dynamic

问题 I am creating a dynamic layout in which I have 2 EditText and one Button. On click of a button a new same king of layout is created. I want , when I click on the button I should be able to get data from edittexts and store them and then add new layout.I am not able to get data from edittext , it is coming up blank. Below is my code . I am also adding screenshot of my layout @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R

问题 I am using JQGrid in Ruby on Rails that pulls data from a controller and that controller return data in json format. Below is my JQuery code <script type="text/javascript"> var list = null; $(document).ready(function(){ grid = $("#list"); grid.jqGrid({ datatype: "json", url:'/applications?'+new Date().getTime(), height: <%= JQGRID_HEIGHT %>, rowNum:<%= ROW_NUM %>, rowList:<%= ROW_LIST %>, viewrecords: true, autowidth:true, gridComplete: function() { initLytebox(); common.jqGridComplete($(this

问题 I'm developing live-table with WebForms . I'm adding such control to each TableCell in each TableRow, when I'm adding new rows to the table: // in some method, which creates the table TableRow row = new TableRow(); // here goes other cells with text data TableCell cellActions = new TableCell(); cellActions.ID = "offerActionsOfferId" + enumerator.Current.offerId; // init button View More for cell LinkButton buttonViewExpanded = new LinkButton(); buttonViewExpanded.ID =

问题 I have classes hierarchy such as ChildA extends Parent ChildB extends Parent ChildC extends Parent then in my application, I get in a method any of this child by Parent reference. The problem is all of these children have the same methods but their parent doesn't So, ChildA, ChildB, and ChildC all have getSomeValue() getter but Parent doesn't. Now I need to parse the value from any of this child, but Parent reference doesn't provide me with API so I need to cast Parent to specific children

问题 I've been doing ASP.NET a little bit (on and off) over the last year, but I've never come upon this challenge: I'm building a website right now which is quite simple, mostly based in HTML and Javascript. However, on one page, I need to read an XML file off the server, parse it, create HTML from values contained in the XML file, and output it as the response. I am going to use ASP.NET with C# for this. I understand how to parse the XML and generate the HTML code in C#, but how do I write the

问题 I'm making a list of items with v-for loop. I have some API data from server. items: [ { foo: 'something', number: 1 }, { foo: 'anything', number: 2 } ] and my template is: <div v-for(item,index) in items @click=toggleActive> {{ item.foo }} {{ item.number }} </div> JS: methods: { toggleActive() { // } } How can i toggle active class with :class={active : something} ? P.S I don't have boolean value in items 回答1: You can try to implement something like: <div v-for="(item, index) in items" v

问题 I am learning Asp.net mvc 4 at work and modifying an asp.net mvc 4 project. Currently, the connection to the database is set in the web.config of each project. The project uses entity framework which I am also still trying to understand (I come from a java Apache Wicket background). What I want to do is have a property file for each environment(local, dev, test, production, etc..) and configure the connectionstring from the property file to use the database connection information affiliated

问题 I'm building an MVVM application in WPF and I am binding a Menu to a MenuItem model. My MenuItem class has these properties : public class MenuItem { private List<MenuItem> _Items; public MenuItem(string header, ICommand command) { Header = header; Command = command; } public MenuItem() { } public string Header { get; set; } public List<MenuItem> Items { get { return _Items ?? (_Items = new List<MenuItem>()); } set { _Items = value; } } public ICommand Command { get; set; } public string

问题 Helo! I would like to prepare a dynamic virtual host for all subdomains that will be created in future using mod_rewrite. All subdomains would be configured prety much same way, so i thought of using dynamic VH configuration. I want my document root for each subdomain to be /home/user/public_html/subdomainName. I've tried with following configuration, but had no success: <VirtualHost xxx.xxx.xxx.xxx:80> # get the server name from the Host: header UseCanonicalName Off <Directory /home/user

问题 I have an expression like: Expression<Func<TheObject, int, bool>> myExpression = (myObj, theType) => { myObj.Prop > theType }; I need to dynamically rebuild myExpression to a new expression of type Expression<Func<TheObject, bool>> and replace “theType” parameter from the first expression with a concrete value 123 like: Expression<Func<TheObject, bool>> myNewExpression = myObj => { myObj.Prop > 123 }; How can I do that? Br Philip 回答1: With a simple expression replacer it is quite easy: This