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  • MVVM and Animations in Silverlight

    - by Aligned
    I wanted to spin an icon to show progress to my user while some content was downloading. I'm using MVVM (aren't you) and made a satisfactory Storyboard to spin the icon. However, it took longer than expected to trigger that animation from my ViewModel's property.I used a combination of the GoToState action and the DataTrigger from the Microsoft.Expression.Interactions dll as described here.Then I had problems getting it to start until I found this approach that saved the day. The DataTrigger didn't bind right away because "it doesn’t change visual state on load is because the StateTarget property of the GotoStateAction is null at the time the DataTrigger fires.". Here's my XAML, hopefully you can fill in the rest.<Image x:Name="StatusIcon" AutomationProperties.AutomationId="StatusIcon" Width="16" Height="16" Stretch="Fill" Source="inProgress.png" ToolTipService.ToolTip="{Binding StatusTooltip}"> <i:Interaction.Triggers> <utilitiesBehaviors:DataTriggerWhichFiresOnLoad Value="True" Binding="{Binding IsDownloading, Mode=OneWay, TargetNullValue=True}"> <ei:GoToStateAction StateName="Downloading" /> </utilitiesBehaviors:DataTriggerWhichFiresOnLoad> <utilitiesBehaviors:DataTriggerWhichFiresOnLoad Value="False" Binding="{Binding IsDownloading, Mode=OneWay, TargetNullValue=True}"> <ei:GoToStateAction StateName="Complete"/> </utilitiesBehaviors:DataTriggerWhichFiresOnLoad> </i:Interaction.Triggers> <Image.Projection> <PlaneProjection/> </Image.Projection> <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="VisualStateGroup"> <VisualStateGroup.Transitions> <VisualTransition GeneratedDuration="0" To="Downloading"> <VisualTransition.GeneratedEasingFunction> <QuadraticEase EasingMode="EaseInOut"/> </VisualTransition.GeneratedEasingFunction> <Storyboard RepeatBehavior="Forever"> <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Projection).(PlaneProjection.RotationZ)" Storyboard.TargetName="StatusIcon"> <EasingDoubleKeyFrame KeyTime="0:0:1.5" Value="-360"/> <EasingDoubleKeyFrame KeyTime="0:0:2" Value="-360"/> </DoubleAnimationUsingKeyFrames> </Storyboard> </VisualTransition> <VisualTransition From="Downloading" GeneratedDuration="0"/> </VisualStateGroup.Transitions> <VisualState x:Name="Downloading"/> <VisualState x:Name="Complete"/> </VisualStateGroup> </VisualStateManager.VisualStateGroups></Image>MVVMAnimations.zip

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  • How to get a Read-Write Reference to Parent GameObject from a script component attached to it?

    - by onguarde
    I have a game object(object) with a script component(myscript) attached. I have a reference to myscript component through getComponent, and I want to change the transform of the gameObject the script is attached to. myscript.gameObject.transform = (new value); The above code gives me error, Property 'UnityEngine.GameObject.transform' is read only. Is there a way to get a read-write version?

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  • Automatic highlighting of text in thunderbird

    - by m000
    In days with large email influx, some emails tend to slip out of my attention. Usually these are email where I am not the primary recipient, but I am referenced at some point as having to perform some action. This point may occur after several responses to a thread. E.g.: Hello B, Hello A, Dear all, Could someone give me feedback on document X? Thanks, A. Please find my remarks below: ... Best, B. Thank you for the feedback. I have incorporated it in the document. C, can you make a final proof-reading pass and post it online? Thanks, A. Is there a way in thunderbird to highlight the sentence/paragraph where my name ("C" in this example) or some other configurable keyword occurs, so that I can easily check if I have to take action? Note that I am looking for a way to identify the part of the message that directly concerns me and not which messages concern me. So, filters/tags won't really help.

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  • Excel 2010 -Excel cannot complete this task with available resources

    - by Jestep
    Getting this error when trying to sort a document (Excel cannot complete this task with available resources). Document isn't particularly large, about 4,000 lines. Can't seem to figure out why this would start on this. I can sort this same file fine on everything back to Excel 2000 on older crappy computers. Computer is running Win 7 x64, 16 Gb RAM, and another 16 Gb of virtual. There's no possible way that all of the memory is actually getting exhausted when I can perform this on an older XP machine with 512 Mb of RAM, unless 2010's memory usage is inconceivably poorly designed. I found a few posts on forums stating that there might be a security update related bug. Any suggestions would be appreciated.

