Thoroughly Debug a Section of a Program Before Moving On to the Next One

Thoroughly Debug a Section of a Program Before Moving On to the Next One

This tip is very important. By proving to yourself that a section of code is correct, not only have you eliminated a possible area of error, but areas of the program that utilize this subsection can depend on itsproper functioning. This also utilizes a good rule of thumb—namely, that the difficulty of debugging a section of code is equal to the square of its length. Thus, debugging a 20-line block of code is four times harder than debugging a 10-line block of code. It therefore aids in the debugging process to focus on one small segment of code at a time. This is only a general rule; use it with discretion and judgment.