Explain the COM components
Explain the COM components?
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It evolved as this while u write a CLASS to reuse within a application, numerous instances of the class exists along with each instance of application, subsequently u want to ignore it to make a class and put this in DLL now only one example exists though numerous instances of applications exists Application requires to be recompiled while DLL is modified, therefore came COM.
COM is independent component which internally handles networking and resources COM utilizes IDL to communicate to various languages.
Behavior: It is the methods of a class which implement its behavior. A particular object's behavior is a mixture of the method definitions of its class and the present state of the object.
Out of scope: It is a variable is in scope as long as the program's flow of control is in the variable's defining block. Or else, this is out of scope.
What do you mean by the term source and listener?
Mention the different states of the XMLHttpRequest an dalso describe their functions.
Uninitialized variable: It is a local variable which been declared, however has had no value allocated to it. The compiler will warn of variables that are employed before being initialized.
Normal 0 false false
Tell me about the System Architecture for Windows Programming?
Leverage Model-Based Design: Model-based design provides useful hints of how a large system can be reduced so that its state space becomes searchable. If not inherently visible in the design (for example, by means of using a “State” design
Big-endian: This is a common difference among machines, the order in which they store individual bytes of multi-byte numerical data. Big-endian machine stores the higher-order bytes previous to the lower-order bytes.
Edit-compile-run cycle: A common portion of the program development procedure. The source file is made initially and compiled. The syntax errors should be corrected in the editor before compiling it again. Once the program has been productively compil
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