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• hook to save action in eclipse plugin

  - by 4485670

  I want to create a Google Closure Compiler plugin for eclipse. I already have a popup menu entry to compile a Javascript file to its minified version. But it would be more than helpful if every time you save a *.js that minified version would be generated automatically. I read/heard about natures and builders, extension points and IResourceChangeListener. But I did not manage to figure out what I should use and especially how to get it to work. Is there a working example of a plugin that does "the same kind of thing" so I can work from that or a tutorial to write such? With the answer below I searched for projects that use the IResourceChangeListener and came up with this code: manifest: http://codepaste.net/3yahwe plugin.xml: http://codepaste.net/qek3rw activator: http://codepaste.net/s7xowm DummyStartup: http://codepaste.net/rkub82 MinifiedJavascriptUpdater: http://codepaste.net/koweuh There in the MinifiedJavascriptUpdater.java which holds the code for the IResourceChangeListener the "resourceChanged" function is never reached.

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• Intellitrace bug causes &ldquo;Operation could destabilize the runtime&rdquo; exception

  - by Magnus Karlsson

  We cant use it when we use simplemembership to handle external authorizations.   Server Error in '/' Application. Operation could destabilize the runtime. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Security.VerificationException: Operation could destabilize the runtime. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [VerificationException: Operation could destabilize the runtime.] DotNetOpenAuth.OpenId.Messages.IndirectSignedResponse.GetSignedMessageParts(Channel channel) +943 DotNetOpenAuth.OpenId.ChannelElements.ExtensionsBindingElement.GetExtensionsDictionary(IProtocolMessage message, Boolean ignoreUnsigned) +282 DotNetOpenAuth.OpenId.ChannelElements.<GetExtensions>d__a.MoveNext() +279 DotNetOpenAuth.OpenId.ChannelElements.ExtensionsBindingElement.ProcessIncomingMessage(IProtocolMessage message) +594 DotNetOpenAuth.Messaging.Channel.ProcessIncomingMessage(IProtocolMessage message) +933 DotNetOpenAuth.OpenId.ChannelElements.OpenIdChannel.ProcessIncomingMessage(IProtocolMessage message) +326 DotNetOpenAuth.Messaging.Channel.ReadFromRequest(HttpRequestBase httpRequest) +1343 DotNetOpenAuth.OpenId.RelyingParty.OpenIdRelyingParty.GetResponse(HttpRequestBase httpRequestInfo) +241 DotNetOpenAuth.OpenId.RelyingParty.OpenIdRelyingParty.GetResponse() +361 DotNetOpenAuth.AspNet.Clients.OpenIdClient.VerifyAuthentication(HttpContextBase context) +136 DotNetOpenAuth.AspNet.OpenAuthSecurityManager.VerifyAuthentication(String returnUrl) +984 Microsoft.Web.WebPages.OAuth.OAuthWebSecurity.VerifyAuthenticationCore(HttpContextBase context, String returnUrl) +333 Microsoft.Web.WebPages.OAuth.OAuthWebSecurity.VerifyAuthentication(String returnUrl) +192 PrioMvcWebRole.Controllers.AccountController.ExternalLoginCallback(String returnUrl) in c:hiddenforyou lambda_method(Closure , ControllerBase , Object[] ) +127 System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +250 System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +39 System.Web.Mvc.Async.<>c__DisplayClass39.<BeginInvokeActionMethodWithFilters>b__33() +87 System.Web.Mvc.Async.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49() +439 System.Web.Mvc.Async.<>c__DisplayClass4f.<InvokeActionMethodFilterAsynchronously>b__49() +439 System.Web.Mvc.Async.<>c__DisplayClass37.<BeginInvokeActionMethodWithFilters>b__36(IAsyncResult asyncResult) +15 System.Web.Mvc.Async.<>c__DisplayClass2a.<BeginInvokeAction>b__20() +34 System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +221 System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +28 System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15 System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +42 System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15 System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +42 System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +523 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +176 Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.17929

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• JavaScript Sucks.

