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  • Would Java programmers hire C# programmers?

    - by Linx
    I learned and used Java in college. After graduating, I got a job in C#. Two years after, there are a lot more positions in Java. Would I have a good chance to be hired as a Java programmer? What interview questions would I be asked? Update (07/10/2012): Thank you for all your answers and comments. I really appreciate it. I had a chance to work on a Java project for 9 months. It was with a mix of Perl because we were trying to migrate from Perl to Java. Eclipse has definitely improved a lot. I used Maven and Spring MVC. Pretty fun. So, after the project ended, I did Ruby on Rails. That was a year-long fun project also. Two years later, I am back to .NET. Overall, being a programmer has been very sweet. Wouldn't trade it for anything else!

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  • Want to learn/dive into Java Web Development—where to start?

    - by ernesto che
    Hi folks, I want to dive into Java Web Development, but I don’t know where to start because I am overwhelmed with Frameworks, JSRs, modules and the like. Coming from a PHP and Ruby (on Rails) background, it may seem awkward to go the other way ’round—still there are a lot of places where Java is (and probably will be) prevalent. I know basic Java concepts, syntax and OOP, and I have done (too much) nonsense in existing projects in JSP. I am already using SVN and GIT, but like coding PHP and Ruby mostly via VIM, i’ve also done versioning from the command line. But this time I want to learn to build a new project from the ground up, in a more, let’s say, academic way (instead of the hackery to date). Looking at e. g. Eclipse frightens me. Then there is Struts, Spring, JPA, Hibernate, Seam, just to throw in some buzzwords, that I cannot put into clear relation to each other. Can you point me to some tutorials or books that could help me? What are the technologies you absolutely have to know, the JSRs that are widely implemented in the industry? Or, if you are an employer: What does a “Junior Java Web developer” have to know? Thanks for your suggestions!

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  • puppet rspec no such file to load -- rspec-puppet (LoadError)

    - by Vorsprung
    I have no prior experience at all of ruby. I am not interested in ruby (and so have no knowledge of rails etc) as such but am using puppet to manage a group of servers. I have written some modules and the rspec-puppet system looks like it would be very useful. However, I cannot get rspec-puppet to work I am using Ubuntu LTS 10.04 I have installed puppet rspec using the directions on their web page What I actually did apt-get install rubygems # (installs 1.8) gem install rspec-expectations gem install rspec-puppet I also installed librspec-ruby1.8 Then I ran rspec-puppet-init in a puppet module directory I'd already made (it's a working puppet module) I made a file as defined in the tutorial $ more spec/defines/rule_spec.rb require 'spec_helper' describe 'vanusers::rule' do let(:title) { 't1' } it { should contain_class('vanusers::JamieA') } end but when I try and run it there is a mysterious dependancy issue $ spec spec/defines/rule_spec.rb /home/jamie/git/puppet/modules/vanusers/spec/spec_helper.rb:1:in `require': no such file to load -- rspec-puppet (LoadError) from /home/jamie/git/puppet/modules/vanusers/spec/spec_helper.rb:1 from ./spec/defines/rule_spec.rb:1:in `require' from ./spec/defines/rule_spec.rb:1 from /usr/lib/ruby/1.8/spec/runner/example_group_runner.rb:15:in `load' from /usr/lib/ruby/1.8/spec/runner/example_group_runner.rb:15:in `load_files' from /usr/lib/ruby/1.8/spec/runner/example_group_runner.rb:14:in `each' from /usr/lib/ruby/1.8/spec/runner/example_group_runner.rb:14:in `load_files' from /usr/lib/ruby/1.8/spec/runner/options.rb:132:in `run_examples' from /usr/lib/ruby/1.8/spec/runner/command_line.rb:9:in `run' from /usr/bin/spec:3 Here is the solution I came up with in the end:: apt-get install rubygems gem install rspec-expectations rspec-puppet puppet-lint puppetlabs_spec_helper so your path picks up the gem stuff export PATH=/var/lib/gems/1.8/bin:$PATH cd into module and rm spec/spec_helper.rb rspec-puppet-init replace Rakefile with require 'rake' require 'rspec/core/rake_task' require 'puppetlabs_spec_helper/rake_tasks' Then "rake spec" to run tests or "rake lint" to check files http://sysadvent.blogspot.co.uk/2013/12/day-22-getting-started-testing-your.html was an excellent source of info

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  • Advice for a computer science sophomore in college?

