Concepts of Object-Oriented Programming | |
Object Oriented JavaScript In this chapter you ll learn about OOP Object Oriented Programming and how it relates to JavaScript As an ASP NET developer you probably have some experience working with objects and you may even be familiar with concepts such as inheritance However unless you re already a |
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What is the use of truncate command? | |
Truncate command will delete all records and the most important thing to make note of truncate command is since truncate command cannot be rolled back one must make sure to take proper backup of table data before performing the truncate command. Truncate command is thus used to remove all rows from |
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printf() Function Return Value | |
What is the return value from printf() function?
printf function always returns the number of characters printed. Let us understand this with an example:
main()
{
int a=10;
printf("%d",printf("%d %d %d", a,a,a));
}
In this above program the inner printf i |
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What is the default return value of a function? | |
The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function.
When a programmer wants other than integer values to be returned from function then it is essential that the pro |
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How to define command line arguments | |
The main functions can have arguments passed which are called as command line arguments. There are two command line arguments:
Argument count denoted by argc and
Argument vector denoted by argv
The argc is an integer variable which denotes the number of parameters passed and argv is pointer to a |
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exit and return statements | |
How does the exit () and return () differ
exit () is used to exit the program as a whole. In other words it returns control to the operating system.
After exit () all memory and temporary storage areas are all flushed out and control goes out of program. In contrast, the return () stateme |
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SQL Programming | |
SQL Programming Overview
Anybody who has done something for a long time has probably wanted to change how things work at some point or another. A worker at a mill might have found a more efficient way of cutting logs, or a mathematics teacher might have had a hand in changing a school’s al |
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System Implementation | |
In the previous articles relating to SDLC Stages we discussed about Project Planning and Feasibility Study moved on to System Analysis and Requirements which lead to Systems Design.
Systems Design will naturally lead to another stage where it becomes closer to the actual deployment of the p |
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System Analysis and Requirements | |
In the previous chapter, we’ve discussed about project planning and feasibility study. That stage was important because it tries to establish a problem in our highly technological world. As our understanding on what we can do in computers evolve and so are the things that we need to make t |
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