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What are the differences between a global variable and macro?
A global variable is a place of data storage which multiple modules of application (sometimes all modules) can access to read and modify the variable's content. A macro is something altogether different. A macro is a set of instructions, typically used to save keystrokes when coding, and to maintain code readability. While macros can reference, declare or use variables (including global variables), macros and variables are quite different and cannot be compared.
What is forward reference?
Forward reference is a terminology of coding standards. It is in which a variable is used before declaring it.
Translating an algorithm into a programming language is called?
Translating an algorithm into a programming language is called coding. A variable declaration tells the operating system to allocate storage space in RAM.
What does it mean when a variable is static?
A static variable is a variable that is allocated at compile time and that remains in memory for the entire duration the program remains in memory. Contrary to the misleading answer given below, static variables ARE variables, they are NOT constants; the value is initialised at compile time but can be modified at runtime whenever the variable is within scope. Static constants are also possible, but they must be explicitly marked constant -- otherwise they are implicitly variable.As with ordinary variables, the scope of a static variable is dependant upon where it is declared. This could be at global scope, file scope, function scope, namespace scope or class scope. However, the scope only determines the visibility of a static variable. The variable exists at all times even when not in scope so its value can persist across scopes, but the value can only be modified when the variable is currently in scope.Global scope means the static variable has external linkage and is accessible to all code with access to the definition. File scope limits visibility to the translation unit that defines it. Function scope limits visibility to the function that defines it. Namespace scope limits visibility to the namespace that defines it, but you can still gain external access via the scope resolution operator (::).Class scope is the most complex scope because as well as scope resolution, the variable is also subject to the class access specifier (public, protected and private) associated with it. However, another key difference is that static class member variables are scoped to the class itself, not to any instance of the class. Thus they are visible (if not accessible) even when no instances of the class exist.***************PREVIOUS ANSWER*********************A common misconception about and misuse of the static qualifier is:A static variable is program variable that does not vary... go figure.Static variables have the same value throughout run time. They can be changed at design time only.This is actually a better description of the const modifier.'static' is used in C programs to declare a variable that should exist throughout the lifetime of the program. When the program starts executing, all allocations are made for static variables. It has the added side-effect of making the variable not visible outside the scope of the module in which is declared. The explanation in the answer below this one describes this well.For more information specific to java see: http://mindprod.com/jgloss/static.html Answerstatic is an access qualifier that limits the scope but causes the variable to exist for the lifetime of the program. This means a static variable is one that is not seen outside the function in which it is declared but which remains until the program terminates. It also means that the value of the variable persists between successive calls to a function. The value of such a variable will remain and may be seen even after calls to a function. One more thing is that a declaration statement of such a variable inside a function will be executed only once.For usage try following: void fun() { static int fnvalue=0;//Executed once printf(" \n%d",fnvalue++);// Value changed retains for next call }this code behaves like a sequence generator.One more advantage of static variables is that, since they are created once and then exist for the life of the program, the address of the variable can be passed to modules and functions that aren't in the same C file for them to access the variable's contents. This has several advantages in programming.For further confusions or details write me: rupesh_joshi@sify.com,rupesh.joshi@gmail.comC++ and Java In Object-oriented languIages like C++ and Java, the static keyword has additional practical value. If you define a class-level variable as static, that variable is accessible whether there is an instance of the class or not. Furthermore, all instances of the class share the same single value. This is used in a number of ways.Sometimes you'll have a class where you want all the instances to share a single variable (EG a bus class where all buses in the system shared the same totalRiders variable.) Often you'll define constants as static final, because they are frequently used as parameters for the constructor of the class.Methods can also be static, which means they can be called without an instance of the class. Most often this is used to make a class act like an old-school function library. The Java Math class is a great example of this. You never instantiate the Math class, but all of its methods are static.A static member is almost always called with the class name rather than the instance name."static" in programming and databases means "constant--never changing". So, a static variable could be the "node name" or "database name". Once those are set, they cannot be changed.
Is CSS coding the same thing as HTML coding?
No it is not
What is the process for coding data in SPSS?
In SPSS (Statistical Package for the Social Sciences), coding data refers to assigning numerical values to different categories or variables for analysis. The process of coding data in SPSS typically involves the following steps: Open the SPSS software and load your dataset. Identify the variable to be coded. Create a new variable for coding Define the coding values Apply the coding Analyse the coded variable Remember to save your SPSS data file after coding the variables to ensure you don't lose any chances. If you are finding it difficult to code your data in the SPSS, I will suggest you get in touch with the professional writers of SilverLake Consult as their writers have years of experience in helping students by providing them with the perfect SPSS help.
What are the differences between a global variable and macro?
A global variable is a place of data storage which multiple modules of application (sometimes all modules) can access to read and modify the variable's content. A macro is something altogether different. A macro is a set of instructions, typically used to save keystrokes when coding, and to maintain code readability. While macros can reference, declare or use variables (including global variables), macros and variables are quite different and cannot be compared.
How do you use penguin storm 9's acvanced option?
The advanced part is not meant forinexperienced users. The variable section is used for variables, so you type in some coding basically and then you press the button and it will play your variable. But you need to know coding. The swf option is basically you type in the location of a swf on your computer and it will load it. This is meant for advanced hackers and coders. You should not use this if you do not know how to.
What is a dummy variable in Operations research?
There are various forms. In linear programming, a dummy variable may be used to convert an inequality into an equation. For example x < 10 can be written as x + u = 10 where u > 0. In this case, it is also called a slack variable. Dummy variables are used in regression to indicate the presence or absence of a factor, or for binary variables. For example, male/female could be coded numerically as 0/1 where, because the question is binary, the exact coding does not matter.
What is a coding manual?
Coding manuals, also known as programming standards manuals, are used to define the standards associated with programming in a particular environment. A coding manual will provide standards for: * Variable Naming * Subroutine/Function Naming * Comments * Nesting (e.g., how to reflect loops, if statements, etc.) * Structure (e.g., where global variables are defined, etc.) * Code Reviews and other standards that might be specific to a particular programming environment.
What is coding of swaping of two numbers without using third variable in c sharp?
// Arithmetic method a = a + b; b = a - b; a = a - b; // XOR method a = a ^ b; b = a ^ b; a = a ^ b;
What is forward reference?
Forward reference is a terminology of coding standards. It is in which a variable is used before declaring it.
What is the hidden meaning in r y s?
In the context of a coding or programming language, "r y s" could represent variables or placeholders for specific values or functions. Each letter could stand for a different variable or command within the code. Without more information or context, it is difficult to determine the exact hidden meaning of "r y s."
How to Create a Website Without Coding?
Check out our ready-made website templates with, inbuilt themes, and plugins. Create a website for your business without any coding
What do you mean by style of coding in software engineering?
The "coding style" of a programmer describes things like variable naming conventions and code layout. "Good" coding styles are those which allow other programmers to read your code and understand it easily; "bad" coding styles are those which do the opposite and make your source difficult to understand.
Is it possible to develop a website without coding If it is possible!Is it as good as the website developed by coding?
How digital marketing benefits your business?
What access attribute should instance variables have?
The basic coding standard is - all variables must be private and you must only expose them to the outside world through accessor/mutator methods. You must not keep them public.
