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• How can I change resolution of "my video" in Skype?

  - by koushik

  I have a logitech Quickcam Pro 9000 connected to my ubuntu desktop and it works fine with Skype. However, Skype inputs and sends my video at the native (for the webcam I think) resolution of 1600 x 1200. I can confirm that the camera supports a wide variety of resolutions starting from 160 x 120 upto 1600 x 1200 (including e.g., 320 x 240, 352 x 288) using cheese. I can select these resolutions and see the output is appropriately scaled. Also, I don't see any improvements in smoothness of motion in the captured video so I suspect the original 1600 x 1200 is scaled down in the path somewhere. Is it possible to somehow to enable this scaling capability towards Skype?

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• LibreOffice prints everything half size

  - by oldmankit

  Ever since I printed a document from Evince in landscape orientation, LibreOffice Calc / Writer refuses to print anything correctly. It is scaling everything by 0.5x and rotating it. To get the same effect, go to print - page layout tab - pages per sheet = 2. However, I don't want 2. I want 1. I have wizzed through all of the printing options a few times but can't get to the bottom of this. I've restarted my printer and computer several times. I have done sudo apt-get purge libreoffice* and reinstalled again. Still it will not print full size. (Of course I have checked that the page settings are set to A4 and portrait.) Update: this problem is specific to one printer only, to printing from within LibreOffice (Calc, Writer). With other printers / programs I have no problems.

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• Faking Display tree (Sprite) parent child relationships with rasters (BitmapData) in ActionScript 3

  - by Arthur Wulf White

  I am working with Rasters (bitmapData) and blliting (copypixels) in a 2d-game in actionscript 3. I like how you can move a sprite and it moves all it's children, and you can simultaneously move the children creating an interesting visual effect. I do not want to use rotation or scaling however cause I do not know how that can be done without hampering with performance. So I'm not simulating Sprite parent-child behavior and sticking to the movement on the (x, y) axis. What I am planning to do is create a class called RasterContainer which extends bitmapData that has a vector of children of type Raster(extending bitmapData), now I am planning to implement recursive rendering in RasterContainer, that basically copyPixels every child, only changing their (x, y) offset to reflect their parent's offset. My question is, has this been implemented in an existing framework? Is this a good plan? Do I expect a serious performance hit for using recursive methods this way?

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• Importing synaptics settings

  - by Marcus

  I've got a Samsung Series 5 Chromebook which I've installed Ubuntu on. In Chrome OS the clickpad is working great but in ubuntu it hasn't got the same settings so I'm having problems with selcting text. I managed to find the setting in Chrome OS, it's 120 about lines of settings looking like this: Device 'SynPS/2 Synaptics TouchPad': Device Enabled (131): 1 Coordinate Transformation Matrix (133): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 Device Accel Profile (265): -1 Device Accel Constant Deceleration (266): 1.000000 Device Accel Adaptive Deceleration (267): 1.000000 Device Accel Velocity Scaling (268): 10.000000 Device Node (250): "/dev/input/event6" Now I would like to import these settings to Ubuntu. Is that possible?

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• Customizing Gnome Shell in 11.10

  - by gentmatt

  Since Unity on my old MBP is not that snappy, I really want to change my GUI to Gnome Shell. However, I've really been struggeling with the customization of Gnome Shell. Can you help me with the following: Is is possible to have the dock on the screen all the time? Can I enable 'hot corners' for features like 'scaling' in compiz? Is there a ccsm-like GUI configuration tool? Can I enable wobbly windows in Gnome Shell? How do I change the shortcut for the WIN-KEY to start this 'Gnome-Mission-Control' (by that I mean this thing u see when going to the top left corner). Thank you.

