the polymorphism because same method worked different for different object.This property called polymorphism or overloading.
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Difference between C++ Class and C struct

May14

C struct and C++ class structure is similar but by the default they have a difference in data hiding.
In struct doesn’t provide data hiding by default but class provides data hiding by default.
And the other difference is, class provides us to polymorphism and inheritance features.
We said class structure data hiding is coming default but what it means?
It means when we have a struct it is public by default so we can access our struct model wherever are we

  1. struct car{
  2. static int *model;
  3. int *horsePower;
  4. string *producer;
  5. }
  6. car myCar;

By myCar i can access my model,horsePower or producer because it works like public variable but same structure with class
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posted under C & C++, Programming | Comments Off

Ubuntu Volume Wheel Problem [ Fix ]

March29

I have a toshiba u305-s5077 laptop.It had a problem with volume wheel like when i tried to use volume wheel it makes the volume iteratively maximize or minimize(And it has no end).While it is happening i cant write anything or i cant click something.That’s why i had to restart X screen with CTRL+ALT+BACKSPACE.

I search the internet and i found a solution for it.
At first if it won’t work if you don’t want to kill X screen at least you can use this;
Change your status to text mode via using CTRL+ALT+ {F1-F2-F3-F4-F5-F6}.Then turn back X Screen with ALT+F7.

Lets make it works:
Firstly lets create a backup if it wont work or if something goes wrong we can handle it.
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