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  • Persian font in Netbeans cause speed reduction

    - by linker
    I have speed problem in Netbeans 7.0 IDE when my current open document has any Persian font inside it. If it happens, the speed of software incredibly reduce.( for example if I hit backspace, it takes about 10 seconds to respond). The amazing part is when I open a fully english document in Netbeans there is no problem and everything works well. I'm running netbeans 7.0 on Mac OS X 10.7.2. This problem happens with every fonts( even with fully Persian fonts). But I really want to have Persian with default Monospaced font. Thanks in advance.

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  • How to better explain complex software process in software specs?

    - by Lostsoul
    I'm really struggling with my software specs. I am not a professional programmer but enjoy doing it for fun and made some software that I want to sell later but I'm not happy with the code quality. So I wanted to hire a real developer to rewrite my software in a more professional way so it will be maintainable by other developers in the future. I read and found some sample specs and made my own by applying their structure to my document and wanted to get my developer friend to read it and give me advice. After an hour and a half he understood exactly what I was trying to do and how I did it(my algorithms,stack,etc.). How can I get better at explaining things to developers? I add many details and explanations for everything(including working code) but I'm unsure the best way I can learn to pass detailed domain knowledge(my software applies big data, machine learning, graph theory to finance). My end goal is to get them to understand as much as possible from the document and then ask anything they do not understand, but right now it seems they need to extract alot of information from me. How can I get better at communicating domain knowledge to developers?

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  • WPF4 Unleashed - how does converting child elements work?

    - by Kapol
    In chapter 2 of the book WPF4 Unleashed the author shows an example of how XAML processes type conversion. He states that <SolidColorBrush>White</SolidColorBrush> is equivalent to <SolidColorBrush Color="White"/> , because a string can be converted into a SolidColorBrush object. But how is that enough? It doesn't make sense to me. How does XAML know to which property should the value White be assigned?

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  • How do I find all text with particular background color?

    - by Dave M G
    I have a LibreOffice Writer document that has undergone a process of editing, and sections of the text that needed to be rewritten were highlighted in yellow. As I fixed those sections, I removed the yellow highlight. Now, I want to make sure there are no remaining areas of highlighted text that have not been fixed or possibly the highlight was not removed. It's many hundreds of pages, so a manual scan is unfeasible. Also, it might be that one space or one character got accidentally left highlighted, and I want to ensure I've accounted for them all. How can I search the document to find all instances where text has been highlighted?

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  • JCP 2.9 and Transparency Call for Spec Leads 9 November

    - by heathervc
    JCP Spec Leads are invited to participate in an online meeting/call this Friday, 9 November, to hear a talk about the the 2.9 version of the Java Community Process (effective date of 13 November) and discuss the changes with representatives of the Program Management Office.  This call will be recorded and published with materials for those not able to attend.  Details of the call are included below.JCP 2.9 is presented in two documents:The JCP 2.9 document:http://www.jcp.org/en/procedures/jcp2and the EC Standing Rules document:http://www.jcp.org/en/procedures/ec_standing_rulesIn addition, we will be reviewing ways to collect community feedback on the transparency requirements for JCP 2.7 and above JSRs (JCP 2.8, JCP 2.9), detailed as part of the Spec Lead Guide.Call details:Topic: JCP 2.9 and Transparency Date: Friday, November 9, 2012 Time: 9:00 am, Pacific Standard Time (San Francisco, GMT-08:00) Meeting Number: 800 623 574 Meeting Password: 5282 ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://jcp.webex.com/jcp/j.php?ED=188925347&UID=491098062&PW=NMDZiYTQzZmE1&RT=MiM0 ------------------------------------------------------- Audio conference information ------------------------------------------------------- Toll-Free Dial-In Number:     866 682-4770 International (Toll) Dial-In Number:     408 774-4073 Conference code 9454597 Security code 1020 Outside the US: global access numbers   https://www.intercallonline.com/portlets/scheduling/viewNumbers/listNumbersByCode.do?confCode=6279803

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  • Apache not serving pages stored in Subversion repository

