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  • Create many similar classes, or just one

    - by soandos
    The goal is to create an application that has objects that can represent some operations (add, subtract, etc). All of those objects will have common functions and members, and thus will either implement an interface or inherit from an abstract class (Which would be better practice, this will be in C# if that matters?). As far as I can see, there are two different ways of organizing all of these classes. I could create an addition class, a subtraction class, etc. This has the upside of being highly modular but the difference between classes is so minimal. I could create one class, and have a member that will say what type of operation is being represented. This means lots of switch statements, and losing some modularity, in addition to being harder to maintain. Which is is better practice? Is there a better way of doing that is not listed above? If it matters, the list of functions that should be supported is long.

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  • Testing what is happening inside your BizTalk solution

    - by Michael Stephenson
    As BizTalk developers we all know that one of the common challenges is how to test your BizTalk solution once it is deployed to BizTalk. Hopefully most of us are using the BizUnit framework for testing, but we still have the limitation that it's a very Black Box test. I have put together a sample and video to show a technique where I'm using the Logging Framework from the BizTalk CAT Team at Microsoft and where by BizUnit test is able to make assertions against the instrumentation going through the framework. This means that I can test for things happening such as the fact a component was executed or which branch of an orchestration was executed by simply using my normal instrumented code. I've put the sample and video for this on the following codeplex site: http://btsloggingeventsinbi.codeplex.com/ The video should also be on cloud casts fairly soon too.

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  • Should I use a unit testing framework to validate XML documents?

    - by christofr
    From http://www.w3.org/XML/Schema: [XML Schemas] provide a means for defining the structure, content and semantics of XML documents. I'm using an XML Schema (XSD) to validate several large XML documents. While I'm finding plenty of support within XSD for checking the structure of my documents, there are no procedural if/else features that allow me to say, for instance, If Country is USA, then Zipcode cannot be empty. I'm comfortable using unit testing frameworks, and could quite happily use a framework to test content integrity. Am I asking for trouble doing it this way, rather than an alternative approach? Has anybody tried this with good / bad results? -- Edit: I didn't include this information to keep it technology agnostic, but I would be using C# / Linq / xUnit for deserialization / testing.

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  • Why isn't functional language syntax more close to human language?

    - by JohnDoDo
    I'm interested in functional programming and decided to get head to head with Haskell. My head hurts... but I'll eventually get it... I have one curiosity though, why is the syntax so cryptic (in lack of another word)? Is there a reason why it isn't more expressive, more close to human language? I understand that FP is good at modelling mathematical concepts and it borrowed some of it's concise means of expression, but still it's not math... it's a language.

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  • Is HTML5 more secure to develop for than Silverlight?

    - by King Chan
    I'm learning Silverlight, and I know that if I master it, I can apply the same concepts to WPF, which means I can do either web or desktop development pretty easily. But I've read articles and followed the discussion online, and I understand HTML5 is gaining traction for being cross-platform, and a lot of people seem to be moving to HTML5. From my understanding, any HTML5 application would be built with HTML and JavaScript (or Flash). But is it secure? It seems like anyone can easily use their browser's "view source" option and grab your code. Is this something I should be worried about, or is there a way to protect against it?

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  • How can I install Eclipse 4 through Ubuntu Software Center (desktop 12.04 64bit)?

    - by quakkels
    How do I install Eclipse 4 through Ubuntu Software Center on my desktop 12.04 64 bit os? The reason I would like to install through Ubuntu Software Center is because it's easy to uninstall the software, and i want to manage all my installed programs through the Software Center. If I have to install through other means, will Eclipse show up in Ubuntu Software Center? Thanks for any help. Update: Clarification I did find Eclipse but it was version 3.7. I'm looking to install version 4.

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  • Why is my content database so large?

    - by PeterBrunone
    If your SharePoint site collection hasn't grown, but your content database has, the most likely culprit is versioning.  If a list -- or worse, a library -- has versioning enabled, the default is to keep every single one.  That means that every time someone edits and checks in a document, its storage footprint increases by the size of the document (and probably a little more).The solution?  It could be a bit painful, but you'll need to go back into each library and restrict the number of versions to keep (three is sufficient for most uses, but your needs may vary).  I suggest keeping only major versions as well, since minor versions are really just stopping points on the way to a published document.Of course if you have a real business need to keep all those versions around, then you'll want to look into an archiving solution that will take the old versions out of the content database but still make them available if necessary.

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  • WHM local/external mail server confusion

    - by BWRic
    We host several websites on the same server using WHM but this seems to confuse the mail routing when someone has their own external mail servers - it looks locally. We have our own email accounts hosted on the server. When creating an account for a client on the same server WHM adds the default entries to the DNS for that account. However this client has their own mail servers elsewhere. But when sending them an email it never reaches that external server - it just sees the local, incorrect one. I realise I can update my DNS to point to the external server, but this means I am copying their settings and if they are changed, then I will also need to update mine. Are there some settings I can use to force it to use the external servers without having to copy the settings.