  - by Matt Watson

  JavaScript Sucks. Yes, I said it. Microsoft's announcement of TypeScript got me thinking today. Is this a step in the right direction? It sounds like it fixes a lot of problems with JavaScript development. But is it really just duct tape and super glue for a programming model that needs to be replaced?I have had a love hate relationship with JavaScript, like most developers who would prefer avoiding client side code. I started doing web development over 10 years ago and I have done some pretty cool stuff with JavaScript. It has came a long ways and is the universal standard these days for client side scripting in the web browser. Over the years the browsers have become much faster at processing JavaScript. Now people are even trying to use it on the server side via node.js. OK, so why do I think JavaScript sucks?Well first off, as an enterprise web application developer, I don't like any scripting or dynamic languages. I like code that compiles for lots of obvious reasons. It is messy to code with and lacks all kinds of modern programming features. We spend a lot of time trying to hack it to do things it was never really designed for.Ever try to use different jQuery based plugins that require conflicting jQuery versions? Yeah, that sucks.How about trying to figure out how to make 20 javascript include files load quicker as one request? Yeah that sucks too.Performance? Let me just point to the old Facebook mobile app made with JS & HTML5. It sucked. Enough said.How about unit testing JavaScript? I've never tried it, but it sure sounds like fun.My biggest problem with JavaScript is code security. If I make some awesome product, there is no way to protect my code. How can we expect game makers to write apps in 100% JavaScript and HTML5 if they can't protect their intellectual property?There are compiling tools like Closure, unit test frameworks, minify, coffee script, TypeScript and a bunch of other tools. But to me, they all try to make up for the weaknesses and problems with JavaScript. JavaScript is a mess and we spend a lot of time trying to work around all of it's problems. It is possible to program in Silverlight, Java or Flash and run that in the browser instead of JavaScript, but they all have their own problems and lack universal mobile support. I believe Microsoft's new TypeScript is a step forward for JavaScript, but I think we need to start planning to go a whole different direction. We need a new universal client side programming model, because JavaScript sucks.

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• Amazon.com Cutting Off Colorado Affiliates

  - by Joe Mayo

  I received an email from Amazon.com today, essentially cutting off my affiliate status because I'm in Colorado. Colorado recently passed legislation that requires retailers to either collect sales tax for on-line transactions or engage in an onerous process that makes you wish you had collected sales tax.  After I Tweeted this, Mike Jones tweeted a link to the legislation.  Here's an excerpt from Amazon.com's email: "Dear Colorado-based Amazon Associate: We are writing from the Amazon Associates Program to inform you that the Colorado government recently enacted a law to impose sales tax regulations on online retailers. The regulations are burdensome and no other state has similar rules. The new regulations do not require online retailers to collect sales tax. Instead, they are clearly intended to increase the compliance burden to a point where online retailers will be induced to "voluntarily" collect Colorado sales tax -- a course we won't take. We and many others strongly opposed this legislation, known as HB 10-1193, but it was enacted anyway. Regrettably, as a result of the new law, we have decided to stop advertising through Associates based in Colorado. We plan to continue to sell to Colorado residents, however, and will advertise through other channels, including through Associates based in other states. There is a right way for Colorado to pursue its revenue goals, but this new law is a wrong way. As we repeatedly communicated to Colorado legislators, including those who sponsored and supported the new law, we are not opposed to collecting sales tax within a constitutionally-permissible system applied even-handedly. The US Supreme Court has defined what would be constitutional, and if Colorado would repeal the current law or follow the constitutional approach to collection, we would welcome the opportunity to reinstate Colorado-based Associates. You may express your views of Colorado's new law to members of the General Assembly and to Governor Ritter, who signed the bill. Your Associates account has been closed as of March 8, 2010, and we will no longer pay advertising fees for customers you refer to Amazon.com after that date. Please be assured that all qualifying advertising fees earned prior to March 8, 2010, will be processed and paid in accordance with our regular payment schedule. Based on your account closure date of March 8, any final payments will be paid by May 31, 2010. We have enjoyed working with you and other Colorado-based participants in the Amazon Associates Program, and wish you all the best in your future.   Best Regards,   The Amazon Associates Team"

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• JS closures - Passing a function to a child, how should the shared object be accessed

  - by slicedtoad

  I have a design and am wondering what the appropriate way to access variables is. I'll demonstrate with this example since I can't seem to describe it better than the title. Term is an object representing a bunch of time data (a repeating duration of time defined by a bunch of attributes) Term has some print functionality but does not implement the print functions itself, rather they are passed in as anonymous functions by the parent. This would be similar to how shaders can be passed to a renderer rather than defined by the renderer. A container (let's call it Box) has a Schedule object that can understand and use Term objects. Box creates Term objects and passes them to Schedule as required. Box also defines the print functions stored in Term. A print function usually takes an argument and uses it to return a string based on that argument and Term's internal data. Sometime the print function could also use data stored in Schedule, though. I'm calling this data shared. So, the question is, what is the best way to access this shared data. I have a lot of options since JS has closures and I'm not familiar enough to know if I should be using them or avoiding them in this case. Options: Create a local "reference" (term used lightly) to the shared data (data is not a primitive) when defining the print function by accessing the shared data through Schedule from Box. Example: var schedule = function(){ var sched = Schedule(); var t1 = Term( function(x){ // Term.print() return (x + sched.data).format(); }); }; Bind it to Term explicitly. (Pass it in Term's constructor or something). Or bind it in Sched after Box passes it. And then access it as an attribute of Term. Pass it in at the same time x is passed to the print function, (from sched). This is the most familiar way for my but it doesn't feel right given JS's closure ability. Do something weird like bind some context and arguments to print. I'm hoping the correct answer isn't purely subjective. If it is, then I guess the answer is just "do whatever works". But I feel like there are some significant differences between the approaches that could have a large impact when stretched beyond my small example.

