load | 易学教程

PreLoad UIWebView on a not yet displayed UIViewController

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问题 I have an app where on the very last UIViewController there is a UIWebView... the user navigates through the app and at the very end they can transition (modal) to the final UIViewController with a UIWebView... in it's viewDidLoad I have the UIWebView load the page. The problem is it takes about 8 seconds to load this page and that annoys users. How can I load the UIWebView way ahead of time (like when the app is first launched!) if that UIViewController hasn't even been presented yet? 回答1: I

Determining whether the window has loaded without using any global variables

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问题 I need to find out if the window has loaded or not. I want to create a checkLoaded function that will return true or false to indicate this, based on when I call it. <html> <head> function checkLoaded(){ //alert true if window is loaded or alert false } </head> <body onload="checkLoaded()">  Loding window. <script> checkLoaded();// this should alert false; </script> </body> </html> I don't want to use a global variable that I set when the window loads. Is there

How to load all views in UITabBarController?

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I have not found relevant and up to date answers in the posts related to this question. I would like to load all viewcontrollers on launch. Currently it launches as expected but when I tap on a bar item (the first time) there is a slight delay to load it because it has not been loaded yet. How can I do that is Swift ? Thanks. Robert To preload a UIViewController 's view, simply access its view property: let _ = myViewController.view To preload all view controllers on a UITabBarController , you can do: if let viewControllers = tabBarController.viewControllers { for viewController in

Jquery on() load event on a single element

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I'm sorry if this question has already been asked, but i didn't find a solution. I have 3 radios elements and I want to check the value when the selection changes and when the page loads. I would do that by using only the on() function. My problem is that only the change event is triggered. Here is my current code : $('.user').on('load change', function(){ if($(this).val() == 'client'){ $('#user_parent').removeAttr('disabled').closest('tr').show(200); }else{ $('#user_parent').attr('disabled', 'disabled').closest('tr').hide(200); } });" I also tried to replace load by ready, but it failed too.

jQuery load body from external HTML

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I'm using jQuery and trying to load the body from an external HTML file. It works if I try to load some div : $('body').load('example.html #content'); But I'm unable to do something like this: $('body').load('example.html body'); Adam Hopkinson From http://api.jquery.com/load jQuery uses the browser's .innerHTML property to parse the retrieved document and insert it into the current document. During this process, browsers often filter elements from the document such as <html>, <title>, or <head> elements. As a result, the elements retrieved by .load() may not be exactly the same as if the

Confused about java properties file location

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问题 I have simple java project with structure: package com.abc: a.java b.java c.properties I have database configuration parameters configured in c.properties file. Inside a.java and b.java, I am loading properties file using: Properties p = new Properties(); InputStream in = this.getClass().getResourceAsStream("c.properties"); p.load(in); This works fine. But the main question is, once I prepare executable jar by exporting this code, properties file also gets packaged in jar file. If someone

jQuery wait till AJAX page is fully loaded

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I use AJAX to display content of page B on page A. How can I make jQuery wait for everything to load (text, images etc.) before the content is displayed? $.ajax({ url:"pageB.html", beforeSend: function() { //show loading animation here } success: function(data) { //hide loading animation here $("body").append(data); } }); I use beforeSend to show a loading animation to the user when the AJAX request is being processed. Now I want to "extend" the waiting time so that the loading animation does not disappear until all images are loaded. I tried to initially hide appended data, wait for all

Get HTML code of a local HTML file in Javascript

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I'm developing a small application with HTML, CSS, Javascript, JQuery and JQTouch. This is a LOCAL application. I've an index.html with some div's. When I click on a link in this file, I want to load HTML code of page1.html (same folder) and insert into a div of index.html the tag that I want of page1.html. Example: Inject the content of (page1.html) into (index.html). I try: http://api.jquery.com/load/ $('#loadContent').load('page1.html #test'); And the content of loadContent doesn't change. I include JQuery script into index.html... I try http://api.jquery.com/html/ too, but I think it

stop inserting data in the database when refreshing the page

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I am looking for a way to stop inserting or sending data in the database when refreshing the page. here is my code: user_details_page.php <form action="confirm_page.php" method="post" > User Name: <input type="text" name="username" > User Email <input type="text" name="useremail" > Password: <input type="text" name="password" > <input type="submit" name="submit" > </form> confirm_page.php if (isset($_POST['submit'])) { $user= $_POST['username']; $email = $_POST['useremail']; $pass= $_POST['password']; mysql_query("INSERT INTO table (username, useremail, email) VALUES ('$username','$useremail',

What's the way to implement Save / Load functionality?

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问题 I'm trying to implement a Load / Save function for a Windows Forms application. I've got following components: A tree view A couple of list views A couple of text boxes A couple of objects (which holds a big dictionarylist) I want to implement a way to save all of this into a file, and resume/load it later on. What's the best way to do this? I think XML serialization is the way to go, but I'm not quite sure how, or where to start. Or will it require a really complex solution to be able to do