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• What learning habits can you suggest?

  - by Asaf R

  Hi, Our profession often requires deep learning; sitting down and reading, and understanding. I'm currently undergoing an exam period, and I'm looking for ways to learn more effectively. I'm not asking about what to learn, or whether to prefer blogs over books, etc. My question is much more physical than that - What do you do when need to study, and I mean study hard? I'm looking for answers such as I slice my time to 2.5 hours intervals and make a break between them, but never during. I keep a jar of water nearby. I wake up at 6 o'clock sharp and start my day with a session at the gym. What good learning habits did acquire, or wish you had acquired? (I know this isn't strictly programming related, but it is programmers related)

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• Printing images in Flex

  - by TERACytE

  In s Flex 3 app, I have canvas with a PNG image for a background. The image is the same width & height as the canvas. I also have some other controls in the canvas: <mx:Canvas id="form" backgroundImage="@Embed(source='images/formBkg.png')" width="640" height="480" > <mx:label .../> <mx:label .../> I print the canvas using the following code: var printJob:FlexPrintJob = new FlexPrintJob(); if (printJob.start()) { printJob.addObject(form, FlexPrintJobScaleType.SHOW_ALL); printJob.send(); } On screen it looks great, but when I print it the quality of the png degrades. It is not terrible, but not as sharp as what is shown on screen. Is there anything I can do to improve the quality of the printed png?

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• Collision detection, alternatives to "push out"

  - by LaZe

  I'm moving a character (ellipsoid) around in my physics engine. The movement must be constrained by the static geometry, but should slide on the edges, so it won't be stuck. My current approach is to move it a little and then push it back out of the geometry. It seems to work, but I think it's mostly because of luck. I fear there must be some corner cases where this method will go haywire. For example a sharp corner where two walls keeps pushing the character into each other. How would a "state of the art" game engine solve this?

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• .NET connecting with RDP

  - by user311130

  I want to connect to a remote desktop connection to a specified server/username from c#. I have found: __http://www.codeproject.com/KB/cs/RemoteDesktop_CSharpNET.aspx a AxMSTSCLib dll should be referenced to the solution. I don't want to download this dll from anywhere as I'm not sure if I can trust it. However it also says: "After research on the web I found that I have to create new AxMSTSCLib and MSTSCLib DLLs. So I did" How do I "create" this new AxMSTSCLib ? Other link, doesn't use this dll but run an script instead. http://bytes.com/topic/c-sharp/answers/517024-remote-desktop-connection-c but that code throws Security Exception. So I cannot use it.

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• When do I need to use automatic poperties and when properties with propertychanged event ?

  - by Honey

  Hello, I am using wpf and its C sharp! I have this in my Animal.cs clas private string _animalName; public string AnimalName { get { return _animalName; } set { if(_animalName!= value) { _animalName= value; this.NotifyPropertyChanged("AnimalName"); } } } I could also write: public string AnimalName {get;set;} There is no difference in binding and validation. Everythings works as before when I exchange the code. Is this due to the fact that I only create new animals but I do not allow to update the animals name in my application ? So I need to call the propertyChanged("AnimalName"); only when I want to change its property value? I am a c# beginner ;)

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• Passing an instantiated class to concrete class derived by Castle Windsor

  - by Tr1stan

  I have a system that I'm using to test some new architecture. I have the following setup (In MVC2 .Net - C Sharp): View < Controller < Service < Repository < DB I'm using Castle Windsor as my DI (IoC) controller, and this is working just fine in both the Service and Repo layers. However, I'm now at a point where I would like to pass an Entity Framework (DatabaseNameEntity) to the constructor to the Service, and then to the Repo, so that I have something similar to a Unit of Work pattern per request (This feels like what I'm trying to achieve anyway) - and I'm having trouble working out how this can be done using Castle Windsor. Am I going off on a silly tangent? Any pointers appreciated.

