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Frequently Asked Questions

How do I access the global variables?

NSERC/Alberta Construction Industry Research Chair || Simpho...
They are accessed by SimEnvironment followed by the variable name, like this... SimEnvironment.SimTime SimEnvironment.Elements SimEnvironment.Sampler SimEnvironment.Gattr

Why are there no GLOBAL or EXTERNAL variables?

IEC 1499 FAQ
All variables are encapsulated. There is no guarantee that there will be an implicit global distribution mechanism available. When such mechanisms are available, they can always be mapped to service interface function blocks.

What's the best way to declare and define global variables?

Infrequently Asked Questions in comp.lang.c
In headers; this way, you can get link errors when you include the same header twice. Generally, you will have to define a variable everywhere you want to use it, and then declare it someplace so you know what it is. [a]

How do I access variables in external program space on PICC18 ?

HI-TECH Software Frequently Asked Questions
How do I access variables in external program space on PICC18 ? A. The far type qualifier is used to place variables of permanent duration into external program space of the PIC18 for those devices which can support additional memory. Variables of permanent duration are defined as global or static variables. Accesses to far variables are less efficient than accesses to internal variables and extensive accesses to these variables will result in larger code sizes.

What is so horrible about global variables?

Frequently Asked Questions
Of course, globals are sometimes very necessary, but they are also easy to overuse. The good programming practice is to keep the scope of each identifier as small as possible. But, in addition to conventional programming theory, there are some extra reasons against globals which are related particularly to programming on TI calculators. First, every global variable is translated to the absolute addressing mode.

Global variables are not under your control???

unchecked exceptions are like runtime type checking? | Lambd...
If you are going to depend on global variables for your code then you had better make sure that it is initialise and not depend on someone else doing it for you. If it is local then not giving it a initial value and depending on the system to do it for you is courting danger. For support purposes, unitialised variables are a nightmare to handle and are a blight on the code.

Do I have to turn Global Variables ON on my php server ?

e z B O O . c o m
If the hour graph is there but empty, this is because you have unchecked the check box hours per day in the config. That is a normal behavior ! The fields have been introduced in log table for future release compatibilty.

How do I use global variables in my REXX programs?

FAQs
The scope of variables is controlled by the PROCEDURE instruction. If a routine is declared with the PROCEDURE instruction, only those variables exposed using the EXPOSE instruction are available to the routine.If no PROCEDURE instruction is used, all of the caller's variables are available to the callee. Use the PROCEDURE instruction to keep variables local to a procedure, using EXPOSE to explicitly expose any "global" variables.

Can global variables be used in open statements?

Answers to Questions
Yes. The "equate" verb tells Unibase to declare a variable ("variable") so that every time it appears in this program, it is read as the source. It can also be used for constants in the program. For instance, it is useful for equating names to field numbers or foreign names to Unibase verbs.

Name a few system global variables you can use in ABAP programs?

SAP ABAP interview questions
It is a standard data type object, which exists only during the runtime of the program. They are used to perform table calculations on subsets of database tables and for re-organizing the contents of database tables according to users need.

Is there a way to access environment variables?

scheme-faq-programming
However, SLIB provides getenv. Particular implementations may provide functions, e.g. Guile provides getenv.

How do I access the variables that I put in my WildPresenter SWF?

Flash Presentation, Video & Animation Software | Wildfor...
WildPresenter stores any variables you input in the Project Settings window>Flash SWF tab on the first frame of the WildPresenter SWF output. In Flash, from the menu select: Debug->List Variables. The variables will appear in the "Output" window. If you load your WildPresenter SWF into a larger Flash movie with the Load Movie command, you may access your variables the same way you would any variable in a movie clip.

How can I find out what variables are in the RIFs?

Medicare Frequently Asked Questions (FAQ)
To learn about the variables in each of the RIFs, we recommend viewing the record layouts available on the ResDAC web site

What are float variables, anyway?

Infrequently Asked Questions in comp.lang.c
The term ''float variable'' is actually redundant; they are simply variables whose value can ''float'' during execution. For instance: float f, g = 3; f = g; /* f ''floats'' to g */

What's the best way to declare and define global variables and functions?

Declarations and Initializations
First, though there can be many declarations (and in many translation units) of a single global variable or function, there must be exactly one definition. [footnote] For global variables, the definition is the declaration that actually allocates space, and provides an initialization value, if any. For functions, the definition is the ''declaration'' that provides the function body.

I have trouble managing the stack. Should I use global VARIABLEs?

comp.lang.forth Frequently Asked Questions (1/6): General/Mi...
Keep on trying to use the stack. Reorganize (refactor) your words. One day you will get the knack for it. Elizabeth Rather writes: The basic skill required for comfortable, efficient Forth programming is good stack management. It's hard for newcomers to learn, since it isn't a skill required in other languages, which all require the use of variables for practically everything.

How can I have large global variables that don't take up space in my program file?

Frequently Asked Questions
Declare a pointer initialized to NULL, then at the beginning allocate the buffer with malloc. For example, do this: #include <tigcclib.h> ... void *buff; // Buffer pointer ... void _main(void) { ... buff = malloc (LCD_SIZE); // Alloc buffer, make "buff" point to it if (!buff) ... // Do some error handling (no memory) LCD_save (buff); ... LCD_restore (buff); free (buff); }

How do I get access to the Global Marketplace?

ArtBoomer.com - FAQ
A valid User Id and Password is required for viewing detailed information e.g. Contact Information of the buyer or seller. Please register to use your user id and password. If you are registered as an ArtBoomer user, your can use the same User Id and Password in the Global Marketplace. A separate User Id and Password Registration process is not required for access to the Global Marketplace.
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