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• How to Implement Dynamic Timestamp in Web Page?

  - by Morgan Cheng

  In Facebook and twitter, we can see that there is a timestamp like "23 seconds ago" or "1 hour ago" for each event & tweet. If we leave the page for some time, the timestamp changes accordingly. Since it is possible that user machine doesn't have same system time as server machine, how to make the dynamic timestamp accurate? My idea is: It is always based on server time. When request is sent to server for the web page, timestamp T1 (seconds to 1970/1/1) is rendered into inline javascript variable. The displayed timestamp ("23 seconds ago") is calculated by T1 instead of local time. I'm not sure whether this is how Facebook/Twitter do it. Is there any better idea?

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• Full Calender in JQUERY using webservices in Asp.Net

  - by inkmca

  hi, this is My code it works fine for getting data and parsing but i am unable to get events displayed ..... please let me know possible reason very urgent, i feel callback(evnt) not working here............. events: function(callback) { $.ajax({ type: "POST", url: "WebService.asmx/hello", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: function(data) { var evnt = []; $(data.d).find('event').each(function() { evnt.push({ // title: $(this).attr('title'), // start: $(this).attr('start'), // end: $(this).attr('end') title: 'Events1', start: '2010-04-01', end: '2010-04-10' }); }); alert('called end'); callback(evnt); }, error: OnError }); }

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• jQuery: move window viewport to show freshly toggled element

  - by k00k

  I have a simple bit of jQuery in doc ready which toggles a div containing a textarea: $('div#addnote-area').hide(); // hide the div $('a#addnote-link').click(function() { // click event listener on link $('div#addnote-area').toggle(); // toggle the hidden div }); The toggle works fine when clicking the link. The problem I'm having is that if div#addnote-area is below the browser's current viewport, it remains there when it's shown. I'd like the user's cursor to go to the textarea and for the whole textarea to be viewable in the window. Click here to see an image for more context

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• Application disappears after starting - C++ linking managed code dll

  - by Axarydax

  Hello, we have a problem with our applications. We have recently upgraded our toolchain to Visual Studio 2010 and friends, it all works fine on Windows Vista + Windows 7 developer machines and Windows 7 customer machines. (all x86) Today we did a first installation to a client PC running Windows XP SP3 x86, and all applications linking managed code dll do not work. After starting the .exe seemingly nothing happens, no window pops up, no memory gets eaten, no task shows in task manager, nothing, nada. Event log is empty, everything is just as if the application returned to the OS right after the start. I am at loss about this, I really don't know how should I start even debugging this problem. I don't want to install VS2010 and everything onto a Windows XP box, I'd like to try something less time intensive first. This all is happening just to native C++ apps that link managed c++ DLL. Pure managed C# apps do work. Pure native C++ apps do work.

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• Inherit appenders from calling instance in log4j or logback

  - by Lord.Quackstar

  In my program I have 2 separate streams of logging events (calling them streams for simplicity, in reality its 2 appenders). Stream1 contains client logging and Stream2 contains control logging. Now this might seem easy, except that certain classes can be both in the client logging and server logging, depending on the situation. Complicating this further is the fact that a command that a client wants takes place in 2 separate threads (one being fetched randomly from a thread pool), so any kind of tracking with MDC or NDC isn't possible. What would really simplify this is if the logger could inherit the appenders from the calling instance. That way I can setup 2 appenders for 2 loggers and be done. However I have no idea how to do it cleanly or easily. Can anyone offer any advice on how to do so? Note: If something needs to be passed around, I do have a event bean that gets passed to everything in the chain that can be used if necessary.

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• Rsspnse.redirect will not redirect on Internet explorer

  - by Amit

  Hi, I am using Response.Redirect("someurl",true); in the page_preInit event to redirect all the requests that come to a page. It works fine on Firexox, but if i access the page from internet explorer 7/8, it says page can not be found and will not redirect to new URL. Any idea why this happens?? Update: I tried giving a radom URL in the redirect such as google.com and it works fine. Actually the URL I am trying to redirect is not accessible on my machine, it is on another VPN. I guess IE will not change the URL on the addressbar if it can not access the URL. Firefox on the other hand changes the address on the address bar.