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• T-Sql SPROC - Parse C# Datatable to XML in Database (SQL Server 2005)

  - by Goober

  Scenario I've got an application written in C# that needs to dump some data every minute to a database. Because its not me that has written the spec, I have been told to store the data as XML in the SQL Server database and NOT TO USE the "bulk upload" feature. Essentially I just wanted to have a single stored procedure that would take XML (that I would produce from my datatable) and insert it into the database.....and do this every minute. Current Situation I've heard about the use of "Sp_xml_preparedocument" but I'm struggling to understand most of the examples that I've seen (My XML is far narrower than my C Sharp ability). Question I would really appreciate someone either pointing me in the direction of a worthwhile tutorial or helping explain things. EDIT - Using (SQL Server 2005)

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• How do I bring Set Focus of MDI Child Window using UIAutomation

  - by Scott Ferguson

  We have an old legacy application we need to automate. It uses MDI Windows. We're using UIAutomation and I can succesfully get the appropriate AutomationElement for each MDI Child window. What I cannot do is bring that element into focus. Here is some example code that I tried, that fails: var desktop = AutomationElement.RootElement; var dolphin = desktop.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, "Dolphin for Windows", PropertyConditionFlags.IgnoreCase)); dolphin.SetFocus(); var workspace = dolphin.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, "Workspace", PropertyConditionFlags.None)); var childWindow = workspace.FindFirst(TreeScope.Children, new PropertyCondition(AutomationElement.NameProperty, "Sharp ")); childWindow.SetFocus(); The last line in this code fails with System.InvalidOperationException Experimenting, I tried finding a control on the childWindow, and calling SetFocus on it. It DID correctly set the focus on the right control, but it did not bring the MDI window to the foreground. Any ideas?

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• Problem using FluentNHibernate, SQLite and Enums

  - by weenet

  I have a Sharp Architecture based app using Fluent NHibernate with Automapping. I have the following Enum: public enum Topics { AdditionSubtraction = 1, MultiplicationDivision = 2, DecimalsFractions = 3 } and the following Class: public class Strategy : BaseEntity { public virtual string Name { get; set; } public virtual Topics Topic { get; set; } public virtual IList Items { get; set; } } If I create an instance of the class thusly: Strategy s = new Strategy { Name = "Test", Topic = Topics.AdditionSubtraction }; it Saves correctly (thanks to this mapping convention: public class EnumConvention : IPropertyConvention, IPropertyConventionAcceptance { public void Apply(FluentNHibernate.Conventions.Instances.IPropertyInstance instance) { instance.CustomType(instance.Property.PropertyType); } public void Accept(FluentNHibernate.Conventions.AcceptanceCriteria.IAcceptanceCriteria criteria) { criteria.Expect(x = x.Property.PropertyType.IsEnum); } } However, upon retrieval, I get an error regarding an attempt to convert Int64 to Topics. This works fine in SQL Server. Any ideas for a workaround? Thanks.

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• Transform/redraw view after pinch zoom on x-axis

  - by Jonathan

  My setup. UIScrollView (scrollView) - UIView (contentView) - UIView (subView) I have managed to do so I can zoom contentView only on the x-axis. The problem is that subView is containing a graph. When contentView is zoomed and transformed the graph gets unsharp and distorded since the scaling only effect the x-axis. What I need help with is to somehow redraw the contentView after I'm done with the zooming without distorting the graph. Is it possible to transform the contentView so that the graph stays sharp even if you only zoom in the x-axis or redraw the content in the zoomed/stretched view somehow? I have tried the solution in this thread link but haven't succeeded to get it running.

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• Can I fill in an encypted PDF with iTextSharp?

  - by Cmpalmer

  I have a fillable, saveable PDF file that has an owner password (that I don't have access to). I can fill it out in Adobe reader, export the FDF file, modify the FDF file, and then import it. Then I tried to do it with iText(Sharp). I can't create a PdfStamper from my PdfReader because I didn't provide the owner password to the reader. Is there any way to do this programmatically or must I recreate the document? Even using FdfReader requires a PdfStamper. Am I missing anything? Anything legal that is - I'm pretty sure I could hack the document, but I can't. Ironically, recreating it would probably be ok.

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• WANT TO host Visual Studio Form Designer in my own application..

  - by this. __curious_geek

  Hi, I'm writing an application that lets the end use design a Form just the way Visual Studio lets you design a windows forms. I looked into visual studio forms designer articles in msdn and also studied open-source SharpDevelop editor. Both the examples host visual studio's windows forms designer to provide form-design service in their respective applications. My question is - Does it imply any licensing issue with Microsoft for directly hosting their Visual Studio Forms designer in my own application ? I don't want move ahead without proper and correct information. Can anybody here help me out if there's any licensing issues in case I want to host visual studio windows fomr designer in my own application. If there's any such licensing implication - then how does Sharp-Develop do this ?

