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• Can I install the new Ubuntu 10 without formatting my computer?

  - by Tom Brito

  Can I install the new Ubuntu 10 without formatting my computer?

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• Would you embrace a new technology that worked better than a VPN?

  - by Jumpto

  Ok so VPNs have been around for ages. Business has been addicted to them as the only method of securing their home servers with their workstations in the field. Even with all their problems and shortcomings. So my question is this: How likely are you to embrace a new technology that promises to work better, secure better and have more features than a VPN? State your reasons for or against. Extra points if you point out what steps the new technology would have to take to knock VPN off its throne.

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• A lot of connections to port 6881 - some new attacks or what ?

  - by stoleto

  Ok so i am the admin of a small network with a web server and only the web server has a direct connection to the internet, the rest of the network are connecting through another place. I was inspecting the traffic on the server with tcpdump, and i found a LOT of connections from different IP addresses to port 6881. All ports on my machine are blocked except those who are really needed for a web server (like port 80), so i checked it out and confirmed that 6881 and the rest ports are in filtered(firewalled) state. Why all those ips are continuously trying to make connection to the server on port 6881 no matter it's not open at all ? Is this some new kind of attack or maybe there's some new exploit (maybe 0day?) for some service running on 6881 ? AFAIK on 6881 operate the bittorrent and similar, so really, what's the deal ? It would be nice if someone clarifies me some things.

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• MVC 2 Editor Template for Radio Buttons

  - by Steve Michelotti

  A while back I blogged about how to create an HTML Helper to produce a radio button list.  In that post, my HTML helper was “wrapping” the FluentHtml library from MvcContrib to produce the following html output (given an IEnumerable list containing the items “Foo” and “Bar”): 1: <div> 2: <input id="Name_Foo" name="Name" type="radio" value="Foo" /><label for="Name_Foo" id="Name_Foo_Label">Foo</label> 3: <input id="Name_Bar" name="Name" type="radio" value="Bar" /><label for="Name_Bar" id="Name_Bar_Label">Bar</label> 4: </div> With the release of MVC 2, we now have editor templates we can use that rely on metadata to allow us to customize our views appropriately.  For example, for the radio buttons above, we want the “id” attribute to be differentiated and unique and we want the “name” attribute to be the same across radio buttons so the buttons will be grouped together and so model binding will work appropriately. We also want the “for” attribute in the <label> element being set to correctly point to the id of the corresponding radio button.  The default behavior of the RadioButtonFor() method that comes OOTB with MVC produces the same value for the “id” and “name” attributes so this isn’t exactly what I want out the the box if I’m trying to produce the HTML mark up above. If we use an EditorTemplate, the first gotcha that we run into is that, by default, the templates just work on your view model’s property. But in this case, we *also* was the list of items to populate all the radio buttons. It turns out that the EditorFor() methods do give you a way to pass in additional data. There is an overload of the EditorFor() method where the last parameter allows you to pass an anonymous object for “extra” data that you can use in your view – it gets put on the view data dictionary: 1: <%: Html.EditorFor(m => m.Name, "RadioButtonList", new { selectList = new SelectList(new[] { "Foo", "Bar" }) })%> Now we can create a file called RadioButtonList.ascx that looks like this: 1: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" %> 2: <% 3: var list = this.ViewData["selectList"] as SelectList; 4: %> 5: <div> 6: <% foreach (var item in list) { 7: var radioId = ViewData.TemplateInfo.GetFullHtmlFieldId(item.Value); 8: var checkedAttr = item.Selected ? "checked=\"checked\"" : string.Empty; 9: %> 10: <input type="radio" id="<%: radioId %>" name="<%: ViewData.TemplateInfo.HtmlFieldPrefix %>" value="<%: item.Value %>" <%: checkedAttr %>/> 11: <label for="<%: radioId %>"><%: item.Text %></label> 12: <% } %> 13: </div> There are several things to note about the code above. First, you can see in line #3, it’s getting the SelectList out of the view data dictionary. Then on line #7 it uses the GetFullHtmlFieldId() method from the TemplateInfo class to ensure we get unique IDs. We pass the Value to this method so that it will produce IDs like “Name_Foo” and “Name_Bar” rather than just “Name” which is our property name. However, for the “name” attribute (on line #10) we can just use the normal HtmlFieldPrefix property so that we ensure all radio buttons have the same name which corresponds to the view model’s property name. We also get to leverage the fact the a SelectListItem has a Boolean Selected property so we can set the checkedAttr variable on line #8 and use it on line #10. Finally, it’s trivial to set the correct “for” attribute for the <label> on line #11 since we already produced that value. Because the TemplateInfo class provides all the metadata for our view, we’re able to produce this view that is widely re-usable across our application. In fact, we can create a couple HTML helpers to better encapsulate this call and make it more user friendly: 1: public static MvcHtmlString RadioButtonList<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression, params string[] items) 2: { 3: return htmlHelper.RadioButtonList(expression, new SelectList(items)); 4: } 5:   6: public static MvcHtmlString RadioButtonList<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression, IEnumerable<SelectListItem> items) 7: { 8: var func = expression.Compile(); 9: var result = func(htmlHelper.ViewData.Model); 10: var list = new SelectList(items, "Value", "Text", result); 11: return htmlHelper.EditorFor(expression, "RadioButtonList", new { selectList = list }); 12: } This allows us to simply the call like this: 1: <%: Html.RadioButtonList(m => m.Name, "Foo", "Bar" ) %> In that example, the values for the radio button are hard-coded and being passed in directly. But if you had a view model that contained a property for the collection of items you could call the second overload like this: 1: <%: Html.RadioButtonList(m => m.Name, Model.FooBarList ) %> The Editor templates introduced in MVC 2 definitely allow for much more flexible views/editors than previously available. By knowing about the features you have available to you with the TemplateInfo class, you can take these concepts and customize your editors with extreme flexibility and re-usability.

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• Is there a language where collections can be used as objects without altering the behavior?

  - by Dokkat

  Is there a language where collections can be used as objects without altering the behavior? As an example, first, imagine those functions work: function capitalize(str) //suppose this *modifies* a string object capitalizing it function greet(person): print("Hello, " + person) capitalize("pedro") >> "Pedro" greet("Pedro") >> "Hello, Pedro" Now, suppose we define a standard collection with some strings: people = ["ed","steve","john"] Then, this will call toUpper() on each object on that list people.toUpper() >> ["Ed","Steve","John"] And this will call greet once for EACH people on the list, instead of sending the list as argument greet(people) >> "Hello, Ed" >> "Hello, Steve" >> "Hello, John"

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• Learn How to Deliver a Superior Customer Experience

  - by steve.diamond

  That's right. Irene Ng, internationally acclaimed Oracle Web TV superstar, is hitting the Web airwaves again with a highly informative webcast! Tune in to hear Irene interview Steve Fearon, Oracle Vice President of CRM, Europe, Middle East and Africa, and explore how traditional CRM is converging with social networking and mobile technologies to deliver superior customer experiences that drive increased revenue and customer advocacy. And for you folks on the U.S. West Coast who REALLY like to get a jump on your day, we've got even better news. This Web TV event is taking place on June 17th at 2:00 a.m. Pacific time. But remember that for our friends in Central Europe, that is 11:00 a.m. CET. But we'll all be able to view a replay of this Webcast for those of us not awake for the original airing. So sign up now.

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• Sharepoint 2010, People Picker (peoplepicker-searchadforests), 1 way Active Directory trust .... process monitor to the rescue!

  - by steve schofield

  If you run Sharepoint 2010 in one forest, users in another forest and a 1-way forest in-place.  There is some additional configuration needed in Sharepoint 2010.  I included links below that discuss the details.  My post is not to be in-depth how to setup, rather share a tidbit not discussed in documentation (not that I could find).  Thanks to a smart co-worker and process monitor, it was found there is a registry entry, the application pool needs READ access.  You can either manually grant permissions on the server or add registry permission in AD Group Policy.  Hope this helps. People Picker overview (SharePoint Server 2010)http://technet.microsoft.com/en-us/library/gg602068.aspx Configure People Picker (SharePoint Server 2010)http://technet.microsoft.com/en-us/library/gg602075(d=lightweight).aspx Peoplepicker-searchadforests: Stsadm property (Office SharePoint Server)http://technet.microsoft.com/en-us/library/cc263460.aspx Application Pool needs read accessMACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\14.0\Secure Multi Forest/Cross Forest People Pickerhttp://blogs.msdn.com/b/joelo/archive/2007/01/18/multi-forest-cross-forest-people-picker-peoplepicker-searchadcustomquery.aspx Process Monitorhttp://technet.microsoft.com/en-us/sysinternals/bb896645.aspx Steve SchofieldMicrosoft MVP - IIS

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• How To: Spell Check InfoPath web form in SharePoint

  - by JeremyRamos

  This post is a compiled version of Steve Cavanagh's blog post on How To: Spell Check an InfoPath form displayed via XmlFormView. Many are not able to follow Steve's instructions due to lack of details. See below a downloadable zip of all changes need installed for your InfoPath Spell Checker. File Contents: CustomSpellCheckEntirePage.js - This is a customized SpellCheckEntirePage.js which includes changes outlined in Steve's post above.   FormServer.aspx - Note that this will replace the exisitng FormServer.aspx - this file acts like a masterpage for all infopath forms. So this change will add the spellchecker to all infopath forms in the sharepoint farm. Only thing i changed here is to add the 'Spell Check' link before and after the form.   ReadMe.rtf - Contains instructions where to copy the files to in your MOSS WFE server.

