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• Prevent product key from being used on multiple virtual machines

  - by Nahum Litvin

  I have a software product. it will probably run on VMs that have no network connection at all. I want the user to pay for each VM the user runs. I thought to ask the user for some kind of hardware ID and provide him with serial that is unique for his machine. But user can just copy the VM image and than have two machines running? So I thought of having a security dongle. But how can I prevent user from running two VM's on the same machine both connected to the same dongle? This should be only basic defense so that actual hacking will be required to breach the license and not only spinning one more VM.

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• USB Mouse stutters periodically

  - by greggory.hz

  I'm using an HP dv6000 (not sure of exact model) with a pretty basic Logitech wireless laptop mouse. From time to time, the USB mouse will be very stuttery and less responsive. Not all clicks register and the motion is not smooth. It seems like it's related to the notify-osd coming up when I get an IM or Email or whatever else, but it happens other times as well. It's not the whole computer becoming less responsive, because if I use the touch pad during one of these fits, it works perfectly smooth. I've replaced the batteries in the mouse and have tried different USB ports with better line of sight, etc. I can't figure out what's going on. Any thoughts?

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• Gnome/Nautilus does not remember individual folder's size/position?

  - by RaiGal

  I am using ubuntu 11.04 and I have noticed that Gnome/Nautilus remembers a "global" setting for size/position using the last window open instead of remembering an individual size/position for each folder. Also, this applies for some applications as well. I find this a real productivity killer and I think its one of the most basic features of a window manager. Funny thing is, that windows had this feature for a long time now. I have tried devilspie but I find it would be really time wasting to configure every folder that way. Is there any fix for this issue, if not what window manager would you suggest me? Thank you!

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• How to make the apt autocompletion work in minimal system (in LXC container)?

  - by Adam Ryczkowski

  When I work inside thin LXC container on 12.04 I have only very basic system. In particular the /etc/bash_completion.d is missing the e.g. apt, that I find particularly useful. Is there any standard package, that installs the autocompletion for the apt, or should I copy the file manually? And just copying the files into /etc/bash_completion.d manually just doesn't seem to work. I use bash as my command interpreter. What am I missing here?

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• Ubuntu perfomance issues

  - by Pelda

  I have as deafult Win 7 64b. But i get annoyed by some windows stuff so I decided to install ubuntu and learn Linux, because Win 8 is a nightmare. I have my Ubuntu 12.04 64bit installed in 100gb partition of my 1 Tb disc. My problem is that my Ubuntu feel really slower than Win 7 - even though my Win 7 are after some years of usage and they became much slower. And Ubuntu is just installed OS - I just downloaded wine and skype. It takes some time for new window to appear (its not 10 seconds, but its really slower than my windows). Sometimes my donwload get stuck (in basic ubuntu app store) Its just weird to me. I thought its because of some drivers, but I am really new to linux, so I decided to ask some1 before I screw whole system up. Specs: -6gbs of RAM - 3x2gb -3.0 ghz CPU quadcore -graphic card is HD4870 sapphire Please excuse my poor english and my addiction to windows interface. Pelda

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• APress Deal of the Day 15/Jan/2011 - Windows Mobile Game Development: Building games for the Windows Phone and other mobile devices

  - by TATWORTH

  Todays Apress $10 deal of the the day is: Windows Mobile Game Development: Building games for the Windows Phone and other mobile devices This book will provide you with a comprehensive guide to developing games for both the Windows Mobile platform and the Windows Phone using the industry standard programming languages C# and VB.NET. $49.99 | Published Apr 2010 | The book dates from the VS2005/VS2008 era but should still be useful to VS2010 developers. Given that such games development can now be done within Visual Studio. Whilst these devices use the Compact Framework instead of the standard Dot Net Framework, it is still a familiar envirnment. This book should be of benefit not just to games developers but to anyone with an interest in development for mobile phones.

