dereference

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Terminology question on "dereferencing"?

In PHP, the following code is valid $a=array(0);$a[0]; but that one is invalid: array(0)[0] 开发者_高级运维[详细]

2023-03-22 15:47 分类：问答
Dereferencing Perl hashrefs

Using Text::Ngram I have my $c = ngram_counts($text, 3); my %ct = %($c); which doesn\'t work (Scalar found where operator expected).I think this is a combination of not knowing what I\'m doing (sti[详细]

2023-03-22 13:09 分类：问答
What is implicit dereference in C++

What exactly does implicit dereference in C++ mean? Does it mean when I pass a reference to variable into a function parameter 开发者_C百科I don\'t need the & in front of it to use its value?I ass[详细]

2023-03-18 08:40 分类：问答
Difference between object->function() and object.function() in C++

Can anyone explain the different 开发者_运维知识库between doing something like: a->height();[详细]

2023-03-11 01:36 分类：问答
I can't seem to dereference an array correctly

I\'m not very adept at Perl, but I need to be able to do a s开发者_如何学Pythonort on a multi-dimension array. I\'ve been playing with some test code to try and get a better grasp on the concept, and[详细]

2023-03-08 02:14 分类：问答
Compiler does not warn when dereferencing nullptr

This: 开发者_如何学JAVAint* p = nullptr; auto tmp = *p; doesn\'t cause neither gcc 4.6 nor VS2010 sp1 to issue at least a warning. Is there any option in any of those compilers to make them issue a[详细]

2023-03-03 15:27 分类：问答
Would these C-pointer operations cause problems?

Let\'s say I\'ve got that: char *p = NULL; I\'m sure this one would b开发者_运维知识库e a problem as I\'d be dereferencing a NULL pointer:[详细]

2023-03-03 07:23 分类：问答
Oracle PL/SQL: How to DEREF from a VARRAY of REFs?

I\'m new to Oracle Objects and I have a problem. I don\'t know how to dereference an item from a VARRAY of REFs. Below is some source code that reproduces the problem that I have.[详细]

2023-03-02 13:36 分类：问答
another "dereferencing point to incomplete type" question

i checked and didnt find any material which can help me so i had to ask. this is the code: list.h: typedef struct List_t *List;[详细]

2023-03-01 05:35 分类：问答
C++: How do I dereference multiple characters from a character pointer in memory using the namelength

Here is the code: errorLog.OutputSuccess(\"Filename reference: %c\", *t_current_node->filename); It of course only outputs the first character. If I add something like ->filename[nameLen] whe[详细]

2023-03-01 00:22 分类：问答