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In Visual Basic (and Visual Basic for Applications) the Variant data type is a tagged union that can be used to represent any other data type (for example, integer, floating-point, single- and double-precision, object, etc.) except fixed-length string type. In Visual Basic, any variable not declared explicitly or the type of which is not ...
This is an unusual tactic that has some additional benefits. First it means that there is no need to declare functions before they are used, for example in C++ two functions may call one another, like void Foo (){Bar ();} and void Bar (){Bar ();}. In this situation, the Bar needs to be prototyped in order for the Foo() to call it. TScript's run ...
C does not provide direct support to exception handling: it is the programmer's responsibility to prevent errors in the first place and test return values from the functions.
Common examples are the use of reserved values, where, for example, a function returning a positive number may return -1 to indicate failure, and sentinel values, most often used in tagged pointers. Sometimes, untagged unions are used to perform bit-level conversions between types, called reinterpret casts in C++.
direct.h is a C/C++ header file provided by Microsoft Windows, which contains functions for manipulating file system directories. Some POSIX functions that do similar things are in unistd.h . Member functions
In computer programming, bounds checking is any method of detecting whether a variable is within some bounds before it is used. It is usually used to ensure that a number fits into a given type (range checking), or that a variable being used as an array index is within the bounds of the array (index checking).
The “Yellowstone” prequel “1923” is branching out into new territory. Starting this December, new and existing “1923” viewers will have a another way to watch the series when it hits ...
1.1 Common C++ compilation errors. ... In function `int main()': ... Example of an internal compiler error: somefile.c:1001: internal compiler error: Segmentation ...