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• email-spec destroys my rake cucumber:all

  - by Leonardo Dario Perna

  This works fine: $ rake cucumber:all Then $ script/plugin install git://github.com/bmabey/email-spec.git remote: Counting objects: 162, done. remote: Compressing objects: 100% (130/130), done. remote: Total 162 (delta 18), reused 79 (delta 13) Receiving objects: 100% (162/162), 127.65 KiB | 15 KiB/s, done. Resolving deltas: 100% (18/18), done. From git://github.com/bmabey/email-spec * branch HEAD - FETCH_HEAD And $ script/generate email_spec exists features/step_definitions create features/step_definitions/email_steps.rb And I add 'require 'email_spec/cucumber' in /feature/support/env.rb so it looks somethinng like: require File.expand_path(File.dirname(__FILE__) + '/../../config/environment') require 'cucumber/rails/world' require 'cucumber/formatter/unicode' # Comment out this line if you don't want Cucumber Unicode support require 'email_spec/cucumber' and now: rake cucumber:all gives me this error: $ rake cucumber:all --trace (in /Users/leonardodarioperna/Projects/frestyl/frestyl) ** Invoke cucumber:all (first_time) ** Invoke cucumber:ok (first_time) ** Invoke db:test:prepare (first_time) ** Invoke db:abort_if_pending_migrations (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:abort_if_pending_migrations ** Execute db:test:prepare ** Invoke db:test:load (first_time) ** Invoke db:test:purge (first_time) ** Invoke environment ** Execute db:test:purge ** Execute db:test:load ** Invoke db:schema:load (first_time) ** Invoke environment ** Execute db:schema:load ** Execute cucumber:ok /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -I "/Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/lib:lib" "/Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/cucumber" --profile default cucumber.yml was not found. Please refer to cucumber's documentation on defining profiles in cucumber.yml. You must define a 'default' profile to use the cucumber command without any arguments. Type 'cucumber --help' for usage. rake aborted! Command failed with status (1): [/System/Library/Frameworks/Ruby.framework/...] /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:995:in `sh' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1010:in `call' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1010:in `sh' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1094:in `sh' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1029:in `ruby' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1094:in `ruby' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/lib/cucumber/rake/task.rb:68:in `run' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/lib/cucumber/rake/task.rb:138:in `define_task' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:in `load' /usr/bin/rake:19 WHY? but the command: $ cucumber still works Any idea?

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• Are there any tools for performing static analysis of Scala code?

  - by Roman Kagan

  Are there any tools for performing static analysis of Scala code, similar to FindBugs and PMD for Java or Splint for C/C++? I know that FindBugs works on the bytecode produced by compiling Java, so I'm curious as to how it would work on Scala. Google searches (as of 27 October 2009) reveal very little. Google searches (as of 01 February 2010) reveal this question.

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• why can't a static member be reached through an instance name?

  - by reinier

  say I have: class Test { public static int Hello = 5; } This obviously works: int j = Test.Hello; But why should this not work? Test test = new Test(); int j = test.Hello; The instance could not have a member equally named, so I don't see how this could be ambiguous or unresolvable for a compiler. Anyone any idea why this is?

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• Is there a static analysis tool for Python, Ruby, Sql, Cobol, Perl, and PL/SQL?

  - by Raj

  I am looking for a static analysis tool for Python, Ruby, Sql, Cobol, Perl, PL/SQL, SQL similar to find bugs and check style. I am looking for calculating the line count, identify bugs during the development, and enforcing coding standard.

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• How do you create a static class in C++?

  - by superjoe30

  How do you create a static class in C++? I should be able to do something like: cout << "bit 5 is " << BitParser::getBitAt(buffer, 5) << endl; Assuming I created the BitParser class. What would the BitParser class definition look like?

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• in ASP.Net, are long running static operations a bottleneck?

  - by Laramie

  If a long running operation is defined in a frequently called static method, is it a bottleneck for other threads in an ASP.Net application trying to call the same method? Does that only apply to methods with the "Synchronized" attribute? I've searched and can't seem to find a definitive answer.

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• Can a Static Nested Class be Instantiated Multiple Times?

  - by stormin986

  Given what I know of every other type of static feature of programming––I would think the answer is 'no'. However, seeing statements like OuterClass.StaticNestedClass nestedObject = new OuterClass.StaticNestedClass(); makes me wonder.

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• Can you attach a CMS to an existing static web site created in Dreamweaver?