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• Avoiding the Black Hole of Leads

  - by Charles Knapp

  Sales says, "Marketing doesn’t deliver enough qualified leads. So, we generate 90% of our own leads." Meanwhile, Marketing says, "We generate most of the leads. But, Sales doesn’t contact them quickly enough, while the lead is still interested." According to Sirius Decisions: Up to 90% of leads never make it to closure Sales works on only 11% of the leads supplied by Marketing Only 18% of the leads Sales accepts convert to opportunities Yet, 45% of prospects typically buy a product from someone within 12 months The root cause of these commonplace complaints is a disconnect between the funnels of marketing and sales. Unfortunately, we often see companies with an assortment of poorly integrated marketing tools. It takes too long and too many people to move the data around, scrub it, upload it from one system to another, and get it routed to the right sales teams. As a result, leads fall through the cracks, contextual information is lost, and by the time sales actually contacts a customer it may be too late. Sales automation alone is not enough. Marketing automation (including social) is not enough. Sales and Marketing must work together. It’s time to connect the silos of marketing and sales pipelines and analytics. It’s time for integrated Sales and Marketing automation. Integrated pipelines improve lead quality and timeliness. Marketing systems can track a rich set of contextual information about a prospect–self-disclosed information about interests, content viewed, and so on. This insight can equip the sales rep with rich information to make a face-to-face conversation more relevant and more likely to convert to the next stage in the sales process. Integrated lead to revenue (LTR) management provides end-to-end visibility, enabling the company to measure what is working. Marketing can measure its impact on revenue and other business outcomes, and sales can harness and redirect marketing investments to areas where they most help achieve sales objectives. It’s a win-win play. Marketing delivers more leads that are qualified, cuts cost per lead, and demonstrates a strong Return on Marketing Investment (ROMI). Sales spends more time with warm leads and less time on cold calls, achieves higher close rates, and delivers more revenue. Learn more by attending our Integrated Sales and Marketing session at the upcoming CloudWorld conferences. Or, visit our Sales and Marketing Cloud Service site for videos and other learning resources.

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• Starting programs from terminal then exiting terminal exits started programs?

  - by sherrellbc

  I really was unsure how to phrase the question title. What I mean is that when I use the terminal to start a program, most of the time when the terminal is closed it also exits the programs started from it. Now this makes sense if we look at it from a hierarchical standpoint of the terminal being the parent process which spawns child processes, and any halt of the parent causes subsequent halting of the children as well. However, I've noticed this to not always be the case. For example, I downloaded Sublime Text Editor and created a symlink in PATH. I can start this program by issuing a sublime command from the terminal, but subsequent closure of the terminal program does nothing to sublime. However, other times either the child process that was started it also closed or it hangs up and causes problems. tl;dr: Is it always the case that programs started from a closed parent process will be closed when the parent is exited? And if so, is there way to start a program from the terminal and then close the terminal without exiting the started process? The whole point here is to start programs from the terminal so I do not overly-populate my desktop with symlinks.

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• Romanian parter Omnilogic Delivers “No Limits” Scalability, Performance, Security, and Affordability through Next-Generation, Enterprise-Grade Engineered Systems

