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• UseConcMarkSweepGC verbose gc output shows memory drops

  - by user1864747

  I have an application for which I have enabled GC logging. The heap appears to grow then takes a sudden drop, but does not log a Full GC. If there some startup parameter that I can enable that will show me what GC event is reducing the heap size? My environment: Linux 64-Bit, java 1.6.0_31, Java HotSpot(TM) 64-Bit Server VM (build 20.6-b01, mixed mode) VM args: -server -Xms2560m -Xmx2560m -XX:+UseConcMarkSweepGC -XX:MaxPermSize=256m -XX:-PrintGC -XX: -PrintGCDetails -XX:-PrintGCTimeStamps -Xloggc:/xxxxx/gc.log -Dsun.rmi.dgc.client.gcInterval=86400000 -Dsun.rmi.dgc.server.gcInterval=86400000 3057.609: [GC 2397254K->2385777K(2619328K), 0.0572310 secs] 3058.898: [GC 2402801K->2391301K(2619328K), 0.0566620 secs] 3059.940: [GC 2408325K->2397156K(2619328K), 0.0534080 secs] 3059.995: [GC 2397265K(2619328K), 0.0069950 secs] 3065.635: [GC 2414180K->2404934K(2619328K), 0.0732700 secs] 3065.849: [GC 2419994K(2619328K), 0.1150630 secs] 3070.248: [GC 1593931K->1591825K(2619328K), 0.1084230 secs] 3072.440: [GC 1608552K->1606431K(2619328K), 0.0533140 secs] 3087.759: [GC 1623455K->1614544K(2619328K), 0.0215850 secs] What event is causing the heap to shrink between the output at 3065.849 and 3070.248? Is there a VM param that will log it? I tried adding -verbose:gc but that does not change the output.

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• MSAccess Change Date Value Before Validation

  - by sisdog

  In a grid I have a date/time field where I would like the user to be able to type in short-hand formats for dates and times. For example, if they type in "435p" and then focus off of the cell they get the message "The value you entered isn't valid for this field.". Instead, I want to trap a pre-validationevent and change it to "4:35pm" for them. What event can I use? I've tried: LostFocus & BeforeUpdate: too late (validation fires before event) Dirty & OnChange: too early (they haven't left the cell yet) Or is there a way to turn off the native validation rule that is checking for date formats?

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• Not responding to events?

  - by Legend

  I currently have three Divs and only one of them is in focus at a given time. All of them line up in a film strip fashion. When I click a DIV not in focus, the current one moves to the left or right (depending on the direction) and the new one comes into focus. The divs can have content that has links. So my problem is that upon clicking on the divs not in focus, if I happen to click on a link, the event is captured. Is there anyway I can disable event detection for divs not in focus? What I am looking for is something like: if(div not in focus) disable all links if (div comes into focus) enable all links

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• How to catch a moment when the external editor of TOLEContainer has been closed?

  - by Andrew

  Borland Developer Studio 2006, Delphi: I have a TOLEContainer object with AllowInPlace=False. When the external editor is closed and changed my OLE object I have to do something with this OLE object inside TOLeContainer. The problem is I can't catch a moment when the external editor is closed. OnDeactivate event is not working. Probably I should change the source code of TOLEContainer adding this event myself, but I don't know where is the best place for it. Can you advice some method?

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• jQuery Dynamic Page Loading wont work, not sure why any ideas?

  - by Luke

  Live demo here <- http://webcallonline.exoflux.co.uk/html/ $(function() { var url = $(this).attr("href"); $("nav").delegate("a", "click", function(event) { event.preventDefault(); window.location.hash = $(this).attr('href'); $("#main").slideUp('slow', function(){ $("#main").load(url + " #main", function() { $("#main").slideDown('slow'); }); }); }); $(window).bind('hashchange', function(){ newHash = window.location.hash.substring(1); }); $(window).trigger('hashchange'); }); Does anyone have any ideas?

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• Placeholder containing dynamic table is empty unless I create table twice

  - by Mike O.

  I am dynamically creating a table that contains a textbox in each cell. The table is put in a placeholder control. Everything displays perfectly. The problem is when I go to retrieve the values entered in the cells. I have the code to generate the table in a separate method called CreateTable(). In order for my program to find a table in the placeholder when I go to save, I have to run CreateTable() in a postback event AND in the PageLoad event. If I call CreateTable() in only one of those places and I try to save, it says the placeholder is empty and, therefore, I cannot save the textbox contents. I've tried calling CreateTable() from InitLoad but that doesn't work because it needs to reference values from three static controls: 1 dropdown, 1 listbox, and 1 calendar control, which I don't believe have had their viewstate rendered yet. Anyone have any ideas? It would sure be nice not to have to double the number of database calls just to make this work.

