render

问题 I am trying to render a view in a modal but I can't figure out how to do this. I tried a workaround by creating a partial view but could not trigger a method in the home controller (on load form). I was wondering, is it possible to have a partial view triggering a method in the controller or should I changed it to a casual view (which I did not manage to show it)? view: @model IEnumerable<CharityProject.Models.UserInfos> @{ ViewData["Title"] = "SelectAddress"; Layout = "~/Views/Shared/_Layout

问题 I have a pretty simple composite component which toggles back and forth between two images when it is clicked. When I click it the first time, it works fine. Every time after that, nothing happens. The "toggleSingleSelect" is called, but the panel itself is not re-rendered. singleMultiSelectText.xhtml: <cc:interface componentType="singleMultiSelect"> </cc:interface> <cc:implementation> <h:panelGroup id="singleMultiSelectPanel" styleClass="field" layout="block"> <h:commandButton styleClass=

问题 I have a working search mechanism on my page; a form with a text field and 'search'-labelled submit button. I’ve also got an animated raphael.js-based item on my page, with clickable items on it that I want to result in an executed search. On click, I send to my controller params data intended to be search terms taken from the raphael objects. The data is being passed, and the controller code runs, but the corresponding view fails to render so the click appears to the user to do nothing. So

问题 I have never done a Qt video application - newbie in this area. I have a custom video file format to render using Qt. The video file format is 256-byte header, then pixel data, then 256-byte header, then pixel data and so on. The header consist info like width, height in pixels, bytes per pixels, frame rate etc and the pixel data is in Bayer (GBRG). I may have to process data before display - like convert to RGB (not sure yet). I see there are lot of video related classes like QGL*, QMovie,

问题 I have been looking into JTree and TreeCellRenderer. It seems in general, the application (with one JTree) has only one instance of TreeCellRenderer. The application makes multiple calls to TreeCellRenderer's getTreeCellRendererComponent method to decide how each TreeCell is drawn, and such call are made in many occasions (when a cell is selected, deselected, move over, when scrolling, etc.). Why did they decide to do that instead of having multiple instances of TreeCellRenderer, each

问题 I have been fighting with this for some hours now. I have a controller action that I want to render a page and then raise an exception automatically. I couldn't find much information on this that makes me think that I am looking for the wrong thing. Is something like the below possible? class UsersController < ActionController::Base def new # .. do stuff begin UserMailer::send_confirmation_link(@user) rescue StandardError => e render 'email_error' raise(e) end # .. other stuff end end In this

问题 I'm using a form in my rails application, in my controller at the end I check if the content of the form is ok or not, if not I render the page again explaining on top the errors part of controller if @insertion.save redirect_to @insertion else render 'new' end and in my view I've got this line to show the errors. <% if @insertion.errors.any? %> <div id="error_explanation"> <div class="alert alert-danger"> The form contains <%= pluralize(@insertion.errors.count, "error") %>. </div> <ul> <%

问题 I'm facing a problem that i've been fighting from a long time, but i still don't have an answer. I looked for it in tons of foruns and websites, but nothing really works. Anyone faced the same problem and solved it? The problem: I have a page with multiple divs on it, and each div is a page. Everytime i click on a button, one of the divs get visible and the others hidden. Here comes the problem: If i click multiple time on different links (to change the visible div), it stops rendering the

问题 I am trying to render a PDF file in my web page but using the bellow syntax I get a weird characters combination. render file: new File ("path/to/file.pdf"), fileName: 'myPdfFile.pdf' Does anyone knows what do I have to add more than the line above? Thanks 回答1: I don't think that Grails does this by default. Take a look at PDF rendering plugins . This looks to be the freshest, but make sure it's compatible with your Grails version. If You are using Grails 3, this could be the way to go. 回答2:

问题 I wrote a small Shiny application using renderUI . It ran correctly but the R console thrown out an error message Error in if (nchar(locus) == 12) { : argument is of length zero every time I ran this application. Here are my scripts. server.R: load("rapmsu.rda") convMSU <- function(locus="Os02g0677300") { if (nchar(locus)==12) { return(rapmsu[rapmsu$rap==locus,]) } else { return(NULL) } } convRap <- function(locus="LOC_Os03g57940") { if (nchar(locus)==14) { return(rapmsu[rapmsu$msu==locus,])