The variables tag has no wiki summary.
-3
votes
0answers
58 views
how to declare and initialze an integer variable [closed]
I want to declare some variables in MIPS(Assembly) and initialize them.I am parsing a C file.I initialize the variables like this:
.data
.text
.globl main
.align 2
a: .space 4
main:
...
8
votes
3answers
217 views
Is a single object to be preferred over multiple variables?
It was quite hard to put what I meant into a title, but it's easy to put into code.
C++
Is this
int offset_x = 10;
int offset_y = 40;
...
element.move(offset_x, offset_y);
To be preferred over ...
1
vote
5answers
233 views
Why do some programmers keep values in global variables or member variables but not reused?
I am talking about normal PC applications, memory should be sufficient.
They declare global or member variables.
In each function/method, they use the same global/member variables.
At the beginning ...
15
votes
10answers
2k views
How to write useful Java programs without using mutable variables
I was reading an article about functional programming where the writer states
(take 25 (squares-of (integers)))
Notice that it has no variables. Indeed, it has nothing more than three ...
59
votes
6answers
3k views
Should the variable be named Id or ID?
This is a bit pedantic, but I've seen some people use Id as in:
private int userId;
public int getUserId();
and others use:
private int userID;
public int getUserID();
Is one of these a better ...
7
votes
5answers
225 views
Programming principles with regard to software (computational) efficiency and the use of variables
I'm classically trained psychologist, not a programmer, so sometimes the more advanced aspects of programming escape me, in particular regarding program efficiency and/or certain best practices, in ...
38
votes
7answers
2k views
How to name a variable when the word is both a noun and a verb
I have run into a corner-case problem with the general guidance of:
nouns for variables
verbs for functions
Specifically, I have a case where the word is ambiguous - it can be either a verb or a ...
9
votes
7answers
790 views
Temporary variables vs line length requirements
I've been reading Martin Fowler's Refactoring. It is generally excellent but one of Fowler's recommendations seems to be causing a little trouble.
Fowler recommends that you replace temporary ...
4
votes
4answers
434 views
Stack and heap - dynamic allocation question
Sources usually mention that dynamically created variables are allocated on the heap, while functions' variables on the stack. Also the ones on the stack cease to exist automatically when e.g. the ...
5
votes
1answer
375 views
Do there exist programming languages where a variable can truly know its own name?
In PHP and Python one can iterate over the local variables and, if there is only once choice where the value matches, you could say that you know what the variable's name is, but this does not always ...
2
votes
1answer
230 views
Effective handling of variables in non-object oriented programming
What is the best method to use and share variables between functions in non object-oriented program languages?
Let's say that I use 10 parameters from DB, ID and 9 other values linked to it. I need ...
4
votes
3answers
530 views
Does it make a difference if I declare variables inside or outside a loop in Java? [duplicate]
Possible Duplicate:
Where do you declare variables? The top of a method or when you need them?
Does it make a difference if I declare variables inside or outside a loop in Java?
Is this
...
-3
votes
3answers
285 views
In what practical ways is it good to remember the memory/pointers model? [closed]
A variable refers to a value. A variable is also stored in a memory address. People say that it's good to have this memory model in mind. Is that true? What is some sample code that shows this as ...
5
votes
4answers
318 views
Method flags as arguments or as member variables?
I think the title "Method flags as arguments or as member variables?" may be suboptimal, but as I'm missing any better terminology atm., here goes:
I'm currently trying to get my head around the ...
85
votes
12answers
28k views
Why is Clean Code suggesting avoiding protected variables?
Clean Code suggests avoiding protected variables in the "Vertical Distance" section of the "Formatting" chapter:
Concepts that are closely related should be kept vertically close to each other. ...
