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In computer programming, an indirection (also called a reference) is a way of referring to something using a name, reference, or container instead of the value itself. The most common form of indirection is the act of manipulating a value through its memory address .
In indirect reference counting, it is necessary to keep track of the reference's source. This means that two references are kept to the object: a direct one which is used for invocations; and an indirect one which forms part of a diffusion tree, such as in the Dijkstra–Scholten algorithm, which allows a garbage collector to identify dead ...
Circular references also occur in spreadsheets when two cells require each other's result. For example, if the value in Cell A1 is to be obtained by adding 5 to the value in Cell B1, and the value in Cell B1 is to be obtained by adding 3 to the value in Cell A1, no values can be computed.
It specifies where it would be OK to add a line-break where a word is too long, or it is perceived that the browser will break a line at the wrong place. Whether the line actually breaks is then left up to the browser. The break will look like a space - see soft hyphen below when it would be more appropriate to break the word or line using a ...
(go to start of line) or. Ctrl+A (go to start of paragraph) Home: Ctrl+a or. Home ^ (go to first non-space) or 0 (go to column 0) Search+←: Go to end of line End or. Fn+→. ⌘ Cmd+→ (go to end of line) or. Ctrl+E (go to end of paragraph) End: Ctrl+e or. End $ Search+→: Go to start of document Ctrl+Home: ⌘ Cmd+↑: Ctrl+Home: Meta+< or ...
An indirect branch (also known as a computed jump, indirect jump and register-indirect jump) is a type of program control instruction present in some machine language instruction sets. Rather than specifying the address of the next instruction to execute , as in a direct branch , the argument specifies where the address is located.
Indirect self-reference describes an object referring to itself indirectly.. For example, define the function f such that f(x) = x(x). Any function passed as an argument to f is invoked with itself as an argument, and thus in any use of that argument is indirectly referring to itself.
For an object, semantics can confuse programmers since an object is always treated as a reference. Passing an object ByVal copies the reference; not the state of the object. The called procedure can modify the state of the object via its methods yet cannot modify the object reference of the actual parameter.