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• How to debug nHibernate/RhinoMocks TypeInitializer exception

  - by Joe Future

  Pulling my hair out trying to debug this one. Earlier this morning, this code was working fine, and I can't see what I've changed to break it. Now, whenever I try to open an nHibernate session, I'm getting the following error: Test method BCMS.Tests.Repositories.BlogBlogRepositoryTests.can_get_recent_blog_posts threw exception: System.TypeInitializationException: The type initializer for 'NHibernate.Cfg.Environment' threw an exception. --- System.Runtime.Serialization.SerializationException: Type is not resolved for member 'Castle.DynamicProxy.Serialization.ProxyObjectReference,Rhino.Mocks, Version=3.5.0.1337, Culture=neutral, PublicKeyToken=0b3305902db7183f'.. Any thoughts on how to debug what's going on here?

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• Best server-side javascript servers.

  - by fmsf

  Hey, I've been wondering to try out server-side javascript for a while. And I'm finding a good amount of servers, like: Node.js Rhino SpiderMonkey among others. Could anyone with experience on server-side javascript, tell me which are the best engines? and why? I like the Node.js because it's based on Google's V8 engine. And seems easy to use. But some feedback on what you would choose would be great. Edit: Some benchmarks for Node. I'm thinking on going with this one but feedback is still welcome. Thanks

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• Using javax.script to run javascript with browser settings (e.g. envjs)?

  - by Shane

  I am trying to run Protovis javascript from a Java program: ScriptEngineManager factory = new ScriptEngineManager(); ScriptEngine engine = factory.getEngineByName("JavaScript"); engine.eval(new java.io.FileReader("protovis-d3.1.js")); In order to run this, the JavaScript engine needs to have all the context of a web browser. The best option for this seems to be envjs. Unfortunately it seems that the version of Rhino included in the JVM isn't up to date and doesn't include everything that's necessary for envjs. Has anyone had any success working with a browser context from javax.script.

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• [C++] Write connected components of a graph using Boost Graph

  - by conradlee

  I have an file that is a long list of weighted edges, in the following form node1_id node2_id weight node1_id node3_id weight and so on. So one weighted edge per line. I want to load this file into boost graph and find the connected components in the graph. Each of these connected components is a subgraph. For each of these component subgraphs, I want to write the edges in the above-described format. I want to do all this using boost graph. This problem is in principle simple, it's just I'm not sure how to implement it neatly because I don't know my way around Boost Graph. I have already spent some hours and have code that will find the connected components, but my version is surely much longer and more complicated that necessary---I'm hoping there's a boost-graph ninja out there that can show me the right, easy way.

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• Server Side Javascript

  - by XGreen

  Hi all, I can't help to see in many sites I visit the enthusiasm about server side javascript and the appealing look of a single language governing all tiers of the site. Mozilla Rhino, Aptana Jaxer and various John Resig's articles are some of the highlights of my search. I wanted to ask for some input from you guys on SO. your opinions and preferably experience in this. I do most of the data access and business logic currently either with asp.net or php depending on the hosting package of the client. Is anyone among you who's gave up these for ssjs?

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• Anyone using Moles / Pex in production?

  - by dferraro

  Hi all, I did search the forum and did not find a similar question. I'm looking to make a final decision on our mocking framework of choice moving forward as a best practice - I've decided on Moq... untill I just recently discovered MS has finally created a mocking framework called Moles which seems to work similar to TypeMock via the profiler API sexyness etc.. There's a million 'NMock vs Moq vs TypeMock vs Rhino....' threads on here. But I never see Moles involved.In fact, I did not even know if its existence until a short time ago. Anyone using it? In Production? Anyone dump their old mocking framework for it, and if so, which one? How did it compare to ther mocking frameworks you've used? thanks.. ps, we are using VS2008 and are moving to 2010 shortly.