  - by Daniel Olds

  I am not a programmer, but a designer. I created a static web site in Dreamweaver (CS4) and my client would like to be able to update a news page on his own. I have looked in to several CMS options and haven't found one that seems to fit my needs. Mainly, simple to set up, possible to set up and, preferrably, free to set up. Any suggestions? I'm all ears. Thanks

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• Do you ever miss the static type system in Clojure?

  - by Michiel Borkent

  Are there ever situations while developing in Clojure when you miss the static type system you have available in languages like Haskell and F#? Can you give an example of a piece of code when the type system would come in very handy?

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• How are static variables with the same name in different functions identified by the System?

  - by Jay

  AFAIK, we can have two static variables with the same name in different functions? How are these managed by the compiler and symbol table? How are their identities managed seperately?

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• Do you know of a language with Static Type checking where Code is Data?

  - by asd.and.Rizzo

  Can you name language with Static Type checking(like Java) and where Code is Data(like in LISP)? I mean both things in one language.

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• Is RunClassConstructor guaranteed to run a type's static constructor only once?

  - by mafutrct

  I'm calling the static ctor of a class using this code: Type type; System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor(type.TypeHandle); Can this cause the cctor to be run twice?

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• How does the compiler know not to call function once per static variable?

  - by mkal

  E.g foo1() { static const char* str = foo2(); } const char * foo2 () { ... } How does the compiler makes sure it calls foo2 just once.

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• C#: Do I need to lock a static class when accessing from separate threads?

  - by JimDaniel

  I have a static class with a few methods that just take in a byte array, parses it, and returns a structure. I need to call these methods from many separate threads. Do I need a lock() or some kind of thread-safety within the methods? I can't get my head around it.

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• In java, is there any disadvantage to static methods on a class?

  - by Michael Campbell

  Lets assume that a rule (or rule of thumb, anyway), has been imposed in my coding environment that any method on a class that doesn't use, modify, or otherwise need any instance variables to do its work, be made static. Is there any inherent compile time, runtime, or any other disadvantage to doing this?

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• if i want to build logger class in c++ or java what should it be singletone or static

  - by user63898

  Hello all general question is i like to build logger class that writes to single log file from different classes in my application what should the logger class be singletone or static class

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• How do I determine the target architecture of static library (.a) on Mac OS X?

  - by Justicle

  I'm interested in verifying if a given iPhone static library has been built for ARM or Intel. Its more curiosity than anything. Is there some kind of Mac OS X or BSD specific tool to do this? This post gives an example in Linux.

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• iPhone: Using static library in an application crashes the device but not the iphone simulator

  - by spin-docta

  I have a library I made, and now I want to utilize it in an application. I've believe I've properly linked to the library. Here are all the things I've done: Set the header search path Set other linker flags to "-ObjC" Added the static library xcode project Made sure the lib.a was listed as a framework target Added the library as a direct dependency Like I said in the title, I've successfully run the app with the static library in the simulator. Once I try testing the app using the device, it crashes the second it has to use a function from the library: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** +[NSDate firstOfCurrentMonth]: unrecognized selector sent to class 0x3841bb44' 2009-10-10 12:45:31.159 Basement[2372:207] Stack:

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• Is there any JavaScript Library to intelligently truncate strings?

  - by j0ker

  I need to truncate strings in a side menu to make the fit into a div without a linebreak. The divs have a fixed width. I'm looking for a library to do that for me. If a string is too long to fit into the div, it should be truncated like: <div>This string is too long</div> == <div>This string is...ong</div> As you can see, the string is not only truncated by an ellipsis but the last three letters are also visible. This is meant to increase readability. The truncation should not care about spaces. Does anyone know of a library that includes such functionality? We're mainly using jQuery throughout the project. Thanks in advance!

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• c# library that extracts gmail,yahoomail and AOL contacts..

  - by Pandiya Chendur

  Is there any good c# library that extracts gmail,yahoomail and AOL contacts? Any suggestion... I looked at Opencontacts.net and i used opencontacts.dll in my asp.net web application but i can't able to make it work... It shows an error Could not load file or assembly 'Utilities, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified..... I did this, OpenContactsNet.GmailExtract gm = new OpenContactsNet.GmailExtract(); NetworkCredential nw =new NetworkCredential("[email protected]","***"); OpenContactsNet.MailContactList ml = new OpenContactsNet.MailContactList(); gm.Extract(nw, out ml); I am in search of any other c# library which would do my needs....

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• Is it too early to start designing for Task Parallel Library?