    - by RDas
    Hi Everyone! I'm a sophomore in college majoring in Computer Science and Math. I have always loved programming. I started programming in C when I was nine years old and over the years I've picked up Visual Basic, C#, Java, C++, JavaScript, Objective-C, Python, Ruby, elementary Haskell and elementary Erlang, and I learned Perl back in the day which I've mostly forgotten. I have not done much network programming. I have done CGI programming, but that was about six/seven years ago. I've done some socket programming and written (school) programs to do interprocess communication, which I understood and liked. I'm taking a course on client/server programming and another one on network security next semester, which I am really looking forward to. I'm seeking advice on how to proceed with future learning. I've mostly done application (mobile and desktop) development, not much of web development. I'd like to pick up some web development this coming semester. Since I know Ruby and Python, should I start by learning Django and/or Rails? Any other suggestions on starting web development? I have a good understanding of HTML and CSS. Also, I'd also like to know how hard it is to pick up and be good (read: productive) in functional programming languages coming from a purely structured/object oriented background? I've been reading up on Erlang and Haskell, and I'd like to know your opinions on whether it's worth my time trying to learn them. What about Lisp, Scheme and other functional languages? Any help/ideas would be really appreciated.

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  • SyncToBlog #10 Lots of Azure and Cloud Links including MIX10 videos

    - by Eric Nelson
    Just getting a few interesting cloud links “down on paper”. I last did one of these on Azure in Feb 20010. Cloud Links: Article on Debugging in the Cloud http://code.msdn.microsoft.com/azurescale  A sample app that demonstrates monitoring and automatically scaling an Azure application in response to dropping performance etc. Basically a console app that checks perf stats and then uses the Service Management API to spin up new instances when needed. Azure In Action book is imminent :) Running Memcached in Windows Azure from the MS UK team Using Microsoft Codename Dallas as a data source for Drupal also from the MS UK team I often mention them – but this post is the biz! Metodi on fault and upgrade domains Detailed blog post on comparing Azure AppFabric Service Bus REST support to the free Faye Ruby+JavaScript gem that implements the JSON publish/subscribe protocol Bayeux. AppFabric LABS allow you to test out and play with experimental AppFabric technologies. Details of the upcoming VM support in Windows Azure Nice series of posts from J D Meier in the Patterns and Practice team How To Use ASP.NET Forms Auth with Azure Tables  How To Use ASP.NET Forms Auth with Roles in Azure Tables How To Use ASP.NET Forms Auth with SQL Server on Windows Azure And sessions from MIX10 held March 15th to 17th: Lap around the Windows Azure Platform – Steve Marx Building and Deploying Windows Azure Based Applications with Microsoft Visual Studio 2010 – Jim Nakashima Building PHP Applications using the Windows Azure Platform – Craig Kitterman, Sumit Chawla Using Ruby on Rails to Build Windows Azure Applications – Sriram Krishnan Microsoft Project Code Name “Dallas": Data for your apps – Moe Khosravy Using Storage in the Windows Azure Platform – Chris Auld Building Web Applications with Windows Azure Storage – Brad Calder Building Web Application with Microsoft SQL Azure – David Robinson Connecting Your Applications in the Cloud with Windows Azure AppFabric – Clemens Vasters Microsoft Silverlight and Windows Azure: A Match Made for the Web – Matt Kerner Something for everyone :)

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  • Jack of all trades, master of none [closed]