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• Pooling (Singleton) Objects Against Connection Pools

  - by kolossus

  Given the following scenario A canned enterprise application that maintains its own connection pool A homegrown client application to the enterprise app. This app is built using Spring framework, with the DAO pattern While I may have a simplistic view of this, I think the following line of thinking is sound: Having a fixed pool of DAO objects, holding on to connection objects from the pool. Clearly, the pool should be capable of scaling up (or down depending on need) and the connection objects must outnumber the DAOs by a healthy margin. Good Instantiating brand new DAOs for every request to access the enterprise app; each DAO will attempt to grab a connection from the pool and release it when it's done. Bad Since these are service objects, there will be no (mutable) state held by the objects (reduced risk of concurrency issues) I also think that with #1, there should be little to no resource contention, while in #2, there'll almost always be a DAO waiting to be serviced. Is my thinking correct and what could go wrong?

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• How much isometric sprites can one optimize by mirroring and alike?

  - by Tom

  I am working on a basic isometric game, and am struggling to find the correct mirrors. I have managed to get SE out of SW, by scaling the sprite on X axis by -1. Same applies for NE angle. Something is bugging me, that I should be able to also mirror N to S, but I cannot manage to pull this one off. Am I just too sleepy and trying to do the impossible, or a basic -1 scale on Y axis is not enough? What are the common used mirror table for optimizing 8 angle (N, NE, E, SE, S, SW, W, NW) isometric sprites?

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• Y Axis inverted on vertex output

  - by Yonathan Klijnsma

  I've got my project running and somehow it seems my vertex y components are inverted. 10 in the positive on Y goes down and 10 negative on the Y axis goes up. I can't find anything with the initialization and I am not doing any negative scaling in the view matrix. I've never had something like this happen before, does anyone have some tips or things to look for ? How I am sending verteces to the GPU ( Currently intermediate mode ) glVertex3f( x_pos_n, 10, z_pos ); I am using CG in the project but even without shaders the Y axis seems to be inverted.

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• Change the scale-policy of OpenGL ES in Android?

  - by wanting252

  I currently develop a game for Android in OpenGL ES 1.0, use libgdx library. I target the 720x480 screen size. For example, I design only one arts pack for 720x480. And what will happen in Android phones with screen-size smaller or bigger than it, 480x320 for instance? Could you please tell me how to change the scale-policy of OpenGL ES in Android? Or in libgdx specially? Is there anything like "Resample Image" like photoshop?(Nearest Neighbor, Bilinear, Bicubic etc..) for libgdx? Edit: I found some tutorials about texture filter in OpenGL, test it with Linear and Nearest. Linear is good for scaling but slow down the game, and Nearest is on the contrary. What should I do to get a balance between those?

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• Dartisans ep 15 - A re-introduction to Dart Editor for the first time, again.

  Dartisans ep 15 - A re-introduction to Dart Editor for the first time, again. You've seen Dart Editor before, but not like this. Well, maybe you have. If you are new to Dart, you'll be amazed at how many features are in the editor. I'll show off features like code completion, code navigation, debugging, and more. When scaling up to hundreds of thousands of lines of code, you'll be very happy you have a tool that can watch your back. For more info on Dart, please visit www.dartlang.org From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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• Is there a way to specify a CSS3 transition to occur only on :hover and when returning from hover, not on every event? [closed]

  - by Steve

  You could define the transition on the :hover event, which causes the browser to render only the effect into the hover and not out of it. a:hover { transition... } Using scale as an example, an image being scaled up would scale up on hover, but go straight back down without any transition when the cursor leaves the image. Or, you can set the transition on the element directly: a { transition... } Which by definition means any change that effects the scale of the element such as any developer set styles will work, but also the user zooming in and out the page, will cause there to be a transition. All the tutorials being spewed onto the internet at the moment point to using the latter, but wouldn't one consider this a usability flaw for anyone wanting to resize the page or taking any other action that may cause similar scenarios? Pages with large amounts of transitional hover scaling can go pretty mental if you zoom in and out of them.

