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• Going from webforms, VS 2008, 3.5 framework to the "next level" based on my goals

  - by Caveatrob

  I've got a few choices to make as I develop some business websites that will run for the next two to three years. Currently I run ASP.NET 3.5 with Visual Studio 2008. I do my development rather crudely in WebForms because that's what I learned and am most productive with. I don't use Membership or any other frameworks in my projects. I use a simple class that maintains a few session keys for each user based on basic database tables for users and roles. (I have about 3,000 users). So far I've kept the data simple, using ADO.NET against SQL Server and a data access class (Circa 2000, I know) to build my sites. My questions are as follows: Under what conditions would I be better off moving to MVC? Under what conditions would I find LINQ and ORM a better way to go than standard ADO.NET? Would I benefit, in my current state of development, from going from Studio 2008 to Studio 2010?

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• Getting Started with Oracle Fusion Project Portfolio Management

  Designed from the ground-up using the latest technology advances and incorporating the best practices gathered from Oracle's thousands of customers, Fusion Applications are 100 percent open standards-based business applications that set a new standard for the way we innovate, work and adopt technology. Delivered as a complete suite of modular applications, Fusion Applications work with your existing portfolio to evolve your business to a new level of performance. In this AppCast, part of a special series on Fusion Applications, you hear about the unique advantages of Fusion Project Portfolio Management, learn about the scope of the first release and discover how Fusion PPM modules can be used to complement and enhance your existing Projects solutions.

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• Calculating angle between 2 vectors

  - by Error 454

  I am working on some movement AI where there are no obstacles and movement is restricted to the XY plane. I am calculating 2 vectors: v - the direction of ship 1 w - the vector pointing from the position of ship 1 to ship 2 I am then calculating the angle between these two vectors using the standard formula: arccos( v . w / ( |v| |w| ) ) The problem I'm having is the nature of arccos only returning values between 0 and 180. This makes it impossible to determine whether I should turn left or right to face the other ship. Is there a better way to do this?

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• Custom .NET apps and clustering

  - by Ahmed ilyas

  So for a clustered environment - how would this work with your apps? what about your own custom .NET apps? Would there be a special way to develop them? I know that you can say create a simple Hello world app, and cluster that but they wouldnt be something you could see interms of the UI or anything, so they would effectively need to be developed as a Windows Service perhaps or even as a standard Console app which runs and not wait for user input but you wouldnt see any output from it (unless you redirect output to somewhere else) What im getting at here is... for those who have experience or developed a cluster application in .NET, how did you do it and what are the things to be aware of? For example we have the cloud service - fundamentally its built on clustering - if there is an outage, another node takes place and service is resumed as normal but we dont really see much of that downtime.

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• Function names - "standardized" prefixes

  - by dnsmkl

  Imagine you have such routines /*just do X. Fail if any precondition is not met*/ doX() /*take care of preconditions and then do X*/ takeCareOfPreconditionsCheckIfNeededAtAllAndThenDoX() A little bit more concrete example: /*create directory. Most probably fail with error if any precondition is not met (folder already exists, parent does not exists)*/ createDirectory(path_name) /*take care of preconditions (creates full path till folder if needed, checks if not exists yet) and then creates the directory*/ CheckIfNotExistsYet_CreateDirectory_andFullPathIfNeeded(path_name) How do you name such routines, so it would be clear what does what? I have come to some my own "convetion" like: naiveCreateDirectory, ForceDirectoryExists, ... But I imagine this is very standard situation. Maybe there already exists some norms/convetions for this?

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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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• Where to go from here, how to improve / learn more

  - by bExplosion

  I finished University around 4 years ago double degree in Software Eng/Comp Sci. Got my first job at a startup in my final year, was with them for 2.5 years then started my own business. So far everything is going great, lots of clients and stead work etc, but coming right out of uni and into a start up I never had any form or senior software engineer guiding my work or suggesting improvements etc... Whats the best way for me to improve & learn more? Books? MS Exams? Other? I develop in C#, ASP.NET/MVC. Update The problem isn't really with releasing products, I've released quite a few which are up and running with customers happy. It's more with quality of code, best practices, how do I know something I am code is correct, it may work but there may be ways of coding it much more efficiently or by adhering to some kind of standard Cheers for any responses! Matt

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• Magento not responding to payment gateway notifications fast enough or at all?

