Need help with some questions

What's a method that will take an int array list and will take every even number in the list and insert the same number to the right of the initial number. e.g.: [1,2,3,4] would become... more

Simple Calculator

 Create a simple Java GUI application that will simulate the calculator. Numbers from 0-9 should be present and should perform a basic arithmetic operation such as Addition, Subtraction,... more

01/15/21

What is the acceleration of a 5kg mass being pushed with a 10N net force

options 1) 2m/s²2) 15m/s²3) 50m/s²4) 0.5m/s²

01/15/21

What is true about the net force acting on an object moving at a constant speed? *

1 net force is positive in the direction of motion2 net force is zero3 net force is positive against the direction of motion4 not enough information to solve

04/21/20

Find the average value of f(x)=e^2x over the interval [2, 4].

Find the average value of f(x)=e2x over the interval [2, 4].1463.18731.59 1517.78 23.60
C++

08/12/19

How do I output coloured text to a Linux terminal?

How do I print coloured characters to a Linux terminal that supports it? How do I tell whether the terminal supports colour codes?
C++

08/02/19

What are the barriers to understanding pointers and what can be done to overcome them?

Why are pointers such a leading factor of confusion for many new, and even old, college level students in C or C++? Are there any tools or thought processes that helped you understand how pointers... more
C++

07/23/19

Check if a string contains a string in C++?

I have a variable of type `std::string`. I want to check if it contains a certain `std::string`. How would I do that? Is there a function that returns true if the string is found, and false if it... more
C++

07/19/19

Why does the C++ STL not provide any "tree" containers?

Why does the C++ STL not provide any "tree" containers, and what's the best thing to use instead? I want to store a hierarchy of objects as a tree, rather than use a tree as a performance... more
C++

07/13/19

Is it safe to delete a NULL pointer?

Is it safe to delete a NULL pointer? And is it a good coding style?
C++

06/22/19

Meaning of 'const' last in a function declaration of a class?

What is the meaning of `const` in declarations like these? The `const` confuses me. class foobar { public: operator int () const; const char* foo() const; };
C++

06/09/19

What is a segmentation fault?

What is a segmentation fault? Is it different in C and C++? How are segmentation faults and dangling pointers related?
C++

05/06/19

What are the important topics in C++?

C++

03/19/19

What is runtime polymorphism in C++?

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