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• Udacity: Teaching thousands of students to program online using App Engine

  Udacity: Teaching thousands of students to program online using App Engine Join Fred Sauer & Iein Valdez as they talk with Steve Huffman, founder of Reddit and Hipmunk, and Chris Chew, senior software engineer at Udacity. Steve will share his experience teaching a course on web development using App Engine at Udacity, and Chris will talk about his experience building Udacity itself using App Engine. Submit your questions for Steve and Chris to answer live on air. From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Science & Technology

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• VBUG Spring Conference, 28th and 29th March in Reading

  - by Eric Nelson

  I presented at VBUG last year and can confirm that they put on a really good event. This year I stood aside for my “replacement” Steve Plank to work his magic. Worth checking out… VBUG SPRING CONFERENCE 28/29 March 2011 Wokefield Park, Mortimer, Reading RG7 3AH Day One (Mon 28 March): Developing SharePoint 2010 with Visual Studio 2010 - Dave McMahon Cache Out with Windows Server AppFabric – Phil Pursglove Extending your Corporate Network in to the Windows Azure Data Centre with Windows Azure Connect – Steve Plank Silverlight Development on Windows Phone 7 - Andy Wigley Day Two (Tues 29 March): Self Service BI for your users, but what does that mean for you? - Andrew Fryer Design Patterns – Compare and Contrast – Gary Short Projecting your corporate identity to the cloud – Steve Plank May the Silverlight 4 be with you – Richard Costall The Step up to ALM – an Introduction to Visual Studio 2010 TFS for the Visual Sourcesafe User - Richard Fennell For more information go to http://cms.vbug.net (It isn’t free but it is high quality)

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• Oracle Enterprise Manager Cloud Control 12c Release 2 (12.1.0.2) is Available Now !

  - by Anand Akela

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";} Oracle today announced the availability of Oracle Enterprise Manager Cloud Control 12c Release 2 (12.1.0.2). It is now available for download on OTN on ALL platforms. This is the first major release since the launch of Enterprise Manager 12c in October of 2011. This is the first time when Enterprise Manager release is available on all platforms simultaneously. This is primarily a stability release which incorporates many of issues and feedback reported by early adopters. In addition, this release contains many new features and enhancements in areas across the board. New Capabilities and Features Enhanced management capabilities for enterprise private clouds: Introduces new capabilities to allow customers to build and manage a Java Platform-as-a-Service (PaaS) cloud based on Oracle Weblogic Server. The new capabilities include guided set up of PaaS Cloud, self-service provisioning, automatic scale out and metering and chargeback. Enhanced lifecycle management capabilities for Oracle WebLogic Server environments: Combining in-context multiple domain, patching and configuration file synchronizations. Integrated Hardware-Software management for Oracle Exalogic Elastic Cloud through features such as rack schematics visualization and integrated monitoring of all hardware and software components. The latest management capabilities for business-critical applications include: Business Application Management: A new Business Application (BA) target type and dashboard with flexible definitions provides a logical view of an application’s business transactions, end-user experiences and the cloud infrastructure the monitored application is running on. Enhanced User Experience Reporting: Oracle Real User Experience Insight has been enhanced to provide reporting capabilities on client-side issues for applications running in the cloud and has been more tightly coupled with Oracle Business Transaction Management to help ensure that real-time user experience and transaction tracing data is provided to users in context. Several key improvements address ease of administration, reporting and extensibility for massively scalable cloud environments including dynamic groups, self-updateable monitoring templates, bulk operations against many events, etc. New and Revised Plug-Ins: Several plug-Ins have been updated as a part of this release resulting in either new versions or revisions. Revised plug-ins contain only bug-fixes and while new plug-ins incorporate both bug fixes as well as new functionality. Plug-In Name Version Enterprise Manager for Oracle Database 12.1.0.2 (revision) Enterprise Manager for Oracle Fusion Middleware 12.1.0.3 (new) Enterprise Manager for Chargeback and Capacity Planning 12.1.0.3 (new) Enterprise Manager for Oracle Fusion Applications 12.1.0.3 (new) Enterprise Manager for Oracle Virtualization 12.1.0.3 (new) Enterprise Manager for Oracle Exadata 12.1.0.3 (new) Enterprise Manager for Oracle Cloud 12.1.0.4 (new) Installation and Upgrade: All major platforms have been released simultaneously (Linux 32 / 64 bit, Solaris (SPARC), Solaris x86-64, IBM AIX 64-bit, and Windows x86-64 (64-bit) ) Enterprise Manager 12.1.0.2 is a complete release that includes both the EM OMS and Agent versions of 12.1.0.2. Installation options available with EM 12.1.0.2: User can do fresh Install or an upgrade from versions EM 10.2.0.5, 11.1, or 12.1.0.2 ( Bundle Patch 1 not mandatory). Upgrading to EM 12.1.0.2 from EM 12.1.0.1 is not a patch application (similar to Bundle Patch 1) but is achieved through a 1-system upgrade. Documentation: Oracle Enterprise Manager Cloud Control Introduction Document provides a broad overview of capabilities and highlights"What's New" in EM 12.1.0.2. All updated Oracle Enterprise Manager documentation can be found on OTN Upgrade Guide Please feel free to ask questions related to the new Oracle Enterprise Manager Cloud Control 12c Release 2 (12.1.0.2) at the Oracle Enterprise Manager Forum . You could also share your feedback at twitter  using hash tag #em12c or at Facebook . Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Newsletter

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• www.IISJobs.com has been launched.

  - by steve schofield

  Looking for a job related to Microsoft (Internet Information Server)? Or do you have a job opening which requires IIS experience.  Look no further, subscribe to the discussion forum today at http://www.iisjobs.com and be notified as soon as a job is posted or someone responds. Why start IISJobs.com?  I'm not looking to replace Monster, Careers.com.  I've seen in various places where jobs involving Microsoft IIS (Internet Information Server) have been posted.   I thought it would be a good idea to centralize under a easy to remember domain name. :)   My goal is to help the IIS community. Cheers, Steve SchofieldWindows Server MVP - IIShttp://weblogs.asp.net/steveschofield http://www.IISLogs.comLog archival solutionInstall, Configure, Forget

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• Contract-Popup at Login

  - by Steve

  I want to give my notebook to guests of my little Hotel as an extra service. I love the Ubuntu guest-account and I think that this is the best possible way to help my guests get free internet-access. I found out how to "design" their user-accounts with /etc/skel, but unfortunately I have no clue, how to show them a small introduction to the system and a kind of user-agreement "contract" when they login. I read of xmessage, but this is too minimalistic. I'd like to implement some pictures. Does anyone have any idea of how to make this possible? Would it be possible that the user is logged out automatically if he rejects the user-agreement? Thank you so much in advance, Steve.

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• Web API Presentation at DC DNUG

  - by Steve Michelotti

  This Tuesday (July 19), I’ll be presenting the ASP.NET Web API at the DC DotNet Users Group. Abstract: Modern web applications have seen an explosion in Web API creation. Twitter, Facebook, Google, Azure, you name it – it is becoming essential to provide a Web API so that consumers can build applications and mashups on top of your services. Web 2.0 has shown a trend away from SOAP towards a REST architecture style. With the new ASP.NET Web API, Microsoft is now providing first-class support for HTTP services including tools to apply the richness of a REST architectural style. This demo heavy presentation will show how the new ASP.NET Web API will enable you to build rich HTTP services in a REST architectural style while leveraging custom media types, custom HTTP handlers, jQuery and more! The presentation will also cover new features of MVC 4 including Razor enhancements, Web Optimizations, and more.

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• [Android] Launching activity from widget

  - by Steve H

  Hi, I'm trying to do something which really ought to be quite easy, but it's driving me crazy. I'm trying to launch an activity when a home screen widget is pressed, such as a configuration activity for the widget. I think I've followed word for word the tutorial on the Android Developers website, and even a few unofficial tutorials as well, but I must be missing something important as it doesn't work. Here is the code: public class VolumeChangerWidget extends AppWidgetProvider { public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds){ final int N = appWidgetIds.length; for (int i=0; i < N; i++) { int appWidgetId = appWidgetIds[i]; Log.d("Steve", "Running for appWidgetId " + appWidgetId); Toast.makeText(context, "Hello from onUpdate", Toast.LENGTH_SHORT); Log.d("Steve", "After the toast line"); Intent intent = new Intent(context, WidgetTest.class); PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0); RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget); views.setOnClickPendingIntent(R.id.button, pendingIntent); appWidgetManager.updateAppWidget(appWidgetId, views); } } } When adding the widget to the homescreen, Logcat shows the two debugging lines, though not the Toast. (Any ideas why not?) However, more vexing is that when I then click on the button with the PendingIntent associated with it, nothing happens at all. I know the "WidgetTest" activity can run because if I set up an Intent from within the main activity, it launches fine. In case it matters, here is the Android Manifest file: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.steve" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Volume_Change_Program" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".WidgetTest" android:label="@string/hello"> <intent_filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent_filter> </activity> <receiver android:name=".VolumeChangerWidget" > <intent-filter> <action android:name="android.appwidget.action.APPWIDGET_UPDATE" /> </intent-filter> <meta-data android:name="android.appwidget.provider" android:resource="@xml/volume_changer_info" /> </receiver> </application> <uses-sdk android:minSdkVersion="3" /> Is there a way to test where the fault is? I.e. is the fault that the button isn't linked properly to the PendingIntent, or that the PendingIntent or Intent isn't finding WidgetTest.class, etc? Thanks very much for your help! Steve

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• XNA 4.0 SpriteBatch.Draw Out Of Memory Exception Thrown