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• Django, ModelForms, User and UserProfile - not hashing password

  - by IvanBernat

  I'm trying to setup a User - UserProfile relationship, display the form and save the data. When submitted, the data is saved, except the password field doesn't get hashed. Additionally, how can I remove the help_text from the username and password (inherited from the User model)? Full code is below, excuse me if it's too long. Models.py USER_IS_CHOICES = ( ('u', 'Choice A'), ('p', 'Choice B'), ('n', 'Ninja'), ) class UserProfile(models.Model): user = models.ForeignKey(User, unique=True) user_is = models.CharField(max_length=1, choices=USER_IS_CHOICES) Forms.py class UserForm(forms.ModelForm): class Meta: model = User fields = ["first_name", "last_name", "username", "email", "password"] def clean_username(self): username = self.cleaned_data['username'] if not re.search(r'^\w+$', username): raise forms.ValidationError('Username can contain only alphanumeric characters') try: User.objects.get(username=username) except ObjectDoesNotExist: return username raise forms.ValidationError('Username is already taken') class UserProfileForm(forms.ModelForm): class Meta: model = UserProfile fields = ['user_is'] Views.py if request.method == 'POST': uform = UserForm(request.POST) pform = UserProfileForm(request.POST) if uform.is_valid() and pform.is_valid(): user = uform.save() profile = pform.save(commit = False) profile.user = user profile.save() return HttpResponseRedirect('/') else: uform = UserForm() pform = UserProfileForm() variables = RequestContext(request, { 'uform':uform, 'pform':pform }) return render_to_response('registration/register.html', variables)

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• server side Adobe AIR apps

  - by Robbie

  This might sound like a really stupid question, but is there anyway to run an Adobe AIR application in a headless server side mode on a non-UI server (i.e. Linux)? I'm trying to build server side bots to interact with an API (grapevinetalk.com) and I want to use existing code to do that without having to re-write all the data munging etc for a new application. The application I'm trying to port is essentially a jQuery based AIR desktop app that I want to reuse for server side interactions. I've tried Rhino with envjs.com, but am having some issues so am looking at alternatives. Thanks Robbie

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• Unit Testing, IDataContext and Stored Procedures via Linq

  - by Terry_Brown

  hey folks, I'm currently using Stephen Walther's approach to unit testing Linq to SQL and the datacontext (http://stephenwalther.com/blog/archive/2008/08/17/asp-net-mvc-tip-33-unit-test-linq-to-sql.aspx) which is working a treat for all things linq. My Dal layer takes in an IDataContext, I use DI (via Unity) to concrete that up as the correct DataContext object and all works well. But - we have a company policy here of writes going via Stored Procs. Has anyone come up with a solution for mocking/faking the data context and still allowing stored procs to effectively be unit tested? I've got no real experience of any of the mocking frameworks (Rhino etc.) so if these are the correct means of doing this, I'd love some pointers on guides for them. Many thanks, Terry

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• Why has Javascript been (mostly) only a browser-side technology for more than 10 years?

  - by Gabriel Cuvillier

  Recently there is a lot of projects that pushes Javascript into other directions: as a general purpose scripting language (GLUEScript, Rhino), as an extension language (QTScript, Adobe Reader, OO Macros), Widgets (Yahoo Widgets, MS Gadgets, Dashboard), and even server-side JS & web frameworks (CommonJS, Helma, Phobos, V8cgi), which seems obvious since it is already a language widely used for web development. But wait, everything is so new and nothing is really mature. However JS is around for almost 15 years, being as powerfull as any other scripting languages, being standardised by the ECMA, and being a mandatory technology for web development. Why did it take so much time to gain acceptance into other domains than web browsers?

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• Is there anything for Python that is like readability.js?

  - by Emre Sevinç

  Hi, I'm looking for a package / module / function etc. that is approximately the Python equivalent of Arc90's readability.js http://lab.arc90.com/experiments/readability http://lab.arc90.com/experiments/readability/js/readability.js so that I can give it some input.html and the result is cleaned up version of that html page's "main text". I want this so that I can use it on the server-side (unlike the JS version that runs only on browser side). Any ideas? PS: I have tried Rhino + env.js and that combination works but the performance is unacceptable it takes minutes to clean up most of the html content :( (still couldn't find why there is such a big performance difference).

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• jQuery 1.4.x and the @ symbol

  - by David

  I used to use this script for jquery email obfuscation: $(".replaceAt").replaceWith("@"); $(".obfuscate").each(function () { $(this).attr("href", "mailto:"+$(this).text()); }); <a class="obfuscate">name<span class="replaceAt">-AT-</span>server.com</a> But with jQuery 1.4.x, I now get this error: uncaught exception: Syntax error, unrecognized expression: @ Looking this up on the net, it looks like jQuery thinks that the @ is a special character. I tried to "\@" it and a few other things with not luck. I'm not enough of a jQuery ninja to know how to fix this. Any ideas?

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• Which C# 4.0 Book would you purchase, and why?

