parameter-passing

问题 I am trying to pass data from View to Controller Action Method using ajax as follows:- I have Membership instance of user which I passed in from another controller to this view below using viewbag somewhat like this ViewBag.MyUser = MyUser; Now I want to pass 'MyUser' to another Controller form this view using ajax as below. $('#Link').click(function () { $.ajax({ url: http://localhost/Account/Process, type: 'POST', data: '@ViewBag.MyUser', success: function () { }, error: function () { } });

问题 add_filter('wp_list_pages_excludes', 'gr_wp_list_pages_excludes'); function gr_wp_list_pages_excludes($exclude_array) { $id_array=$array('22'); $exclude_array=array_merge($id_array, $exclude_array); return $exclude_array; } I'm a newbie to wordpress. The above code works fine. But I need to pass additional argument, say $mu_cust_arg to the function gr_wp_list_pages_excludes. How can I make use of it via apply_filters, or any other methods? Any help is appreciated. Thanks in advance. 回答1:

问题 I have a trouble with references. Consider this code: void pseudo_increase(int a){a++;} int main(){ int a = 0; //.. pseudo_increase(a); //.. } Here, the value of variable a will not increase as a clone or copy of it is passed and not variable itself. Now let us consider an another example: void true_increase(int& a){a++;} int main(){ int a = 0; //.. true_increase(a); //.. } Here it is said value of a will increase - but why? When true_increase(a) is called, a copy of a will be passed. It will

问题 Is it possible to have an xml drawable with parameters? Suppose I have an xml drawable that I want to reuse for the rounded corners, gradients etc, and the only variable is a color or two. Is it possible to specify/pass parameters to an xml drawable? 回答1: Perhaps you can derive your own class from Drawable, have a constructor accepting the parameters you want to make adjustable and in the constructor first call createFromXML passing your xml and then setup those adjustable parameters. I didn

问题 The following code fails to compile : #include <iostream> template<typename F, typename ...Args> static auto wrap(F func, Args&&... args) { return func(std::forward<Args>(args)...); } void f1(int, char, double) { std::cout << "do nada1\n"; } void f2(int, char='a', double=0.) { std::cout << "do nada2\n"; } int main() { wrap(f1, 1, 'a', 2.); wrap(f2, 1, 'a'); } g++ -std=c++14 -O2 -Wall -pedantic -pthread main.cpp && ./a.out main.cpp: In instantiation of 'auto wrap(F, Args&& ...) [with F = void(

问题 How to pass variable from php to bat file and get back the result. I tried as follows <?php $input="layer"; echo shell_exec("F:\xampp\htdocs\flood_publish\123.bat",$input) ?> and how to access and use that variable in bat file.. 回答1: You can pass variables to bat files as arguments and the "$input" variable from your example contains the output of the bat file. So, if you want to pass a variable to a bat file and get the output back to the php, you should write something like this: $input=

问题 I have following need: [Run] ;run robocopy.exe source dest/OLD/[source_contents] /options Where: source must be specified by user on the destination machine (this can change according the physical platform) destination will be identical to the just user-defined source folder while the subpath OLD/[source_contents] will be automatically created by the robocopy input. I was thinking to use a "scripted-constant", but the problem is that I need to store some way the "source" prompted parameter

问题 I want to convert a column of UTC time to local time. My data looks like this: time_utc TZID timezone ------------------------------------------------ 2014-02-27 12:00:39.0 America/Toronto -5 2013-05-21 09:35:30.0 America/Goose_Bay -4 2015-01-08 06:58:58.0 America/Creston -7 I know that using select *, DATEADD(hour, 5,time_utc) from mytable will add 5 hours to column time_utc . However, as you can see, I have a variable time zone column. How can I pass this variable to the dateadd function? I

问题 in my app, I'm currently sending http requests from each viewcontroller. However, currently I'm implementing one class, that is supposed to have method for sending requests. My requests vary in number of parameters. For example, to get list of things for tableview I need to put category, subcategory, filter and 5 more parameters into request. This is what my request looks like now: NSMutableURLRequest *request = [[NSMutableURLRequest alloc]init]; [request setValue:verifString

问题 I am learning C++ template, and I write a little algorithm. Unfortunately I got some errors Here is my code #include <iostream> #include <iomanip> #include <deque> using namespace std; template<typename T, typename S, typename W> void push(const T& value, deque<S>& original_stack, deque<W>& min_index) { original_stack.push_back(value); if (min_index.size() == 0) min_index.push_back(0); else { if (value < original_stack[min_index.back()]) { min_index.push_back(original_stack.size() - 1); }