    - by Rope
    I've got a question similar to this one: Is looking for code examples constantly a sign of a bad developer? though not entirely. I got off college 2 years ago and I'm currently struggling with a University study. Most likely I'll have to drop out and start working within the next couple of months. Now here's the pickle. I have no speciality what so ever. When I got out of college I had worked with C, C++ and Java. I had had an internship at NEC-Philips and got familiar with C# (.NET) and I taught myself how it worked. After college I started working with PHP, HTML,SQL, MySQL Javascript and Jquery. I'm currently teaching myself Ruby on Rails and thus Ruby. At my university I also got familiar with MATLAB. As you can see I've got a broad scope of languages and frameworks I'm familiar with, but none I know inside-out. So I guess this kinda applies to me: "Jack of all trades, master of none.". I've been looking for jobs and I've noticed that most of them require some years of experience with a certain language and some specifications that apply to that language. My question is: How do I pick a speciality? And how do I know if I'll actually enjoy it? As I've worked with loads of languages how would I be able to tell this is right for me? I don't like being tied down to a specific role and I quite like being a generalist. But in order to make more money I would need a specialisation. How would I pick something that goes against my nature? Thanks in advance, Rope.

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  • Flexible cloud file storage for a web.py app?

    - by benwad
    I'm creating a web app using web.py (although I may later rewrite it for Tornado) which involves a lot of file manipulation. One example, the app will have a git-style 'commit' operation, in which some files are sent to the server and placed in a new folder along with the unchanged files from the last version. This will involve copying the old folder to the new folder, replacing/adding/deleting the files in the commit to the new folder, then deleting all unchanged files in the old folder (as they are now in the new folder). I've decided on Heroku for the app hosting environment, and I am currently looking at cloud storage options that are built with these kinds of operations in mind. I was thinking of Amazon S3, however I'm not sure if that lets you carry out these kinds of file operations in-place. I was thinking I may have to load these files into the server's RAM and then re-insert them into the bucket, costing me a fortune. I was also thinking of Progstr Filer (http://filer.progstr.com/index.html) but that seems to only integrate with Rails apps. Can anyone help with this? Basically I want file operations to be as cheap as possible.

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  • How should I start with Lisp?

    - by Gary Rowe
    I've been programming for years now, working my way through various iterations of Blub (BASIC, Assembler, C, C++, Visual Basic, Java, Ruby in no particular order of "Blub-ness") and I'd like to learn Lisp. However, I have a lot of intertia what with limited time (family, full time job etc) and a comfortable happiness with my current Blub (Java). So my question is this, given that I'm someone who would really like to learn Lisp, what would be the initial steps to get a good result that demonstrates the superiority of Lisp in web development? Maybe I'm missing the point, but that's how I would initially see the application of my Lisp knowledge. I'm thinking "use dialect A, use IDE B, follow instructions on page C, question your sanity after monads using counsellor D". I'd just like to know what people here consider to be an optimal set of values for A, B, C and perhaps D. Also some discussion on the relative merit of learning such a powerful language as opposed to, say, becoming a Rails expert. Just to add some more detail, I'll be developing on MacOS (or a Linux VM) - no Windows based approaches will be necessary, thanks. Notes for those just browsing by I'm going to keep this question open for a while so that I can offer feedback on the suggestions after I've been able to explore them. If you happen to be browsing by and feel you have something to add, please do. I would really welcome your feedback. Interesting links Assuming you're coming at Lisp from a Java background, this set of links will get you started quickly. Using Intellij's La Clojure plugin to integrate Lisp (videocast) Lisp for the Web Online version of Practical Common Lisp (c/o Frank Shearar) Land of Lisp a (+ (+ very quirky) game based) way in but makes it all so straightforward

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  • Third-party open-source projects in .NET and Ruby and NIH syndrome