  - by RustyGearGames

  Well, first of all, my guess is that I'm calling the spritebatch.draw() method to many times, but I need to (Or, it's the only way I can figure out how to) Draw my in-game windows. I'll just go ahead and dump my code; using System; using System.Text; using System.Collections.Generic; using System.Linq; using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Audio; using Microsoft.Xna.Framework.Content; using Microsoft.Xna.Framework.GamerServices; using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input; using Microsoft.Xna.Framework.Media; namespace System.Window { class Window { #region Variables public Texture2D importedTexture; public Texture2D WindowSkin; public RenderTarget2D currentWindow; public RenderTarget2D windowTexture; public Vector2 pos; public int prevWindowWidth; public int prevWindowHeight; public int windowWidth; public int windowHeight; public bool visible; public bool active; public bool drawNew; #region Rectangles public Rectangle clickRect; public Rectangle topLeftRect; public Rectangle topRightRect; public Rectangle buttonRect; public Rectangle botLeftRect; public Rectangle botRightRect; #endregion #endregion public Window() { } public void Initialize(GraphicsDevice g, Texture2D ws, Texture2D it, int w, int h, bool v, bool a) { WindowSkin = ws; importedTexture = it; windowWidth = w; prevWindowWidth = w; windowHeight = h; prevWindowHeight = h; windowTexture = new RenderTarget2D(g, windowWidth, windowHeight); currentWindow = windowTexture; visible = v; active = a; drawNew = true; topLeftRect = new Rectangle(0, 0, 32, 32); topRightRect = new Rectangle(32, 0, 32, 32); buttonRect = new Rectangle(64, 0, 32, 32); botLeftRect = new Rectangle(0, 64, 32, 32); botRightRect = new Rectangle(64, 64, 32, 32); } public void Update(GraphicsDevice g, Vector2 p, int width, int height) { prevWindowWidth = windowWidth; prevWindowHeight = windowHeight; pos = p; windowWidth = width; windowHeight = height; windowTexture = new RenderTarget2D(g, windowWidth+2, windowHeight+2); } public void Draw(SpriteBatch s, GraphicsDevice g) { s.Draw(currentWindow, pos, new Rectangle(0, 0, windowWidth, windowHeight), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); } public void DrawNewWindow(SpriteBatch s, GraphicsDevice g) { g.SetRenderTarget(windowTexture); g.Clear(Color.Transparent); s.Begin(); #region Draw Background for (int w = 3; w < (windowWidth); w += 32) { for (int h = 32; h < (windowHeight); h += 32) { s.Draw(WindowSkin, new Vector2(w, h), new Rectangle(32, 32, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); } } #endregion s.Draw(importedTexture, new Vector2(3, 32), new Rectangle(0, 0, importedTexture.Width, importedTexture.Height), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); #region Draw resizables for (int i = 32; i < (windowWidth - 64); i += 32) { s.Draw(WindowSkin, new Vector2(i, 0), new Rectangle(16, 0, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); } for (int i = 32; i < (windowWidth - 32); i += 32) { s.Draw(WindowSkin, new Vector2(i, windowHeight - 32), new Rectangle(32, 64, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); } for (int i = 64; i < (windowHeight - 32); i += 32) { s.Draw(WindowSkin, new Vector2(0, i), new Rectangle(0, 48, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); } for (int i = 64; i < (windowHeight - 32); i += 32) { s.Draw(WindowSkin, new Vector2(windowWidth - 32, i), new Rectangle(64, 48, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); } #endregion #region Draw Corners s.Draw(WindowSkin, new Vector2(0, 0), topLeftRect, Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); s.Draw(WindowSkin, new Vector2(0, 32), new Rectangle(0, 32, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); s.Draw(WindowSkin, new Vector2(windowWidth - 64, 0), topRightRect, Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); s.Draw(WindowSkin, new Vector2(windowWidth - 32, 32), new Rectangle(64, 32, 32, 32), Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); s.Draw(WindowSkin, new Vector2(windowWidth - 32, 0), buttonRect, Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); s.Draw(WindowSkin, new Vector2(0, windowHeight - 32), botLeftRect, Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); s.Draw(WindowSkin, new Vector2(windowWidth - 32, windowHeight - 32), botRightRect, Color.White, 0, Vector2.Zero, 1.0f, SpriteEffects.None, 0); #endregion s.End(); currentWindow = windowTexture; } } } It's all nice and configured for my little windowskin texture, and such. the only problem is that it will get a little laggy, and then completely crash on me about a minute into running it. It throws an Out Of Memory Exception, but I don't know and can't find any other topic or post on this relating to spritebatch. Does anybody have any suggestions on how I can get this working and not take up much memory? I would think this as an easy, cost effective way of drawing a window. I'm just not sure how cut down on my draw calls, or get any of that memory back.

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• Change the contrast of Image like Adobe Photoshop in ASP.net C#

  - by Hoque

  While I was trying to change the brightness and contrast of Image using C#, but I could not get success in changing the contrast of the Image. May I expect any support from here. I am using ColorMatrix to do that. Here are the code that I am using for brightness(works fine) and contrast(does not work properly). public static ColorMatrix CreateBrightnessMatrix(float Brightness) { if (Brightness < -1 || Brightness > 1) throw new ArgumentOutOfRangeException("Brightness value is out of range"); ColorMatrix cm = new ColorMatrix(new float[][]{ new float[] { 1f, 0, 0, 0, 0}, new float[] { 0, 1f, 0, 0, 0}, new float[] { 0, 0, 1f, 0, 0}, new float[] { 0, 0, 0, 1f, 0}, new float[] {Brightness, Brightness, Brightness, 1f, 1f}}); return cm; } public static ColorMatrix CreateContrastMatrix(float Contrast) { if (Contrast < 0 || Contrast > 3) throw new ArgumentOutOfRangeException("Contrast value is out of range"); float Trans = (1f - Contrast) / 2f; ColorMatrix cm = new ColorMatrix(new float[][]{ new float[] {Contrast, 0f, 0f, 0f, 0f}, new float[] { 0f, Contrast, 0f, 0f, 0f}, new float[] { 0f, 0f, Contrast, 0f, 0f}, new float[] { 0f, 0f, 0f, 1f, 0f}, new float[] { Trans, Trans, Trans, 0f, 1f}}); return cm; } Thanks.

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• Error "Input length must be multiple of 8 when decrypting with padded cipher"

