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  • What is the preferred method of refreshing a combo box when the data changes?

    - by Craig Johnston
    What is the preferred method of refreshing a combo box when the data changes? If a form is open and the combo box data is already loaded, how do you refresh the contents of the combo box without the form having to be closed and reloaded? Do you have to do something on the Click event on the combo box? This would seem to be a potential slow down for the app if there is a hit to the database every time someone clicks on a combo box.

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  • Jquery error handling options

    - by yogsma
    I want to throw an error message if user doesn't input any value for a particular field. I am using blur event. I don't want to use ALERT function for throwing error messages. What are the other options we have available in jquery for error handling?

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  • MonoTouch - foreach vs for loops (performance)

    - by ifwdev
    Normally I'm well aware that a consideration like this is premature optimization. Right now I have some event handlers being attached inside a foreach loop. I am wondering if this style might be prone to leaks or inefficient memory use due to closures being created. Is there any validity to this thinking?

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  • render javascript on partialpostback through ajax

    - by Khushi
    Hi All, I have a grid on a page along with a tooltip for each cell created dynamically on dlDrivers_ItemDataBound event through javacsript. I have been using ajax on my page. When i visit the page for the first time, all the tooltips are working fine but when i perform some actions on the page and grid ispostback through ajax, but the javascript here is not rendered and the tooltip does not appear. Can anybody give me some solution......... Khushi

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  • beneficial in terms of performance

    - by Usama Khalil
    Hi, is it better to declare Webservice class object instances as static as the .asmx webservice classes have only static methods. what i want is that i declare and instantiate webservice asmx class as static in aspx Page Behind Class. and on every event call on that page i could perform operation against webservice methods. is it beneficial in terms of performance? Thanks Usama

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  • API for displaying graphs in a web app?

    - by Rosarch
    I have graphs (nodes/arcs) that I want to display to the user. I need to be able to capture the event of a user clicking on a node. Something like Google Charts API's Simple Org Chart would be great, but it looks like it only supports trees. What other service can I use? Or should I hack something ugly together using Google Charts?

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  • Flex: convert VideoPlayer.currentTime to string "00:00:00:000"

    - by numediaweb
    Hi there! what about this one: I want to format the currentTime displayed by a videoPlayer component inside flex, something like : 8230.999 to something like 01:59:59:999 which is "hours:minutes:seconds:milliseconds" I trie different sets of codes but they can't get it to work because currentTime is nor a correct miliseconds time as it adds a floating 3 digit point to seconds; so instead of : 2000ms it outputs 2.000 something people like me just can't understand! thanx for any help :) ### UPDATE I still have problem with milliseconds. here's the current MXML: <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> <fx:Script> <![CDATA[ protected function convert_clickHandler(event:MouseEvent):void { var val:Number = new Number(inPut.text); //inPut.text = 1000.001 //val = val * 1000; outPut.text = timeFormat(val); } public static function timeFormat(value:Number):String { var milliseconds:Number = value % 1000; var seconds:Number = Math.floor((value/1000) % 60); var minutes:Number = Math.floor((value/60000) % 60); var hours:Number = Math.floor((value/3600000) % 24); var s_miliseconds:String = (milliseconds<10 ? "00" : (milliseconds<100 ? "0" : ""))+ String(milliseconds); var s_seconds:String = seconds < 10 ? "0" + String(seconds) : String(seconds); var s_minutes:String = minutes < 10 ? "0" + String(minutes) : String(minutes); var s_hours:String = hours < 10 ? "0" + String(hours) : String(hours); return s_hours + ":" + s_minutes + ":" + s_seconds + '.'+s_miliseconds; // returns 00:00:01.000.0009999999999763531 should return 00:00:01.001 // I still have problem with milliseconds } ]]> </fx:Script> <fx:Declarations> <!-- Place non-visual elements (e.g., services, value objects) here --> </fx:Declarations> <s:TextInput x="240" y="72" id="inPut" text="1000.001"/> <s:TextInput x="240" y="140" id="outPut"/> <s:Button x="274" y="107" label="convert" id="convert" click="convert_clickHandler(event)"/> </s:Application>

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  • Not sure how to use ccTouchesBegan to do what I want it to do.

    - by thyrgle
    So when I see ccTouchesBegan (or touchesBegan for that fact of the matter) I see something like this usually: - (void)ccTouchesBegan:(NSSet*)touches withEvent:(UIEvent*)event { UITouch* touch = [touches anyObject]; } But, what I am not getting is how do you just detect if one object has been touched? For example how would I check if a specific CCSprite I declared has been touched? Sorry if this is a newbish question but, I just don't understand and if you need more clarification just ask how I can clarify myself more.

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  • Hiding user interface parts in WSS 3.0 webpart - how?