    - by Anton Gogolev
    The title might seem to be inflammatory, but it's here to catch your eye after all. I'm a professional .NET developer, but I try to follow other platforms as well. With Ruby being all hyped up (mostly due to Rails, I guess) I cannot help but compare the situation in open-source projects in Ruby and .NET. What I personally find interesting is that .NET developers are for the most part severely suffering from the NIH syndrome and are very hesitant to use someone else's code in pretty much any shape or form. Comparing it with Ruby, I see a striking difference. Folks out there have gems literally for every little piece of functionality imaginable. New projects are popping out left and right and generally are heartily welcomed. On the .NET side we have CodePlex which I personally find to be a place where abandoned projects grow old and eventually get abandoned. Now, there certainly are several well-known and maintained projects, but the number of those pales in comparison with that of Ruby. Granted, NIH on the .NET devs part comes mostly from the fact that there are very few quality .NET projects out there, let alone projects that solve their specific needs, but even if there is such a project, it's often frowned upon and is reinvented in-house. So my question is multi-fold: Do you find my observations anywhere near being correct? If so, what are your thoughts on quality and quantitiy of OSS projects in .NET? Again, if you do agree with my thoughts on "NIH in .NET", what do you think is causing it? And finally, is it Ruby's feature set & community standpoint (dynamic language, strong focus on testing) that allows for such easy integration of third-party code?

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  • Explain Model View Controller

    - by Channel72
    My experience with developing dynamic websites is limited mostly to Java servlets. I've used Tomcat to develop various Java servlets, and I wouldn't hesitate to say that I'm reasonably proficient with this technology, as well as with client-side HTML/CSS/Javascript for the front-end. When I think "dynamic website", I think: user requests a URL with a query string, server receives the query, and then proceeds to output HTML dynamically in order to respond to the query. This often involves communication with a database in order to fetch requested data for display. This is basically the idea behind the doGet method of a Java HttpServlet. But these days, I'm hearing more and more about newer frameworks such as Django and Ruby on Rails, all of which take advantage of the "Model View Controller" architecture. I've read various articles which explain MVC, but I'm having trouble really understanding the benefits. I understand that the general idea is to separate business logic from UI logic, but I fail to see how this is anything really different from normal web programming. Web programming, by it's very nature, forces you to separate business logic (back-end server-side programming) from UI programming (client-side HTML or Javascript), because the two exist in entirely different spheres of programming. Question: What does MVC offer over something like a Java servlet, and more importantly, what exactly is MVC and how is it different from what you would normally do to develop a dynamic website using a more traditional approach such as a Java servlet (or even something older like CGI). If possible, when explaining MVC, please provide an example which illustrates how MVC is applied to the web development process, and how it is beneficial.

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  • How could this diagram for "making a career move into software development" be improved?

    - by Edward Tanguay
    I'm giving a talk in April 2011 on "Developer English" and showing my non-developer audience, mostly English teachers, various diagrams to explain how developers see their industry etc. One of these diagrams is "Hot Technologies", basically, if you want to become a developer, what technologies should you learn to have the highest chance of (1) getting a job (2) making a good salary, and (3) work with the most exciting technology. This is a draft I made just to get some ideas out, basically C#, PHP, Java are where the bulk of the jobs are. Mobile development has a big future. JavaScript is becoming more and more important, and I want to list "minor technologies" such a Python, Ruby on Rails to the side, I assume e.g. that in general, there are a much smaller percentage of jobs in these technologies as in C#, PHP, Java. How could this diagram be improved? UPDATE Thanks everyone for your suggestions. I included most of them in my updated graphic. Does anyone know of more Java technologies that would be appropriate here and could anything be added to the gaming technologies?

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  • Why does XFBML work everywhere but in Chrome?

