Monday, November 30, 2009

My notes of c/c++

> DLL
dynamik link library
shared
if we use a resource of particular dll than only that dll will load
dll load through .load....???
exe file(executable file)
stand alone
to make it shared we should have to call external classes

> boxing unboxing
type of type casting
if we want to assign chage a value type to pointer this process is known as boxing
and a process to convert pointer type to value type is known as unboxing
EX...???

> managed and unmanaged code
managed code : we convert our code into msl and then through clr we convert it to executable form
unmanaged code : is depend on processor to processor
and directly convert to assembly lang

> XML low weight lang
not that much good for security purpose
basically used for internet or web based lang

> AJAX
asynchronus ...??
no need to upload full page
how much we need to update only that much we reupload....not full page
in our product we send a req to server through iframes and than it will update that much portion and give us to view thml

>xml parser check perticular tag and than from that fing out class and func name and load that particular dll

pointer and references :
pointer means that particular variable which contains address of other variable
while a refrenve means denote same address through diff name or alias