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• What is wrong with my JPGEncoder

  - by hitek

  Here is my code if (event.target.content is Bitmap) { infotext.text = "got something"; var image:Bitmap = Bitmap(event.target.content); var bitmapData:BitmapData = image.bitmapData; this.addChild(image); var j:JPGEncoder = new JPGEncoder(100); var bytes:ByteArray = new ByteArray(); bytes=j.encode(bitmapData); } else { throw new Error("What the heck bob?"); } When I run a debug session everything works fine till it reaches to the line bytes=j.encode(bitmapData); after that nothing happens and my program just goes into limbo Please help

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• Getting data into an input field from YUI Calendar with multi-select:true

  - by kylex

  <script type="text/javascript"> YAHOO.util.Event.onDOMReady(function(){ YAHOO.dateSelects.exc = new YAHOO.widget.Calendar("exc","excContainer", { title:"Choose a date:", close:true, multi_select:true }); YAHOO.dateSelects.exc.render(); YAHOO.util.Event.addListener( "excshowup", "click", YAHOO.dateSelects.exc.show, YAHOO.dateSelects.exc, true ); }); </script> <div class="calendarOuterContainer"> <div id="excContainer" class="calendarContainer"></div> </div> <a id="excshowup"><img src="/images/icons/calendar.png" /></a> The preceding code generates a YUI calendar with the ability to select multiple dates on one calendar. What I am having trouble figuring out is how to capture that data and place it inside a text input tag on the fly. So when a person clicks the close button, all the selected dates are populated inside the input tag. Suggestions?

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• How do I mimic Windows Explorer multi-select/drag-n-drop behavior in a DataGridView?

  - by bsh152s

  I'm trying to mimic the way Windows Explorer handles multiple selection. In a default DataGridView, you can select multiple items using Ctrl-click. But if you release the Ctrl key and then try and drag/drop the selected items, it clears the selected items and only selects the "hit" row. I found the following solution somewhere online. protected override OnMouseDown(MouseEventArgs e) { int hitRowIndex = HitTest(e.X, e.Y).RowIndex; if(!SelectedRows.Contains(Rows[hitRowIndex])) { base.OnMouseDown(); } } However, this causes other side effects. With the CTRL key pressed and mousing down on a selected item, the item remains selected. This makes sense because the mousedown event is bypassed if the row clicked on is selected. From looking at the behavior of Windows Explorer, it looks like the deselection of an item with the CTRL key held is not handled until the MouseUp event. Has anyone tried to do this?

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• IE - hidden radio button not checked when the corresponding label is clicked

  - by ScottE

  I just noticed a strange behaviour in IE7. I have radio buttons with associated labels as follows: <input type="radio" name="filter" id="filter_1" value="Activities" checked="checked" /> <label for="filter_1">Activities</label> <input type="radio" name="filter" id="filter_2" value="Services" /> <label for="filter_2">Services</label> The radio button is hidden via css with display:none or visibility: hidden (don't ask) The problem is - when I click the label in IE7 (haven't looked at other IE versions yet) the associated radio button is not actually checked. I confirmed this with jquery - the label click event is fired, but the radio button click event is not. A form post also confirms that the checked radio button does not change. This works correctly in firefox, and also works correctly if I remove the CSS that hides the radio buttons. Is this an IE bug or am I missing something?

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• Managing memory of polymorphic timed events with DLL

  - by Milo

  Here is my issue. My Gui library that I made supports timed events. Basically, I have a class called TimedEvent which users inherit from. They then do: addTimedEvent(new DerivedTimedEvent(...)); However given the nature of timed events, I manage the memory afterwards. So when the timed event has done its thing, my library calls delete on it. Although it runs fine, that is because the exe and the library were both built with msvc 2008. I think I might have trouble if I have 2 versions of the runtime, one for the lib, and one for the exe. What can I do to fix this? I can't create a factory because the derived type is on the exe side of things. I also cannot ask the user to call delete since they might not have a way to keep track of time, or know if the event was delayed for whatever reason. Thanks

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• Safari on the iPhone & iPad gives colour feedback on touch, I want to stop this.