    - by Andrei
    I try to add simple Like button to my Facebook Canvas app (iframe). The button (and all other XFBML elements) works in Safari, Firefox, Opera, but in Google Chrome. How can I find the problem? EDIT1: This is ERB-layout in my Rails app <html xmlns:fb='http://www.facebook.com/2008/fbml' xmlns='http://www.w3.org/1999/xhtml'> ... <body> ... <div id="fb-root"></div> <script> window.fbAsyncInit = function() { FB.init({ appId: '<%= @app_id %>', status: true, cookie: true, xfbml: true }); FB.XFBML.parse(); }; (function() { var e = document.createElement('script'); e.async = true; e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js#appId=<%=@app_id%>&amp;amp;xfbml=1'; document.getElementById('fb-root').appendChild(e); }()); FB.XFBML.parse(); </script> <fb:like></fb:like> ... JS error message in Chrome inspector: Uncaught ReferenceError: FB is not defined (anonymous function) Uncaught TypeError: Cannot call method 'appendChild' of null window (anonymous function) Probably similar to http://forum.developers.facebook.net/viewtopic.php?id=84684

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  • Choosing a web development framework?

    - by Bob
    So, I've sort of reached a point where I want to start developing a website. Originally, I planned to build said website using PHP and CodeIgniter, I'm familiar with both, but, truth be told, I'm not too fond of either. I find they just get rather messy, CodeIgniter helps somewhat, but no matter what, it seems that most PHP comes out more obfuscated than it has to be. Anyways, I've come to the point where I want to either use Python or Ruby. I'm familiar in both, though more so towards Python, but I've never done any web development in them. I'll take the necessary time to learn the frameworks (and further my knowledge in the language of my choosing), but I need to choose one. I don't like either language more than the other, they both have their benefits... However, since I've never done any web development with either language, I was hoping that you guys could give me some pointers. What are the available frameworks for each language? What do you recommend and why? Note: I've primarily looked into Rails and Django - but I'm still open to others. I'm looking for one that will work for just one (or maybe two) developers. It has to be fairly easy to learn (but I will take the time to learn it). Also, I'd like it to easily support clean code and agile development.

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  • Technology stack for CRUD apps [closed]

    - by Panoy
    In the past years, I have been using VB6 + MySQL when developing CRUD applications. Now I am currently learning how to develop web applications, as my plan is to go through the "browser/web app" path every time I build a CRUD app. I'm leaning on Ruby on Rails + MySQL/PostgreSQL/any NoSQL database now. I would like to know what other technology/tools stack to include in my architecture when developing these web apps? I'm asking your inputs with regards to the UI, database and reporting stack/toolset. Currently I have these in mind: UI = jQuery, jQueryUI (add your comments for other good UI stack) database = will be considering NoSQL or simply but RDBMS reporting tool = i'm clueless here Will it also make sense to use NoSQL database on these CRUD applications? I am assuming that the data would balloon later on. The desktop/native app route is an option only if there is a requirement, that in my limited experience, believes that a web app can't solve. Like for example those imaging apps/document forms and point-of-sale systems. I believe that web apps are gaining ground now and I find it most fun and intriguing to play and experiment with them. Please share your suggestions!

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  • How should I start with Lisp?

    - by Gary Rowe
    I've been programming for years now, working my way through various iterations of Blub (BASIC, Assembler, C, C++, Visual Basic, Java, Ruby in no particular order of "Blub-ness") and I'd like to learn Lisp. However, I have a lot of intertia what with limited time (family, full time job etc) and a comfortable happiness with my current Blub (Java). So my question is this, given that I'm someone who would really like to learn Lisp, what would be the initial steps to get a good result that demonstrates the superiority of Lisp in web development? Maybe I'm missing the point, but that's how I would initially see the application of my Lisp knowledge. I'm thinking "use dialect A, use IDE B, follow instructions on page C, question your sanity after monads using counsellor D". I'd just like to know what people here consider to be an optimal set of values for A, B, C and perhaps D. Also some discussion on the relative merit of learning such a powerful language as opposed to, say, becoming a Rails expert. Just to add some more detail, I'll be developing on MacOS (or a Linux VM) - no Windows based approaches will be necessary, thanks. Notes for those just browsing by I'm going to keep this question open for a while so that I can offer feedback on the suggestions after I've been able to explore them. If you happen to be browsing by and feel you have something to add, please do. I would really welcome your feedback. Interesting links Assuming you're coming at Lisp from a Java background, this set of links will get you started quickly. Using Intellij's La Clojure plugin to integrate Lisp (videocast) Lisp for the Web Online version of Practical Common Lisp (c/o Frank Shearar) Land of Lisp a (+ (+ very quirky) game based) way in but makes it all so straightforward

