refresh

问题 I am developing small app where I am calling webpage. I override WebViewClient as I wants to open webpage in same view. My problem is if there is any problem occur(Internet connection breaks or server is disconnected) then I am showing custom error page. But when Internet is connected it shows same error page, not refreshed web page. Here is my code: WebView questionweb; String questionurl; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

问题 I need to refresh a view controller when a certain button is tapped. Simply activating viewDidLoad() does not seem to be working for what I need to do. However, when I leave the view controller then come back to it, it seems to work perfectly? How can I refresh/reload a view controller as if I have left it then come back to it without ever actually leaving it? 回答1: Whatever code you are writing in viewDidLoad , Add that in viewWillappear() . This will solve your problem. 回答2: You shouldn't

问题 I have a collection that can potentially contain thousands of models. I have a view that displays a table with 50 rows for each page. Now I want to be able to cache my data so that when a user loads page 1 of the table and then clicks page 2, the data for page 1 (rows #01-50) will be cached so that when the user clicks page 1 again, backbone won't have to fetch it again. Also, I want my collection to be able to refresh updated data from the server without performing a RESET, since RESET will

问题 I have .aspx page that page inserts the data to the database on a button click. But when i press the button it is going right. i m getting the Successfully message as " successfully inserted data". In this situation if i press "F5" or Refresh the page it is firing the button click event. Why it should be ? How to avoid this condition ? 回答1: When the user clicks F5 (or uses a toolbar button to refresh the page) it will cause a new request, identical to the previous one, to be sent to the

问题 I'm reading data from 9 different sensors for my robot and I need to display them all steadily, in the same window so I can compare the values and see if any of the readings is off. The problem I'm having with both Serial.print and lcd.print is that the values are constantly moving and I can't really have a good look at them while moving the robot. I was thinking to call something like Serial.clear() before displaying anything else and that would just keep things steady and in one place,

问题 Since I've finally got an answer for this question: Can you send a signal to windows explorer to make it refresh the systray icons, that asks about getting rid of dead systray icons, I would like to ask for the opposite. Is there a way to "nudge" an application to re-show it's systray icon if it has been lost? It happens to my Apache Monitor ever since I install Avira AV. Ok, granted, it could only be a side effect, but it's quite annoying to have the running app killed an then restart it,

问题 Hello I have often experienced while developing my web applications that pressing F5 or refresh doesn't produce or refresh the proper result. But when we hit CTRL + F5 it generates the correct result. What is the basic difference between simple F5 and CTRL + F5 ? I have often also experienced that pressing simple F5 and pressing the refresh button on browser also generate different results. Can any body tell me what is the basic difference among all these requests. 回答1: CTRL + F5 Reloads the

问题 I have a flash banner on every page in my site. I want it to continue playing rather than reloading when users change pages. Ive read that this can be achieved using flashvars, however, its been quite some time since I did any actionscripting. I've tried looking up tutorials to no avail. Can someone point me in the right direction please. UPDATED Thanks for your comments. I have this on frame 1 of my fla file now: var mySharedObject:SharedObject = SharedObject.getLocal("displayCookie"); if

问题 I want to delete an item from Listview, and at a time Refresh Listview after deleting an item. How to possible? I am using get all item using JSON Parsing from database and delete an selected an item on click of button. delete successfully from database but Listview not refresh at a time. how to do? I am using Json Parsing. not local database. In This case, How to refresh Listview when Deleting Item? please Guide me. Thanks in Advance. My Code is, Detail.java File public class Detail extends

问题 I am using WebBrowser control in my project. And i noticed that if the user press right click -> Refresh the Navigating LoadCompleted not called. And another strange thing is that after i press the refresh and click another link in the webbrowser the LoadCompleted not called too. This is how i navigate the page in the start : nrowser.Navigate(MYPAGE); Any idea what can be the problem? Can i fix it with JavaScript ? 回答1: You can handle a refresh and differentiate it from navigation. With a