  - by Jeremy

  I'm currently looking at purchasing a few C# 4.0 books, namely: Essential C# 4.0 by Mark Michaelis or C# 4.0 Unleashed by Bart De Smet. I am aware that both books are yet to be released, but would you consider purchasing either of these books, or would you recommend another? Thanks for your time. Clarification: I'm not a .net Ninja, but I do have 8+ years experience with the framework & related languages. So I'm generally looking for in-depth books. I also train/instruct the rest of my organisation generally 6 - 12 months after each .net release. Each of the developers I train has the same or more .net experience then myself. Once again thank you all for your time. Update: Thank you everyone for your responses. I've decided to purchase both books along with Visual C# 2010 Recipes: A Problem-Solution Approach, as suggested by Waleed Al Balooshi.

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• application authentication design ideas

  - by Berryl

  Hello I am working with on an app that uses wpf / silverlight on the front end and nhibernate on the back end, and looking for some design ideas to address authentication; I was looking at Rhino Security which I think is pretty slick and certainly useful, but doesn't in and of itself seem to address authentication. That said, I am looking for something of a technology agnostic overview of authentication design issues at this point. Does anyone have any links and / or experiences with an authentication design that is relatively easy to adapt to different common technologies. Cheers, Berryl

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• How can I expose a service bus by a wcf service to be consumed by a silverlight client

  - by illdev

  In a Silverlight application, instead of consuming and writing (wcf) wrappers around messages that finally get sent to the bus, I want to send use my message bus as directly as possible. My idea was to expose the service bus directly as a wcf service, or, in other terms, I want to bidirectionally pub/sub over the wire. Has this been done already? Is bi-directionality doable at all? After all, we are (are we restricted to that?) in the http domain? Lots of questions. Some head start would be greatly appreciated! I am in .NET land, with using Rhino Service Bus, but the pattern should apply to different platforms.

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• Scripting language to embed into a Java server application

  - by Alexey Kalmykov

  I want to make a business logic of server side Java application as a set of scripts. So I need from a scripting engine: Maximum Java interoperability (i.e. Spring framework) Script reloading and recompiling Easy DB access from scripting language Clear and simple syntax (some DSL capabilities would be nice to have), easy learning curve for non-hardcore developers Performance and stability I had some experience in the similar project with Rhino and it was pretty good. But I want to see if there is something better. Currently I'm looking into Groovy. JRuby and Jython are a bit more complex than I need for this task. Any other suggestion? What to take into consideration?

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• Animating shorthand CSS properties with jQuery

  - by Giulio Piancastelli

  Chapter 3 of jQuery Novice to Ninja starts with a section about animating CSS properties, and its first example suggests the following code should expand padding and add a couple of borders to every paragraph in a page: $('document').ready(function() { $('p').animate({ padding: '20px', borderBottom: '3px solid #8f8f8f', borderRight: '3px solid #bfbfbf' }, 2000); }); However, while the code indeed works with the jQuery 1.4 library included in the downloadable examples archive for the book, it only animates padding when used alongside jQuery 1.6, forgetting the shorthand CSS properties for border-bottom and border-right altogether. What happened in the transition between 1.4 and 1.6, causing the removal of this functionality? Has it been placed in some plugin? Is it possible to run this code as it's written and get back the border animation? If not, how would you animate border properties using jQuery 1.6?

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• Where can I find a proper JavaScript beautifier

  - by Ernelli

  I have used http://jsbeautifier.org/ successfully using Rhino and ant, but the problem is that it is not deterministic. If you run the beautifier twice on a file the result is different from each time, e.g. each pass inserts additional array intendation on some lines. I have spent a lot of time debugging the code in beautify.js and have made some workarounds for comment handling, but the array indentation bug is annoying. Is there a correct and properly working JS code formatter anywhere that can be used as part of a source code indentation verification system? EDIT I have now tested with preserve-array-formating disabled, and it seems that it solves the problem. Too bad, since preserve-array-formating is quite useful with large array constructs.

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• Doesn't JavaScript support closures with local variables?

  - by qollin

  I am very puzzled about this code: var closures = []; function create() { for (var i = 0; i < 5; i++) { closures[i] = function() { alert("i = " + i); }; } } function run() { for (var i = 0; i < 5; i++) { closures[i](); } } create(); run(); From my understanding it should print 0,1,2,3,4 (isn't this the concept of closures?). Instead it prints 5,5,5,5,5. I tried Rhino and Firefox. Could someone explain this behavior to me? Thx in advance.