  - by robgt

  Some of our customers are getting to the confirmation of payment step in purchasing from our Magento store, and then they are getting a timeout error, where the SagePay payment gateway is trying to contact our server to tell it that a payment was successful (or not…) but it cannot contact our server, or cannot get a response from our server in a timely manner, and then the payment/order is being cancelled. I've raised this question to my hosting company, but all they told me was: "This is down to the way the software is configured on your server" This is currently a Magento 1.4.0.1 standard installation as far as payment gateways are concerned. What on earth could this statement mean? Is there some configuration that I need to do to make Magento listen to these requests and respond properly?

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• Adding a 'network' USB printer

  - by AndrewK

  I have a HP Deskjet 1050a printer, hence the 'network' in the title. Its a bog standard USB home printer. I have it attached to my router (has a USB port in it). I have got it connected and working to with Win8 PC and also a MacBook Air. Can't seem to get it to add as a printer to my Xubuntu laptop(s). It doesn't get detected automatically (not an actual network printer) and i've tried multiple options to get it working. It seems to add it but when printing a test page its saying the printer isn't connected. Ping works fine so it can see it, just can't add it as a printer. With Win8 I had to create a port with the IP of the printer (192.168.1.253 in this case), is there an Ubuntu alternative to do this?

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• Script to calculate the Median value for SQL Server data

  The standard SQL language has a number of aggregate functions like: SUM, MIN, MAX, AVG, but a common statistics function that SQL Server does not have is a built-in aggregate function for median. The median is the value that falls in the middle of a sorted resultset with equal parts that are smaller and equal parts that are greater. Since there is no built-in implementation for the median, the following is a simple solution I put together to find the median. Get smart with SQL Backup ProPowerful centralised management, encryption and more.SQL Backup Pro was the smartest kid at school. Discover why.

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• Question about creating a sprite based 2-D Side Scroller with scaling/zooming

  - by Arthur

  I'm just wondering if anyone can offer any advice on how best to go about creating a 2-D game with zooming/scaling features akin to the early Samurai Showdown games. In this case it would be a side scroller a la Metal Slug, the zooming would come in as more enemy sprites entered the screen, or when facing a large sized boss. A feature that would be both cosmetic as well as functional to the game. I've done some reading and noticed a few suggestions that included drawing different sized sprites, a standard size and zoomed out size. Any thoughts? Thanks for your time.

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• What does it mean to "have experience with the Unix/Linux command line"? [closed]

  - by Aerovistae

  I'm a new comp sci grad applying to jobs, and this requirement confuses me, especially since the job description (Python back-end developer) says it's the single most important thing ("Everything else we can teach you!") I mean, I know how to use the command line... I know your standard run-of-the-mill stuff like navigating around and manipulating files and permissions and using pipes and running applications, but what are they looking for when they say something like that? I'm aware there's no end to what you can do with the command line, but I was under the impression that after a certain point it's the sort of thing that only benefits server/system administrators.

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• Software Architecture

  - by Roger

  I have a question about Software Architecture, anyone can help me or give me some hints currently, I have a J2EE project which deploys in a server, I should a Java Standard project(J2SE) should run 24 hours x 7 days to monitor something it could not run separately, because the Java Project shared the some same classes such as Java Bean classes with the J2EE project maybe my design is not correct, can anyone suggest me what should I do? Using SOA? is this correct? my current solution is run this java project using a bash, but I dont think it is then best idea. I list my class packages com.company.alteck com.company.altronics com.company.gamming com.company.jaycar com.company.jup com.company.rpg com.company.sansai com.company.wiretech com.company.yatsal com.ebay.api com.ebay.bean com.ebay.credential com.ozsstock.finals com.ozstock.adapter com.ozstock.aspectj com.ozstock.model com.ozstock.persistence com.ozstock.service com.ozstock.suppliers my structure likes this, all the packages contains "company" should run separately, but depends on the model bean class. can anyone give me some hints to redesign?