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• Connect divs with (non-straight) lines [migrated]

  - by Snailer

  I'd like to develop my site with a layout that looks somewhat like houses with connected plumbing, or multiple computers connected to a network. Basically, the will be boxes floating in space, with lines connecting some of the boxes. I'd like these lines to have some turns in them as well (just simple 90 degree corners) rather than just a straight line. My question is what is the best way to achieve this, and perhaps a small example. My thoughts were to use: PHP and CSS: I could create a background grid and then, with some complicated algorithms, draw paths using the grid's borders. This would be more dynamic, but I'm not sure I can plot the math all by myself. just CSS: Perhaps this is as simple as making some pre-drawn lines like L-shapes and T-junctions, then just placing and scaling them. But I don't believe there's a way to scale an image by slicing it.. so the line width would be scaled and thus each image would look different. Any thoughts?

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• XNA 4.0 - container with content, that can slide (C#)

  - by DijkeMark

  I got an idea, but I got no idea on how to make it. Okay, so here is the deal. I want a container which can contain certain objects (These objects will draw the sprites/graphics). But because of different screen sizes, I want to be able to scale the containers width and height. But I do not want the objects in the container, that go outside of the container, because of the scaling to be visible. Because I want the objects all to be positioned horizontaly to eachother and I want a horizontal sliderbar, so I can slide from left to right within the container. I wonder if anyone could point me in the right direction. Thanks in Advance, Mark

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• Getting Error System.Runtime.InteropServices.COMException

  - by Savan Parmar

  Hey All, I am using Vb.Net to Create Labels in Microsoft. For that i am using below mantioend Code. Public Sub CreateLabel(ByVal StrFilter As String, ByVal Path As String) WordApp = CreateObject("Word.Application") ''Add a new document. WordDoc = WordApp.Documents.Add() Dim oConn As SqlConnection = New SqlConnection(connSTR) oConn.Open() Dim oCmd As SqlCommand Dim oDR As SqlDataReader oCmd = New SqlCommand(StrFilter, oConn) oDR = oCmd.ExecuteReader Dim intI As Integer Dim FilePath As String = "" With WordDoc.MailMerge With .Fields Do While oDR.Read For intI = 0 To oDR.FieldCount - 1 .Add(WordApp.Selection.Range, oDR.Item(intI)) Next Loop End With Dim objAutoText As Word.AutoTextEntry = WordApp.NormalTemplate.AutoTextEntries.Add("MyLabelLayout", WordDoc.Content) WordDoc.Content.Delete() .MainDocumentType = Word.WdMailMergeMainDocType.wdMailingLabels FilePath = CreateSource(StrFilter) .OpenDataSource(FilePath) Dim NewLabel As Word.CustomLabel = WordApp.MailingLabel.CustomLabels.Add("MyLabel", False) WordApp.MailingLabel.CreateNewDocument(Name:="MyLabel", Address:="", AutoText:="MyLabelLayout") objAutoText.Delete() .Destination = Word.WdMailMergeDestination.wdSendToNewDocument WordApp.Visible = True .Execute() End With oConn.Close() WordDoc.Close() End Sub Private Function CreateSource(ByVal StrFilter As String) As String Dim CnnUser As SqlConnection = New SqlConnection(connSTR) Dim sw As StreamWriter = File.CreateText("C:\Mail.Txt") Dim Path As String = "C:\Mail.Txt" Dim StrHeader As String = "" Try Dim SelectCMD As SqlCommand = New SqlCommand(StrFilter, CnnUser) Dim oDR As SqlDataReader Dim IntI As Integer SelectCMD.CommandType = CommandType.Text CnnUser.Open() oDR = SelectCMD.ExecuteReader For IntI = 0 To oDR.FieldCount - 1 StrHeader &= oDR.GetName(IntI) & " ," Next StrHeader = Mid(StrHeader, 1, Len(StrHeader) - 2) sw.WriteLine(StrHeader) sw.Flush() sw.Close() StrHeader = "" Do While oDR.Read For IntJ As Integer = 0 To oDR.FieldCount - 1 StrHeader &= oDR.GetString(IntJ) & " ," Next Loop StrHeader = Mid(StrHeader, 1, Len(StrHeader) - 2) sw = File.AppendText(Path) sw.WriteLine(StrHeader) CnnUser.Close() sw.Flush() sw.Close() Catch ex As Exception MessageBox.Show(ex.Message, "TempID", MessageBoxButtons.OK, MessageBoxIcon.Error) End Try Return Path End Function Now when i am running the programm i am getting this error.I tried hard but not able to locate what could be the problem the error is:- System.Runtime.InteropServices.COMException --Horizontal and vertical pitch must be greater than or equal to the label width and height, respectively. Even though i tried to set the Horizontal and vertical pitch programatically but it gives same err. Plz if any one can help