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• Solid FFmpeg wrapper for C#/.NET

  - by Lillemanden

  I have been searching the web for some time for a solid FFmpeg wrapper for C#/.NET. But I have yet to come up with something useful. I have found the following three projects, but all of them apears to be dead in early alpha stage. FFmpeg.NET ffmpeg-sharp FFLIB.NET So my question is if anyone knows of a wrapper project that is more mature? I am not looking for a full transcoding engine with job queues and more. Just a simple wrapper so I do not have to make a command line call and then parse the console output, but can make method calls and use eventlisteners for progress. And please feel free to mention any active projects, even if they are stil in the early stages.

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• How do I branch an individual file in SVN?

  - by Michael Carman

  The subversion concept of branching appears to be focused on creating an [un]stable fork of the entire repository on which to do development. Is there a mechanism for creating branches of individual files? For a use case, think of a common header (*.h) file that has multiple platform-specific source (*.c) implementations. This type of branch is a permanent one. All of these branches would see ongoing development with occasional cross-branch merging. This is in sharp contrast to unstable development/stable release branches which generally have a finite lifespan. I do not want to branch the entire repository (cheap or not) as it would create an unreasonable amount of maintenance to continuously merge between the trunk and all the branches. At present I'm using ClearCase, which has a different concept of branching that makes this easy. I've been asked to consider transitioning to SVN but this paradigm difference is important. I'm much more concerned about being able to easily create alternate versions for individual files than about things like cutting a stable release branch.

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• Building Cocoa UIs for OS X with C# and Mono

  - by Antony Perkov

  Has anyone spent any time comparing the various Objective C bridges and associated Cocoa wrappers for Mono? I want to port an existing C# application to run on OS X. Ideally I'd run the application on Mono, and build a native Cocoa UI for it. I'm wondering which bridge would be the best choice. In case it's useful to anyone, here are some links to bridges I've found so far: CocoSharp - distributed with Mono on OS X - www.cocoa-sharp.com Monobjc - better documentation than the others (in my opinion) - www.mono-project.com/CocoaSharp and www.monobjc.net NObjective - (apparently) faster than the others - code.google.com/p/nobjective MObjc / MCocoa - code.google.com/p/mobjc and code.google.com/p/mcocoa ObjC# - www.mono-project.com/ObjCSharp

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• c# website login with post method

  - by druffmuff

  Hi, How can I with c sharp log me in into a website by using the post method? Any Ideas how to do this? Here's the html code of the forumlar: <form action="http://www.site.com/login.php" method="post" name="login" id="login"> <table border="0" cellpadding="2" cellspacing="0"> <tbody> <tr><td><b>User:</b></td><td colspan=\"2\"><b>Passwort:</b></td></tr> <tr> <td><input class="inputbg" name="user" type="text"></td> <td><input class="inputbg" name="password" type="password"></td> <td><input type="submit" name="user_control" value="Eingabe" class="buttonbg" ></td> </tr> </tbody></table></form>

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• Any editors to visually modify Wix templates?

  - by user1632018

  I have tried wixedit and sharp develop and from what I can tell they do not allow you to visually modify the premade templates with a designer. They only allow you to create your own customized dialogs that you can design yourself. So I am wondering if there is any editors that you can visually modify the design of these templates, especially the mondo template with a point and click editor. I have also tried SharpSetup and it looks promising how you can design the interface in visual studio, although since I don't know much about editing wix I am having a hard time comming up with the wix code to make it work.

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• Hanging Forms When I Drag And Move My Forms

  - by hosseinsinohe

  I Write a Windows Application By C Sharp. I Use a Picture in Background of my Form (MainForm) And I Use Many Picture in Buttons in This Form,And also I Use Some Panel And Label with Transparent Background Color. My Forms,Panels And Buttons has flicker. I solve this problem by a method in this thread. But Still when other Forms Start over this Form,my Forms hangs when I Drag and Move my Forms over this Form.How can I Solve this Problem to Move And Drags my Forms easily And Speed? Edit:: My Forms Load Data From Access 2007 DataBase file.I Use Datasets,DataGridViews And Other Components to Load And show Data in My Forms.