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• 2012 JCP Awards

  - by Tori Wieldt

  Nominations are now open for the 2012 JCP Awards. Submit nominations to PMO at JCP dot ORG or use this form.  The Java Community Process (JCP) program celebrates success. Members of the community nominate worthy participants, Spec Leads, and Java Specification Requests (JSRs) in order to cheer on the hard work and creativity that produces ground-breaking results for the community and industry in the Java Standard Edition (SE), Java Enterprise Edition (EE), or Java Micro Edition (ME) platforms. The community gets together every year at the JavaOne conference to applaud in person the winners of three awards: JCP Member/Participant of the Year, Outstanding Spec Lead, and Most Significant JSR. This year’s unveiling will occur Tuesday evening, 2 October, at the Annual JCP Community Party held in San Francisco during JavaOne. Nominations close on 16 July 2012. More details are on the JCP blog.

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• New technical whitepaper on Database-as-a-Service

  - by Javier Puerta

  High Availability Best Practices for Database Consolidation- The Foundation for Database-as-a-Service. An Oracle White Paper - April 2014 This paper provides MAA best practices for Database Consolidation using Oracle Multitenant. It describes standard HA architectures that are the foundation for DBaaS. It is most appropriate for a technical audience: Architects, Directors of IT and Database Administrators responsible for the consolidation and migration of traditional database deployments to DBaaS.  Recommended best practices are equally relevant to any platform supported by Oracle Database except where explicitly noted as being an optimization or an example that applies only to Oracle Engineered systems. 

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• Cannot resume from hibernate (s2disk)

  - by hwjp

  I seem to be able to hibernate OK using s2disk, but when I switch the laptop back on, it seems to hang half-way through the "resuming" menu. The splash screen looks healthy, it seems to be trying to resume from the correct disk, but it hangs about half-way through, with three little pips. One great help would be - where can I find the logs, and how do I get more verbose ones? There is some info in /var/log/pm-suspend.log, but that all seems fine, just lots of hibernate: success messages... How do I switch on more verbose logging in s2disk? And what about the resume process, where are the logs for that, and how can I make them more detailed? Background: the standard Ubuntu hibernate wouldn't work, so I've install uswusp and its associated tools - s2disk etc. That initially made things worse, but a fair amount of fiddling with its config, my swap size and so on seem to have got it at least seemingly successfully suspending...

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• What made you contribute to that open source project? [closed]

  - by Ermin

  I'm interested in real experience and personal answers not just those standard worn out "benefits of contributing to open source" that we all memorized by heart by now. I've met many people who contribute to open source project and almost never did this topic come up: why did they contribute to this open source project. So, if you've contributed to an open source project before in any way, can you please pause for a second and try to remember what really made you decide to contribute to that particular project. Was it a random decision, was it because you were bored, was it because the company you worked for was already using it and you contributed as part of your job, was it because the project was too big you wanted to get contracts, or the project was too small you wanted to build it, or because your prof or co-worker asked you to help with his open source project, or..... To substantiate your reasons, please mention the project name and rate your involvement (heavy, occasional, light, once).

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• Correct process for creating builds reliant on 3rd party packages

  - by Patrick

  I work on a Symfony 2 codebase. We use a number of third-party packages (most are in the Symfony Standard Edition). We use composer for dependencies. We current have all of our third-party code committed in our repository (after changing .gitignore files) to ensure stability. According to Proper Programming Practices™, we are not supposed to have any third-party packages in our repo. We are supposed to pull them down and include them at build time. How are we to do proper QA and debugging when at any given time our dependencies could push an update that breaks functionality?

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• Is it OK to live without knowing how the program you created works?

  - by Kabumbus

  I mean, there are really useful libs that can solve problems when you are stuck and do not know how to solve this or that with your knowledge of programing language you use... For example, Boost for C++ or JQuery for JavaScript or Spring for Java... They solve problems in seconds and you do not really care how they did it (despite that they are written in the very same language you are programming in)... So I wonder am I alone use libs not being capable to write solutions for my problems from scratch or its standard practice?