  - by swalker

  Omnilogic SRL is a leading technology and information systems provider in Romania and central and Eastern Europe. An Oracle Value-Added Distributor Partner, Omnilogic resells Oracle software, hardware, and engineered systems to Oracle Partner Network members and provides specialized training, support, and testing facilities. Independent software vendors (ISVs) also use Omnilogic’s demonstration and testing facilities to upgrade the performance and efficiency of their solutions and those of their customers by migrating them from competitor technologies to Oracle platforms. Omnilogic also has a dedicated offering for ISV solutions, based on Oracle technology in a hosting service provider model. Omnilogic wanted to help Oracle Partners and ISVs migrate solutions to Oracle Exadata and sell Oracle Exadata to end-customers. It installed Oracle Exadata Database Machine X2-2 Quarter Rack at its data center to create a demonstration and testing environment. Demonstrations proved that Oracle Exadata achieved processing speeds up to 100 times faster than competitor systems, cut typical back-up times from 6 hours to 20 minutes, and stored 10 times more data. Oracle Partners and ISVs learned that migrating solutions to Oracle Exadata’s preconfigured, pre-integrated hardware and software can be completed rapidly, at low cost, without business disruption, and with reduced ongoing operating costs. Challenges A word from Omnilogic “Oracle Exadata is the new killer application—the smartest solution on the market. There is no competition.” – Sorin Dragomir, Chief Operating Officer, Omnilogic SRL Enable Oracle Partners in Romania and central and eastern Europe to achieve Oracle Exadata Ready status by providing facilities to test and optimize existing applications and build real-life proofs of concept (POCs) for new solutions on Oracle Exadata Database Machine Provide technical support and demonstration facilities for ISVs migrating their customers’ solutions from competitor technologies to Oracle Exadata to maximize performance, scalability, and security; optimize hardware and datacenter space; cut maintenance costs; and improve return on investment Demonstrate power of Oracle Exadata’s high-performance, high-capacity engineered systems for customer-facing businesses, such as government organizations, telecommunications, banking and insurance, and utility companies, which typically require continuous availability to support very large data volumes Showcase Oracle Exadata’s unchallenged online transaction processing (OLTP) capabilities that cut application run times to provide unrivalled query turnaround and user response speeds while significantly reducing back-up times and eliminating risk of unplanned outages Capitalize on providing a world-class training and demonstration environment for Oracle Exadata to accelerate sales with Oracle Partners Solutions Created a testing environment to enable Oracle Partners and ISVs to test their own solutions and those of their customers on Oracle Exadata running on Oracle Enterprise Linux or Oracle Solaris Express to benchmark performance prior to migration Leveraged expertise on Oracle Exadata to offer Oracle Exadata training, migration, support seminars and to showcase live demonstrations for Oracle Partners Proved how Oracle Exadata’s pre-engineered systems, that come assembled, configured, and ready to run, reduce deployment time and cost, minimize risk, and help customers achieve the full performance potential immediately after go live Increased processing speeds 10-fold and with zero data loss for a telecommunications provider’s client-facing customer relationship management solution Achieved performance improvements of between 6 and 100 times faster for financial and utility company applications currently running on IBM, Microsoft, or SAP HANA platforms Showed how daily closure procedures carried out overnight by banks, insurance companies, and other financial institutions to analyze each day’s business, can typically be cut from around six hours to 20 minutes, some 18 times faster, when running on Oracle Exadata Simulated concurrent back-ups while running applications under normal working conditions to prove that Oracle Exadata-based solutions can be backed up during business hours without causing bottlenecks or impacting the end-user experience Demonstrated that Oracle Exadata’s built-in analytics, data mining and OLTP capabilities make it the highest-performance, lowest-cost choice for large data warehousing operations Showed how Oracle Exadata’s columnar compression and intelligent storage architecture allows 10 times more data to be stored than on competitor platforms Demonstrated how Oracle Exadata cuts hardware requirements significantly by consolidating workloads on to fewer servers which delivers greater power efficiency and lower operating costs that competing systems from IBM and other manufacturers Proved to ISVs that migrating solutions to Oracle Exadata’s preconfigured, pre-integrated hardware and software can be completed rapidly, at low cost, and with minimal business disruption Demonstrated how storage servers, database servers, and network switches can be added incrementally and inexpensively to the Oracle Exadata platform to support business expansion On track to grow revenues by 10% in year one and by 15% annually thereafter through increased business generated from Oracle Partners and ISVs

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• They may block off Howard Street—but Oracle OpenWorld is a two-way street.

  - by Oracle Accelerate for Midsize Companies

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 by Jim Lein, Sr. Director, Oracle Accelerate for Midsize Companies “Engineered to Inform and Inspire”—that’s the theme of Oracle OpenWorld 2012. In early October, tens of thousands of attendees will descend on the streets of San Francisco because they share one thing in common: the desire to learn more about Oracle. You might think that’s the way we, Oracle employees, look at this event—as just another opportunity for attendees to learn about what we do. But it’s really a two way street. Every year I’m amazed by how informed and inspired I am by our customers and their companies. Midsize companies buy Oracle to grow. As part of the Oracle Accelerate for Midsize Companies team I get to talk with our partners and business leaders at growing companies almost every day, usually via phone. Oracle OpenWorld presents the perfect opportunity to meet some of them in person, in an informal setting, and in one of the most beautiful cities in the world. The stories our customers tell me about their businesses provide vivid examples of how they have overcome the challenges of managing increasingly complex global operations and growing during uncertain economic conditions. It’s no secret that my favorite session at Oracle OpenWorld (besides Larry Ellison’s keynotes and the Customer Appreciation Event, of course) is the Oracle Accelerate Customer Panel. This year we’re featuring executives from three companies who deployed Oracle ERP rapidly to support their company’s growth: Chris Powell, VP and Corporate Controller of Beats by Dr. Dre, a California based designer and manufacturer of premium headphones (sorry, no free samples), Iñaki Zuazo, CIO of Industrias Juno, a building materials provider based in Spain, Kamran Moosa, Project Coordinator for Spartan Engineering, a provider of engineering and construction support services for an LPG storage project in Texas, and That’s a pretty diverse lineup and it will be interesting to hear the perspectives of both IT and financial project stakeholders. The session, “Oracle Accelerate Customer Case Studies: Rapid Deployment of Oracle Applications”, is at 3:30 pm on Wednesday, October 3, in the Concert room at the Palace Hotel. Oracle loves our hometown of San Francisco and it’s a great place to host Oracle OpenWorld. It’s now San Francisco’s largest conference and the city closes off Howard Street to better accommodate the attendees. Some Bay Area commuters may be inconvenienced for a few days by this closure but the conference brings about $100 million into the local economy. Now that’s a two-way street. More Oracle Accelerate at Oracle OpenWorld “Faster, Better, Cheaper Application Deployment with Oracle Business Accelerators”, Monday, October 1st, 10:45 a.m., Moscone West Room 3016 “Oracle Accelerate and Oracle Business Accelerators for Midsize Companies”, (partners only), Wednesday, October 3, 10:15 a.m., Marriott – Golden Gate B Visit the Oracle Accelerate and Oracle Business Accelerator Kiosk in the Moscone West Exhibit Grounds Download the Focus On Oracle Accelerate for Midsize Companies Focus document /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";}

