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I'm reading The C Book to try and get a better foundation in C. While I think I'm generally getting the concept of pointers, one thing sticks out to me is that it seems like it's generalizing whatever it's pointing to into a global variable (e.g. the ...
Started by Kaji on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
Secondly, passing functions modify the global....
You can have pointers to both global and local variables be to use scanf() if it always saved its results into the same global variables.
Completely different concepts.
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I wonder where constant variables are stored. In the same memory area as global variables? Or on the stack?
Started by tsubasa on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at stackoverflow):
Usually they are stored in read-only data section (while global variables' section has the global ....
global and static variables
Note that the difference b/w BSS and data segment is that the former section.
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I was curious what is the scope of variables declared inside a class constructor which are not data members of that class?
For example, if a constructor needs an iterating int i, will this variable be destroyed after the constructor finishes, or is it...
Started by Tony R on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
They do not become 'global that it is a constructor makes no difference whatsoever): an object with automatic storage duration is destroyedVariables....
variables, regardless of the function, are destroyed when they go out of scope.
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Can someone explain the difference between a static and const variable?
Started by jaimin on
, 10 posts
by 10 people.
Answer Snippets (Read the full thread at stackoverflow):
Static variables in the context of a class are shared between all variables however ....
Check out this site.
Constants can't be changed, static variables have more to do with how they are allocated and where they are accessible.
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What do you use to denote a member variable in a class?
The most common time this is a problem is when you have a parameter passed into a constructor to set a member variable. Here is an example:
public MyClass(string name) { name = name; // arghh!! }...
Started by John Sonmez on
, 22 posts
by 22 people.
Answer Snippets (Read the full thread at stackoverflow):
Of reminding you that it is a member variable though, which can mean the difference between your code working, not automatic properties), and I need to use the backing field for some reason I always precede , I use the prefixes "....
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I have a function that needs quite some internal temporary storage for its computations (some matrix operations) and I know that this function will be called frequently (say every millisecond throughout the runtime of the program). My gut feeling tells...
Answer Snippets (Read the full thread at stackoverflow):
In the case of a static array, the memory is reserved... .
There's no code needed to "create" an uninitialised array.
Where to return to etc.)
Reserving space for variables with automatic storage duration means justThere's no difference.
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What does it mean if a task is declared with the automatic keyword in Verilog?
task automatic do_things; input [31:0] number_of_things; reg [31:0] tmp_thing; begin // ... end endtask;
Note: This question is mostly because I'm curious if there are any ...
Started by cdleary on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
The term itself is stolen from software languages -- for example, C has the "auto" keyword... .
The "automatic" keyword also allows you to write recursive functions (since verilog 2001, do verilog!
"automatic" does in fact mean "re-entrant".
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In my browsings amongst the Internet, I came across this post , which includes this
"(Well written) C++ goes to great lengths to make stack automatic objects work "just like" primitives, as reflected in Stroustrup's advice to "do as the ints do". This...
Started by Mike on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
When you declare a variable); // onto the heap
This makes....
Stack automatic are variables whichVariables in C++ can either be declared on the stack or the heap.
Will not be destroyed until delete is explicitly called on the object .
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To make SMC more stable it is very helpful to automatically generate and send crash reports.
Generating crash report manually and manually submitting it into bug tracker is very complicated procedure for most of the users. And even these how can make ...
Started by Oleg on
, 8 posts
by 4 people.
Answer Snippets (Read the full thread at secretmaryo):
For NULL you need to see a local and global variables, search in heap, switch between threads and do
The difference between my and Firefox systems for you is that to integrate with my system you need add.
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Hi I am a newbie, can any body explain What is the difference between C++ and Java?
Started by dev on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at devftp):
Java does.
In C++ programmer has to taken care of memory management, while Java has the power of automatic garbage collection.
Classes therefore Java does not have global variables or functions.
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