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• Best anti boss tricks to hide your private page navigation from your desktop.

  - by systempuntoout

  This question is slightly related to programming and it's kinda lame, i know; but i saw many funny things in these years and i'm looking for new tricks from you. I'm talking about methods to fast-hide\camouflage not job related web pages on your desktop when boss arrives like a ghost\ninja behind your shoulders. I know how much can be frustrating, programming hard for ten hours and then been caught by your boss watching XKCD during a 2 minutes break. I think the most common anti boss trick is the evergreen CTRL+TAB, but you have to be fast and your left hand has to be near the keyboard. I saw pitch black brightness on Lcd (how can you pretend to program on that?) or custom sized browser to fit a little space just below the IDE. My favourite one at the moment is using fire gesture plugin with FF; with a micro gesture you can hide FF to your tray in a blink of an eye. Do you have any trick to share?

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• Javascript Regex multiple group matches in pattern

  - by mummybot

  I have a question for a Javascript regex ninja: How could I simplify my variable creation from a string using regex? I currently have it working without using any grouping, but I would love to see a better way! The string is: var url = 'resources/css/main.css?detect=#information{width:300px;}'; The code that works is: var styleStr = /[^=]+$/.exec(url).toString(); var id = /[^\#][^\{]+/.exec(styleStr).toString(); var property = /[^\{]+/.exec(/[^\#\w][^\:]+/.exec(styleStr)).toString(); var value = /[^\:]+/.exec(/[^\#\w\{][^\:]+[^\;\}]/.exec(styleStr)).toString(); This gives: alert(id) //information alert(property) //width alert(value) //300px Any takers?

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• How might you unobtrusively enhance the jQuery Datepicker class?

  - by Teflon Ted

  You can pass special strings into jQuery's Datepicker class setDate() method like "+7" which will be translated into "7 days from today": http://docs.jquery.com/UI/Datepicker#method-setDate But you can't get that "+7" back out. When you call getDate() you get the calculated resulting date. I have a use case where I need to pull out the special string "+7" for propagation. One chunk of code is passing a special string into the Datepicker and passing the Datepicker over to another chunk of code which pulls out the date, but the latter sometimes needs to know the special string rather than the calculated date. So I need to enhance the Datepicker tool to (a) store the special code internally and (b) expose it via a method like getOriginallyPassedInDate() or some such. I'm not a jQuery/Javascript ninja so I could really use some guidance on how I might preferably-unobtrusively add the necessary functionality to the Datepicker class, the way you might monkey-patch an object in Ruby I'm guessing.

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• Talks Submitted for Ann Arbor Day of .NET 2010

  - by PSteele

  Just submitted my session abstracts for Ann Arbor's Day of .NET 2010.   Getting up to speed with .NET 3.5 -- Just in time for 4.0! Yes, C# 4.0 is just around the corner.  But if you haven't had the chance to use C# 3.5 extensively, this session will start from the ground up with the new features of 3.5.  We'll assume everyone is coming from C# 2.0.  This session will show you the details of extension methods, partial methods and more.  We'll also show you how LINQ -- Language Integrated Query -- can help decrease your development time and increase your code's readability.  If time permits, we'll look at some .NET 4.0 features, but the goal is to get you up to speed on .NET 3.5.   Go Ahead and Mock Me! When testing specific parts of your application, there can be a lot of external dependencies required to make your tests work.  Writing fake or mock objects that act as stand-ins for the real dependencies can waste a lot of time.  This is where mocking frameworks come in.  In this session, Patrick Steele will introduce you to Rhino Mocks, a popular mocking framework for .NET.  You'll see how a mocking framework can make writing unit tests easier and leads to less brittle unit tests.   Inversion of Control: Who's got control and why is it being inverted? No doubt you've heard of "Inversion of Control".  If not, maybe you've heard the term "Dependency Injection"?  The two usually go hand-in-hand.  Inversion of Control (IoC) along with Dependency Injection (DI) helps simplify the connections and lifetime of all of the dependent objects in the software you write.  In this session, Patrick Steele will introduce you to the concepts of IoC and DI and will show you how to use a popular IoC container (Castle Windsor) to help simplify the way you build software and how your objects interact with each other. If you're interested in speaking, hurry up and get your submissions in!  The deadline is Monday, April 5th! Technorati Tags: .NET,Ann Arbor,Day of .NET

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• How To Personalize the Windows Command Prompt