  - by Owen

  Clicking on an element which has a Javascript handler makes the element go have a 'grey overlay'. This is normally fine but I'm using event delegation to handle the touchdown events of many child elements. Because of the delegation the 'grey overlay' is appearing over the parent element and looks bad and confusing. I could attach event handlers to the individual elements to avoid the problem but this would be computationally very wasteful. I'd rather have some webkit css property that I can override to turn it off. I already have visual feedback in my app so the 'grey overlay' is not needed. Any ideas?

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• SQL Server - Select one random record not showing duplicates

  - by Lukes123

  I have two tables, events and photos, which relate together via the 'Event_ID' column. I wish to select ONE random photo from each event and display them. How can I do this? I have the following which displays all the photos which are associated. How can I limit it to one per event? SELECT Photos.Photo_Id, Photos.Photo_Path, Photos.Event_Id, Events.Event_Title, Events.Event_StartDate, Events.Event_EndDate FROM Photos, Events WHERE Photos.Event_Id = Events.Event_Id AND Events.Event_EndDate < GETDATE() AND Events.Event_EndDate IS NOT NULL AND Events.Event_StartDate IS NOT NULL ORDER BY NEWID() Thanks Luke Stratton

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• Is an object still connected to a list after FirstOrDefault?

  - by Cynthia

  Here's my code: Event thisEvent = (from i in list where (i.eventID == eventID) select i).FirstOrDefault(); if (thisEvent != null) { thisEvent.eventResolved = resolved; thisEvent.eventSequence.Add(item); } "list" is a collection of IEnumerable, i.e. IEnumerable<Event> list; What I'm wondering is: after creating thisEvent using FirstOrDefault, is thisEvent still connected to list? In other words, when I change the two properties, eventResolved and eventSequence, is "list" actually changed, or is thisEvent just some totally disconnected copy of an item in "list"?

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• I need to add a KeyboardEvent to a movie clip in Flash cs4 AS 3.0

  - by psy-sci

  I have a movieclip called keyCButton that I want to add a keyboardEvent ("C" Key) to. This will play an animation from frames 2-30 with a sound. I have watched a few tutorials but still haven't gotten the correct information to make it work. The following is my code. stage.addEventListener(KeyboardEvent.KEY_DOWN, cNote); function cNote(event:KeyboardEvent):void { if (event.keyCode == Keyboard.SPACE) { keyCButton.gotoAndPlay(2) } } at frame 30 the code tells it to stop and then go back to frame 1 This works for the MouseEvent.CLICK but the KeyboardEvent does nothing.

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• Which filter of FileSystemWatcher do I need to use for finding new files

  - by BDotA

  So far I know that FileSystemWatcher can look into a folder and if any of the files inside that folder is changed,modifies,.etc... then we can handle it. But I am not sure which filter and event I should use in my scenario: Watch for a Folder, If a file is added to that folder, do XYZ ... So In my scenario I don't care if an existing file is changed,etc..those should be ignored...only do XYZ if and only if a new file has been added to that Folder... Which event and filter do you recommended for this scenario?

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• How to keep track for window form crashing ?

  - by Harikrishna

  I am using windows form application. There is one tiny window form which is on the main form and goes step by step for some control to indicates the functionality of each control like a tutorial.So user can understand the application. Now I want to keep track of that tiny window form like at which step user canceled it. So I can do it by writing code in the event of button cancel event of that tiny window form. But that form sometimes goes to crashed, so I want to keep track of that also, So how can I do that ?

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• IE sending through multiple unrequested requests for parent URL

  - by andyjeffries

  We have a rather large/complex web site (so it's not easy to extract portions of it). The problem we're having is that IE6/7/8 (but 6 is the worst) are sending through multiple requests for the parent of a URL (which fails, a different point). As an example, if you visited (dummy domain name obviously): http://www.example.com/view/event/123/456/78 We'd get 8-20 requests for: http://www.example.com/view/event/123/456/ appear in the Apache log. We've tried: Disabling all plugins (including toolbars, Flash, etc) Disabling scripting (e.g. Javascript) And it still sends through at least one erroneous request. We've viewed the requests through ieHttpHeaders so the browser is aware of them (i.e. it's not prefetching by the network's proxy). Any ideas? What can else could cause this?