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  • Ubuntu Software Center and Update Manager fail to open

    - by Giancarlo Palmiotti
    After attempting to install Google Chrome i386 the installation failed. I then proceeded to the AMD64 to see if it was the problem but...... My computer froze and I forced shut down. Now apport has a message saying An Error occurred please run Package Manager to fix the problem E:the package google-chrome-stable needs to be reinstalled but but i cant find an archive on it) This usually means your packages have unmet dependencies. Solution anyone PS:Update manager does not work and I don't have Snyaptic. The file itself failed at the real real end and froze everything but the cursor.

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  • can't update 12.04 getting package header error

    - by joel
    I originally posted this question, and was redirected to another thread where the question had already been asked. I then posted to that thread and had my post deleted by moderator fossfreedom, and told to post a "new" question... so wth ever.... I don't care if it's old or new I just need help here people! In a nutshell, I can't use sudo apt-get update or the GUI update tool to update my system. Anytime I try using either tool it gives me an error about packages missing headers. I can't send error reports, I have tried all the listed solutions from this post: I can't update my system properly, "no package header" error and from this post: "Problem with MergeList" error when trying to do an update and neither one work. I just want a working solution since I don't have the means of re-installing the OS entirely, and I REALLY don't want to have to go back to using Windows.

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  • Mouse wheel on Dell Vostro V13

    - by Scaine
    I have a Dell Vostro V13, which Canonical claim is "Certified" for Ubuntu (http://www.ubuntu.com/certification/make/Dell/laptops). So it surprises me that the synaptics trackpad isn't recognised as such and defaults to psmouse emulation. This means no multitouch, no gestures, and more importantly, no mousewheel scrolling. Because it's not loading the synaptic driver, running gpointing-device-settings doesn't help. I've found this bug : https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/380126 which suggests a fix has been committed, but I can't see a way of getting this loaded on my Maverick build. I've tried backports and proposed repos in synaptic, but no joy. Any ideas?

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  • ASP.NET 3.5 Gridview Hyperlink Columns

    One of the most common applications of GridView tables in ASP.NET 3.5 involves hyperlinks. The hyperlink can be database-driven which means it will retrieve hyperlink information from the MS SQL server database in the form of URLs or part of complete URLs. Adding hyperlinks to the Gridview columns can be accomplished using the hyperlinkfield. ... Business Productivity Online Suite From $10 per user per month. Includes a 12-month subscription. Min 5 seats.

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  • Boots to a totally blank screen after I installed some ATI Radeon card updates

    - by baboonWorksFine
    I am using Ubuntu 10.04 LTS, dual boot with win7 on ThinkPad T400, I followed Ubuntu update hints and installed some update for my ATI Radeon graphic card, but when I boot to Ubuntu(means I can still load GRUB), the tragedy happened, the screen goes to blank and no matter what key stroke, I can not get any responds, I try to go to text terminal, but impossible! However when I hit the power button, the computer would pop out the Ubuntu shutdown screen briefly and shut down. I figure out I should delete the updates package of my graphic card, but I don't even get a chance to go to text terminal, please help me!

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  • How would you answer this job-interview question?

    - by ahmed
    One of the five people who interviewed me asked a question that resulted in an hour-long discussion: "Explain how you would develop a frequency-sorted list of the ten thousand most-used words in the English language." My initial response was to assail the assumptions underlying the problem. Language is a fluid thing, I argued. It changes in real time. Vocabulary and usage patterns shift day-to-day. To develop a list of words and their frequencies means taking a snapshot of a moving target. Whatever snapshot you take today isn't going to look like the snapshot you take tomorrow or even five minutes from now. Thanking you advance for your answers and consideration.

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  • "Unable to connect" to getdeb.net, how do I fix it?

    - by Nirmik
    i want to know what this error means and how to fix it? The following is the output on the terminal- W: Failed to fetch http://archive.getdeb.net/ubuntu/dists/precise-getdeb/Release.gpg Unable to connect to archive.getdeb.net:http: W: Failed to fetch http://archive.getdeb.net/ubuntu/dists/precise-getdeb/apps/binary-i386/Packages Unable to connect to archive.getdeb.net:http: W: Failed to fetch http://archive.getdeb.net/ubuntu/dists/precise-getdeb/apps/i18n/Translation-en_IN Unable to connect to archive.getdeb.net:http: W: Failed to fetch http://archive.getdeb.net/ubuntu/dists/precise-getdeb/apps/i18n/Translation-en Unable to connect to archive.getdeb.net:http: E: Some index files failed to download. They have been ignored, or old ones used instead.

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  • Programming Language Family Tree?

    - by user134353
    As a man interested in programming, I must ask if there is a cataloged hierarchy of languages. I'd like to learn to actually understand what's happening- that is to say, I don't want to use a compiler until I understand what a compiler does and how to make my own. I really do want to start from total scratch. I'm told that means "machine code"? I don't know. What I do know is that "C++" is not the start. I'm not interested in learning that until I can actually break software down to its very base and see how the pieces go together.