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  • Cross-platform desktop programming: C++ vs. Python

    - by John Wells
    Alright, to start off, I have experience as an amateur Obj-C/Cocoa and Ruby w/Rails programmer. These are great, but they aren't really helpful for writing cross-platform applications (hopefully GNUStep will one day be complete enough for the first to be multi platform, but that day is not today). C++, from what I can gather, is extremely powerful but also a huge, ugly behemoth that can take half a decade or more to master. I've also read that you can very easily not only shoot yourself in the foot, but blow your entire leg off with it since memory management is all manual. Obviously, this is all quite intimidating. Is it correct? Python seems to provide most of the power of C++ and is much easier to pick up at the cost of speed. How big is this sacrifice? Is it meaningful or can it be ignored? Which will have me writing fast, stable, highly reliable applications in a reasonable amount of time? Also, is it better to use Qt for your UI or instead maintain separate, native front ends for each platform? EDIT: For extra clarity, there are two types applications I want to write: one is an extremely friendly and convenient database frontend and the other, which no doubt will come much later on, is a 3D world editor.

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  • MS Bing web crawler out of control causing our site to go down

    - by akaDanPaul
    Here is a weird one that I am not sure what to do. Today our companies e-commerce site went down. I tailed the production log and saw that we were receiving a ton of request from this range of IP's 157.55.98.0/157.55.100.0. I googled around and come to find out that it is a MSN Web Crawler. So essentially MS web crawler overloaded our site causing it not to respond. Even though in our robots.txt file we have the following; Crawl-delay: 10 So what I did was just banned the IP range in iptables. But what I am not sure to do from here is how to follow up. I can't find anywhere to contact Bing about this issue, I don't want to keep those IPs blocked because I am sure eventually we will get de-indexed from Bing. And it doesn't really seem like this has happened to anyone else before. Any Suggestions? Update, My Server / Web Stats Our web server is using Nginx, Rails 3, and 5 Unicorn workers. We have 4gb of memory and 2 virtual cores. We have been running this setup for over 9 months now and never had an issue, 95% of the time our system is under very little load. On average we receive 800,000 page views a month and this never comes close to bringing / slowing down our web server. Taking a look at the logs we were receiving anywhere from 5 up to 40 request / second from this IP range. In all my years of web development I have never seen a crawler hit a website so many times. Is this new with Bing?

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  • Duck checker in Python: does one exist?

    - by elliot42
    Python uses duck-typing, rather than static type checking. But many of the same concerns ultimately apply: does an object have the desired methods and attributes? Do those attributes have valid, in-range values? Whether you're writing constraints in code, or writing test cases, or validating user input, or just debugging, inevitably somewhere you'll need to verify that an object is still in a proper state--that it still "looks like a duck" and "quacks like a duck." In statically typed languages you can simply declare "int x", and anytime you create or mutate x, it will always be a valid int. It seems feasible to decorate a Python object to ensure that it is valid under certain constraints, and that every time that object is mutated it is still valid under those constraints. Ideally there would be a simple declarative syntax to express "hasattr length and length is non-negative" (not in those words. Not unlike Rails validators, but less human-language and more programming-language). You could think of this as ad-hoc interface/type system, or you could think of it as an ever-present object-level unit test. Does such a library exist to declare and validate constraint/duck-checking on Python-objects? Is this an unreasonable tool to want? :) (Thanks!) Contrived example: rectangle = {'length': 5, 'width': 10} # We live in a fictional universe where multiplication is super expensive. # Therefore any time we multiply, we need to cache the results. def area(rect): if 'area' in rect: return rect['area'] rect['area'] = rect['length'] * rect['width'] return rect['area'] print area(rectangle) rectangle['length'] = 15 print area(rectangle) # compare expected vs. actual output! # imagine the same thing with object attributes rather than dictionary keys.