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• Adding custom interfaces to your mock instance.

  - by mehfuzh

  Previously, i made a post  showing how you can leverage the dependent interfaces that is implemented by JustMock during the creation of mock instance. It could be a informative post that let you understand how JustMock behaves internally for class or interfaces implement other interfaces into it. But the question remains, how you can add your own custom interface to your target mock. In this post, i am going to show you just that. Today, i will not start with a dummy class as usual rather i will use two most common interfaces in the .NET framework  and create a mock combining those. Before, i start i would like to point out that in the recent release of JustMock we have extended the Mock.Create<T>(..) with support for additional settings though closure. You can add your own custom interfaces , specify directly the real constructor that should be called or even set the behavior of your target. Doing a fast forward directly to the point,  here goes the test code for create a creating a mock that contains the mix for ICloneable and IDisposable using the above mentioned changeset. var myMock = Mock.Create<IDisposable>(x => x.Implements<ICloneable>()); var myMockAsClonable = myMock as ICloneable; bool isCloned = false;   Mock.Arrange(() => myMockAsClonable.Clone()).DoInstead(() => isCloned = true);   myMockAsClonable.Clone();   Assert.True(isCloned);   Here, we are creating the target mock for IDisposable and also implementing ICloneable. Finally, using the “as” for getting the ICloneable reference accordingly arranging it, acting on it and asserting if the expectation is met properly. This is a very rudimentary example, you can do the same for a given class: var realItem = Mock.Create<RealItem>(x => {     x.Implements<IDisposable>();     x.CallConstructor(() => new RealItem(0)); }); var iDispose = realItem as IDisposable;     iDispose.Dispose(); Here, i am also calling the real constructor for RealItem class.  This is to mention that you can implement custom interfaces only for non-sealed classes or less it will end up with a proper exception. Also, this feature don’t require any profiler, if you are agile or running it inside silverlight runtime feel free to try it turning off the JM add-in :-). TIP :  Ability to  specify real constructor could be a useful productivity boost in cases for code change and you can re-factor the usage just by one click with your favorite re-factor tool.   That’s it for now and hope that helps Enjoy!!

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• Rally Rest .NET API throws KeyNotFoundException when posting a new defect without required field value

  - by Triet Pham

  I've tried to post a new defect to Rally via Rest .net api by the following code: var api = new RallyRestApi("<myusername>", "<mypassword>", "https://community.rallydev.com"); var defect = new DynamicJsonObject(); defect["Name"] = "Sample Defect"; defect["Description"] = "Test posting defect without required field value"; defect["Project"] = "https://trial.rallydev.com/slm/webservice/1.29/project/5808130051.js"; defect["SubmittedBy"] = "https://trial.rallydev.com/slm/webservice/1.29/user/5797741589.js"; defect["ScheduleState"] = "In-Progress"; defect["State"] = "Open"; CreateResult creationResult = api.Create("defect", defect); But the api throws a weird exception: System.Collections.Generic.KeyNotFoundException was unhandled Message=The given key was not present in the dictionary. Source=mscorlib StackTrace: at System.Collections.Generic.Dictionary`2.get_Item(TKey key) at Rally.RestApi.DynamicJsonObject.GetMember(String name) at Rally.RestApi.DynamicJsonObject.TryGetMember(GetMemberBinder binder, Object& result) at CallSite.Target(Closure , CallSite , Object ) at System.Dynamic.UpdateDelegates.UpdateAndExecute1[T0,TRet](CallSite site, T0 arg0) at Rally.RestApi.RallyRestApi.Create(String type, DynamicJsonObject obj) at RallyIntegrationSample.Program.Main(String[] args) in D:\Projects\qTrace\References\Samples\RallyIntegrationSample\Program.cs:line 24 The problem is when i checked out the trace log file of Rally, it showed exactly what wrong in the posting request: Rally.RestApi Post Response: { "CreateResult": { "_rallyAPIMajor":"1", "_rallyAPIMinor":"29", "Errors":["Validation error: Defect.Severity should not be null"], "Warnings":[] } } Instead of given the proper CreateResult object with according errors information in its property, the Rally Rest .Net Api throws an unexpected exception. Is that a mistake in Rally rest .net api or should i do any extra steps to get the CreatResult seamlessly in case of any errors returned by Rally service? Many thanks for your helps.