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• how to add a checkbox in a listview?

  - by Bugzy bug

  hello guys, i have a question, been stuck for a while, i dont know how can i add a checkbox in the list, for example if I have a list of items i want to be able to check them. my xml code is the following: <LinearLayout android:id="@+id/topLayout" android:orientation="vertical" android:layout_width="fill_parent" android:layout_centerHorizontal="true" android:layout_height="wrap_content"> </LinearLayout> <LinearLayout android:id="@+id/middleLayout" android:orientation="horizontal" android:layout_height="wrap_content" android:layout_width="fill_parent"> <LinearLayout android:id="@+id/leftMiddleLayout" android:orientation="vertical" android:layout_below="@+id/topLayout" android:layout_above="@+id/bottomLayout" android:layout_width="60px" android:layout_height="wrap_content" > <ListView android:id="@+id/checkboxList" android:layout_width="fill_parent" android:layout_height="wrap_content" ></ListView> <CheckBox android:id="@+id/checkbox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:checked="false" android:text="test"> </CheckBox> </LinearLayout> <LinearLayout android:id="@+id/rightMiddleLayout" android:orientation="vertical" android:layout_below="@+id/topLayout" android:layout_above="@+id/bottomLayout" android:layout_width="280px" android:layout_height="wrap_content" > <ListView android:id="@+id/list" android:layout_width="fill_parent" android:layout_height="wrap_content" ></ListView> <TextView android:id="@+id/text" android:layout_width="fill_parent" android:layout_height="wrap_content"/> </LinearLayout> </LinearLayout> <LinearLayout android:id="@+id/bottomLayout" android:layout_alignParentBottom="true" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingBottom="5pt" > <EditText android:id="@+id/insertNewItem" android:layout_width="220px" android:layout_height="wrap_content" /> <TextView android:layout_width="10px" android:layout_height="wrap_content" /> <Button android:id="@+id/addItemButton" android:layout_width="wrap_content" android:layout_height="fill_parent" android:text="Add Item"/> </LinearLayout> if you have any ideas please let me know, its for my academic studies :(( Thank you!

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• how to dynamically replace css?

  - by photographer

  I've got an image on the page (class='image') within the div (class='galleria_wrapper') and want to place a caption (class='caption') at the lower right corner under that image. The image could be vertical or horizontal, and making a fixed padding-right value let's say .caption<{float:right;padding-top:5px;padding-right:90px;} is not working for one or another. I need to switch on the fly padding-right value depending on horizontal or vertical image is currently on the page. I can theoretically access image's width through document.getElementByName('image').width although don't understand where to put that code. So, I probably need something like that: document.getElementByClass('caption').padding-right = (document.getElementByName('galleria_wrapper').width - document.getElementByName('image').width)/2 Where do I put this code? I do have that in my css file: .caption{float:right;padding-top:5px;} which places the caption below the image, but to far to the right (div 'galleria_wrapper' is wider than most of the images supposed to be displayed within that area). I have an img tag in the html: <img src=image title='this is caption' /></li> ...and some JavaScript which makes title displayed styled by the "caption" css definition. How do I assign variable value for the padding-right without in-advance knowledge of particular image's width?