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  • Integration of routes that are not resources in an MVC REST style application

    - by Emil Lerch
    I would like to keep my application relatively REST-pure for the sake of consistency, but I'm struggling philosophically with the relatively few views (maybe just one) that I'll need to build that don't relate to resources directly, and therefore do not fit into a REST style. As an example, take the home page. Ruby on rails seems to bail on their otherwise RESTful approach for this very basic need of all web sites. The home page appears special: You can get it, but a get at the resource level is supposed to give you a collection of elements. I can imagine this being the list of routes maybe, but that seems a stretch, and doesn't address anything else. Getting the home page by id doesn't seem to make a whole lot of sense - what's the element of a home collection? Again, maybe routes, but a get on a route would do what? Redirect? This feels odd. You can't delete it (arguably you could allow this for administrators) Adding a second one doesn't make sense except possibly if the elements were routes Updating it might make sense for administrators, but AFAIK REST doesn't describe updates on the resource directly, only elements of the resource (this article explicitly says "UNUSED" for PUTS on the resource) Is the "right" thing to do just to special case these types of things? At the end of the day, I can wrap my head around most of applications being gathered around resources...I can't think of another good example other than a home page, but since that's the start of an application, I think it warrants some thought.

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  • Which shopping cart / ecommerce platform to choose?

    - by fabien7474
    I need to build an ecommerce website within a tight budget and schedule. Of course, I have never done that before, so I have googled out what my solutions are and I have concluded that the following were not valid candidates anymore : Magento : Steep learning curve osCommerce : old, bad design, buggy and not user-friendly Zencart, CRE Loaded, CubeCart : based on osCommerce Virtuemart, uberCart, eCart : based on CMS (Joomal, Drupal, WordPress) that is not necessary for my use-case So I finally narrowed down my choices to these solutions : PrestaShop : easy-to-use, great templating engine (smarty) but many modules are not free buy yet indispensable OpenCart : security issues and not a great support from the main developer. See here and here. So, as you can see, I am a little bit confused and if you can help me choosing an easy-to-use, lightweight and cheap (not-necessarily free) ecommerce solution, I would really appreciate. By the way, I am a Java/Grails programmer but I am also familiar with PHP and .NET. (not with Python or Ruby/Rails) EDIT: It seems that this question is more appropriate for the Webmaster StackExchange site. So please move this question to where it belongs (I cannot do that) instead of downvoting it. BTW, I have found out a question quite similar on SO (http://stackoverflow.com/questions/3315638/php-ecommerce-system-which-one-is-easiest-to-modify) which is quite popular.

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  • Ruby workflow in Windows

    - by Rig
    I've done some searching and quite haven't come across the answer I am looking for. I do not think this is a duplicate of this question. I believe Windows could be a suitable development environment based on the mix of answers in that question. I have been developing in Ruby (mostly Rails but not entirely) for about a year now for personal projects on a Macbook Pro however that machine has faced an untimely death and has been replaced with a nice Windows 7 machine. Ruby development felt almost natural on the Mac after doing some research and setting up the typical stack. My environment then included the standard (Linux like) stuff built into OSX, Text Wrangler, Git, RVM, et al. Not too much of a deviation from what the 'devotees' tend to assume. Now I am setting up my new Windows box for continuing that development. What would my development environment look like? Should I just cave and run Linux in a VM? Ideally I would develop in Windows native. I am aware of the Windows Ruby installer. It seems decent but its not exactly as nice as RVM in the osx/linux world. Mercurial/Git are available so I would assume they play into the stack. Does one develop entirely in Windows? Does one run a webserver in a Linux VM and use it as a test bed while developing in Windows? Do it all in a VM? What does the standard Windows Ruby developer environment look like and what is the workflow? What would a typical step through be for adding a new feature to an ongoing project and what would the technology stack look like?