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• Grails Mail port configuration

  - by bsreekanth

  Hello, I am trying to send mail through grails mail plugin. I configured according to the documentation, and also followed few blog posts (http://blog.lourish.com/2010/04/02/sending-asynchronous-html-email-in-grails-with-activemq-jms-and-gmail/). That post mention that the closure way of declaring the configuration overrides others, but not true. Anyway I tried both approach, but seems like the port is still use the smtp default one. I get the below exception. exception: org.springframework.mail.MailSendException: Mail server connection failed; nested exception is javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25; nested exception is: java.net.ConnectException: Connection refused: connect Now, I wrote a small program directly using the java mail library, and I could send the mail with that. The configuration is shown below. tried additional config "mail.smtp.port":"465"", but no change.. used the parameters mentioned in the above blog post, result same grails { mail { host = "smtp.gmail.com" port = "465" username = "[email protected]" password = "mypwd" props = ["mail.smtp.auth":"true", // "mail.smtp.port":"465", "mail.smtp.socketFactory.port":"465", "mail.smtp.socketFactory.class":"javax.net.ssl.SSLSocketFactory", "mail.smtp.socketFactory.fallback":"false"] } } thanks in advance.. Update: It is not port or firewall config, as when I made a grails application from scratch, and tried with the same config, everything works. Also, asked in grails forum http://grails.1312388.n4.nabble.com/grails-mail-mailSender-does-not-have-config-values-td2237704.html#a2237704 . Hope get a lead to try.

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• Flex vs. jQuery vs. GWTvs./ Closre vs. Cappuccino vs. plain JS and HTML5?

  - by Laith J

  Hello, I'm creating my first web application and I'm really confused as to what technology to go for. My application needs to look serious (like an application), it doesn't need many colorful graphical interfaces. It only needs a toolbar, a tab bar, a split panel (preferably 3 columns), an easily-formatable text field, and a status bar. It will connect to a MySQL database through PHP (unless I go for GWT). Users will upload files. My evaluation of the options: Flex: Probably the easiest to develop but I'm pretty sure my application is something one would use on an iPad and with Flash's future on the iPad still unsure, I don't want to take the risk, otherwise Flex would've been my choice. jQuery: I've heard a lot about it and a lot of people recommend but I don't know how easy it is to use and how customizable the look of my app is. GWT: The problem with GWT is that it doesn't have many widgets. Another problem is that I'm gonna have to host the files in AppEngine's datastore and transfer them back and forth to a web server that will do operations on them (I need to process them) which adds more traffic and slows the process which worsens the user experience. Closure: It has a nice toolbar and a nice text field. I'm not sure how easy it is to use. Plus, I read an article that makes it sound really bad. Cappuccino: It has a very nice UI and it has a mac feel. I'm planning to give my application a mac feel anyway so this will save me a lot of theming. But if I go for this option I won't be able to make use of HTML5's new features (especially working offline). Plain JS and HTML5: This gives me the most flexibility but it is the hardest to work for. I'm sorry if this is subjective but I really need help with this.

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• Hidden features of Perl?