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• jQuery function in .click() etc

  - by Martind

  Hi all. So normally, I do it like this: $('#selectRoom a').click( function(e) { e.preventDefault(); // To prevent the default behavior (following the link or adding # to URL) // Do some function specific logic here }); However, I would like to do it like this, to clean things up (and be able to reuse): $('#selectRoom a').click( selectRoom ); function selectRoom () { e.preventDefault(); // To prevent the default behavior (following the link or adding # to URL) // Do some function specific logic here } The problem is, i cant pass the "e" event-handler to the function, then the selectRoom() function is called on load. i.e: $('#selectRoom a').click( selectRoom(e) ); Can I fix this somehow?

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• Grails remoteLink handling error codes

  - by soybie

  I'm on grails 1.3.6 and I see the following behavior. <g:javascript library="prototype" /> ... <g:remoteLink action="punch" id="${personInstance.id}" update="damage_${personInstance.id}" on401="alert('foo!');"> generates: <a on401="alert('foo!');" onclick="new Ajax.Updater('damage_5','/blah/person/punch/5',{asynchronous:true,evalScripts:true});return false;" href="/blah/person/punch/5"></a> "on401" isn't a supported event attribute for an anchor tag, so is this a bug in grails?

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• Where to get the import ij.* package from?

  - by razshan

  What do I need to do to successfully the import ij package? I get an error: ITCN_.java:1: package ij does not exist The imports are: import ij.*; import ij.io.*; import ij.gui.*; import ij.process.*; import ij.measure.*; import ij.plugin.*; import ij.plugin.frame.*; import ij.plugin.filter.PlugInFilter; import java.io.*; import java.awt.*; import java.awt.event.*; import java.util.*; import java.lang.*; import java.text.*;

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• How to calculate the touch location with convertToWorldSpace?

  - by Paul

  i would like to convert the touch location as a world coordinate in my tile game. With this code, i clicked on the right of the screen (so that my character walks in the tiled game, and the background goes slowly to the left) : - (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { for( UITouch *touch in touches ) { CGPoint location = [touch locationInView: [touch view]]; location = [[CCDirector sharedDirector] convertToGL: location]; CGPoint test = [self convertToWorldSpace:location]; CCLOG(@"test : %.2g", test.x); The test log gives me : 50, 72, 1e+02, 2.6e+02, 4.2e+02, (and then goes down) 3.2e+02, 9.5, -1.9e+02, etc. Does anyone know why? I would like to calculate the "real" coordinate of the touch, so that i know when the character has to keep going (click on the right of its actual position) or if he has to turn and go backwards. (click on the left of its actual position) Thanks for your help

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• Click events not working in Rails view

  - by Fdr

  I have following view (html.erb): <h3>My view</h3> <script> function test() { alert("hello"); } </script> <input type="button" onClick="test();" value="test" /> For reasons I cannot understand the onClick event never gets fired when I access the view through rails(tried static apache hosting - no problems there). Here is rendered html: http://pastebin.com/LmGysgUG I feel quite stupid, is this something to do the way Rails renders views?

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• Changing stylesheet href with jQuery doesn't quite work

  - by Michael Itzoe

  I'm creating a web app that user will be accessing in the field, so they'd like to be able to manually toggle the styles from light to dark depending on the ambient lighting. I'm using jQuery. I added an id attribute to my stylesheet, then created a button using the toggle() event, in which I change the href attribute to the CSS file I want. The CSS file has several @import directives as I split the styles into several files for maintainability. My problem is only the main CSS file is being applied. I tried using the absolute path in the @import directives, but no luck. Is there a fix here I'm missing, or do I have to inlcude everything in a single CSS file? Edit: Apprently this is only a problem in IE8, works fine in Chrome and Firefox. Unfortunately, my client wants only IE8. Looks like this is a duplicate of this question.

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• Callback for When jqGrid Finishes Reloading?