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  • is it possible to use shopify for just their shopping cart component or should I just roll my own

    - by timpone
    I'm working on an e-commerce site and am a rails developer; due to the nature of the items, I am managing them in their own database so I'm really looking for something that is only for the shopping cart aspect (there are things like heavy nesting and integration with other pieces of the app that would be very difficult to reproduce). It seems like there are two ways that I can go. (1) One way is rolling my own shopping cart and using something like Stripe (which I have been evaluating and am working fine with it). This literally could be as easy as creating an orders table and a line items table and a lot of front-end. (2) Or I could try to integrate into a third-party shopping cart like Shopify. I am not really sure if I can just use the shopify shopping cart or whether there is any advantage to this. If I already have most of my app done, would shopify (or another shopping cart app) provide any significant benefit (it clearly could)? Or would the integration be too much of a headache? Like for example, when a user 'adds to order' on my site, can I post to shopify and associate it with that user? thx

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  • How to learn the math behind the code?

    - by Solomon Wise
    I am a 12 year old who has recently gotten into programming. (Although I know that the number of books you have read does not determine your programming competency or ability, just to paint a "map" of where I am in terms of the content I know...) I've finished the books: Python 3 For Absolute Beginners Pro Python Python Standard Library by Example Beautiful Code Agile Web Development With Rails and am about halfway into Programming Ruby. I have written many small programs (One that finds which files have been updated and deleted in a directory, one that compares multiple players' fantasy baseball value, and some text based games, and many more). Obviously, as I'm not some sort of child prodigy, I can't take a formal Computer Science course until high school. I really want to learn computer science to increase my knowledge about the code, and the how the code runs. I've really become interested in the math part after reading the source code for Python's random module. Is there a place where I can learn CS, or programming math online for free, at a level that would be at least partially understandable to a person my age?

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  • What should I learn that I missed by not going to school?

    - by BinaryMuse
    I'm a software engineer at a local university, and I feel I'm able to competently do my job, but recently I've been interested in "filling in" the gaps in my knowledge. I suspect I would have learned some of this in school; for example, I don't have a lot of knowledge of sorting algorithms (something I feel is pretty common in college). So, what knowledge am I likely missing by not going to college that I could study on my own? Bonus points for listing resources that might put me on the right track! Some background: I've programmed in PHP, Java, and Ruby (more seriously in Java and Ruby than PHP); I have some experience with C/C++, though my workload doesn't really lend itself to those languages; I work mostly (recently) with the web, using frameworks such as CakePHP and Rails. I'm familiar with SQL (though probably not with some of the theory). Note: The university I work for has no technical classes, so taking courses on the university's dime is a great idea but not possible for me. :)

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  • Why isn't Java used for modern web application development?

    - by Cliff
    As a professional Java programmer, I've been trying to understand - why the hate toward Java for modern web applications? I've noticed a trend that out of modern day web startups, a relatively small percentage of them appears to be using Java (compared to Java's overall popularity). When I've asked a few about this, I've typically received a response like, "I hate Java with a passion." But no one really seems to be able to give a definitive answer. I've also heard this same web startup community refer negatively to Java developers - more or less implying that they are slow, not creative, old. As a result, I've spent time working to pick up Ruby/Rails, basically to find out what I'm missing. But I can't help thinking to myself, "I could do this much faster if I were using Java," primarily due to my relative experience levels. But also because I haven't seen anything critical "missing" from Java, preventing me from building the same application. Which brings me to my question(s): Why is Java not being used in modern web applications? Is it a weakness of the language? Is it an unfair stereotype of Java because it's been around so long (it's been unfairly associated with its older technologies, and doesn't receive recognition for its "modern" capabilities)? Is the negative stereotype of Java developers too strong? (Java is just no longer "cool") Are applications written in other languages really faster to build, easier to maintain, and do they perform better? Is Java only used by big companies who are too slow to adapt to a new language?

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