dereference

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Can someone explain "Dereference of a null pointer" warning

I\'ve written a couple of apps which work and seem bug free (ie, they don\'t crash...) but I get warnings for the code below (which I use a few times) -[详细]

2023-02-10 23:56 分类：问答
C++ Dereferencing char-Pointer (image array) is very slow

I have some trouble getting fast access to an unsigned character array. I want to actually copy a BGRABGRA....BGRABGRA.... linewise coded image array to the OpenCV-version which uses three layers. Th[详细]

2023-02-09 06:59 分类：问答
Combined dereference and decrement in C

I need as efficient a means as possible to shift the contents of an array.I need to shift the contents of each array location one to the right and ignore the first one, so that I can write a new value[详细]

2023-02-07 04:46 分类：问答
Dereferencing pointer C++

I just managed to write a global CBT hook in c++, usable with c#. It may sound stupid but my knowledge of pointers and dereferencing of those is very bad due to my work with c#.[详细]

2023-02-05 22:05 分类：问答
Looks like double type variables have no methods. Something wrong with Java or NetBeans?

According to Oracle I should be able to apply methods like .intValue() and .compareTo() to doubles but when I write dbl.toString() in NetBeans, for example, the IDE tells me that doubles can\'t be der[详细]

2023-02-01 11:57 分类：问答
c++ Possible null pointer dereference

I ran cppcheck over some code to look for possible runtime errors. And it is reporting a possible null pointer dereference with the following situation:[详细]

2023-01-31 08:10 分类：问答
In PHP, is it a problem to call a static class function using the -> dereferencer

I am using PHP 5.2 I have the following code: class MyClass { public function __construct() {} public static function stuff() {[详细]

2023-01-27 00:30 分类：问答
C structure pointer dereferencing speed

I have a question regarding the speed of pointer dereferencing. I have a structure like so: typedef struct _TD_RECT TD_RECT;[详细]

2023-01-20 23:18 分类：问答
How do I dereference based on size?

I am trying to print the value pointed to by an address but the problem is I need to dereference this pointer based on the size that is passed to me. So something of this sort:[详细]

2023-01-20 05:41 分类：问答
Is there a way to dereference a list in common lisp?

Is there a way to dereference a list in lisp? I am trying to comp开发者_Go百科are 2 strings but one is in a list.It sounds like you want car. If your second structure looks like \'(\"string\"), then[详细]

2023-01-16 03:50 分类：问答