    - by Stephen
    I've setup Apache and Subversion on an old PC, but Apache is not serving pages correctly, when I enter the address to my test site: http://HOME_IP_ADDRESS/test/index.html I just get a File Not Found error and the following output in the error log: File does not exist: /var/www/html/svn/repos/test but I know the file exists, when I enter the following URL into the browser: http://HOME_IP_ADDRESS/repos/test/index.html I just get a listing of the HTML. In my Apache config file I have the Document Root set as follows: DocumentRoot "/var/www/html/svn/repos" so I'm not sure what is going on, I have SVN installed and I think it may have something to do this. Edit * I changed the Document Root location, which helped as pages in the new location were served correctly, so the problem is with just serving the pages from the repository.

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  • Classic vs universal and loss of historical data

    - by iss42
    I'm keen to use some of the new features in Google Universal Analytics. I have an old site though that I don't want to lose the historical data for. The comparisons with historical data are interesting for example. However Google doesn't appear to allow you to change a property from the classic code to the new code. Am I missing something? I'm surprised this isn't a bigger issue for many other users.

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  • Is the Observer pattern adequate for this kind of scenario?

    - by Omega
    I'm creating a simple game development framework with Ruby. There is a node system. A node is a game entity, and it has position. It can have children nodes (and one parent node). Children are always drawn relatively to their parent. Nodes have a @position field. Anyone can modify it. When such position is modified, the node must update its children accordingly to properly draw them relatively to it. @position contains a Point instance (a class with x and y properties, plus some other useful methods). I need to know when a node's @position's state changes, so I can tell the node to update its children. This is easy if the programmer does something like this: @node.position = Point.new(300,300) Because it is equivalent to calling this: # Code in the Node class def position=(newValue) @position = newValue update_my_children # <--- I know that the position changed end But, I'm lost when this happens: @node.position.x = 300 The only one that knows that the position changed is the Point instance stored in the @position property of the node. But I need the node to be notified! It was at this point that I considered the Observer pattern. Basically, Point is now observable. When a node's position property is given a new Point instance (through the assignment operator), it will stop observing the previous Point it had (if any), and start observing the new one. When a Point instance gets a state change, all observers (the node owning it) will be notified, so now my node can update its children when the position changes. A problem is when this happens: @someNode.position = @anotherNode.position This means that two nodes are observing the same point. If I change one of the node's position, the other would change as well. To fix this, when a position is assigned, I plan to create a new Point instance, copy the passed argument's x and y, and store my newly created point instead of storing the passed one. Another problem I fear is this: somePoint = @node.position somePoint.x = 500 This would, technically, modify @node's position. I'm not sure if anyone would be expecting that behavior. I'm under the impression that people see Point as some kind of primitive rather than an actual object. Is this approach even reasonable? Reasons I'm feeling skeptical: I've heard that the Observer pattern should be used with, well, many observers. Technically, in this scenario there is only one observer at a time. When assigning a node's position as another's (@someNode.position = @anotherNode.position), where I create a whole new instance rather than storing the passed point, it feels hackish, or even inefficient.

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  • Screen refresh/display problem in Xubuntu 14.04

    - by user286328
    I have just installed Xubuntu 14.04 as a dual boot on a desk top (Pentium R 4 CPU, 2.66 GHZ, 2G RAM) running XP home edition. In some situations when in Xubuntu I am having what seem to be screen refresh problems. When I open File Manager or Settings Manager the text names of various apps display but most of the icons do not. Moving the mouse over an app name generally causes the icon to appear, but it often vanishes once the mouse pointer is moved. This issue occurs irrespective of the view setting. Icons appear fine in the menu that comes up when I right click in the desktop, and in the menu that comes up when I click the mouse icon at top left. What I suspect is a related issue. In Abiword text sometimes fades, disappears or does not display immediately when I type, or text of the whole document fades. It then comes back or darkens if I left click a few times on the text. If I scroll through a document the text often fades and may remain faded until I left click a few times.