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• How to horizontally sort divs using Sortable in JQuery

  - by Tahir Akram

  I am looking to sort my divs horizontally in a container div. I found an example on JQuery website but that is vertical sorting. I want it horizontal. I want to do it sorting in #sortable Div. Will you please guide me how can I convert this vertical sorting in horizontal manner. CSS <style type="text/css"> #draggable1 { width: 150px; height: 35px; padding: 0.5em; } #draggable2 { width: 150px; height: 35px; padding: 0.5em; } #draggable3 { width: 150px; height: 35px; padding: 0.5em; } #sortable { width: 700px; height: 35px; padding: 0.5em; } </style> JavaScript <script type="text/javascript"> $(function() { $("#sortable").sortable({ revert: true }); }); </script> HTML <div class="demo"> <div id="sortable" class="ui-state-default"> <div id = "draggable1" class="ui-state-default">Home</div> <div id = "draggable2" class="ui-state-default">Contact Us</div> <div id = "draggable3" class="ui-state-default">FAQs</div> </div> </div> Screenshot

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• Part of my layout goes upward with keyboard

  - by Burak Dede

  My android app have a layout like this when i open keyboard two imageview at the bottom of the page shows up over the keyboard , i couldnt see the problem why it goes upward with the keyboard can you help me about this ? <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" > <LinearLayout android:id="@+id/searchLinear" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@color/upperbackground"> <EditText android:id="@+id/searchBox" android:layout_alignParentTop="true" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" android:layout_margin="12dip" android:paddingLeft="35dip" android:textSize="15sp" android:background="@drawable/search_bar"/> </LinearLayout> <LinearLayout android:id="@+id/searchButtons" android:layout_below="@id/searchLinear" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center_vertical|center_horizontal" android:background="@color/upperbackground"> <ImageView android:id="@+id/btnSukela" android:layout_width="wrap_content" android:layout_height="wrap_content" android:clickable="true" android:focusable="true" android:onClick="sukelaClickEvent" android:paddingRight="8dip" android:paddingBottom="5dip" android:src="@drawable/sukela"/> <ImageView android:id="@+id/btnSearch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@+id/btnSukela" android:clickable="true" android:focusable="true" android:onClick="searchEntryClickEvent" android:paddingLeft="8dip" android:paddingBottom="5dip" android:src="@drawable/search"/> </LinearLayout> <RelativeLayout android:id="@+id/bottomLinear" android:layout_alignParentBottom="true" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center_vertical|center_horizontal" android:background="@drawable/bottom_back"> <ImageView android:id="@+id/btnToday" android:src="@drawable/today" android:background="@color/bottombackground" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="@+id/bottomLinear" android:layout_marginBottom="19dip" android:layout_centerVertical="true" android:clickable="true" android:focusable="true" android:onClick="todayClickEvent"/> <ImageView android:id="@+id/btnPopular" android:src="@drawable/popular" android:background="@color/bottombackground" android:layout_toRightOf="@+id/btnToday" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:clickable="true" android:focusable="true" android:onClick="popularClickEvent"/> </RelativeLayout> <RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_below="@+id/searchButtons" android:layout_above="@+id/bottomLinear" android:background="@color/background"> <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content"/> </RelativeLayout> </RelativeLayout>

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• Track "commands" send to WPF window by touchpad (Bamboo)