  - by Adam Bellaire

  What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work? Guidelines: Try to limit answers to the Perl core and not CPAN Please give an example and a short description Hidden Features also found in other languages' Hidden Features: (These are all from Corion's answer) C# Duff's Device Portability and Standardness Quotes for whitespace delimited lists and strings Aliasable namespaces Java Static Initalizers JavaScript Functions are First Class citizens Block scope and closure Calling methods and accessors indirectly through a variable Ruby Defining methods through code PHP Pervasive online documentation Magic methods Symbolic references Python One line value swapping Ability to replace even core functions with your own functionality Other Hidden Features: Operators: The bool quasi-operator The flip-flop operator Also used for list construction The ++ and unary - operators work on strings The repetition operator The spaceship operator The || operator (and // operator) to select from a set of choices The diamond operator Special cases of the m// operator The tilde-tilde "operator" Quoting constructs: The qw operator Letters can be used as quote delimiters in q{}-like constructs Quoting mechanisms Syntax and Names: There can be a space after a sigil You can give subs numeric names with symbolic references Legal trailing commas Grouped Integer Literals hash slices Populating keys of a hash from an array Modules, Pragmas, and command-line options: use strict and use warnings Taint checking Esoteric use of -n and -p CPAN overload::constant IO::Handle module Safe compartments Attributes Variables: Autovivification The $[ variable tie Dynamic Scoping Variable swapping with a single statement Loops and flow control: Magic goto for on a single variable continue clause Desperation mode Regular expressions: The \G anchor (?{}) and '(??{})` in regexes Other features: The debugger Special code blocks such as BEGIN, CHECK, and END The DATA block New Block Operations Source Filters Signal Hooks map (twice) Wrapping built-in functions The eof function The dbmopen function Turning warnings into errors Other tricks, and meta-answers: cat files, decompressing gzips if needed Perl Tips See Also: Hidden features of C Hidden features of C# Hidden features of C++ Hidden features of Java Hidden features of JavaScript Hidden features of Ruby Hidden features of PHP Hidden features of Python

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• Cast to delegate type fails in JScript.NET

  - by dnewcome

  I am trying to do async IO using BeginRead() in JScript.NET, but I can't get the callback function to work correctly. Here is the code: function readFileAsync() { var fs : FileStream = new FileStream( 'test.txt', FileMode.Open, FileAccess.Read ); var result : IAsyncResult = fs.BeginRead( new byte[8], 0, 8, readFileCallback ), fs ); Thread.Sleep( Timeout.Infinite ); } var readFileCallback = function( result : IAsyncResult ) : void { print( 'ListenerCallback():' ); } The exception is a cast failure: Unhandled Exception: System.InvalidCastException: Unable to cast object of type 'Microsoft.JScript.Closure' to type 'System.AsyncCallback'. at JScript 0.readFileAsync(Object this, VsaEngine vsa Engine) at JScript 0.Global Code() at JScript Main.Main(String[] ) I have tried doing an explicit cast both to AsyncCallback and to the base MulticastDelegate and Delegate types to no avail. Delegates are supposed to be created automatically, obviating the need for creating a new AsyncCallback explicitly, eg: BeginRead( ... new AsyncDelegate( readFileCallback), object ); And in fact if you try to create the delegate explicitly the compiler issues an error. I must be missing something here.

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• Javascript scope chain

  - by Geromey

  Hi, I am trying to optimize my program. I think I understand the basics of closure. I am confused about the scope chain though. I know that in general you want a low scope (to access variables quickly). Say I have the following object: var my_object = (function(){ //private variables var a_private = 0; return{ //public //public variables a_public : 1, //public methods some_public : function(){ debugger; alert(this.a_public); alert(a_private); }; }; })(); My understanding is that if I am in the some_public method I can access the private variables faster than the public ones. Is this correct? My confusion comes with the scope level of this. When the code is stopped at debugger, firebug shows the public variable inside the this keyword. The this word is not inside a scope level. How fast is accessing this? Right now I am storing any this.properties as another local variable to avoid accessing it multiple times. Thanks very much!

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• Help! I've learned jQuery... now I want to learn JavaScript

  - by Derek Adair

  I am a self-taught web developer/programmer. I started out about two years ago by learning how to make simple dynamic websites with HTML/CSS/PHP. Then I started dabbling with animation... Enter jQuery I've become quite proficient with jQuery over the last year and I've even started making my own plugins. I've spent most of my effort learning how to beautify websites with fancy effects and what not. Upon tackling my first full-blown application, I realized how under-developed my knowledge of JavaScript actually is. jQuery has allowed me to rely on its framework so heavily that I rarely use any interesting functions, techniques, or whatever that are 'native' to the JavaScript language. For example: I have a basic understanding of what a closure is... but I am unsure where this technique can actually benefit me. Although as I understand it, that's what my jQuery plugins do with (function ($){//plugin code here})(jQuery). I've seen many posts/blogs/whatever about memory leaks and circular references which is concerning. I'm frustrated because I can wrap my head around the basic concepts of what these are just by reading the articles, but I'm finding that the deeper I go the more I don't understand. The vocabulary alone is burdensome. Let alone how to actually use these techniques/functions/language features. I am trying to figure out what I don't know I'm looking to gather any advice, techniques, articles, books, videos, snippets, examples, potential pitfalls... really anything you have regarding application development with JavaScript/jQuery.