  - by Ross Peoples

  I am trying to move a project from C# to Java for a learning exercise. I am still very new to Java, but I have a TripleDES class in C# that encrypts strings and returns a string value of the encrypted byte array. Here is my C# code: using System; using System.IO; using System.Collections.Generic; using System.Security.Cryptography; using System.Text; namespace tDocc.Classes { /// <summary> /// Triple DES encryption class /// </summary> public static class TripleDES { private static byte[] key = { 110, 32, 73, 24, 125, 66, 75, 18, 79, 150, 211, 122, 213, 14, 156, 136, 171, 218, 119, 240, 81, 142, 23, 4 }; private static byte[] iv = { 25, 117, 68, 23, 99, 78, 231, 219 }; /// <summary> /// Encrypt a string to an encrypted byte array /// </summary> /// <param name="plainText">Text to encrypt</param> /// <returns>Encrypted byte array</returns> public static byte[] Encrypt(string plainText) { UTF8Encoding utf8encoder = new UTF8Encoding(); byte[] inputInBytes = utf8encoder.GetBytes(plainText); TripleDESCryptoServiceProvider tdesProvider = new TripleDESCryptoServiceProvider(); ICryptoTransform cryptoTransform = tdesProvider.CreateEncryptor(key, iv); MemoryStream encryptedStream = new MemoryStream(); CryptoStream cryptStream = new CryptoStream(encryptedStream, cryptoTransform, CryptoStreamMode.Write); cryptStream.Write(inputInBytes, 0, inputInBytes.Length); cryptStream.FlushFinalBlock(); encryptedStream.Position = 0; byte[] result = new byte[encryptedStream.Length]; encryptedStream.Read(result, 0, (int)encryptedStream.Length); cryptStream.Close(); return result; } /// <summary> /// Decrypt a byte array to a string /// </summary> /// <param name="inputInBytes">Encrypted byte array</param> /// <returns>Decrypted string</returns> public static string Decrypt(byte[] inputInBytes) { UTF8Encoding utf8encoder = new UTF8Encoding(); TripleDESCryptoServiceProvider tdesProvider = new TripleDESCryptoServiceProvider(); ICryptoTransform cryptoTransform = tdesProvider.CreateDecryptor(key, iv); MemoryStream decryptedStream = new MemoryStream(); CryptoStream cryptStream = new CryptoStream(decryptedStream, cryptoTransform, CryptoStreamMode.Write); cryptStream.Write(inputInBytes, 0, inputInBytes.Length); cryptStream.FlushFinalBlock(); decryptedStream.Position = 0; byte[] result = new byte[decryptedStream.Length]; decryptedStream.Read(result, 0, (int)decryptedStream.Length); cryptStream.Close(); UTF8Encoding myutf = new UTF8Encoding(); return myutf.GetString(result); } /// <summary> /// Decrypt an encrypted string /// </summary> /// <param name="text">Encrypted text</param> /// <returns>Decrypted string</returns> public static string DecryptText(string text) { if (text == "") { return text; } return Decrypt(Convert.FromBase64String(text)); } /// <summary> /// Encrypt a string /// </summary> /// <param name="text">Unencrypted text</param> /// <returns>Encrypted string</returns> public static string EncryptText(string text) { if (text == "") { return text; } return Convert.ToBase64String(Encrypt(text)); } } /// <summary> /// Random number generator /// </summary> public static class RandomGenerator { /// <summary> /// Generate random number /// </summary> /// <param name="length">Number of randomizations</param> /// <returns>Random number</returns> public static int GenerateNumber(int length) { byte[] randomSeq = new byte[length]; new RNGCryptoServiceProvider().GetBytes(randomSeq); int code = Environment.TickCount; foreach (byte b in randomSeq) { code += (int)b; } return code; } } /// <summary> /// Hash generator class /// </summary> public static class Hasher { /// <summary> /// Hash type /// </summary> public enum eHashType { /// <summary> /// MD5 hash. Quick but collisions are more likely. This should not be used for anything important /// </summary> MD5 = 0, /// <summary> /// SHA1 hash. Quick and secure. This is a popular method for hashing passwords /// </summary> SHA1 = 1, /// <summary> /// SHA256 hash. Slower than SHA1, but more secure. Used for encryption keys /// </summary> SHA256 = 2, /// <summary> /// SHA348 hash. Even slower than SHA256, but offers more security /// </summary> SHA348 = 3, /// <summary> /// SHA512 hash. Slowest but most secure. Probably overkill for most applications /// </summary> SHA512 = 4, /// <summary> /// Derrived from MD5, but only returns 12 digits /// </summary> Digit12 = 5 } /// <summary> /// Hashes text using a specific hashing method /// </summary> /// <param name="text">Input text</param> /// <param name="hash">Hash method</param> /// <returns>Hashed text</returns> public static string GetHash(string text, eHashType hash) { if (text == "") { return text; } if (hash == eHashType.MD5) { MD5CryptoServiceProvider hasher = new MD5CryptoServiceProvider(); return ByteToHex(hasher.ComputeHash(Encoding.ASCII.GetBytes(text))); } else if (hash == eHashType.SHA1) { SHA1Managed hasher = new SHA1Managed(); return ByteToHex(hasher.ComputeHash(Encoding.ASCII.GetBytes(text))); } else if (hash == eHashType.SHA256) { SHA256Managed hasher = new SHA256Managed(); return ByteToHex(hasher.ComputeHash(Encoding.ASCII.GetBytes(text))); } else if (hash == eHashType.SHA348) { SHA384Managed hasher = new SHA384Managed(); return ByteToHex(hasher.ComputeHash(Encoding.ASCII.GetBytes(text))); } else if (hash == eHashType.SHA512) { SHA512Managed hasher = new SHA512Managed(); return ByteToHex(hasher.ComputeHash(Encoding.ASCII.GetBytes(text))); } else if (hash == eHashType.Digit12) { MD5CryptoServiceProvider hasher = new MD5CryptoServiceProvider(); string newHash = ByteToHex(hasher.ComputeHash(Encoding.ASCII.GetBytes(text))); return newHash.Substring(0, 12); } return ""; } /// <summary> /// Generates a hash based on a file's contents. Used for detecting changes to a file and testing for duplicate files /// </summary> /// <param name="info">FileInfo object for the file to be hashed</param> /// <param name="hash">Hash method</param> /// <returns>Hash string representing the contents of the file</returns> public static string GetHash(FileInfo info, eHashType hash) { FileStream hashStream = new FileStream(info.FullName, FileMode.Open, FileAccess.Read); string hashString = ""; if (hash == eHashType.MD5) { MD5CryptoServiceProvider hasher = new MD5CryptoServiceProvider(); hashString = ByteToHex(hasher.ComputeHash(hashStream)); } else if (hash == eHashType.SHA1) { SHA1Managed hasher = new SHA1Managed(); hashString = ByteToHex(hasher.ComputeHash(hashStream)); } else if (hash == eHashType.SHA256) { SHA256Managed hasher = new SHA256Managed(); hashString = ByteToHex(hasher.ComputeHash(hashStream)); } else if (hash == eHashType.SHA348) { SHA384Managed hasher = new SHA384Managed(); hashString = ByteToHex(hasher.ComputeHash(hashStream)); } else if (hash == eHashType.SHA512) { SHA512Managed hasher = new SHA512Managed(); hashString = ByteToHex(hasher.ComputeHash(hashStream)); } hashStream.Close(); hashStream.Dispose(); hashStream = null; return hashString; } /// <summary> /// Converts a byte array to a hex string /// </summary> /// <param name="data">Byte array</param> /// <returns>Hex string</returns> public static string ByteToHex(byte[] data) { StringBuilder builder = new StringBuilder(); foreach (byte hashByte in data) { builder.Append(string.Format("{0:X1}", hashByte)); } return builder.ToString(); } /// <summary> /// Converts a hex string to a byte array /// </summary> /// <param name="hexString">Hex string</param> /// <returns>Byte array</returns> public static byte[] HexToByte(string hexString) { byte[] returnBytes = new byte[hexString.Length / 2]; for (int i = 0; i <= returnBytes.Length - 1; i++) { returnBytes[i] = byte.Parse(hexString.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber); } return returnBytes; } } } And her is what I've got for Java code so far, but I'm getting the error "Input length must be multiple of 8 when decrypting with padded cipher" when I run the test on this: import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import javax.crypto.Cipher; import javax.crypto.NoSuchPaddingException; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import com.tdocc.utils.Base64; public class TripleDES { private static byte[] keyBytes = { 110, 32, 73, 24, 125, 66, 75, 18, 79, (byte)150, (byte)211, 122, (byte)213, 14, (byte)156, (byte)136, (byte)171, (byte)218, 119, (byte)240, 81, (byte)142, 23, 4 }; private static byte[] ivBytes = { 25, 117, 68, 23, 99, 78, (byte)231, (byte)219 }; public static String encryptText(String plainText) { try { if (plainText.isEmpty()) return plainText; return Base64.decode(TripleDES.encrypt(plainText)).toString(); } catch (Exception e) { e.printStackTrace(); } return null; } public static byte[] encrypt(String plainText) throws InvalidKeyException, InvalidAlgorithmParameterException, NoSuchPaddingException { try { final SecretKey key = new SecretKeySpec(keyBytes, "DESede"); final IvParameterSpec iv = new IvParameterSpec(ivBytes); final Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, key, iv); final byte[] plainTextBytes = plainText.getBytes("utf-8"); final byte[] cipherText = cipher.doFinal(plainTextBytes); return cipherText; } catch (Exception e) { e.printStackTrace(); } return null; } public static String decryptText(String message) { try { if (message.isEmpty()) return message; else return TripleDES.decrypt(message.getBytes()); } catch (Exception e) { e.printStackTrace(); } return null; } public static String decrypt(byte[] message) { try { final SecretKey key = new SecretKeySpec(keyBytes, "DESede"); final IvParameterSpec iv = new IvParameterSpec(ivBytes); final Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE, key, iv); final byte[] plainText = cipher.doFinal(message); return plainText.toString(); } catch (Exception e) { e.printStackTrace(); } return null; } }

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• mocking collection behavior with Moq

  - by Stephen Patten

  Hello, I've read through some of the discussions on the Moq user group and have failed to find an example and have been so far unable to find the scenario that I have. Here is my question and code: // 6 periods var schedule = new List<PaymentPlanPeriod>() { new PaymentPlanPeriod(1000m, args.MinDate.ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(1).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(2).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(3).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(4).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(5).ToString()) }; // Now the proxy is correct with the schedule helper.Setup(h => h.GetPlanPeriods(It.IsAny<String>(), schedule)); Then in my tests I use Periods but the Mocked _PaymentPlanHelper never populates the collection, see below for usage: public IEnumerable<PaymentPlanPeriod> Periods { get { if (CanCalculateExpression()) _PaymentPlanHelper.GetPlanPeriods(this.ToString(), _PaymentSchedule); return _PaymentSchedule; } } Now if I change the mocked object to use another overloaded method of GetPlanPeriods that returns a List like so : var schedule = new List<PaymentPlanPeriod>() { new PaymentPlanPeriod(1000m, args.MinDate.ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(1).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(2).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(3).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(4).ToString()), new PaymentPlanPeriod(1000m, args.MinDate.Value.AddMonths(5).ToString()) }; helper.Setup(h => h.GetPlanPeriods(It.IsAny<String>())).Returns(new List<PaymentPlanPeriod>(schedule)); List<PaymentPlanPeriod> result = new _PaymentPlanHelper.GetPlanPeriods(this.ToString()); This works as expected. Any pointers would be awesome, as long as you don't bash my architecture... :) Thank you, Stephen

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• Reuse Client java Socket in a Java Server

