I have this line in my create action @comment = @video.comments.new(params[:comment]) A comment also belongs to the user who creates it. How can I assign it to the current_user? Where does it fit i
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I am writing a program which has one process reading and writing to a shared memory and another process only reading it. In the shared memory there is a struct like this:
I can\'t figure out how to tell C that I want a pointer开发者_如何学JAVA that will not move. It will always point to the same array. That said, the array members are not constant, but the array itself
Is there an equivalent in DrRacket to set-car! a开发者_开发知识库nd set-cdr! in SICP?If you want to go through SICP with Racket, you should use Neil\'s package that makes it easier -- you\'d get a lan
I heard that when there is a pointer in a class, there should always be copy constructor and = operator override 开发者_开发问答in C++. I have searched about it and didn\'t found the explanation about
orig_file = PRC_19_000011061354_01147_20110323.gz $( print $orig_file | cut -d\"_\" -f4 ) I need the answer开发者_如何学Go as 01147 which is the fourth field...Drop the spaces around = in
#include <stdio.h> #include <stdlib.h> int main(){ char *str=\"abcdce\"; char c=\'c\'; char *pfast=str,*pslow=str;
I want to populate an array $pageWidgets in my views so I can control what widgets appear in my sidebar and with what information in my layout but from my view. My only problem is that the layout seem
if I have two integer variables with allocated memory and value a and b, which 开发者_StackOverflow中文版is the more time consuming (time of execution by the processor) operation: comparison (a == b)
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