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• AutoVue for Agile Sessions at the Oracle Value Chain Summit 2013

  - by Pam Petropoulos

  At the upcoming Oracle Value Chain Summit, which takes place February 4 - 6, 2013 in San Francisco, CA, AutoVue Enterprise Visualization solutions will be covered in a variety of sessions within the Agile PLM solution area. Attend the following sessions during the Product Deep Dives & Demos Track, and discover the latest AutoVue for Agile capabilities, including how to streamline business processes, such as change management by creating ECRs directly from within CAD designs. Visual Decision Making to Optimize New Product Development and Introduction Date: Tuesday, February 5 Time: 12:45 pm to 1:30 pm Seeing the Forest: Next Generation Visualization Date: Wednesday, February 6 Time: 3:15 pm to 4:00 pm Next-Generation CAD Data Management: MCAD, ECAD, and Software Configuration Management Date: Wednesday, February 6 Time: 11:15 am to 12:00 pm Keep an eye on this blog for forthcoming details about each of these sessions. Don’t miss this opportunity to mingle with other AutoVue for Agile customers and meet one on one with the AutoVue product management and development team. Register now for the early bird rate of $195 and secure your spot at the Summit. Click here to register and learn more.

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• Time it would take me to learn c++ given my speed? [closed]

  - by ashwin

  I am a student in second year of engineering and my life is hard, nowadays. To make my future secure and at least get good jobs, I have started learning C++; I have learned J2SE, ASP.NET (little, basic C#), PHP (little), HTML, CSS, AJAX, Javascript, SQL, a little android development (I have built a benchmark app) in 4 months and have received 1 gold medal in CSS and 1 each in HTML, CSS, Java. I am able to make things in C#, Java and all other, so I can apply all this knowledge. I was able to do all this, because I loved learning and I hate to ask this question. How much time would it take me to learn C++, good-enough to get good jobs at Google, Microsoft? I am currently learning data structures, so that's excluded.

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• RIM met à jour son SDK pour BlackBerry pour mettre fin à l'exode des développeurs vers Android : suf

  Mise à jour du 07/04/10 RIM met à jour ses outils pour BlackBerry Et tente de mettre fin à l'exode des développeurs vers Android et iPhone OS Research in Motion, la société qui gère l'OS et les outils de développement pour les BlackBerry, vient de sortir un nouveau plug-in BlackBerry Java pour Eclipse ? le 1.1, qui permet de simuler le fonctionnement d'une appli sur les différents types de modèles de marque, la version 2.0 du BlackBerry Web plug-in (pour Eclipse et Visual Studio) et un nouveau SDK (BlackBerry Java software development kit) ? qui inclue pas moins de 20.000 APIs (calendrier, contacts, caméra, etc.). Le but est claire, rendre la...

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• Telerik Q1 2010 Release Enhances Productivity Throughout .NET Toolbox

  Entire product portfolio now supports Microsoft Visual Studio 2010 RC Waltham, MA, March 10, 2010 Telerik, a leading vendor of development tools and user interface components for .NET, announced today their Q1 2010 release, consisting of a complete update of the Telerik .NET developer toolbox and the official release of Telerik Extensions for ASP.NET MVC and JustCode. This release is further marked by significant performance innovations in the companys Silverlight and WPF UI controls, full support...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Telerik Q1 2010 Release Enhances Productivity Throughout .NET Toolbox

  Entire product portfolio now supports Microsoft Visual Studio 2010 RC Waltham, MA, March 10, 2010 Telerik, a leading vendor of development tools and user interface components for .NET, announced today their Q1 2010 release, consisting of a complete update of the Telerik .NET developer toolbox and the official release of Telerik Extensions for ASP.NET MVC and JustCode. This release is further marked by significant performance innovations in the companys Silverlight and WPF UI controls, full support...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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

  - by Arthur Wulf White

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

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• How To Get JavaScript IntelliSense With DevExpress Client-Side Objects - v2010 vol 1

  Check out this how-to guide that helps you get IntelliSense support for DevExpress client-side objects in Visual Studio. Add IntelliSense Support Follow these 3 easy steps to add IntelliSense support to your project: 1) Install the latest DXperience v2010.1 release. (Currently, the DXperience v2010.1 beta is available to DXperience subscription license holders). 2) Click the Add Existing Item in your project menu. Then add the ASPxScriptIntelliSense.js file to your project which should be located...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How to get started with programming

  - by S.M.

