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问题 I have a dropdown menu and want to change background of parent's button when hovering submenus. Any ideas how to achieve this so it will work not only in all modern browsers but preferably in IE8/IE9 too? Simple example, I want to change background of link "This black" while hovering his children ("When hover me" & "and me"). Is it possible with pure CSS? http://jsfiddle.net/PExLW/ I was thinking about adding certain classes when hovering certain li but it sounds like an overkill, also,

问题 Here is my sample code. public class test extends Activity { private TextView tv; public class Blap extends AsyncTask<String,String,Boolean>{ private test parent; @Override protected Boolean doInBackground(String... options) { this.auth(options[0],options[1]); parent.aresponse(res); return true; } public Blap(test a){ this.parent = a; } public auth(String login, String password){ //process auth } } @Override public void onCreate(Bundle savedInstanceState) { //work... } public void buttonclick

问题 I have a problem. I need to return to parent Url from Frame opened in a Android Webview . The sequence is: Open inside Webview new frame. Select in frame options and paramters. Call in frame javascript function like _"javascript:parent.opener. jsfunction "_. Parent Web doesn't open... I don't have access to Web. I work only in Android side. I test Web in a firefox for Android and it works. Need help. 回答1: By default, WebView doesn't support multiple windows. If you check, I believe the parent

问题 I have a problem. I need to return to parent Url from Frame opened in a Android Webview . The sequence is: Open inside Webview new frame. Select in frame options and paramters. Call in frame javascript function like _"javascript:parent.opener. jsfunction "_. Parent Web doesn't open... I don't have access to Web. I work only in Android side. I test Web in a firefox for Android and it works. Need help. 回答1: By default, WebView doesn't support multiple windows. If you check, I believe the parent

问题 I created three tabs out of divs and put them along with a textbox into another div called window. I want window to encompass all of the content, have red background, and a blue border around it. The problem is that the tab divs appear to be overflowing their parent div (window) causing the background and border to fill a smaller area than should be filled. I tried setting overflow:hidden on the window and this chopped off part of the tabs which I didn't want, however the border now went

问题 I have a program I'm running within another. The parent program freezes up while the child process is running. Is there a way to run the child process in the OS as a parent process itself? 回答1: You can use subprocess.Popen, assuming you're really trying to launch a program that's completely separate from the parent Python script: import subprocess subprocess.Popen(["command", "-a", "arg1", "-b", "arg2"]) This will launch command as a child process of the calling script, without blocking to

问题 Working on my first Wordpress site so I'm sure this is a really basic question. I'm struggling to write a conditional php statement that performs a certain action when a page is a child of a parent page. For example, rather than just specifying one page, as below, I'd like to specify all pages that have the 'About Us' page as a parent: <?php if (is_page('About Us')) echo 'Hello World!'; ?> I've tried the "child_of" function but it wasn't as straightforward as I'd hoped. When I use the below,

问题 I have a trouble getting the following result from a xml/xslt transformation: <root> <node> <id>1</id> <parentid></parentid> <name>file 1</name> <node> <node> <id>2</id> <parentid></parentid> <name>file 2</name> <node> <node> <id>3</id> <parentid>2</parentid> <name>file 3</name> <node> <node> <id>4</id> <parentid></parentid> <name>file 4</name> <node> <node> <id>5</id> <parentid>2</parentid> <name>file 5</name> <node> </root> i would like the output html to be something like: <ul> <li>file 1<

问题 Ok, the question alone is making my head spin. I have an anchor tag that is calling a function: <a href="#" id="addPerson" onClick="addPerson(); return false;">Add a Guest</a> Just for reference, this is the function that's being called: function addPerson() { //current keeps track of how many rows we have. current++; console.log($(this).parent('form').attr('id')); var strToAdd = '<div class="row">\ <div class="column grid_2">\ <label for="two-guests-name'+current+'">Guest '+current+':</label

问题 I want my Player objects to inherit the sum of chips in the Tournament. I get (Attempted to divide by zero.) and I think that's because it fails to inherit Chips from the parent Tournament object. Why is this not working? public partial class Form1 : Form { public Tournament Tournament { get; set; } public Form1() { InitializeComponent(); Tournament = new Tournament(); Tournament.PlayerList.Add(new Player("Hero", 5000)); Tournament.PlayerList.Add(new Player("Villain1", 3000)); Tournament