  - by Christian

  Hi, I just bought a touchpad wich allows drawing and using multitouch. The api is not supported fully by windows 7, so I have to rely on the build in config dialog. The basic features are working, so if I draw something in my WPF tool, and use both fingers to do a right click, I can e.g. change the color. What I want to do now is assign other functions to special features in WPF. Does anybody know how to find out in what way the pad communicates with the app? It works e.g. in Firefox to scroll, like it should (shown on this photo). But I do not know how to hookup the scroll event, I tried a Scrollviewer (which ignores my scroll attempts) and I also hooked up an event with the keypressed, but it does not fire (I assume the pad does not "press a key" but somehow sends the "scroll" command direclty. How can I catch that command in WPF? Thanks a lot, Chris [EDIT] I got the scroll to work, but only up and down, not left and right. It was just a stupid "listbox in scrollviewer" mistake. But still not sure about commands like ZOOM in (which is working even in paint).. Which API contains such things? [EDIT2] Funny, the zoom works in Firefox, the horizontal scrolling does not. But, in paint, the horizontal scrolling works... [EDIT 3] Just asked in the wacom forum, lets see about vendor support reaction time... http://forum.wacom.eu/viewtopic.php?f=4&t=1939 Here is a picture of the config surface to get the idea what I am talking about: (Bamboo settings, I try to catch these commands in WPF)

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• Is this possible? Overflow-y:visible with overflow-x:scroll/auto

  - by Kostrzak

  We have a problem in our team which we cannot solve :/ We made our own Grid control. When you click on the icon next to column name, the pop-up div (call it divFilter) appears and you can set filtering there. There can be dynamically generated div for each column so we can have f.e 5 divFilters in 5 different places. It works, but the only problem is that when there is for example 1-2 records on the Grid, the pop-up div will be displayed under horizontal scroll of div. We've tried with z-index but it looks like that won't work. We can set overflow:visible but we also need that horizontal scroll(our grids have up to 50 columns). We thought that we can solve it buy setting overflow-y visible and overflow-x:scroll but according to our tests and that page: http://www.brunildo.org/test/Overflowxy2.html it isn't possible(for IE7,IE8). I've also found this similar question CSS overflow-y:visible, overflow-x:scroll ,but our pop-up div must be position:absolute, because we need to position them under columns. Any ideas or workaround to it? Is it even possible to set it only with CSS without using Javascript(for dynamically changing gridview hight etc.). Thanks!!

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• How do you word wrap a RichTextField for Blackberry

  - by Kai

  I've been trying to modify a rich text field to display correctly in its half of the horizontal field. The goal is this: --------------------------- | address is | ***********| | very long | ** IMAGE **| | state, zip | ***********| --------------------------- Where address is a single string separate from the city and zip. I am modifying the address field like this: RichTextField addrField = new RichTextField(address) { public int getPreferredWidth() { return 200; } protected void layout(int maxWidth,int maxHeight) { super.layout(getPreferredWidth(),maxHeight); setExtent(getPreferredWidth(), getHeight()); } }; The results look like this: ----------------------------- | address is ve| ***********| | state, zip | ** IMAGE **| | | ***********| ----------------------------- where clearly the address is just going under the image. Both horizontal fields are static 200 pixels wide. It's not like the system wouldn't know where to wrap the address. However, I have heard it is not easy to do this and is not done automatically. I have had no success finding a direct answer online. I have found people saying you need to do it in a custom layout manager, some refer to the RichTextField API, which is of no use. But nobody actually mentions how to do it. I understand that I may need to read character by character and set where the line breaks should happen. What I don't know is how exactly to do any of this. You can't just count characters and assume each is worth 5 pixels, and you shouldn't have to. Surely there must be some way to achieve this in a way that makes sense. Any suggestions?

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• Pagination in Joomla!

  Hi every one. I'm a bit new to Joomla! and I'm building my new web site using Joomla! 1.5.8 with a template bought from RocketTheme. The long article in question is a gallery of photos, and I wanted to create a horizontal pagination nav-bar in the footer of the gallery, I just clicked pagebreak where I wanted to paginate in my article in the WYSIWYG editor and thought that it's actually all I have to do. What I got was ugly; a vertically directed navigation bar placed in the top right side of my gallery with the links to each part of the article, the all without the minimum styling. And as I see it's a table! Why not outputting a list instead of a table! (Well this is not actually my concern right now). I can understand CSS and html, but I'm not really a PHP guy, so I don't understand how to use pagination.php or pagenavigation.php! Do I have to customize one of them to have my nav-bar? What I have to do to get that horizontal nav-bar? Really thanks in advance. Wassim