  - by Joe Erickson

  I have been following the development of the .NET Task Parallel Library (TPL) with great interest since Microsoft first announced it. There is no doubt in my mind that we will eventually take advantage of TPL. What I am questioning is whether it makes sense to start taking advantage of TPL when Visual Studio 2010 and .NET 4.0 are released, or whether it makes sense to wait a while longer. Why Start Now? The .NET 4.0 Task Parallel Library appears to be well designed and some relatively simple tests demonstrate that it works well on today's multi-core CPUs. I have been very interested in the potential advantages of using multiple lightweight threads to speed up our software since buying my first quad processor Dell Poweredge 6400 about seven years ago. Experiments at that time indicated that it was not worth the effort, which I attributed largely to the overhead of moving data between each CPU's cache (there was no shared cache back then) and RAM. Competitive advantage - some of our customers can never get enough performance and there is no doubt that we can build a faster product using TPL today. It sounds fun. Yes, I realize that some developers would rather poke themselves in the eye with a sharp stick, but we really enjoy maximizing performance. Why Wait? Are today's Intel Nehalem CPUs representative of where we are going as multi-core support matures? You can purchase a Nehalem CPU with 4 cores which share a single level 3 cache today, and most likely a 6 core CPU sharing a single level 3 cache by the time Visual Studio 2010 / .NET 4.0 are released. Obviously, the number of cores will go up over time, but what about the architecture? As the number of cores goes up, will they still share a cache? One issue with Nehalem is the fact that, even though there is a very fast interconnect between the cores, they have non-uniform memory access (NUMA) which can lead to lower performance and less predictable results. Will future multi-core architectures be able to do away with NUMA? Similarly, will the .NET Task Parallel Library change as it matures, requiring modifications to code to fully take advantage of it? Limitations Our core engine is 100% C# and has to run without full trust, so we are limited to using .NET APIs.

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• How can I make an "abstract" enum in a .NET class library?

  - by Lazlo

  I'm making a server library in which the packet association is done by enum. public enum ServerOperationCode : byte { LoginResponse = 0x00, SelectionResponse = 0x01, BlahBlahResponse = 0x02 } public enum ClientOperationCode : byte { LoginRequest = 0x00, SelectionRequest = 0x01, BlahBlahRequest = 0x02 } That works fine when you're working in your own project - you can compare which enum member is returned (i.e. if (packet.OperationCode == ClientOperationCode.LoginRequest)). However, since this is a class library, the user will have to define its own enum. Therefore, I have two enums to add as "abstract" - ServerOperationCode and ClientOperationCode. I know it's not possible to implement abstract enums in C#. How would I go doing this?

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• Can I use Visual Studio 2010's compiler with Visual Studio 2008's Runtime Library?

  - by BillyONeal

  Hello everyone :) I have an application that needs to operate on Windows 2000. I'd also like to use Visual Studio 2010 (mainly because of the change in the definition of the auto keyword). However, I'm in a bit of a bind because I need the app to be able to operate on older OS's, namely: Windows 2000 Windows XP RTM Windows XP SP1 Visual Studio 2010's runtime library depends on the EncodePointer / DecodePointer API which was introduced in Windows XP SP2. If using the alternate runtime library is possible, will this break code that relies on C++0x features added in VS2010, like std::regex?

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• Looking for a Open Source Library Management software on LAMP preferably Java based.

  - by Sathya

  I am planning to set up a library in my organization. I am looking for a OpenSource solution. While I am continuing my googling on the same, Pls share your experience with any software that you might have come across. The features that I look for is 1. ISBN based. 2. Interfaces for barcode scanning (of ISBN code) 3. Integration with Amazon ( for reviews and ratings) 4. All the usual library facilities (Search, Checkin, checkout, checkout history, user reviews, user ratings etc). 5. Nice to have features - More personalization, booking of titles in advance, recommending books to select users etc.

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• Equivalent of public static final fields in Scala

  - by JT

  I'm learning Scala, and I can't figure out how to best express this simple Java class in Scala: public class Color { public static final Color BLACK = new Color(0, 0, 0); public static final Color WHITE = new Color(255, 255, 255); public static final Color GREEN = new Color(0, 0, 255); private static final int red; private static final int blue; private static final int green; public Color(int red, int blue, int green) { this.red = red; this.blue = blue; this.green = green; } // getters, et cetera } The best I have is the following: class Color(val red: Int, val blue: Int, val green: Int) object BLACK extends Color(0, 0, 0) object WHITE extends Color(255, 255, 255) object GREEN extends Color(0, 0, 255) But I lose the advantages of having BLACK, WHITE, and GREEN being tied to the Color namespace.

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