Tip Bank

Question: I’m trying to make a calculator program using switch statements for +,-,* and /. I know how to handle and divide by zero error. I also have to use

Question: void foo(const int x) { // not altering x} Herb Sutter in Exceptional C++, pg.177 says, “const pass-by-value is unuseful and misleading at best.” I disagree, at a glance

Question: How do I make a method deprecated? Answer: Deprecating a method or entire class is as simple as using the “@deprecated javadoc” tag in its documentation. For example: /**

C++ inherited from C the global variable errno which indicates the success status of a previous operations. An errno value of 0 indicates that the previous operation was successful whereas

To avoid undesirable changes to an argument passed by reference, you pass it as a const parameter. For example: void f(const string & s); // f can’t change s However,

In a previous tip, I discussed techniques for treating a vector object as an array. The two main forms of obtaining the internal array’s address are: &*v.begin(); // obtain address

The value of an uninitialized automatic enum variable is indeterminate. Uninitialized global and static enum variables have a zero value by default. In this regard, enum variables are similar to

The operator % returns the remainder of dividing its two operands. For example: b=10%3; // b equals 1 Don’t confuse the modulus operator with the division operator: c=10/3; // division,

Question: Is it possible to make changes to the text on the tabs? Answer: Sure, with the tab you want to change selected, just click Form > Rename This Page.