  - by user1394983

  I'm devoloping an Java server two control an android online game. It's possible save the client socket of myserversocket.accept() in a variable in Client class? This are very util because this way, server can communicate with client when server wants and no when client contact server. My actual code are: import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.net.ServerSocket; import java.net.Socket; import java.util.ArrayList; import java.util.UUID; import sal.app.shared.Packet; public class Server { private ArrayList<GameSession> games = new ArrayList<GameSession>(); private ArrayList<Client> pendent_clients = new ArrayList<Client>(); private Packet read_packet= new Packet(); private Packet sent_packet = new Packet(); private Socket clientSocket = null; public static void main(String[] args) throws ClassNotFoundException{ ServerSocket serverSocket = null; //DataInputStream dataInputStream = null; //DataOutputStream dataOutputStream = null; ObjectOutputStream oos=null; ObjectInputStream ois=null; Server myServer = new Server(); try { serverSocket = new ServerSocket(7777); System.out.println("Listening :7777"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } while(true){ try { myServer.clientSocket = new Socket(); myServer.clientSocket = serverSocket.accept(); myServer.read_packet = new Packet(); myServer.sent_packet = new Packet(); oos = new ObjectOutputStream(myServer.clientSocket.getOutputStream()); ois = new ObjectInputStream(myServer.clientSocket.getInputStream()); //dataInputStream = new DataInputStream(clientSocket.getInputStream()); //dataOutputStream = new DataOutputStream(clientSocket.getOutputStream()); //System.out.println("ip: " + clientSocket.getInetAddress()); //System.out.println("message: " + ois.read()); //dataOutputStream.writeUTF("Hello!"); /*while ((myServer.read_packet = (Packet) ois.readObject()) != null) { myServer.handlePacket(myServer.read_packet); break; }*/ myServer.read_packet=(Packet) ois.readObject(); myServer.handlePacket(myServer.read_packet); //oos.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally{ if( myServer.clientSocket!= null){ /*try { //myServer.clientSocket.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }*/ } /*if( ois!= null){ try { ois.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if( oos!= null){ try { oos.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }*/ } } } public void handlePacket(Packet hp) throws IOException { if(hp.getOpCode() == 1) { registPlayer(hp); } } public void registPlayer(Packet p) throws IOException { Client registClient = new Client(this.clientSocket); this.pendent_clients.add(registClient); if(pendent_clients.size() == 2) { initAGame(); } else { ObjectOutputStream out=null; Packet to_send = new Packet(); to_send.setOpCode(4); out = new ObjectOutputStream(registClient.getClientSocket().getOutputStream()); out.writeObject(to_send); } } public void initAGame() throws IOException { Client c1 = pendent_clients.get(0); Client c2 = pendent_clients.get(1); Packet to_send = new Packet(); ObjectOutputStream out=null; GameSession incomingGame = new GameSession(c1,c2); games.add(incomingGame); to_send.setGameId(incomingGame.getGameId()); to_send.setOpCode(5); out = new ObjectOutputStream(c1.getClientSocket().getOutputStream()); out.writeObject(to_send); out = new ObjectOutputStream(c2.getClientSocket().getOutputStream()); out.writeObject(to_send); pendent_clients.clear(); } public Client getClientById(UUID given_id) { for(GameSession gs: games) { if(gs.getClient1().getClientId().equals(given_id)) { return gs.getClient1(); } else if(gs.getClient2().getClientId().equals(given_id)) { return gs.getClient2(); } } return null; } } With this code i got this erros: java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1847) at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1756) at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1257) at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1211) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1395) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1547) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:333) at Server.initAGame(Server.java:146) at Server.registPlayer(Server.java:120) at Server.handlePacket(Server.java:106) at Server.main(Server.java:63) This error ocurre when second client connect and server try to send an Packet to previous client 1 in function initGame() in this code: out = new ObjectOutputStream(c1.getClientSocket().getOutputStream()); out.writeObject(to_send); my android code is this: package sal.app; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.net.Socket; import java.net.UnknownHostException; import sal.app.logic.DataBaseManager; import sal.app.shared.Packet; import android.app.Activity; import android.os.Bundle; import android.view.Window; import android.view.WindowManager; public class MultiPlayerWaitActivity extends Activity{ private DataBaseManager db; public void onCreate(Bundle savedInstanceState) { super.requestWindowFeature(Window.FEATURE_NO_TITLE); super.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN); super.onCreate(savedInstanceState); setContentView(R.layout.multiwaitlayout); db=DataBaseManager.getSalDatabase(this); db.teste(); try { db.createDataBase(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } Socket socket = null; ObjectOutputStream outputStream = null; ObjectInputStream inputStream = null; //System.out.println("dadadad"); try { socket = new Socket("192.168.1.4", 7777); //Game = new MultiPlayerGame(new ServerManager("192.168.1.66"),new Session(), new Player("")); outputStream = new ObjectOutputStream(socket.getOutputStream()); inputStream = new ObjectInputStream(socket.getInputStream()); //dataOutputStream.writeUTF(textOut.getText().toString()); //textIn.setText(dataInputStream.readUTF()); Packet p = new Packet(); Packet r = new Packet(); p.setOpCode(1); outputStream.writeObject(p); /*try { r=(Packet)inputStream.readObject(); } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); }*/ //while(true){ //dataInputStream = new DataInputStream(clientSocket.getInputStream()); //dataOutputStream = new DataOutputStream(clientSocket.getOutputStream()); //System.out.println("ip: " + clientSocket.getInetAddress()); //System.out.println("message: " + ois.read()); //dataOutputStream.writeUTF("Hello!"); /*while ((r= (Packet) inputStream.readObject()) != null) { handPacket(r); break; }*/ r=(Packet) inputStream.readObject(); handPacket(r); //oos.close(); //} /*System.out.println(r.getOpCode()); if(r.getOpCode() == 5) { this.finish(); }*/ } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } /*finally{ if (socket != null){ try { socket.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (outputStream != null){ try { outputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (inputStream != null){ try { inputStream.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }*/ //catch (ClassNotFoundException e) { // TODO Auto-generated catch block //e.printStackTrace(); //} catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public void handPacket(Packet hp) { if(hp.getOpCode() == 5) { this.finish(); } this.finish(); } } Regards

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• Drawing a TextBox in an extended Glass Frame (C# w/o WPF)

  - by Lazlo

  I am trying to draw a TextBox on the extended glass frame of my form. I won't describe this technique, it's well-known. Here's an example for those who haven't heard of it: http://www.danielmoth.com/Blog/Vista-Glass-In-C.aspx The thing is, it is complex to draw over this glass frame. Since black is considered to be the 0-alpha color, anything black disappears. There are apparently ways of countering this problem: drawing complex GDI+ shapes are not affected by this alpha-ness. For example, this code can be used to draw a Label on glass (note: GraphicsPath is used instead of DrawString in order to get around the horrible ClearType problem): public class GlassLabel : Control { public GlassLabel() { this.BackColor = Color.Black; } protected override void OnPaint(PaintEventArgs e) { GraphicsPath font = new GraphicsPath(); font.AddString( this.Text, this.Font.FontFamily, (int)this.Font.Style, this.Font.Size, Point.Empty, StringFormat.GenericDefault); e.Graphics.SmoothingMode = SmoothingMode.HighQuality; e.Graphics.FillPath(new SolidBrush(this.ForeColor), font); } } Similarly, such an approach can be used to create a container on the glass area. Note the use of the polygons instead of the rectangle - when using the rectangle, its black parts are considered as alpha. public class GlassPanel : Panel { public GlassPanel() { this.BackColor = Color.Black; } protected override void OnPaint(PaintEventArgs e) { Point[] area = new Point[] { new Point(0, 1), new Point(1, 0), new Point(this.Width - 2, 0), new Point(this.Width - 1, 1), new Point(this.Width -1, this.Height - 2), new Point(this.Width -2, this.Height-1), new Point(1, this.Height -1), new Point(0, this.Height - 2) }; Point[] inArea = new Point[] { new Point(1, 1), new Point(this.Width - 1, 1), new Point(this.Width - 1, this.Height - 1), new Point(this.Width - 1, this.Height - 1), new Point(1, this.Height - 1) }; e.Graphics.FillPolygon(new SolidBrush(Color.FromArgb(240, 240, 240)), inArea); e.Graphics.DrawPolygon(new Pen(Color.FromArgb(55, 0, 0, 0)), area); base.OnPaint(e); } } Now my problem is: How can I draw a TextBox? After lots of Googling, I came up with the following solutions: Subclassing the TextBox's OnPaint method. This is possible, although I could not get it to work properly. It should involve painting some magic things I don't know how to do yet. Making my own custom TextBox, perhaps on a TextBoxBase. If anyone has good, valid and working examples, and thinks this could be a good overall solution, please tell me. Using BufferedPaintSetAlpha. (http://msdn.microsoft.com/en-us/library/ms649805.aspx). The downsides of this method may be that the corners of the textbox might look odd, but I can live with that. If anyone knows how to implement that method properly from a Graphics object, please tell me. I personally don't, but this seems the best solution so far. Thanks!

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• Intent and OnActivityResult causing Activity to get restart Actuomatically : Require to solve this issues