    - by truthseeker
    Hi, I have a webpart with asp.net control within. I would like to hide some parts of that control, some asp:net panels etc. regarding one of the TextBox's value. The issue is that I don't know to change the visibility of asp:panel wrapper without any postback, and how to refresh page to see the changes on the UI. I was trying to implement TextChanged event but it dosen't work. Can anybody help me, please?

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  • Joda Time cannot subtract one hour

    - by Leoa
    In my android program, I have a spinner that allows the user to select different times. Each selection is processed with Joda time to subtract the minutes. It works fine for minutes 0 to 59 and 61 and greater. However, when 60 minutes is subtracted, the time is not updated, and the original time is shown. How do I get Joda time to subtract 60 minutes? Spinner: public class MyOnItemSelectedListener implements OnItemSelectedListener { public void onItemSelected(AdapterView<?> parent, View view, int pos, long id1) { String mins = parent.getItemAtPosition(pos).toString(); int intmins=0; // process user's selection of alert time if(mins.equals("5 minutes")){intmins = 5;} if(mins.equals("10 minutes")){intmins = 10;} if(mins.equals("20 minutes")){intmins = 20;} if(mins.equals("30 minutes")){intmins = 30;} if(mins.equals("40 minutes")){intmins = 40;} if(mins.equals("50 minutes")){intmins = 50;} if(mins.equals("60 minutes")){intmins = 60;} if(mins.equals("120 minutes")){intmins = 120;} String stringMinutes=""+intmins; setAlarm(intmins, stringMinutes); } else { } public void onNothingSelected(AdapterView parent) { mLocationDisplay.setText(" " + location); } } public void setAlarm(int intmins, String mins) { // based alarm time on start time of event. TODO get info from database. String currentDate; SimpleDateFormat myFormat = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss"); Date date1 = null; DateTime dt; currentDate = eventdate + " " + startTimeMilitary;// startTimeMilitary; try { date1 = myFormat.parse(currentDate); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } dt = new DateTime(date1); long dateInMillis = dt.getMillis(); String sDateInMillis = Long.toString(dateInMillis); // subtract the selected time from the event's start time String newAlertTime = subtractTime(dt, intmins); newAlertTime = subtractTime(dt, intmins); //......}

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  • What are lightweight events?

    - by Vitali Climenco
    Ran a handful of times into the term lightweight event. The texts were not accompanied by any code snippets to figure out the idea behind the term. I would really appreciate it if anyone could explain what are lightweight events about and throw in an example.

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  • How to make a ToolStripComboBox to fill all the space available on a ToolStrip?

    - by Ivan
    A ToolStripComboBox is placed after a ToolStripButton and is folowed by another one, which is right-aligned. How do I best set up the ToolStripComboBox to always adjust its length to fill all the space available between the preceeding and the folowing ToolStripButtons? In past I used to handle a parent resize event, calculate the new length to set based on neighboring elements coordinates and setting the new size. But now, as I am developing a new application, I wonder if there is no better way.

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  • How is the order of execution for HttpModules determined?

    - by jessegavin
    Suppose that both FirstModule and SecondModule handle the Application_BeginRequest event. Will it execute in the order defined in the web.config? <httpModules> <add type="MyApp.FirstModule, MyApp" name="FirstModule"/> <add type="MyApp.SecondModule, MyApp" name="SecondModule"/> <add type="OtherApp.OtherModule, OtherApp" name="OtherModule"/> </httpModules> Are there other ways that the order can be specified?

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  • How do I get selected date set by jQuery UI Datepicker

    - by Steven
    I'm setting the start date of an event using jQuery UI Datepicker. Now I need to retrieve the date I selected. I'm trying to use $('#startDate').datepicker('getDate'), but this returns NULL. Using FirBug, I see that the input value is nothing <input type="text" name="startDate" value="" id="startDate" class="hasDatepicker"> I'm able to retrieve selected date when using jQuery serialize. So how can I retrieve the selected date?

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  • Library resolution with autoconf?

    - by Alnitak
    I'm building my first autoconf managed package. However I can't find any simple examples anywhere of how to specify a required library, and find that library where it might be in various different places. I've currently got: AC_CHECK_LIB(['event'], ['event_init']) but: It doesn't find the version installed in /opt/local/lib It doesn't complain if the library isn't actually found I need to set the include path to /opt/local/include too any help, or links to decent tutorials much appreciated...

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  • What's the best way to tell if the mouse is over a form or not?

    - by cyclotis04
    I figured out how to capture mouse clicks over the entire form, but this method doesn't translate well for MouseEnter and MouseLeave. My form layout is made up from many Panels and TableLayoutPanels so there's no all-encompassing control I can monitor events for, and obviously a MouseLeave event for a button doesn't mean the cursor left the entire form. Has anyone figured out a good way to get around this?

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