  - by Matthew Guay

  Command line interfaces can be downright boring, and always seem to miss out on the fresh coats of paint liberally applied to the rest of Windows.  Here’s how to add a splash of color to Command Prompt and make it unique. By default, Windows Command Prompt is white text on a black background. It get’s the job done, but maybe you want to add some color to it.   To get an overview of what we can do with the color command, let’s enter: color /? So, to get the color you want, enter color then the option for the background color followed by the font color.  For example, let’s make an old-fashioned green on black look by entering: color 02   There are a bunch of different combinations you can do, like this black background with red text. color 04 You can’t mess it up too much.  The color command won’t let you set both the font and the background to the same color, which would make it unreadable.  Also, if you want to get back to the default settings, just enter: color Now we’re back to plain-old black and white. Personalize Command Prompt Without Commands If you’d prefer to change the color without entering commands, just click on the Command Prompt icon in the top left corner of the window and select Properties. Select the Colors tab, and then choose the color you want for the screen text and background.  You can also enter your own RGB color combination if you want.   Here we entered the RGB values to get a purple background color like Ubuntu 10.04. Back in the Properties dialog, you can also change your Command Prompt font from the font tab.  Choose any font you want, as long as the one you want is one of the three listed here. Customizations you make via the Properties dialog are saved and will be used any time you open Command Prompt, but any customizations you make with the Color command are only for that session. Conclusion Whether you want to make your command prompt bright enough to cause a sunburn or old-style enough to scare a mainframe operator, with these settings, you can make Command Prompt a bit more unique.   Similar Articles Productive Geek Tips Use "Command Prompt Here" in Windows VistaVerify the Integrity of Windows Vista System FilesKeyboard Ninja: Scrolling the Windows Command Prompt With Only the KeyboardRun a Command as Administrator from the Windows 7 / Vista Run boxStart an Application Assigned to a Specific CPU in Windows Vista TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 How to Add Exceptions to the Windows Firewall Office 2010 reviewed in depth by Ed Bott FoxClocks adds World Times in your Statusbar (Firefox) Have Fun Editing Photo Editing with Citrify Outlook Connector Upgrade Error Gadfly is a cool Twitter/Silverlight app

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• How to Assign a Static IP to an Ubuntu 10.04 Desktop Computer

  - by Mysticgeek

  If you have a home network with several computers, assigning them static IP addresses can make troubleshooting easier. Today we take a look at switching from DHCP to a static IP in Ubuntu. Assign a Static IP Using Static IPs prevents address conflicts between machines and can allow easier access to them. If you have a small home network and are satisfied with the machines getting their IP address automatically via DHCP, there won’t be anything gained by using static addresses. Using Static IPs isn’t necessarily for the average user, but if you’re a geek who wants to know the address assigned to each machine, it can allow for faster troubleshooting.  To change your Ubuntu machine to a Static IP go to System \ Preferences \ Network Connections. In our example, we’re on a wired system so click on the Wired tab, then select Auto eth0 and click on Edit. Select the IPv4 settings tab, change Method to Manual, click the Add button. Then type in the Static IP Address, Subnet Mask, DNS Servers, and Default Gateway. Then click Apply when you’re finished. Make sure to hit Enter after typing in the Default Gateway otherwise it will revert back to 0.0.0.0 You’ll need to enter in your admin password before the changes go into affect. To verify the changes have been made successfully launch a Terminal session and type in ifconfig at the command prompt, or follow these directions. You also might want to ping the address from another machine to make sure everything is communicating. If you want to assign a Static IP to your Windows machines, check out our article on how to assign a Static IP on Windows systems (make sure to browse the comments as our readers have some good suggestions).  Whether you have a small office or home network set up with a server and several machines, using a Static IP on each device can help you manage them easily. Again, it isn’t for everyone as it really depends on how your network is setup and the way you use it. Similar Articles Productive Geek Tips Change Ubuntu Desktop from DHCP to a Static IP AddressAllow Remote Control To Your Desktop On UbuntuAssign Custom Shortcut Keys on Ubuntu LinuxKeyboard Ninja: 21 Keyboard Shortcut ArticlesChange Ubuntu Server from DHCP to a Static IP Address TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server TubeSort: YouTube Playlist Organizer XPS file format & XPS Viewer Explained Microsoft Office Web Apps Guide Know if Someone Accessed Your Facebook Account Shop for Music with Windows Media Player 12 Access Free Documentaries at BBC Documentaries

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