refcounting

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Simplest way to count instances of an object

I would like to know the exact number of instances of certain objects allocated at certain point 开发者_如何学Pythonof execution. Mostly for hunting possible memory leaks(I mostly use RAII, almost no[详细]

2023-03-28 23:58 分类：问答
Failing to Release after Multiple Nib loads

I am using a Nib as a template for several buttons.It seemed to work fine, they each have their own independent state.However when I went to release the buttons I would crash in the dealloc.Here is th[详细]

2023-03-05 00:20 分类：问答
(Ab)using shared_ptr as a reference counter

Recently i thought of a cunning plan(tm :P)) I have to update settings structure in my program(lets say every 15 seconds). Settings structure is used by multiple functions and every of those function[详细]

2023-02-26 14:03 分类：问答
Making a reference-counted object in D using RefCounted!(T)

How do you use std.typecons.RefCounted!(T) to make a reference-counted object in D? I\'ve tried to figure out what std.array.Array does internally by looking at the source, but while I can read the s[详细]

2023-02-03 08:27 分类：问答
Why did instruments report a leak while its ref count did become zero

green hand i am. I\'m using instruments, and it did a great help to me so far, but I\'m confused now \'cause it report a memory leak to me while its leaked block history shows me that the ref count of[详细]

2023-01-31 19:00 分类：问答
python refcounts

So Python Essential Reference, 4 ed. says: a = {} b = {} a[\'b\'] = b b[\'a\'] = a del a del b creates a memory leak, and the interpreter need a cycle detection algorithm to delete a and b.[详细]

2023-01-29 20:20 分类：问答
Why the refcount is 2 not 1?

$var = 1; debug_zval_dump($var); Output: 开发者_运维百科long(1) refcount(2) $var = 1; $var_dup = &$var;[详细]

2023-01-26 08:34 分类：问答
Objective-C Memory Handling (iPhone)

I can\'t say I really understand the memory handling in Objective-C so I have a couple of questions concerning that.[详细]

2022-12-22 02:42 分类：问答