clear

问题 Well currently I have this: <rich:fileUpload addLabel="Agregar" clearAllLabel="Quitar todos" clearLabel="Quitar" deleteLabel="Quitar" doneLabel="Completado" uploadLabel="Subir archivos" fileUploadListener="#{uploadBean.doUpload}" acceptedTypes="txt, csv" noDuplicate="true"> <a4j:ajax event="uploadcomplete" render="validationButton"/> <a4j:ajax event="clear" listener="#{uploadBean.doClearFilesList}" render="validationButton"/> </rich:fileUpload> On the backing bean I have a list of the files

问题 I am trying to create a web page where if a user clicks on a word it is presented in a text box if a word is clicked twice it does not appear again in the box the user can clear the box with a button the user can send the contents to another page my code is the following: <div id="parent"> <!-- get the clicked word and add it to textarea--> <script type="text/javascript"> $("#parent").delegate("span", "mousedown", function() { if ( $("#thediv").text().indexOf($(this).text()) <0 ) { $("#thediv

问题 I just get confused about canvas clear stuff -- the sketch has been cleared from canvas, but when I click the canvas to draw something new, the cleared sketch just come back at the same position again. It looks like the sketch has been saved to some "cookies", which has been reloaded when the next time clicking the canvas or mouse over the canvas. clear.click(function()){ var canvas = document,getElementById('mycanvas'); var context = canvas.getContext('2d'); context.clearRect(0,0,width

问题 Is there a way to clear all cache and cookies (equivalent of pressing ctrl + shift + del in firefox and selecting every checkbox) using imacros? I know about the CLEAR command but I have found that it doesn't clear everything. Thank you. 回答1: Use the CLEAR command so that times of website response measurements are not influenced by using local cache data: 回答2: The code "CLEAR" without quote actually deletes all content. Make sure you do not run this function in incognito mode. This is because

问题 I have a form that inputs the form's data into a google spreadsheet. This data is listed in order of submission. When i clear the content of the spreadsheet, the next data is inputted as if the other data existed, x number or rows down. data data clear (empty) (empty) data Here is the script I'm using to clear the content function clear() { var sheet = SpreadsheetApp.openByUrl('https://docs.google.com/spreadsheets/d/1IEcXuEtkwVmnOEeQE71YQcZTrSkFa1OjlP8JpXGonHk/edit#gid=2015797647')

问题 I want to clear a value of a span inside a div without deleteing other contents only the contents of a span. ex: body: <div id="content"> <span>one</span> <input type="text" /> <input type="text" /> <span>two</span> <span>three</span> <select> <option selected="selected" value=""></option> <option value="Monday">Monday</option> <option value="Tuesday">Tuesday</option> <option value="Wednesday">Wednesday</option> <option value="Thursday">Thursday</option> <option value="Friday">Friday</option>

问题 In a portion of my code, two LinkedHashMaps are created, like so: Map<Byte, Integer> hash1 = new LinkedHashMap<Byte, Integer>(); Map<Byte, Integer> hash2 = new LinkedHashMap<Byte, Integer>(); After that, a for-loop is ran to add values into their respective HashMap, and then the HashMaps are ran through another loop used for packet creation. Would it be better to call .clear() after the second loop is called, or just let the garbage collector take care of it? 回答1: If you don't call clear(),

问题 I suppose a DIV with clear:both style can make its parent containing DIV doesn't wrap, but below HTML seems not work in that way. If the browser window is narrow, the second DIV "OK OK" still wraps to next line. <div style="overflow: hidden;"> <div style="float: left; overflow: hidden; white-space: nowrap"> Hello world 1 Hello world 2 Hello world 3 </div> <div style="float: left; overflow: hidden; white-space: nowrap"> OK OK OK OK OK OK OK OK </div> <div style="clear: both;"> </div> </div>

问题 i want to use clear() in my CostomArrayAdapter , but i get always this error: 09-08 18:15:01.960: E/AndroidRuntime(27192): FATAL EXCEPTION: main 09-08 18:15:01.960: E/AndroidRuntime(27192): java.lang.UnsupportedOperationException 09-08 18:15:01.960: E/AndroidRuntime(27192): at java.util.AbstractList.remove(AbstractList.java:638) 09-08 18:15:01.960: E/AndroidRuntime(27192): at java.util.AbstractList$SimpleListIterator.remove(AbstractList.java:75) 09-08 18:15:01.960: E/AndroidRuntime(27192): at

问题 I created a sample Java application. I want to clear the window options, i.e.: Register Login Clear If the user presses 3 I need to programmatically clear all options. Something like Console.clear ? Is there any way that I can do this with Java? 回答1: You will need to output a bunch of blank lines. Even in Windows/*nix, clear/cls doesn't truly clear the screen, it just prints enough blank lines that you cannot see the previous text. 回答2: You mean you created a console application and want to