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• Quelle est la règle de codage la plus étrange que vous avez été forcé de suivre ? Faîtes-nous part de vos anecdotes

  Quelle est la règle de codage la plus étrange que vous avez été forcé de suivre ? Faîtes-nous part de vos anecdotes Dans toute équipe de développement, des règles et des standards de conception sont adoptés tout le long du cycle de développement du produit. En dehors des bonnes pratiques et des patrons de conceptions ou tout autre standard permettant de coder proprement, certaines équipes disposent d'autres règles de codage qui doivent être obligatoirement appliquées par les développeurs. Si l'on trouve certaines règles assez utiles pour avoir un produit de qualité, d'autres par contre sont étranges, drôles ou pire, n'ont pratiquement aucun sens. Dans un post sur le...

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• In Google Analytics, how can I determine the value of a page if no goals or revenue have been determined?

  - by Brandon Durham

  I have 4 years of data in Analytics with over 20 million pageviews for the entire site. No goals have ever been set up, and while the site is an ecommerce site, no ecommerce features in Google Analytics have ever been taken advantage of. So I have no way to determine what the actual value of a page is. I've been tasked with determining if a particular page on the site is worth keeping around. How might I use all standard data (pageviews, bounce rate, time on page, time on site, etc.) to help determine the value of this page? I really appreciate any help I can get!

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• How to Create an Installable DotNetNuke PA Module Using OWS - 3 Videos

  In this tutorial we demonstrate how to create an Installable DotNetNuke PA (Private Assembly) Module using Open Web Studio. A PA module is a standard module that you would install using the host menu / extensions option in DotNetNuke. Throughout the tutorial we show you how to create a basic Contacts application using Open Web Studio and then how to package the OWS application so that it can be installed as a module to any DotNetNuke installation. The videos contain: Video 1 - How to Build a Contacts and Settings OWS Module Video 2 - How to Create the DNN Installable PA Module Files Video 3 - How to Create and Test the Installable PA Module Zip File Total Time Length: 22min 46secDid 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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• Is executing SQL through a WebService a really bad idea?

  - by Kyle

  Typically when creating a simple tool or something that has to use a database, I go through the fairly long process of first creating a webservice that connects to a database then creating methods on this webservice that do all the type of queries I need.. methods like List<Users> GetUsers() { ... } User GetUserByID(int id) { ... } //More Get/Update/Add/Delete methods Is it terrible design to simply make the webservice as secure as I can (not quite sure the way to do something like this yet) and just make a couple methods like this SqlDataReader RunQuery(string sql) { ... } void RunNonQuery(string sql) { ... } I would sorta be like exposing my database to the internet I suppose, which sounds bad but I'm not sure. I just feel like I waste so much time running everything through this webservice, there has to be a quicker yet safe way that doesn't involve my application connecting directly to the database (the application can't connect directly to database because the database isn't open to any connections but localhost, and where the appliction resides the standard sql ports are blocked anyway) Especially when I just need to run a few simple queries

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• Repositories and the Save Method

  One of the questions I've been getting lately goes like this: Should a Repository class have a Save method? And the standard answer: It depends. It's hard to keep track of all the different approaches to implementing the repository pattern these days, but I assume when someone asks me this type of question they are thinking of using code like this: var employee = new Employee(); employeeRepository.Save(employee); var account = new Account(); accountRepository.Save(account); This...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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• Vocabulary: Should I call this apply or map?

  - by Carlos Vergara

  So, I'm tasked with organizing the code and building a library with all the common code among our products. One thing that seems to happen all the time and I wanted to abstract is posted below in pseudocode, and I don't know how to call it (different products have different domain specific implementations and names for it) list function idk_what_to_name_it ( list list_of_callbacks, value common_parameter ): list list_of_results = new list for_each(callback in list_of_callbacks) list_of_results.push(callback(common_parameter)) end for_each return list_of_results end function Would you call this specific construct a list ListOfCallbacks.Map( value value_to_map) method or would it better be value Value.apply(list list_of_callbacks) I'm really curious about this kind of thing. Is there a standard guide for this stuff?

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