  I have never programmed before. In the 5th grade, I did write very elementary programs using BASIC and that was 7 year back. I wish to learn how to program and I was wondering if someone could please suggest how to get started. For example, I do not know enough to form a judgement on what language should be appropriate to get started. What programming language would you suggest to get started with programming? What are the resources to learn the language you recommend.

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• Where should a programmer explain the extended logic behind the code?

  - by SRKX

  I have developed a few quantitative libraries in C# where it is important to understand not only the classic information that goes with the XMLDoc comments (which contains basic information with the method signature) but also the mathematical formulas being use within the methods. Hence I would like to be able to include extended documentation with the code, which could contain, for example Latex formulas, graphs, and so on. Do you think such information should be included in the API documentation? Or should it be included in a dev blog for examples? Are there common tools that are usually used for this kind of purposes?

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• Dump an arbitrary object To Html String

  - by Michael Freidgeim

  For debugging purposes me and my collegue wanted to dump details of the arbitrary object, and created function that uses LINQPad Dump functionality (thanks to http://stackoverflow.com/a/6035014/52277 and original http://linqpad.uservoice.com/forums/18302-linqpad-feature-suggestions/suggestions/447166-make-dump-extension-method-available-in-visual-s discussion)    public static string DumpToHtmlString<T>(this T objectToSerialize)        {            string strHTML = "";            try            {                var writer = LINQPad.Util.CreateXhtmlWriter(true);                writer.Write(objectToSerialize);                strHTML = writer.ToString();            }            catch (Exception exc)            {                Debug.Assert(false, "Investigate why ?" + exc);            }            return strHTML;        }You will need to add the linqpad executable as a reference in your project.TO DO similar in plain text ,look at https://github.com/ServiceStack/ServiceStack.Text StringExtensions , e.g. JsonSerializer/CsvSerializer or http://objectdumper.codeplex.com/

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• I am building a simply website for my mobile app & need good recommendation on where to host it [closed]

  - by Gob00st

  Possible Duplicate: How to find web hosting that meets my requirements? 1Question 1 I am building a simply website for my mobile app & need good recommendation on where to host it ? I am not expectation a large access volume any time soon but I want stability in general & considering I am just starting to do my 1st app, so I probably need it to be relative cheap. Please recommend me some stale & cost effective web hosting service ? 2Question 2 Also since I am some what new to web development (know basic HMTL & have used front page/dream weaver like 10 years ago, but haven't touched it for ages). But I am a good c++ software developer. How to you recommend me to build a simple static website(maybe just a few pages) for my mobile app ? Any template or tool recommendation ? Thanks a lot.

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• Book suggestions for GUI related topics [closed]

  - by asrijaal

  In the past, I've developed more on the server side, so no big GUI/graphic programming topics have crossed my way so far. I'm switching a little bit to the mobile plattforms (iOS, android) and would like to gather more info on the visual/graphic side. Using the SDK controls/widgets isn't that challenging and I would love to get deeper into the view/presentation layer. Animations, drawing itself, probably OpenGL. Any books that would take me a little deeper in understanding how drawing actually works would be helpful.

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• Issue with text in a Intel 82945G Express Chipset Family

  - by user34681

  I am on Ubuntu 11.04 and the text in all the applications often looks with visual artifacts. I have installed xserver-xorg-video-intel. Attached a image so you can appreciate. lshw -c video output: *-display description: VGA compatible controller product: 82945G/GZ Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 02 width: 32 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:16 memory:dfe00000-dfe7ffff ioport:8800(size=8) memory:e0000000-efffffff memory:dfe80000-dfebffff In the text selected in green you can see the 'Online', 'File' and 'hassle' words cut.