  - by James

  Hi, I am using the jqGrid plug-in and at one point I need to refresh the grid and set the selected row to match the record that I am showing in detail on another section of the page. I have the following code but it does not work: $("#AllActions").trigger("reloadGrid").setSelection(selectedRow); The selectedRow parameter comes from an event handler that gets called when the data is changed and the grid needs to be updated. I'm pretty sure that the problem is that the grid is not loaded when the selection is being set, because if I put a call to alert() between the calls to trigger() and setSelection(), it works. I would be grateful for any advice. [Edit]Looks like http://stackoverflow.com/questions/2529581/jqgrids-setselect-does-not-work-after-reloadgrid is related but did not get resolved.[/Edit]

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• set Enabled = "false" to radiobuttonlist then can not toggle enable/disable

  - by cindy

  I am able to use jquery toenable/disable radiobuttonlist based on the checkbox value. But the problem is that I want to disable radiobuttonlist at the first time. Then toggle its enable/disable by checkbox later. So I have But after I add: Enabled = "false" to my radiobuttonlist, the toggle of checkbox does not work. Here is my function to toggle : $(function() { function checkBoxClicked() { var isChecked = $(this).is(":checked"); var columnName = "rblColumn" + $(this).parent().attr("alt"); if (isChecked) { $("#" + columnName).removeAttr("disabled"); } else { $("#" + columnName).attr("disabled", "disabled"); } } //intercept any check box click event inside the #list Div $(":checkbox").click(checkBoxClicked); });

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• c# Dynamically generated controls issue.

  - by Thomas

  Good Day I have a form with a panel docked in it. I then dynamically create 15 panels (named: panel_n) and 15 pictureboxes (named: picturebox_n) on the primary panel (named ContainerPanel). When dragging the any picturebox over a panel (panel_n) created using the relevant mouse events. I would like to get the panel's name that the picture box was dragged over. The mouse cursor seems to be captured. I have tried creating a IMessageFilter interface, but there are still no events that trigger when dragging one of the pictureboxes over any one of the panels. The ClientRectangle.IntersectsWith function also does not work as the co-ords are always 0,0. All I need is the panel name where the picturebox was dragged over (preferably on the mouseup event)

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• Simple "Hello World!" console application crashes when run by windows TaskScheduler (1.0)

  - by user326627

  I have a batch file which starts multiple instances of simple console application (Hello World!). I work on Windows server 2008 64-bit. I configure it to run in TaskScheduler, at startup, and whether user is logged-in or not. The later configuration means that the instances will run without GUI (i.e. - no window). When I run this task, some of the instances just fail, after consuming 100& CPU. Application event-log shows the following error: "Faulting module KERNEL32.dll, version 6.0.6002.18005, time stamp 0x49e0421d, exception code 0xc0000142, fault offset 0x00000000000b8fb8, process id 0x29bc, application start time 0x01cae17d94a61895." Running the batch file directly works just fine. It seems to me that the OS has a problem loading too many instances of the application when no window is displayed. However - I can’t figure out why... Any idea??

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• Write XML File from a flex application back to a rails Server

  - by Markus

  Hi everybody, I have a XML-file, which I want to send to a rails server. To do so I use the following code: <mx:HTTPService id="dataService" result="resultHandler(event)" resultFormat="e4x"/> In a Function triggered by a save button, I do the following: var params:Object = {}; params["xml_file"] = xmlDoc; dataService.method = "POST"; dataService.url = "http://localhost:3000/containers"; dataService.send(params); Unfortunately there is always the Problem (see below) appearing. If I remove the params var, it runs a GET Request... [RPC Fault faultString="HTTP request error" faultCode="Server.Error.Request" faultDetail="Error: [IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2032: Stream-Fehler. URL: http://localhost:3000/containers"]. URL: http://localhost:3000/containers"] what could be the problem? Thanks for any hints! Markus

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• passing paramters to component in flex

  - by dubbeat

  Hi, I've got 2 files, my Application and a custom component. In my component I have a httpservice and a string named _requestUrl that is bindable. The httpservice uses this. <mx:HTTPService id="srv" url="{_requestUrl}" result="parseHttpResult(event)" resultFormat="xml" method="GET" useProxy="false"> </mx:HTTPService> In my application file I make an instance of my component in the onCreationComplete function. In this function if I say mycomponent._urlRequest ="http://mysite.com" the httpservice throws a null url error but if I say mycomponent.srv.url="http://mysite.com" it works fine. Why is this?