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  • Deploy multiple django instances on one Host [migrated]

    - by tvn
    I am trying to setup multiple Django instances on one Host with lighttpd. My problem is to get Djangos FCGI working on subdirectories served by my Webserver. So my aim is the following: www.myhost.org/django0 - django1.fcgi on localhost:3000 www.myhost.org/django1 - django2.fcgi on localhost:3001 www.myhost.org/django2 - django3.fcgi on localhost:3002 Unfortunately the following configuration doesn't even work for one: $HTTP["url"] =~ "^/django0/static($|/)" { server.document-root = "/home/django0/django/static/" } $HTTP["url"] =~ "^/django0/media($|/)" { server.document-root = "/usr/lib/python2.7/dist-packages/django/contrib/admin/media/" } $HTTP["url"] =~ "^/django0($|/)" { proxy.server = ( "" => ( ( "host" => "127.0.0.1", "port" => "3001", "check-local" => "disable", ) ) ) } The only response I get is an 404 and even this takes a long time till I get this. I found nothing suspicious neither in the access.log nor in the error.log.

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  • ssl problems between two tomcat servers

    - by user1058410
    I've got one tomcat 7 server(kind of like a web server) trying to talk to a tomcat 6 server(acting as a document server on another machine) over ssl and keep getting this error java.security.cert.CertificateException: No name matching rarity64 found. Where rarity64 is the name of the document server. I've tried exporting keys from both tomcats keystores and importing them into the others keystores using java keytool. I've even tried adding them to the other machines cacerts keystore. I've also used internet explorer to import both keys into the other machine. But nothing I try works. If it matters the real webserver is IIS 7.5, which the tomcat "webserver" talks too with arr, and they don't use SSL. But the problem seems to between the two tomcat servers

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  • PDF to Image Conversion in Java

    - by Geertjan
    In the past, I created a NetBeans plugin for loading images as slides into NetBeans IDE. That means you had to manually create an image from each slide first. So, this time, I took it a step further. You can choose a PDF file, which is then automatically converted to an image for each page, each of which is presented as a node that can be clicked to open the slide in the main window. As you can see, the remaining problem is font rendering. Currently I'm using PDFBox. Any alternatives that render font better? This is the createKeys method of the child factory, ideally it would be replaced by code from some other library that handles font rendering better: @Override protected boolean createKeys(List<ImageObject> list) { mylist = new ArrayList<ImageObject>(); try { if (file != null) { ProgressHandle handle = ProgressHandleFactory.createHandle( "Creating images from " + file.getPath()); handle.start(); PDDocument document = PDDocument.load(file); List<PDPage> pages = document.getDocumentCatalog().getAllPages(); for (int i = 0; i < pages.size(); i++) { PDPage pDPage = pages.get(i); mylist.add(new ImageObject(pDPage.convertToImage(), i)); } handle.finish(); } list.addAll(mylist); } catch (IOException ex) { Exceptions.printStackTrace(ex); } return true; } The import statements from PDFBox are as follows: import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage;

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  • How can I get better at explaining complex software processes to developers?

    - by Lostsoul
    I'm really struggling with my software specs. I am not a professional programmer but enjoy doing it for fun and made some software that I want to sell later but I'm not happy with the code quality. So I wanted to hire a real developer to rewrite my software in a more professional way so it will be maintainable by other developers in the future. I read and found some sample specs and made my own by applying their structure to my document and wanted to get my developer friend to read it and give me advice. After an hour and a half he understood exactly what I was trying to do and how I did it(my algorithms,stack,etc.). How can I get better at explaining things to developers? I add many details and explanations for everything(including working code) but I'm unsure the best way I can learn to pass detailed domain knowledge(my software applies big data, machine learning, graph theory to finance). My end goal is to get them to understand as much as possible from the document and then ask anything they do not understand, but right now it seems they need to extract alot of information from me. How can I get better at communicating domain knowledge to developers?

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  • Word 2010 doc skips pages

    - by Sarah
    A Word document with 9 pages, 3 section brakes next page (no odd and even breaks used) and inserted page numbers shows the correct sequence of pages when moving thru the document. When I change the page numbers in section 2 to start from 1 (Section 1 is only one page numbered with a roman numeral.) Then two strange things happen: The sequence in the status bar goes from 1 to 3. Page 2 disappeared (no text is missing) and my total number of pages reads 10 when i actually only have 9. The first page has a table of contents. Page 2 is listed, but when I press ctrl + click the shortcut it goes to page 4?

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  • Is this a valid implementation of the repository pattern?

