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Lincoln freed the slaves; Darwin freed the mind--which contribution was more noteworthy?
Started by Louis Wu on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at yahoo):
Any border states that did not secede were allowed to ... .
Read the Emancipation Proclamation clearly and it states that only those areas that were in rebellion against the Union were to free their slaves .
Lincoln did NOT actually free any slaves.
Darwin.
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Can accessing (for read only) memory freed cause an access violation, and, if so, under what circumstances?
Started by Sydius on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
If you're asking this because ....
For reading) memory that is known to OS as "empty", "freed" or inaccessible for some other reason in "Access Violation" since from the OS's/hardware's point of view this memory has not been really freed".
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Hi, I am using glib,
it has a lot of functions that return strings that should be freed myself.
Can I, pass these functions to other functions?
Example: function1 returns a string that must be freed for the caller. function2 returns a pointer to a string...
Started by drigoSkalWalker on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Every time that code runs, function1() will be allocating more memory that never gets freed.
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Very much related to my previous question , but I found this to be a separate issue and am unable to find a solid answer to this.
Is the memory used by a (character) array freed by going out of scope?
An example:
void method1() { char str[10]; // manipulate...
Started by pbean on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
But this has nothing to do with it being a "simple array of primitive types" - it would be freed if it was an array of structures....
If you didn't malloc it, you don't need to free it .
It is automatically freed.
Must be explicitly freed.
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Very general: Is there an easy way to tell which line of code last freed a block of memory when an access violation occurs?
Less general: My understanding of profilers is that they override the allocation and deallocation processes. If this is true, might...
Started by Sydius on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Perhaps if you....
I'm not aware of any profiler that tracks what you're looking for .
What profilers do is highly dependent on what they're profiling .
By overloading new/delete) to store this information.
No, not unless you provide your own allocators (e.g.
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When over freeing a pointer you may see an error such as
"pointer being freed was not allocated"
When debugging with the simulator, I add a build argument MallocStackLogging = YES - this allows me to use malloc_history in the terminal to track down where...
Started by adam on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Go to the....
To access these settings, select your executable from the Groups & Files pane in XCode, then Get Info .
I generally use NSZombie for such things, check this out
You need to set the MallocStackLogging env variables on the target executable.. .
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Is my UIViewController freed when i call another controller ? How to release memory of controller when i push to another controller ? i take more than 40Mo and application leave because of LOW MEMORY(No leak).
[self.navigationController pushViewController...
Started by Nicolas on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
What happens when the controllers on top pop off the navigation controller? What would the OS display then?
Instead you should implement the didReceiveMemoryWarning method in all your controllers... .
No, you can't dealloc UIViewControllers that are not visible.
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I thought I'd found the solution a while ago (see my blog ):
If you ever get the JavaScript (or should that be JScript) error "Can't execute code from a freed script" - try moving any meta tags in the head so that they're before your script tags.
...but...
Started by tjrobinson on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
(Not exactly the most helpful error message text in the world.)
It sounds like you've hit a bug/problem in the way some tags are handled... .
This error can occur in MSIE when a child window tries to communicate with a parent window which is no longer open .
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I know that you have to do it like this:
int * p; p = new int[10]; //use array delete [] p;
Now my question is: Since it's not explicitly stated, how is it possible that the correct amount of memory is freed? Do the OS keep track of the allocated memory...
Started by kahoon on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
When freeing memory, it takes the pointer that is freed, goes back a few bytes.
Address by a few bytes.
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Windows HeapFree, msvcrt free: do they cause the memory being freed to be paged-in? I am trying to estimate if not freeing memory at exit would speed up application shutdown significantly.
NOTE: This is a very specific technical question. It's not about...
Started by Constantin on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
If you have zillions of ....
Freeing a block may or may not touch the actual block in question, but it will certainly have to update other bookkeeping information in any case .
I'm almost certain the answer to the speed improvement question would be "yes" .
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