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