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• Back to the future! New version of the VB6 InteropForms toolkit is released!!

  Along with all the new goodies that we released yesterday as part of Visual Studio 2010, one additional thing we did yesterday as well is release an update to the popular interopforms toolkit.   This update brings VS 2010 (and VS 2008!) support to the toolkit and fixes a smattering of reported bugs.    As many of you are aware, VB6 applications are alive and well in the community and this toolkit has proven to be quite successful in helping developers evolve these apps with...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Distributed cache and improvement

  - by philipl

  Have this question from interview: Web Service function given x static HashMap map (singleton created) if (!map.containsKey(x)) { perform some function to retrieve result y map.put(x, y); } return y; The interviewer asked general question such as what is wrong with this distributed cache implementation. Then asked how to improve on it, due to distributed servers will have different cached key pairs in the map. There are simple mistakes to be pointed out about synchronization and key object, but what really startled me was that this guy thinks that moving to database implementation solves the problem that different servers will have different map content, i.e., the situation when value x is not on server A but on server B, therefore redundant data has to be retrieved in server A. Does his thinking make any sense? (As I understand this is the basic cons for distributed cache against database model, seems he does not understand it at all) What is the typical solution for the cache growth issue (weak reference?) and sync issue (do not know which server has the key already cached - use load balancing)? Thanks

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• Why do you have to manually type variable names while debugging?

  - by SoboLAN

  I've seen this in a lot of IDEs (even in the most popular and heavily used ones, like Visual Studio): if you want to watch a variable's value, you have to manually type its name in the Watches section of the debugger. Why can't there just be a list of all of them with checkboxes next to them ? The developer can then just check the box next to the one he wants to watch and that's it. Variables with identical names can probably be numbered in some way (for example a, b, x(1), x(2), c, etc. I've seen some exceptions to this (NetBeans or BlueJ), but there are exceptions to everything, right ? Maybe it's a stupid question, maybe not, but I've always wondered why this is so.

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• What's the difference between AppMobi and PhoneGap?

  - by Ajmal

  I am new to the cross platform application development. I came across the very similar cross platform frameworks AppMobi and PhoneGaP. I found the basic difference between appmobi and phonegap is appMobi offers a complete cloud-based development system that includes a the XDK development tool. ie It's possible to develop Apple apps without owning a Mac using appMobi. I want to know Is there any differences between apk/ipa created using Appmobi and apk/ipa created using PhoneGap? Is there any difference in native features that can be used ? Also other differences between these two.

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• How can I improve the workflow between developer and designer with Expression Blend?

  - by Amenti

  We use WPF and Expression Blend 4. I'm trying to improve our workflow by tutoring one of our designers to use it for styling and animation. Slowly but surely I get the impression Blend in itself is to technical for the designer in question. I myself use it only occasionally (it's great for Visual States for instance) because a lot of things are easier done in code or not possible at all in Blend alone. It seems a developer with design experience is a lot more productive with it than a sole designer. Are there any good resources or advice as to how I can improve this workflow?

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• APress Deal of the Day - 19/Nov/2011 - Beginning GIMP

  - by TATWORTH

  Today's$10 Deal of the Day from APress at http://www.apress.com/9781430210702 is "Beginning GIMP". "In this fully-updated second edition, author and long-time member of the GIMP community Akkana Peck introduces the GIMP and shows you everything about it that you'll want to know—including how to prepare images for display on web pages, touch up digital photos, tap into powerful filters, effects, and plug-ins, and automate tasks using scripts." For those of you unfamilar with GIMP it is the GNU Image Manipulation Program and it is available for free from http://www.gimp.org/downloads/   Can't code withoutThe best C# & VB.NET refactoring plugin for Visual Studio

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