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• Implementing master-detail with 2 tables in a dataset (wpf)

  - by Dani

  I've created a dataset that contains 2 tables: Users (userID, UserName, other user details) Emails (Id, UserId, UserEmail) I populate the dataset using 2 DataAdapters (one for each table) I have a listbox, a few textboxes and a grid. listbox gets all the users, the few textboxs displays the user details when picked in the list box (this is easy b/c they are both bound to the same table). the grid should display the selected user's email addresses. How do I do it using binding ? is it possible or should I catch the selection change event and filter the grid "manually" (currently the grid displays all the emails in the tables).

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• C++ networking simple send and receive

  - by Wallter

  I'm trying to link 10 computers together, the program i would like to write would have one 'control' computer. From what I've looked up this computer would take all the packets sent over the network and do a echo with them... right? The other computers would need to be able to send information (then echoed to the others) to the 'control' ... is there a easy! or simple way to do this? From what I've seen i want a non-blocking socket? I have looked into sockets and such but for an armature programmer like me, this seems like a daunting task :) I'm kind-of looking for an easy class implication that has a send() and an event driven recv(). I'm not going to be sending that much information over the network.

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• jQuery, Forms, Browser Refreshes

  - by Eric Cope

  I have a large form with some fields values dependent on previous elements. I use jquery's .trigger event to trigger the dependent field's update functions. When I refresh the page (click reload or click back), the previous values selected are still there, but the dependent fields are not reflecting the other element's values. How can I trigger the update functions upon refresh? I saw a way to prevent the browser from using the form's cached values. I'd rather use the cached values and update the elements dependent on the elements with cached values.

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• progressbar to be updated on selected index changed of a combo box

  - by joy

  hi, i am developing a windows application using C#.net and i am having a combobox with some list items .on selected index changed event of the combo box i need to have the progess bar to be visible and should disappear after retrieving some data. i am trying inthe way: for (int i = progressBar1.Minimum; i <= progressBar1.Maximum; i++) { progressBar1.PerformStep(); } panel1.Visible = false; where my progress bar is placed in panel1. but i am getting the progess bar when i first run my application after that when ever combobox item is changed the progress abr is not visible. i need the solution asap... Thanks in advance!

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• JQuery - which form was submitted?

  - by OneMostFrustratedChap

  Hello, I have a page of products and for each of them, I want to have a form that uses AJAX to update the session. I've done this bit - just providing background. I use the product's ID to create a different form class and name for each form, so each form is called something like this_form_name_567 and the next would be this_form_name_568 and so on. There is a submit button per form. I'm having trouble figuring out a) which event is best to use so that the correct form will be identified when a submit button is clicked, b) once clicked, how to then make sure the correct value is taken from a hidden field (unique ID) within the submitted form so that I can populate a line of code such as: $.post("compare_response.php", {compare_this: $("#compare_this").val()}, function(data){ } Any help would be greatly appreciated. Thank you

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• How to get select radiobutton value using its name in jQuery?

  - by Prashant

  I am having 4 radiobuttons in my web page like below: <label for="theme-grey"><input type="radio" id="theme-grey" name="theme" value="grey" />Grey</label> <label for="theme-grey"><input type="radio" id="theme-grey" name="theme" value="pink" />Pink</label> <label for="theme-grey"><input type="radio" id="theme-grey" name="theme" value="green" />Green</label> Now in jQuery I want to get the value of selected radiobutton on click of any radiobutton out of above three. In jQuery we have id (#) and class (.) selectors but what if I want to put event on radiobutotn using thier names? as below? $("<radiobutton name attribute>").click(function(){}); Please tell me how to solve this problem. Thanks

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• Please help, looking for any answer for long time :How to use SqlDataSource Control to work with Dro

  - by Shantanu Gupta

  I am trying to fetch a column value from a datasource when some value is selected from a dropdownlist on its change event. <asp:DropDownList ID="ddlCityName" runat="server" DataSourceID="dsCity" DataTextField="CityName" DataValueField="CityID" AutoPostBack="True" OnTextChanged="CityName_OnTextChanged"> </asp:DropDownList> <asp:SqlDataSource ID="dsCity" runat="server" ConnectionString="<%$ ConnectionStrings:GmapConnectionString %>" SelectCommand="SELECT * FROM [vcity]" ></asp:SqlDataSource> Here I want to fetch any other column's value that is not binded to a ddlCityName from sqldatasource. I have four columns in datasource i.e. name, id, address, phno. I want to fetch an address of a person who selects some value from ddl.

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