    - by user1578653
    I've been reading up about the repository pattern, with a view to implementing it in my own application. Almost all examples I've found on the internet use some kind of existing framework rather than showing how to implement it 'from scratch'. Here's my first thoughts of how I might implement it - I was wondering if anyone could advise me on whether this is correct? I have two tables, named CONTAINERS and BITS. Each CONTAINER can contain any number of BITs. I represent them as two classes: class Container{ private $bits; private $id; //...and a property for each column in the table... public function __construct(){ $this->bits = array(); } public function addBit($bit){ $this->bits[] = $bit; } //...getters and setters... } class Bit{ //some properties, methods etc... } Each class will have a property for each column in its respective table. I then have a couple of 'repositories' which handle things to do with saving/retrieving these objects from the database: //repository to control saving/retrieving Containers from the database class ContainerRepository{ //inject the bit repository for use later public function __construct($bitRepo){ $this->bitRepo = $bitRepo; } public function getById($id){ //talk directly to Oracle here to all column data into the object //get all the bits in the container $bits = $this->bitRepo->getByContainerId($id); foreach($bits as $bit){ $container->addBit($bit); } //return an instance of Container } public function persist($container){ //talk directly to Oracle here to save it to the database //if its ID is NULL, create a new container in database, otherwise update the existing one //use BitRepository to save each of the Bits inside the Container $bitRepo = $this->bitRepo; foreach($container->bits as $bit){ $bitRepo->persist($bit); } } } //repository to control saving/retrieving Bits from the database class BitRepository{ public function getById($id){} public function getByContainerId($containerId){} public function persist($bit){} } Therefore, the code I would use to get an instance of Container from the database would be: $bitRepo = new BitRepository(); $containerRepo = new ContainerRepository($bitRepo); $container = $containerRepo->getById($id); Or to create a new one and save to the database: $bitRepo = new BitRepository(); $containerRepo = new ContainerRepository($bitRepo); $container = new Container(); $container->setSomeProperty(1); $bit = new Bit(); $container->addBit($bit); $containerRepo->persist($container); Can someone advise me as to whether I have implemented this pattern correctly? Thanks!

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  • SQL Server 2008 System Functions to Monitor the Instance, Database, Files, etc.

    SQL Server provides several system meta data functions which allow users to obtain property values of different SQL Server objects and securables. Although you can also use the SQL Server catalog views or Dynamic Management Views to obtain much of this information, in some circumstances the system meta data functions simplify the process. In this tip I am going to demonstrate some of the available system meta data functions and their usage in different scenarios.

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  • jquery is not working over local network [migrated]

    - by Kortyell Davis
    i have a fedora server running apache web server. the server is connected to a home network. i have a laptop connected to the same network. i can enter the ip address of my server into the browser of my laptop and pull up the index.html file located in the document root directory of the fedora home server. the index.html file contains jquery code. the jquery code only works when i open it locally in my browser (e.g. right click open with firefox), but when i attempt to view the webpage from my laptop the jquery code is not executed. the code is here below. <script type="text/javascript" src="jquery-1.8.2.js"></script> ' $(document).ready(function() { $('#form').hide(); $('input[type=text]').focus(function() { $(this).val(''); }); $('input[type=password]').focus(function() { $(this).val(''); }); $('.form').hide(); $('#log').click(function(){ $('#form').toggle(); }); $('#reg').click(function(){ $('.form').toggle(); }); });

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  • Batch print, reprint and scan

    - by Nikita K. Tsarov
    I am using ubuntu 13.10 with Epson wireless scanner/printer/fax WF 2540(It has an automatic document feeder- ADF). What I am trying to achieve is to be able to print with confidence over already populated A4 pages(hand drawn or otherwise). The idea is to get a batch of A4 pages grouped in a particular order and have them batch printed on specific parts of each page ,viewed on screen and edit/processed page by page. My idea was to batch scan the documents in order and display each scanned page to use that to judge/fit on-screen the coordinates for the output of each pages image... The easiest way to explain this is to look at these slide : https://drive.google.com/file/d/0B0Kuhf6iBidTNUl3U1NtT0pGbnc/edit?usp=sharing I would like to have this automated as much as possible using this printer but I am open to other suggestions. Are there any other better printers that can automatically scan and print at the document that is being scanned...with an accurate positioning in relation to elements already printed on the page?? Are there any other forums I should be asking and looking for answer/suggestions on my case/dilema??

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