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• SharpArch.Core.PreconditionException: For better clarity and reliability, Entities with an assigned

  - by Quintin Par

  When I do a save of an entity with assigned id I get a SharpArch.Core.PreconditionException: For better clarity and reliability, Entities with an assigned Id must call Save or Update My class is public class CompanyUserRepository : RepositoryWithTypedId<CompanyUser, string>, ICompanyUserRepository { public override CompanyUser SaveOrUpdate(CompanyUser entity) { var user = base.SaveOrUpdate(entity); //Do some stuff return user; } } How do I go about saving this entity? RepositoryWithTypedId does not expose a Save method Related question. This tells you the reason, but I haven't found out the Sharp Architecture way to do a Save.

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• C# Constructor & List Question

  - by ShonnaE

  Ohk, I am doing a c-sharp program, and I get everything but this, I just can't understand what it is asking. I know how to create a list.. and how to create a constructor.. but this is where i get confused.. its probably way simple but i am missing it. I created 2 lists .. now i should create a constructor here is one my lists List<Person> organize = new List<Person>(); THIS PART --- *The constructor should also initialize the two event lists to new empty lists. *

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• how to know what files or folder are changed before do commit

  - by Pedro

  My problem is how to know what files or folder are changed before do commit. I can add all the new files in my working copy before do commit, and the repository changes, but if for example i delete one file of the working copy i dont know the way to add this change before do commit. When you use the tortoise for example before do commit the program shows all the changes of the working copy and you can choose what changes commit and what changes dont. There is some way to do this usin sharp svn?? thanks for your answer!!!

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• If I can host Visual Studio Form Designer in my application..

  - by this. __curious_geek

  Hi, I'm writing an application that lets the end use design a Form just the way Visual Studio lets you design a windows forms. I looked into visual studio forms designer articles in msdn and also studied open-source SharpDevelop editor. Both the examples host visual studio's windows forms designer to provide form-design service in their respective applications. My question is - Does it imply any licensing issue with Microsoft for directly hosting their Visual Studio Forms designer in my own application ? I don't want move ahead without proper and correct information. Can anybody here help me out if there's any licensing issues in case I want to host visual studio windows fomr designer in my own application. If there's any such licensing implication - then how does Sharp-Develop do this ?

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• load report fail in crystal reports doesn't have solution.

  - by mr-developer

  hi all, i'm using c sharp and crystal reports in visual studio 2008 in my application. the problem is that there is a form that i have crystalreporviewer on, when i call the form from form1 by button click event, the form and the report loads perfect, but when i call the from from another from that i've called from form1, this exception appears "load report fail". how can i solve this problem. i've googled and i didn't find any solution. I think there is a difference between form1 and the other form which i call the form of the report from. this is the code of the report form load try { cryRpt.Load("..\\..\\CrystalReport1.rpt"); crystalReportViewer1.ReportSource = cryRpt; crystalReportViewer1.Refresh(); } catch(Exception ex) { MessageBox.Show(ex.Message); } thanks in advance for any replies

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• Accessing GMail "View as HTML" content programatically?

  - by Amethi

  I love the "View as HTML" option in GMail when viewing attachments. I would love to be able to use this feature programatically, i.e. check a GMail inbox, read emails, if there are attachments, get the html view and use that content. I'm looking to do this in C Sharp (on a Mac, can't find the hash symbol). Does anyone know if this is possible or if there's another solution to easily get content from a GMail account, regardless of what format it's in? I.E html, pdf, Word doc, etc. The GMail Inbox Feed api isn't good enough and before I start trying to build an IMAP solution that pulls in PDF/Word doc converters, I thought it'd be good to ask here.

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• XML file creation Using XDocument

  - by Pramodh

  i've a list (List< string) "sampleList" which contains Data1 Data2 Data3... How to create an XML file using XDocument by iterating the items in the list in c sharp. The file structure is like <file> <name="samplee"/> <date=" "/> <info> <data value="Data1"/> <data value="Data2"/> <data value="Data3"/> </info> </file please help me to do this

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