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• How do I use a different image for each JQuery UI Slider handle

  - by Tom

  I'm using a JQuery UI slider which has two handles (a.k.a range slider). I know how to style the first handle: .ui-slider-horizontal .ui-slider-handle {background: white url(http://stackoverflow.com/content/img/so/vote-arrow-down.png) no-repeat scroll 50% 50%;} But how do I style the second handle differently? Using Firebug I can see Jquery does not uniquely identify each handle: <div id="hourlyRateSlider" class="ui-slider ui-slider-horizontal ui-widget ui-widget-content ui-corner-all"> <div class="ui-slider-range ui-widget-header" style="left: 26%; width: 46%;"/> <a class="ui-slider-handle ui-state-default ui-corner-all" href="#" style="left: 26%;"/> <a class="ui-slider-handle ui-state-default ui-corner-all" href="#" style="left: 72%;"/> </div> So I imagine I have to use either a CSS child selector which could be cross-browser problematic. Or I could use some JQuery trickery to add a CSS class to the second handle? Anyone done this in a neat way before?

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• WPF - expander Collapsed event being triggered by child controls with validation

  - by Shaboboo

  I have an expander that contains an ItemsControl. The items in the itemsControl are templated, some have textboxes in them, others have checkboxes. Both have bindings that cause validation. The styling and validation is working as expected. The problem is when I first expand the expander and cause a change to either control, the expander collapses again, this is not what I want. If I repeat this a second time this does not happen. I'm not sure what is triggering this strange behaviour. I've tried setting the focus to the itemsControl when the expander expands with no luck. What is differnt the second time it's expanded? Could it be the validation? Any Ideas? XAML: <Expander Header="{Binding SubSectionName}" Padding="0" > <ItemsControl ItemsSource="{Binding ConfigSubSectionSettings}" ItemTemplateSelector="{StaticResource Settings_Selector}" /> </Expander> <!-- Templates selected by the ItemTemplateSelector --> <DataTemplate x:Key="subSection_Bool"> <StackPanel Orientation="Horizontal"> <TextBlock x:Name="lbl" Text="{Binding SubSectionName}" > <CheckBox x:Name="chk" IsChecked="{Binding BoolValue, ValidatesOnDataErrors=True}" VerticalAlignment="Center" Margin="2" > </StackPanel > </DataTemplate> <DataTemplate x:Key="subSection_Text"> <StackPanel Orientation="Horizontal"> <TextBlock x:Name="lbl" Text="{Binding SubSectionName}" /> <TextBox x:Name="txt" VerticalAlignment="Center" Text="{Binding StringValue, ValidatesOnDataErrors=True}" /> </StackPanel> </DataTemplate>

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• Linq to find pair of points with longest length?

  - by Chris

  I have the following code: foreach (Tuple<Point, Point> pair in pointsCollection) { var points = new List<Point>() { pair.Value1, pair.Value2 }; } Within this foreach, I would like to be able to determine which pair of points has the most significant length between the coordinates for each point within the pair. So, let's say that points are made up of the following pairs: (1) var points = new List<Point>() { new Point(0,100), new Point(100,100) }; (2) var points = new List<Point>() { new Point(150,100), new Point(200,100) }; So I have two sets of pairs, mentioned above. They both will plot a horizontal line. I am interested in knowing what the best approach would be to find the pair of points that have the greatest distance between, them, whether it is vertically or horizontally. In the two examples above, the first pair of points has a difference of 100 between the X coordinate, so that would be the point with the most significant difference. But if I have a collection of pairs of points, where some points will plot a vertical line, some points will plot a horizontal line, what would be the best approach for retrieving the pair from the set of points whose difference, again vertically or horizontally, is the greatest among all of the points in the collection? Thanks! Chris

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