  - by Parth Dani

  i am having 20 imageview and i am having 20 button for them when i click any 1 button it gives me option to select image from gallery or camera when i select any option for example galley it will take me to the gallery and let me select image from their and let me display those images on my imageview for respective button now the problem is sometimes when i do the whole above process my activity is getting restart actuomatically and all the image which were first selected get vanished from their imageview For Refernce my code is as follow: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.new_upload); // **************Code to get Road worthy number and VIN number value in // Shared Preference starts here************************ SharedPreferences myPrefs1 = this.getSharedPreferences("myPrefs", MODE_WORLD_READABLE); roadworthynumber = myPrefs1.getString(MY_ROADWORTHY, "Road Worthy Number"); vinnumber = myPrefs1.getString(MY_VIN, "VIN Number"); // **************Code to get Road worthy number and VIN number value in // Shared Preference ends here************************ // **************Code to create Directory AUSRWC starts // here************************ if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { cacheDir = new File(Environment.getExternalStorageDirectory() + File.separator + "AUSRWC" + File.separator); cacheDir.mkdirs(); } // **************Code to Create Directory AUSRWC ends // here************************ // *****************Assigning Button variable their Id declare in XML // file starts here***************** new_select1 = (Button) findViewById(R.id.new_select1); new_select2 = (Button) findViewById(R.id.new_select2); new_select3 = (Button) findViewById(R.id.new_select3); new_select4 = (Button) findViewById(R.id.new_select4); new_select5 = (Button) findViewById(R.id.new_select5); new_select6 = (Button) findViewById(R.id.new_select6); new_select7 = (Button) findViewById(R.id.new_select7); new_select8 = (Button) findViewById(R.id.new_select8); new_select9 = (Button) findViewById(R.id.new_select9); new_select10 = (Button) findViewById(R.id.new_select10); new_select11 = (Button) findViewById(R.id.new_select11); new_select12 = (Button) findViewById(R.id.new_select12); new_select13 = (Button) findViewById(R.id.new_select13); new_select14 = (Button) findViewById(R.id.new_select14); new_select15 = (Button) findViewById(R.id.new_select15); new_select16 = (Button) findViewById(R.id.new_select16); new_select17 = (Button) findViewById(R.id.new_select17); new_select18 = (Button) findViewById(R.id.new_select18); new_select19 = (Button) findViewById(R.id.new_select19); new_select20 = (Button) findViewById(R.id.new_select20); // *****************Assigning Button variable their Id declare in XML // file ends here***************** // *****************Assigning Image variable their Id declare in XML // file starts here***************** new_selectimage1 = (ImageView) findViewById(R.id.new_selectImage1); new_selectimage2 = (ImageView) findViewById(R.id.new_selectImage2); new_selectimage3 = (ImageView) findViewById(R.id.new_selectImage3); new_selectimage4 = (ImageView) findViewById(R.id.new_selectImage4); new_selectimage5 = (ImageView) findViewById(R.id.new_selectImage5); new_selectimage6 = (ImageView) findViewById(R.id.new_selectImage6); new_selectimage7 = (ImageView) findViewById(R.id.new_selectImage7); new_selectimage8 = (ImageView) findViewById(R.id.new_selectImage8); new_selectimage9 = (ImageView) findViewById(R.id.new_selectImage9); new_selectimage10 = (ImageView) findViewById(R.id.new_selectImage10); new_selectimage11 = (ImageView) findViewById(R.id.new_selectImage11); new_selectimage12 = (ImageView) findViewById(R.id.new_selectImage12); new_selectimage13 = (ImageView) findViewById(R.id.new_selectImage13); new_selectimage14 = (ImageView) findViewById(R.id.new_selectImage14); new_selectimage15 = (ImageView) findViewById(R.id.new_selectImage15); new_selectimage16 = (ImageView) findViewById(R.id.new_selectImage16); new_selectimage17 = (ImageView) findViewById(R.id.new_selectImage17); new_selectimage18 = (ImageView) findViewById(R.id.new_selectImage18); new_selectimage19 = (ImageView) findViewById(R.id.new_selectImage19); new_selectimage20 = (ImageView) findViewById(R.id.new_selectImage20); // ****Assigning Image variable their Id declare in XML file ends // here***************** // **************Creating Dialog to give option to user to new_select // image from gallery or from camera starts here**************** final String[] items = new String[] { "From Camera", "From Gallery" }; ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.select_dialog_item, items); AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("select Image"); builder.setAdapter(adapter, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { if (item == 0) { if (android.os.Environment.getExternalStorageState() .equals(android.os.Environment.MEDIA_MOUNTED)) { Intent intent = new Intent( MediaStore.ACTION_IMAGE_CAPTURE); File file = new File(Environment .getExternalStorageDirectory(), "/AUSRWC/picture" + ".jpg"); mImageCaptureUri = Uri.fromFile(file); try { Toast.makeText(getBaseContext(), "Click Image", Toast.LENGTH_SHORT).show(); intent.putExtra( android.provider.MediaStore.EXTRA_OUTPUT, mImageCaptureUri); intent.putExtra("return-data", true); startActivityForResult(intent, PICK_FROM_CAMERA); } catch (Exception e) { e.printStackTrace(); } } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } dialog.cancel(); } else { Intent intent = new Intent(); Toast.makeText(getBaseContext(), "Select Image", Toast.LENGTH_SHORT).show(); intent.setType("image/*"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent, "Complete action using"), PICK_FROM_FILE); } } }); dialog = builder.create(); // **************Creating Dialog to give option to user to new_select // image from gallery or from camera ends here**************** final Animation animAlpha = AnimationUtils.loadAnimation(this, R.anim.anim_alpha); // Animation Code for displaying Button // Clicked. // ********************Image 1 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 1; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 1 button code ends // here******************************* // ********************Image 2 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select2.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 2; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 2 button code ends // here******************************* // ********************Image 3 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select3.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 3; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 3 button code ends // here******************************* // ********************Image 4 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select4.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 4; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 4 button code ends // here******************************* // ********************Image 5 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select5.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 5; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 5 button code ends // here******************************* // ********************Image 6 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select6.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 6; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 6 button code ends // here******************************* // ********************Image 7 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select7.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 7; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 7 button code ends // here******************************* // ********************Image 8 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select8.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 8; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 8 button code ends // here******************************* // ********************Image 9 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select9.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 9; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 9 button code ends // here******************************* // ********************Image 10 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select10.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 10; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 10 button code ends // here******************************* // ********************Image 11 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select11.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 11; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 11 button code ends // here******************************* // ********************Image 12 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select12.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 12; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 12 button code ends // here******************************* // ********************Image 13 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select13.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 13; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 13 button code ends // here******************************* // ********************Image 14 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select14.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 14; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 14 button code ends // here******************************* // ********************Image 15 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select15.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 15; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 15 button code ends // here******************************* // ********************Image 16 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select16.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 16; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 16 button code ends // here******************************* // ********************Image 17 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select17.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 17; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 17 button code ends // here******************************* // ********************Image 18 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select18.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 18; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 18 button code ends // here******************************* // ********************Image 19 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select19.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 19; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 19 button code ends // here******************************* // ********************Image 20 button code starts // here******************************* if (android.os.Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED)) { new_select20.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.startAnimation(animAlpha); buttonpressed = 20; dialog.show(); } }); } else { Toast.makeText(getBaseContext(), "Please insert SdCard First", Toast.LENGTH_SHORT).show(); } // ********************Image 20 button code ends // here******************************* } // *************************When Back Button is Pressed code begins // here************************************* @Override public void onBackPressed() { Toast.makeText(new_upload.this, "Sorry You are not allowed to go back", Toast.LENGTH_SHORT).show(); return; } // *************************When Back Button is Pressed code ends // here************************************* // ***********************To get Path of new_selected Image code starts // here************************************ public String getRealPathFromURI(Uri contentUri) { String[] proj = { MediaStore.Images.Media.DATA }; Cursor cursor = managedQuery(contentUri, proj, null, null, null); if (cursor == null) return null; int column_index = cursor .getColumnIndexOrThrow(MediaStore.Images.Media.DATA); cursor.moveToFirst(); return cursor.getString(column_index); } // ***********************To get Path of new_selected Image code ends // here************************************ // **********************Picture obtained from the camera or from gallery // code starts here************** @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { //path = ""; Log.e("","requestCode="+requestCode); switch (requestCode){ case PICK_FROM_FILE: if (resultCode == Activity.RESULT_OK) { mImageCaptureUri = data.getData(); path = getRealPathFromURI(mImageCaptureUri); // from Gallery Log.e("", "Imagepath from gallery=" + path); if (path == null) path = mImageCaptureUri.getPath(); // from File Manager if (path != null) { dialog1 = ProgressDialog.show(new_upload.this, "", "Processing Please wait...", true); new ImageDisplayTask().execute(); } } break; case PICK_FROM_CAMERA: if (resultCode == Activity.RESULT_OK) { try { path = mImageCaptureUri.getPath(); Log.e("", "Imagepath from Camera =" + path); // bitmap = BitmapFactory.decodeFile(path); } catch (Exception e) { e.printStackTrace(); } if (path != null) { dialog1 = ProgressDialog.show(new_upload.this, "", "Processing Please wait...", true); //new ImageDisplayTask1().execute(); new ImageDisplayTask().execute(); } } break; default: } } // ********************Picture obtained from the camera or from gallery code // ends here********************************************* // ******************Image Display on Button when new_selected from gallery // Ashynch Code starts here******************************** class ImageDisplayTask extends AsyncTask<Void, Void, String> { @Override protected String doInBackground(Void... unsued) { Bitmap src = BitmapFactory.decodeFile(path); Bitmap dest = Bitmap.createBitmap(src.getWidth(), src.getHeight(), Bitmap.Config.ARGB_8888); //Bitmap dest = Bitmap.createScaledBitmap(src, src.getWidth(),src.getHeight(), true); SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss"); String dateTime = sdf.format(Calendar.getInstance().getTime()); // reading local `` String timestamp = dateTime + " " + roadworthynumber; SimpleDateFormat sdf1 = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss"); String dateTime1 = sdf1.format(Calendar.getInstance().getTime()); Imagename = dateTime1.toString().trim().replaceAll(":", "") .replaceAll("-", "").replaceAll(" ", "") + roadworthynumber + ".jpg"; Canvas cs = new Canvas(dest); Paint tPaint = new Paint(); tPaint.setTextSize(100); tPaint.setTypeface(Typeface.SERIF); tPaint.setColor(Color.RED); tPaint.setStyle(Style.FILL); cs.drawBitmap(src, 0f, 0f, null); float height = tPaint.measureText("yY"); cs.drawText(timestamp, 5f, src.getHeight() - height + 5f, tPaint); try { dest.compress(Bitmap.CompressFormat.JPEG, 70, new FileOutputStream(new File(cacheDir, Imagename))); dest.recycle(); src.recycle(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } @Override protected void onProgressUpdate(Void... unsued) { } @Override protected void onPostExecute(String serverresponse) { String error = "noerror"; Display currentDisplay = getWindowManager().getDefaultDisplay(); int dw = currentDisplay.getWidth(); int dh = currentDisplay.getHeight() - 100; Log.e("", "width= " + dw + " Height= " + dh); try { BitmapFactory.Options bmpFactoryOptions = new BitmapFactory.Options(); bmpFactoryOptions.inJustDecodeBounds = true; Bitmap bmp = BitmapFactory.decodeFile( Environment.getExternalStorageDirectory() + "/AUSRWC/" + Imagename, bmpFactoryOptions); int heightRatio = (int) Math.ceil(bmpFactoryOptions.outHeight / (float) dh); int widthRatio = (int) Math.ceil(bmpFactoryOptions.outWidth / (float) dw); if (heightRatio > 1 && widthRatio > 1) { if (heightRatio > widthRatio) { bmpFactoryOptions.inSampleSize = heightRatio; } else { bmpFactoryOptions.inSampleSize = widthRatio; } } bmpFactoryOptions.inJustDecodeBounds = false; bmp = BitmapFactory.decodeFile( Environment.getExternalStorageDirectory() + "/AUSRWC/" + Imagename, bmpFactoryOptions); if (buttonpressed == 1) { new_selectimage1.setImageBitmap(bmp); //Image set on ImageView } else if (buttonpressed == 2) { new_selectimage2.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 3) { new_selectimage3.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 4) { new_selectimage4.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 5) { new_selectimage5.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 6) { new_selectimage6.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 7) { new_selectimage7.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 8) { new_selectimage8.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 9) { new_selectimage9.setImageBitmap(bmp);//Image set on ImageView } else if (buttonpressed == 10) { new_selectimage10.setImageBitmap(bmp); } else if (buttonpressed == 11) { new_selectimage11.setImageBitmap(bmp); } else if (buttonpressed == 12) { new_selectimage12.setImageBitmap(bmp); } else if (buttonpressed == 13) { new_selectimage13.setImageBitmap(bmp); } else if (buttonpressed == 14) { new_selectimage14.setImageBitmap(bmp); } else if (buttonpressed == 15) { new_selectimage15.setImageBitmap(bmp); } else if (buttonpressed == 16) { new_selectimage16.setImageBitmap(bmp); } else if (buttonpressed == 17) { new_selectimage17.setImageBitmap(bmp); } else if (buttonpressed == 18) { new_selectimage18.setImageBitmap(bmp); } else if (buttonpressed == 19) { new_selectimage19.setImageBitmap(bmp); } else if (buttonpressed == 20) { new_selectimage20.setImageBitmap(bmp); } } catch (Exc