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  • Why do we move the world instead of the camera

    - by sharethis
    I heard that in an OpenGL game what we do to let the player move is not to move the camera but to move the whole world around. For example here is an extract of this tutorial: http://open.gl/transformations In real life you're used to moving the camera to alter the view of a certain scene, in OpenGL it's the other way around. The camera in OpenGL cannot move and is defined to be located at (0,0,0) facing the negative Z direction. That means that instead of moving and rotating the camera, the world is moved and rotated around the camera to construct the appropriate view. Why do we do that?

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  • Oct 15 in Oslo - SharePoint 2013 Day - a rundown of everything SP2013

    - by Sahil Malik
    SharePoint 2010 Training: more information A full day of a fun filled overview of what is new in SharePoint 2013, mixed in with some good food, chit chat, and lots of learning. Seriously, there is so much information about SharePoint 2013, wouldn’t it be nice if someone distilled that to – “What it means for you”?Where do you start, how do you go about learning? And most importantly, talk about the practical side of things when it comes to implementing and debugging much of this? If you are an IT Pro or a Developer working with SharePoint, with interest in SharePoint 2013, you would find this event extremely interesting. You can find the full outline at the registration link, but here are some details, Read full article ....

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  • Changing the content of a website completely, and SEO

    - by Sercan
    I have a blog running since like 10 months, which have 300 organic unique visitors daily, and now I will establish an eCommerce website on that domain. That means, I will delete all the content related to the blog. And publish new pages related to eCommerce using a different script. Content of the blog and the topic of eCommerce are also quite different. How should i do this change in terms of SEO? What should I expect in terms of Search Rankings, organic hit?

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  • Euler Problem 20

    - by MarkPearl
    This was probably one of the easiest ones to complete – a quick bash got me the following… The Problem n! means n (n 1) ... 3 2 1 For example, 10! = 10 9 ... 3 2 1 = 3628800, and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27. Find the sum of the digits in the number 100! The Solution   private static BigInteger Factorial(int num) { if (num > 1) return (BigInteger)num * Factorial(num - 1); else return 1; } private static BigInteger SumDigits(string digits) { BigInteger result = 0; foreach (char number in digits) { result += Convert.ToInt32(number)-48; } return result; } static void Main(string[] args) { Console.WriteLine(SumDigits(Factorial(100).ToString())); Console.ReadLine(); }

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  • In a multiplayer game, should I store the list of character names on the Player class?

    - by Gökhan Nas
    I am writing a multiplayer game that has account system and character creation system like standart MMORPGs. I have a question about name creating issue. I think that I can create a static variable on Player class that keeps created player names but it confused me. It will tell me name is valid or unvalid depends on the other players has this name. Questions; Does implementation does make sense ? If i have 1000 players, is it means it consumes 1000 times of memory of this list? Or it just consume as like there is one? What is your suggestion for place that I can keep player name list? A new class?

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  • Semi-transparent parts of theme show as full white

    - by Kilian
    I am running ubuntu 10.04 64bit on a macbook pro, using the nvidia-drivers version 260.19.29. As of a recent kernel update, all the semi-transparent parts of my theme show as full white. This means: no gradients on scrollbars and buttons, 'inverted' dividers in context menu's, full white gnome-do panel etc. Does anyone know what causes this and how I can fix it? Screenshot examples below. Scrollbars: Gnome-do: 'inverted' dividers in the context menu: (Last two links are not links due to not having sufficient points)

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  • 3D array in a 2D array

    - by Smallbro
    Currently I've been using a 3D array for my tiles in a 2D world but the 3D side comes in when moving down into caves and whatnot. Now this is not memory efficient and I switched over to a 2D array and can now have much larger maps. The only issue I'm having now is that it seems that my tiles cannot occupy the same space as a tile on the same z level. My current structure means that each block has its own z variable. This is what it used to look like: map.blockData[x][y][z] = new Block(); however now it works like this map.blockData[x][y] = new Block(z); I'm not sure why but if I decide to use the same space on say the floor below it wont allow me to. Does anyone have any ideas on how I can add a z-axis to my 2D array? I'm using java but I reckon the concept carries across different languages.

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  • How To Remove Authorized PCs from Your Windows Store Account

    - by Taylor Gibb
    One of the awesome things about the Windows Store is you are allowed to install any app you purchase on up to 5 Windows machines. This means that the PC you install the app on gets added to your Trusted PC list. Here’s how to clean up that list. Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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  • Google analytics not provided for 55% of total traffic

    - by Neolisk
    I've been here and here to learn what (not provided) means. Now the question is if what I am seeing in my Google Analytics stats for my website is considered normal (and whether I can/should do anything about it). Here are the statistics from one day, but other days are similar: 102 visits, 57 is from (not provided), that's over 55% of unknown keywords. Is it normal to have it like that? Does google plan to do anything about it? In other words, what's the perspective? In my understanding, with this approach, as people switch to https, Analytics will stop being useful. Please correct me if I am wrong in my assumptions.

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