selection

How to preselect option in select box using jQuery

由 拜拜、爱过 提交于 2019-12-21 03:33:10
问题 I have one select box with various options. When a page loads then one option with a value, for example 10, should be preselected with jQuery. How can I do that? 回答1: When the page loads run this (you can put it in <body onload="//put code here"> ): $("option[value='10']").attr('selected','selected'); 回答2: Test the example: http://jsfiddle.net/VArCZ/ $(document).ready(function() { $('#mySelectBox').val('10'); }); Although, jQuery wouldn't be required for this if the intial value will be

Get Text Select That Runat=“Server”

由 橙三吉。 提交于 2019-12-20 06:15:09
问题 <select id="Select1"> <option>1</option> <option>2</option> <option>3</option> </select> alert($("#Select1").val()); this code Is Correct And Return Current Value. BUT <select runat="server" id="Select1"> <option></option> </select> function parseXmlQuestion(xml) { $(xml).find("Question").each(function() { var value=$(this).find('Text').text() $('#<%=Select1.ClientID %>'). append($("<option></option>"). attr("value",value). text(value)); }); } alert( $('#<%=Select1.ClientID %>').val()); alert

How to get selected values in table row in android

由 不打扰是莪最后的温柔 提交于 2019-12-20 06:13:11
问题 I Had the table layout with 11 table rows and check boxes each table row i want to get selected check box row value and display in a toast message on Long clicking on selected row i had done this blow but it wont works please help me with this public class Manual_AC_Fuse_ckt extends Fragment { public int []check_box_count = new int[11]; public int [] Table_Row_Count = new int[11]; TableRow table_row; TableLayout table; CheckBox check_box; int i; @Override public View onCreateView

Get Textarea Cursor Position in AngularJs

由 十年热恋 提交于 2019-12-20 05:02:41
问题 This question boils down to needing to get the cursor position of a <textarea> element in a directive. In short, all I need to work in this. var position = element.selectionStart; There are at least 5 answers on the subject using various methods, e.g. this one for angular, this one for some jQuery extension, enter link description here. I have read them all and decided to just try to get the selection start object. Here is my PLNKR. I have no idea what I am doing wrong. Note - the background

How to preserve text selection when opening a jQuery dialog

由 廉价感情. 提交于 2019-12-20 03:48:16
问题 Using jQuery's dialog I came across the following quirk (tested in FF3): User selects text In code, open up a jQuery dialog BUG: the text gets unselected (text could be in a textarea or just an HTML on the page) So, to me it seems like a funny (and annoying) bug or a quirk, but maybe there's a good explanation for that. And what interests me most, is how to preserve this text selection after opening the dialog? Here's some code: function getSelectedText() { var t; if (d.getSelection) t = d

Java JComboBox listen a change selection event [duplicate]

由 Deadly 提交于 2019-12-20 03:19:40
问题 This question already has answers here : JComboBox Selection Change Listener? (6 answers) Closed 6 years ago . I'm trying to listen to a change of selection in a Java JComboBox. I have tried to use an ActionListener but the problem is this: the action listener does something like this public void actionPerformed(ActionEvent e){ JComboBox<String> source = ((JComboBox<String>)e.getSource()); String selected = source.getItemAt(source.getSelectedIndex()); /*now I compare if the selected string is

Can I set the selected item for a JList without having an event thrown to the listeners?

由 谁说我不能喝 提交于 2019-12-20 01:32:08
问题 I am working on a viewer, which uses a JList to show thumbnails of the pages of a document. The user can open a page by selecting it through in the JList, or throught other mechanisms, like entering the number in a text box. When using the latter alternative, I want that the JList also selects the page. I do this using setSelectedIndex(), but this triggers an event, which causes the page to be loaded again, as if the user had clicked and selected the page in the JList, and this is causing me

AST for current selected code in eclipse editor?

由 梦想的初衷 提交于 2019-12-19 23:21:53
问题 I need to get the AST for the current selection in the java editor fo eclipse. Basically I want to convert the selected java code in to some other form(maybe some other language or XML etc..). So I guess, I need to get the AST for the selection. Currently I am able to get the selection as simple text. Is there any way out for such problem? Thanks already!! 回答1: There are a number of handy tools for JDT plugin developers, especially the AST View which does pretty much what you are looking for.

Highlight selected text with jquery

由 烈酒焚心 提交于 2019-12-19 21:59:50
问题 When a user selects any text in my html page I want to add a custom style (like color:red; ) to it. This will act as a highlighting tool similar to what you can see in some applications for reading pdf files. To do this I declare highlight() function that gets the text which is selected, plus its position. function highlight(text, x, y) { alert(text+'***'+x+'***'+y) window.getSelection().removeAllRanges(); } jsfiddle link edited jsFiddle 回答1: Try this approach instead. Basic steps are get

Why can't the median-of-medians algorithm use block size 3?

由 ↘锁芯ラ 提交于 2019-12-19 16:57:35
问题 I am Working through the analysis of deterministic median finding under the assumption that the input is divided into 3 parts rather than 5 and the question is Where does it break down? the deterministic median finding algorithm: SELECT(i, n) Divide the n elements into groups of 5. Find the median of each 5-element group by rote. Recursively SELECT the median x of the ⎣n/5⎦ group medians to be the pivot. Partition around the pivot x. Let k = rank(x) 4.if i = k then return x elseif i < k then
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