  Read the article

• add a from to backup routine

  - by Gerard Flynn

  hi how do you put a process bar and button onto this code i have class and want to add a gui on to the code using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; using System.IO; using System.Threading; using Tamir.SharpSsh; using System.Security.Cryptography; using ICSharpCode.SharpZipLib.Checksums; using ICSharpCode.SharpZipLib.Zip; using ICSharpCode.SharpZipLib.GZip; namespace backup { public partial class Form1 : Form { public Form1() { InitializeComponent(); } /// <summary> /// Summary description for Class1. /// </summary> public class Backup { private string dbName; private string dbUsername; private string dbPassword; private static string baseDir; private string backupName; private static bool isBackup; private string keyString; private string ivString; private string[] backupDirs = new string[0]; private string[] excludeDirs = new string[0]; private ZipOutputStream zipOutputStream; private string backupFile; private string zipFile; private string encryptedFile; static void Main() { Backup.Log("BackupUtility loaded"); try { new Backup(); if (!isBackup) MessageBox.Show("Restore complete"); } catch (Exception e) { Backup.Log(e.ToString()); if (!isBackup) MessageBox.Show("Error restoring!\r\n" + e.Message); } } private void LoadAppSettings() { this.backupName = System.Configuration.ConfigurationSettings.AppSettings["BackupName"].ToString(); this.dbName = System.Configuration.ConfigurationSettings.AppSettings["DBName"].ToString(); this.dbUsername = System.Configuration.ConfigurationSettings.AppSettings["DBUsername"].ToString(); this.dbPassword = System.Configuration.ConfigurationSettings.AppSettings["DBPassword"].ToString(); //default to using where we are executing this assembly from Backup.baseDir = System.Reflection.Assembly.GetExecutingAssembly().Location.Substring(0, System.Reflection.Assembly.GetExecutingAssembly().Location.LastIndexOf("\\")) + "\\"; Backup.isBackup = bool.Parse(System.Configuration.ConfigurationSettings.AppSettings["IsBackup"].ToString()); this.keyString = System.Configuration.ConfigurationSettings.AppSettings["KeyString"].ToString(); this.ivString = System.Configuration.ConfigurationSettings.AppSettings["IVString"].ToString(); this.backupDirs = GetSetting("BackupDirs", ','); this.excludeDirs = GetSetting("ExcludeDirs", ','); } private string[] GetSetting(string settingName, char delimiter) { if (System.Configuration.ConfigurationSettings.AppSettings[settingName] != null) { string settingVal = System.Configuration.ConfigurationSettings.AppSettings[settingName].ToString(); if (settingVal.Length > 0) return settingVal.Split(delimiter); } return new string[0]; } public Backup() { this.LoadAppSettings(); if (isBackup) this.DoBackup(); else this.DoRestore(); Log("Finished"); } private void DoRestore() { System.Windows.Forms.OpenFileDialog fileDialog = new System.Windows.Forms.OpenFileDialog(); fileDialog.Title = "Choose .encrypted file"; fileDialog.Filter = "Encrypted files (*.encrypted)|*.encrypted|All files (*.*)|*.*"; fileDialog.InitialDirectory = Backup.baseDir; if (fileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK) { //string encryptedFile = GetFileName("encrypted"); string encryptedFile = fileDialog.FileName; string decryptedFile = this.GetDecryptedFilename(encryptedFile); //string originalFile = GetFileName("original"); this.Decrypt(encryptedFile, decryptedFile); //this.UnzipFile(decryptedFile, originalFile); } } //use the same filename as the backup except replace ".encrypted" with ".decrypted.zip" private string GetDecryptedFilename(string encryptedFile) { string name = encryptedFile.Substring(0, encryptedFile.LastIndexOf(".")); name += ".decrypted.zip"; return name; } private void DoBackup() { this.backupFile = GetFileName("bak"); this.zipFile = GetFileName("zip"); this.encryptedFile = GetFileName("encrypted"); this.DeleteFiles(); this.zipOutputStream = new ZipOutputStream(File.Create(zipFile)); try { //backup database first if (this.dbName.Length > 0) { this.BackupDB(backupFile); this.ZipFile(backupFile, this.GetName(backupFile)); } //zip any directories specified in config file this.ZipUserSpecifiedFilesAndDirectories(this.backupDirs); } finally { this.zipOutputStream.Finish(); this.zipOutputStream.Close(); } this.Encrypt(zipFile, encryptedFile); this.SCPFile(encryptedFile); this.DeleteFiles(); } /// <summary> /// Deletes any files created by the backup process, namely the DB backup file, /// the zip of all files backuped up, and the encrypred zip file /// </summary> private void DeleteFiles() { File.Delete(this.backupFile); File.Delete(this.zipFile); ///File.Delete(this.encryptedFile); } private void ZipUserSpecifiedFilesAndDirectories(string[] fileNames) { foreach (string fileName in fileNames) { string name = fileName.Trim(); if (name.Length > 0) { Log("Zipping " + name); this.ZipFile(name, this.GetNameFromDir(name)); } } } private void SCPFile(string inputPath) { string sshServer = System.Configuration.ConfigurationSettings.AppSettings["SSHServer"].ToString(); string sshUsername = System.Configuration.ConfigurationSettings.AppSettings["SSHUsername"].ToString(); string sshPassword = System.Configuration.ConfigurationSettings.AppSettings["SSHPassword"].ToString(); if (sshServer.Length > 0 && sshUsername.Length > 0 && sshPassword.Length > 0) { Scp scp = new Scp(sshServer, sshUsername, sshPassword); //Copy a file from local machine to remote SSH server scp.Connect(); Log("Connected to " + sshServer); //scp.Put(inputPath, "/home/wal/temp.txt"); scp.Put(inputPath, GetName(inputPath)); scp.Close(); } else { Log("Not SCP as missing login details"); } } private string GetName(string inputPath) { FileInfo info = new FileInfo(inputPath); return info.Name; } private string GetNameFromDir(string inputPath) { DirectoryInfo info = new DirectoryInfo(inputPath); return info.Name; } private static void Log(string msg) { try { string toLog = DateTime.Now.ToString() + ": " + msg; System.Diagnostics.Debug.WriteLine(toLog); System.IO.FileStream fs = new System.IO.FileStream(baseDir + "app.log", System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.ReadWrite); System.IO.StreamWriter m_streamWriter = new System.IO.StreamWriter(fs); m_streamWriter.BaseStream.Seek(0, System.IO.SeekOrigin.End); m_streamWriter.WriteLine(toLog); m_streamWriter.Flush(); m_streamWriter.Close(); fs.Close(); } catch (Exception e) { Console.WriteLine(e.ToString()); } } private byte[] GetFileBytes(string path) { FileStream stream = new FileStream(path, FileMode.Open); byte[] bytes = new byte[stream.Length]; stream.Read(bytes, 0, bytes.Length); stream.Close(); return bytes; } private void WriteFileBytes(byte[] bytes, string path) { FileStream stream = new FileStream(path, FileMode.Create); stream.Write(bytes, 0, bytes.Length); stream.Close(); } private void UnzipFile(string inputPath, string outputPath) { ZipInputStream zis = new ZipInputStream(File.OpenRead(inputPath)); ZipEntry theEntry = zis.GetNextEntry(); FileStream streamWriter = File.Create(outputPath); int size = 2048; byte[] data = new byte[2048]; while (true) { size = zis.Read(data, 0, data.Length); if (size > 0) { streamWriter.Write(data, 0, size); } else { break; } } streamWriter.Close(); zis.Close(); } private bool ExcludeDir(string dirName) { foreach (string excludeDir in this.excludeDirs) { if (dirName == excludeDir) return true; } return false; } private void ZipFile(string inputPath, string zipName) { FileAttributes fa = File.GetAttributes(inputPath); if ((fa & FileAttributes.Directory) != 0) { string dirName = zipName + "/"; ZipEntry entry1 = new ZipEntry(dirName); this.zipOutputStream.PutNextEntry(entry1); string[] subDirs = Directory.GetDirectories(inputPath); //create directories first foreach (string subDir in subDirs) { DirectoryInfo info = new DirectoryInfo(subDir); string name = info.Name; if (this.ExcludeDir(name)) Log("Excluding " + dirName + name); else this.ZipFile(subDir, dirName + name); } //then store files string[] fileNames = Directory.GetFiles(inputPath); foreach (string fileName in fileNames) { FileInfo info = new FileInfo(fileName); string name = info.Name; this.ZipFile(fileName, dirName + name); } } else { Crc32 crc = new Crc32(); this.zipOutputStream.SetLevel(6); // 0 - store only to 9 - means best compression FileStream fs = null; try { fs = File.OpenRead(inputPath); } catch (IOException ioEx) { Log("WARNING! " + ioEx.Message);//might be in use, skip file in this case } if (fs != null) { byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); ZipEntry entry = new ZipEntry(zipName); entry.DateTime = DateTime.Now; // set Size and the crc, because the information // about the size and crc should be stored in the header // if it is not set it is automatically written in the footer. // (in this case size == crc == -1 in the header) // Some ZIP programs have problems with zip files that don't store // the size and crc in the header. entry.Size = fs.Length; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; this.zipOutputStream.PutNextEntry(entry); this.zipOutputStream.Write(buffer, 0, buffer.Length); } } } private void Encrypt(string inputPath, string outputPath) { RijndaelManaged rijndaelManaged = new RijndaelManaged(); byte[] encrypted; byte[] toEncrypt; //Create a new key and initialization vector. //myRijndael.GenerateKey(); //myRijndael.GenerateIV(); /*des.GenerateKey(); des.GenerateIV(); string temp1 = Convert.ToBase64String(des.Key); string temp2 = Convert.ToBase64String(des.IV);*/ //Get the key and IV. byte[] key = Convert.FromBase64String(keyString); byte[] IV = Convert.FromBase64String(ivString); //Get an encryptor. ICryptoTransform encryptor = rijndaelManaged.CreateEncryptor(key, IV); //Encrypt the data. MemoryStream msEncrypt = new MemoryStream(); CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write); //Convert the data to a byte array. toEncrypt = this.GetFileBytes(inputPath); //Write all data to the crypto stream and flush it. csEncrypt.Write(toEncrypt, 0, toEncrypt.Length); csEncrypt.FlushFinalBlock(); //Get encrypted array of bytes. encrypted = msEncrypt.ToArray(); WriteFileBytes(encrypted, outputPath); } private void Decrypt(string inputPath, string outputPath) { RijndaelManaged myRijndael = new RijndaelManaged(); //DES des = new DESCryptoServiceProvider(); byte[] key = Convert.FromBase64String(keyString); byte[] IV = Convert.FromBase64String(ivString); byte[] encrypted = this.GetFileBytes(inputPath); byte[] fromEncrypt; //Get a decryptor that uses the same key and IV as the encryptor. ICryptoTransform decryptor = myRijndael.CreateDecryptor(key, IV); //Now decrypt the previously encrypted message using the decryptor // obtained in the above step. MemoryStream msDecrypt = new MemoryStream(encrypted); CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read); fromEncrypt = new byte[encrypted.Length]; //Read the data out of the crypto stream. int bytesRead = csDecrypt.Read(fromEncrypt, 0, fromEncrypt.Length); byte[] readBytes = new byte[bytesRead]; Array.Copy(fromEncrypt, 0, readBytes, 0, bytesRead); this.WriteFileBytes(readBytes, outputPath); } private string GetFileName(string extension) { return baseDir + backupName + "_" + DateTime.Now.ToString("yyyyMMdd") + "." + extension; } private void BackupDB(string backupPath) { string sql = @"DECLARE @Date VARCHAR(300), @Dir VARCHAR(4000) --Get today date SET @Date = CONVERT(VARCHAR, GETDATE(), 112) --Set the directory where the back up file is stored SET @Dir = '"; sql += backupPath; sql += @"' --create a 'device' to write to first EXEC sp_addumpdevice 'disk', 'temp_device', @Dir --now do the backup BACKUP DATABASE " + this.dbName; sql += @" TO temp_device WITH FORMAT --Drop the device EXEC sp_dropdevice 'temp_device' "; //Console.WriteLine("sql="+sql); Backup.Log("Starting backup of " + this.dbName); ExecuteSQL(sql); } /// <summary> /// Executes the specified SQL /// Returns true if no errors were encountered during execution /// </summary> /// <param name="procedureName"></param> private void ExecuteSQL(string sql) { SqlConnection conn = new SqlConnection(this.GetDBConnectString()); try { SqlCommand comm = new SqlCommand(sql, conn); conn.Open(); comm.ExecuteNonQuery(); } finally { conn.Close(); } } private string GetDBConnectString() { StringBuilder builder = new StringBuilder(); builder.Append("Data Source=127.0.0.1; User ID="); builder.Append(this.dbUsername); builder.Append("; Password="); builder.Append(this.dbPassword); builder.Append("; Initial Catalog="); builder.Append(this.dbName); builder.Append(";Connect Timeout=30"); return builder.ToString(); } } } }