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• jQuery blockUI and AJAX POST

  - by oompahloompah

  I am using jQuery BlockUI in a project. For a particular user action, I want to block the UI, and then POST data to the server. When the timeout event occurs OR the server returns, I want to unblock the page. I can't seem to implement this behaviour. This is what I have so far (not working) $(document).ready(function(){ $('#test').click(function(event){ $.blockUI({ message: $('#syntax-chk') }); $.ajax({ type: 'POST', url: 'www.example.com', data: somedata, dataType: "json" }); setTimeout(function() { $.unblockUI({ onUnblock: function(){ alert('onUnblock'); } }); }, 2000); }); can anyone spot what I may be doing wrong?

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• 3-Way sorting in ultragrid

  - by M_Mogharrabi

  how can i have a ultragrid with 3-way sorting on every columns? I mean : a. Ascendiing -Indicated by default ascending SortIndicator. b. Descending- Indicated by default descending SortIndicator. c. No Sort- UnSort the column. Note: I have tried BeforeSortChanged Event but i had 2 problems: I could not get the previous column sort indicator to find out when should i disable sorting. I have got an Exception where it is saying that we can't change SortIndicator in BeforeSortChange Event

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• Android: Touch seriously slowing my application

  - by Jason Rogers

  Hi all, I've been raking my brains on this one for a while. when I'm running my application (opengl game) eveyrthing goes fine but when I touch the screen my application slows down quite seriously (not noticeable on powerful phones like the nexus one, but on the htc magic it gets quite annoying). I did a trace and found out that the touch events seem to be handled in a different thread and even if it doesn't take so much processing time I think androids ability to switch between threads is not so good... What is the best way to handle touch when speed is an issue ? Currently I'm using : in the GLSurfaceView @Override public boolean onTouchEvent(MotionEvent event) { GameHandler.onTouchEvent(event); return true; } Any ideas are welcome

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• Hide start time in FullCalendar

  - by Theo

  On FullCalendar, in the month view, is there a way to hide an event's start time?

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• SQL Query to select upcoming events with a start and end date

  - by Chris T

  I need to display upcoming events from a database. The problem is when I use the query I'm currently using any events with a start day that has passed will show up lower on the list of upcoming events regardless of the fact that they are current My table (yaml): columns: title: type: string(255) notnull: true default: Untitled Event start_time: type: time end_time: type: time start_day: type: date notnull: true end_day: type: date description: type: string(500) default: This event has no description category_id: integer My query (doctrine): $results = Doctrine_Query::create() ->from("sfEventItem e, e.Category c") ->select("e.title, e.start_day, e.description, e.category_id, e.slug") ->addSelect("c.title, c.slug") ->orderBy("e.start_day, e.start_time, e.title") ->limit(5) ->execute(array(), Doctrine_Core::HYDRATE_ARRAY); Basically I'd like any events that is currently going on (so if today is in between start_day and end_day) to be at the top of the list. How would I go about doing this if it's even possible? Raw sql queries are good answers too because they're pretty easy to turn into DQL.

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• Get all descendants types of base class

  - by user1260827

  I have a base class called BaseEvent and several descendants classes: public class BaseEvent { // the some properties ... } [MapInheritance(MapInheritanceType.ParentTable)] public class Film : BaseEvent { // the some properties ... } [MapInheritance(MapInheritanceType.ParentTable)] public class Concert : BaseEvent { // the some properties ... } I have a code which create the BaseEvent instance at runtime: BaseEvent event = new BaseEvent(); //assign values for a properties ... baseEvent.XPObjectType = Database.XPObjectTypes.SingleOrDefault(t => t.TypeName == "MyApp.Module.BO.Events.BaseEvent"); Now, this event will be shows in BaseEvent list view. I want to do the following: when a user click Edit button then show in list view lookup field with all descendants types. And when user saves record change ObjectType to selected value. How can I do this? Thanks. PS. this is asp.net app.

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• How to invert arrow image placed before the first cell when tableview cells are swiped beyond first

  - by neha

  Hi all, In my application, I need to add this functionality that there should be an arrow image upside down placed before first cell and some text like "Pull down to refresh" and when user pulls the table beyond this then this arrow gets inverted and text changes to "Release to refresh" and when the user releases his finger, the data is refreshed and rows get added to that point So now this initial arrow and text moves upwards before the first cell again. Can anybody tell me wheather there's any event that does this? Or else which event I need to capture in order to add this functionality? Thanks in advance.

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