controller

问题 I am working on a webapp that contains the basic elements of a CMS webapp. Users can clone the repo, run the rails server, and be taken to a page that allows them to rename the app from the current name, "framework", to whatever they want. After a bit of debate here, I decided to put the renaming code into my controller (as opposed to in a rake file). But my problem is that my controller has trouble figuring out what's going on. This is what my view looks like. <h1>Rails Framework</h1> <%=

问题 I am trying to post these coordinates from the metadata of the image i upload with paperclip to another table called places."so coordinates go to places table." There are columns latitude and longitude in the places table. After submitting the post i run into this error. The highlighted portion of the error is self.latitude=parse_latlong(etc....). post_id is a foreign key in the places table. This worked previously when i had latitude and longitude in the post table. but now i gave it its own

问题 I have created a helper in cakephp and defined a global variable in AppController.php file. AppController.php public $testVar = null; I want to use this variable in my helper file. How can do this? 回答1: You can't use that variable in a helper but you can either In AppController, put the variable in the session: Session::write('currentUser', $this->currentUser ). You can then access it in the Helper using the SessionHelper: $this->Session->read('currentUser') Pass the variable to the view

问题 How is it possible to override the constructor for UINavigationController for passing in a rootViewController? I would have a method like the following in Objective-C: -(id)initWithRootViewController:(UIViewController*)rootViewController { UIViewController *fakeController = [[[UIViewController alloc] init] autorelease]; if (self = [super initWithRootViewController:fakeController]) { self.fakeRootViewController = fakeController; rootViewController.navigationItem.hidesBackButton = YES; [self

问题 how can i display only "Welcome to my 3rd Blog!" of "blogvieww.php" in "blogview.php" using codegniter. But the below code what i tried with is that, even "Welcome to my 2nd Blog!" of "blogvieww.php" is getting displayed in "blogview.php". actually i just want to display only "Welcome to my 3rd Blog!", how to do this can any one tel me please im not getting where im going wrong. Blogcontroller.php(controller file) <?php defined('BASEPATH') OR exit('No direct script access allowed'); class

问题 I am trying to start on Symfony2 but ran into a problem right away following the Symfony 2 "the book" part "Creating pages in Symfony 2": I did this: Created the bundle php app/console init:bundle "Acme\StudyBundle" src * Added the namespace in app/autoload.php * $loader->registerNamespaces(array( 'Acme' => __DIR__.'/../src', )); Initialized the bundle // app/AppKernel.php public function registerBundles() { $bundles = array( // ... new Acme\StudyBundle\AcmeStudyBundle(), ); // ... return

问题 I'm having the strangest problem and I don't know how to fix it. My models have a polymorphic activity model associated with them that creates activities when a user creates a status, media, etc. Everything's working fine on my local build and even on my forked heroku app. But when I delete an item on my main app, it doesn't delete the corresponding activity. It only happens on the main app, both my local build and forked app delete the activity as expected. They're all using the same code. I

问题 I am currently trying to include a form onto my homepage where the user can leave a comment and then include the output of that form below so visitors can see all the messages. I am currently getting the following error when i submit a comment: Symfony \ Component \ HttpKernel \ Exception \ MethodNotAllowedHttpException Here is the controller: <?php use Desk\Forms\MessageForm; use Desk\Records\MessageRecord; use Desk\Repositories\MessageRepository; class MessageController extends

问题 I'm trying to find the step response of the system below in picture and I need to find settling time, overshoot and static error of output. How can I find them? Is what I programmed correct? Matlab code : A=[0,1,0,0;0,-42.44,212.24,0;0,0,0,1;0,0,0,-42.44]; B=[0;106.12;0;78.6]; C=[1,0,0,0;0,1,0,0;0,0,1,0;0,0,0,1]; D=0; sys = ss(A, B, C, D) t=0:0.1:10; figure; step(sys,t,'r') The system 来源： https://stackoverflow.com/questions/56327093/set-a-requirement-for-step-response-like-settling-time

问题 My boss told me make dry navigation dont use repetitive code, for navigation i am trying to extend CI_Controler and with construct load header nav, body, footer files. My question is when i create new controller and when i try to load different view files, how to achive that??? my extended controler class MY_Controller extends CI_Controller { public function __construct() { parent::__construct(); $this->load->view('view_header'); $this->load->view('includes/nav_home'); $this->load->view('view