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• Tree Node Checked behavior on a TreeView in Compact Framework 3.5 running on Windows Mobile 6.5

  - by Hydroslide

  I have been upgrading an existing .NET Windows Mobile application to use the 3.5 version of the compact framework and to run on Windows Mobile 6.5. I have a form with a TreeView. The TreeView.Checkboxes property is set to true so that each node has a check box. This gives no trouble in all previous versions of Windows Mobile. However, in version 6.5 when you click on a check box it appears to check and then uncheck instantaneously. But it only raises the AfterCheck event once. The only way I can get a check to stick is by double clicking it (which is the wrong behavior). Has anyone seen this behavior? Does anyone know of a workaround for it? I have included a simple test form. Dump this form into a Visual Studio 2008 Smart Device application targeted at Windows Mobile 6 to see what I mean. Public Class frmTree Inherits System.Windows.Forms.Form #Region " Windows Form Designer generated code " Public Sub New() MyBase.new() ' This call is required by the Windows Form Designer. InitializeComponent() ' Add any initialization after the InitializeComponent() call. End Sub 'Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub 'Required by the Windows Form Designer Private components As System.ComponentModel.IContainer Friend WithEvents TreeView1 As System.Windows.Forms.TreeView Private mainMenu1 As System.Windows.Forms.MainMenu 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. 'Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Dim TreeNode1 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node0") Dim TreeNode2 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node2") Dim TreeNode3 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node3") Dim TreeNode4 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node4") Dim TreeNode5 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node1") Dim TreeNode6 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node5") Dim TreeNode7 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node6") Dim TreeNode8 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Node7") Me.mainMenu1 = New System.Windows.Forms.MainMenu Me.TreeView1 = New System.Windows.Forms.TreeView Me.SuspendLayout() ' 'TreeView1 ' Me.TreeView1.CheckBoxes = True Me.TreeView1.Location = New System.Drawing.Point(37, 41) Me.TreeView1.Name = "TreeView1" TreeNode2.Text = "Node2" TreeNode3.Text = "Node3" TreeNode4.Text = "Node4" TreeNode1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {TreeNode2, TreeNode3, TreeNode4}) TreeNode1.Text = "Node0" TreeNode6.Text = "Node5" TreeNode7.Text = "Node6" TreeNode8.Text = "Node7" TreeNode5.Nodes.AddRange(New System.Windows.Forms.TreeNode() {TreeNode6, TreeNode7, TreeNode8}) TreeNode5.Text = "Node1" Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {TreeNode1, TreeNode5}) Me.TreeView1.Size = New System.Drawing.Size(171, 179) Me.TreeView1.TabIndex = 0 ' 'frmTree ' Me.AutoScaleDimensions = New System.Drawing.SizeF(96.0!, 96.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi Me.AutoScroll = True Me.ClientSize = New System.Drawing.Size(240, 268) Me.Controls.Add(Me.TreeView1) Me.Menu = Me.mainMenu1 Me.Name = "frmTree" Me.Text = "frmTree" Me.ResumeLayout(False) End Sub #End Region End Class

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• Random strange behaviour on Google Maps v2

  - by fesja

  hi, I'm having a particular fight with Google Maps v2 on Chrome. The map is shown well on all browsers except Chrome, that without any particular reason, it does any of these things as you can see on the image: Moving the center to the south Showing the markers to the right, but if i move the map, they moved too to the next section of the map. Perfect I have the following javascript: if (GBrowserIsCompatible()) { var map = new GMap2(document.getElementById("map")); var bounds = new GLatLngBounds(); map.enableScrollWheelZoom(); map.addControl(new GSmallMapControl()); map.addControl(new GMapTypeControl()); map.removeMapType(G_HYBRID_MAP); var zoomout = 1; var pcenter_0 = new GLatLng(40.420300, -3.705770); var marker_0 = new GMarker(pcenter_0, {draggable: false}); map.addOverlay(marker_0); marker_0.bindInfoWindowHtml('info', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_0.getPoint()); var pcenter_1 = new GLatLng(41.385719, 2.170050); var marker_1 = new GMarker(pcenter_1, {draggable: false}); map.addOverlay(marker_1); marker_1.bindInfoWindowHtml('', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_1.getPoint()); var pcenter_2 = new GLatLng(48.856918, 2.341210); var marker_2 = new GMarker(pcenter_2, {draggable: false}); map.addOverlay(marker_2); marker_2.bindInfoWindowHtml('info', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_2.getPoint()); var pcenter_3 = new GLatLng(37.779160, -122.420052); var marker_3 = new GMarker(pcenter_3, {draggable: false}); map.addOverlay(marker_3); marker_3.bindInfoWindowHtml('', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_3.getPoint()); var pcenter_4 = new GLatLng(48.202541, 16.368799); var marker_4 = new GMarker(pcenter_4, {draggable: false}); map.addOverlay(marker_4); marker_4.bindInfoWindowHtml('', {pixelOffset:new GSize(32,5), maxWidth:200} ); bounds.extend(marker_4.getPoint()); zoomToBounds(zoomout); } function zoomToBounds(zoomout) { map.setCenter(bounds.getCenter()); var zoom = map.getBoundsZoomLevel(bounds)-zoomout; if(zoom < 1) zoom = 1; map.setZoom(zoom); map.checkResizeAndCenter(); } Do you have any idea or clue of what can be happening? It's very annoying to have this random javascript errors.. If you need more info, please ask! thanks! Update to add html code (before javascript) <div id="index_map"> <div id="map"></div> </div> I've aldo updated the markers code

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