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• AS3 httpservice - pass arguments to event handlers by reference

  - by Shawn Simon

  I have this code: var service:HTTPService = new HTTPService(); if (search.Location && search.Location.length > 0 && chkLocalSearch.selected) { service.url = 'http://ajax.googleapis.com/ajax/services/search/local'; service.request.q = search.Keyword; service.request.near = search.Location; } else { service.url = 'http://ajax.googleapis.com/ajax/services/search/web'; service.request.q = search.Keyword + " " + search.Location; } service.request.v = '1.0'; service.resultFormat = 'text'; service.addEventListener(ResultEvent.RESULT, onServerResponse); service.send(); I want to pass the search object to the result method (onServerResponse) but if I do it in a closure it gets passed by value. Is there anyway to do it by reference without searching through my array of search objects for the value returned in the result? Sorry, this is simple but it's been a long day...

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• Jquery UI modal dialogs

  - by Anonymous user

  Hi All. I have a problem with Jquery UI modal dialogs. I have modal dialog (dialogA), which can create another modal dialog (dialogB). After the second creation and closure of the dialogB the overlay of dialogA disappear. Here is my code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head><link type="text/css" rel="Stylesheet" href="ui-lightness/jquery-ui-1.8.custom.css" /> <script type="text/javascript" src="jquery-1.4.2.min.js"></script> <script type="text/javascript" src="jquery-ui-1.8.custom.min.js"></script> <script type="text/javascript"> function createDialog(dialogId) { $('#' + dialogId).dialog({ autoOpen: true, modal: true, buttons: { 'close': function() { $(this).dialog('close'); }, 'create': function() { var newDialogId = dialogId + '1'; $('body').append('<div id="' + newDialogId + '">' + newDialogId + '</div>'); createDialog(newDialogId); } }, close: function() { $(this).dialog('destroy'); $(this).remove(); } }); } $(document).ready(function() { $('#button1').click(function() { var dialogId = 'dialog'; $('body').append('<div id="' + dialogId + '">' + dialogId + '</div>'); createDialog(dialogId); }); }); </script> </head> <body> <button id="button1">Create dialog</button> </body> </html> Thanks

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• What's the scope of a Javascript variable declared in a for() loop?

  - by Dylan Beattie

  Check out the following snippet of HTML/Javascript code: <html> <head> <script type="text/javascript"> var alerts = []; for(var i = 0; i < 3; i++) { alerts.push(function() { document.write(i + ', '); }); } for (var j = 0; j < 3; j++) { (alerts[j])(); } for (var i = 0; i < 3; i++) { (alerts[i])(); } </script> </head><body></body></html> This outputs: 3, 3, 3, 0, 1, 2 which isn't what I was expecting - I was expecting the output 0, 1, 2, 0, 1, 2, I (incorrectly) assumed that the anonymous function being pushed into the array would behave as a closure, capturing the value of i that's assigned when the function is created - but it actually appears that i is behaving as a global variable. Can anyone explain what's happening to the scope of i in this code example, and why the anonymous function isn't capturing its value?

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• Android - Persist file when app closes.

  - by Donal Rafferty

  I am creating a file in my Android application as follows: HEADINGSTRING = new String("Android Debugging " + "\n" "XML test Debugging"); } public void setUpLogging(Context context){ Log.d("LOGGING", "Setting up logging....."); try { // catches IOException below FileOutputStream fOut = context.openFileOutput(FILE_NAME,Context.MODE_APPEND); OutputStreamWriter osw = new OutputStreamWriter(fOut); // Write the string to the file osw.write(HEADINGSTRING); /* ensure that everything is * really written out and close */ osw.flush(); osw.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally{ Log.d("LOGGING", "Finished logging setup....."); } } And I write to the file during the running of the app as follows: public void addToLog(File file, String text) throws IOException { BufferedWriter bw = new BufferedWriter (new FileWriter(file, true)); bw.write ("\n" + text); bw.newLine(); bw.flush(); bw.close(); } This works fine but when my app closes the file gets deleted and when the app is run again all the information I wrote to it is gone. How can I make sure the file persists even after closure of the app? Update: I have changed MODE_PRIVATE to MODE_APPEND but the problem still remains.

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• How do I add and remove an event listener using a function with parameters?

  - by Bungle

  Sorry if this is a common question, but I couldn't find any answers that seemed pertinent through searching. If I attach an event listener like this: window.addEventListener('scroll', function() { check_pos(box); }, false); it doesn't seem to work to try to remove it later, like this: window.removeEventListener('scroll', function() { check_pos(box); }, false); I assume this is because the addEventListener and removeEventListener methods want a reference to the same function, while I've provided them with anonymous functions, which, while identical in code, are not literally the same. How can I change my code to get the call to removeEventListener to work? The "box" argument refers to the name of an <iframe> that I'm tracking on the screen; that is, I want to be able to subscribe to the scroll event once for each <iframe> that I have (the quantity varies), and once the check_pos() function measures a certain position, it will call another function and also remove the event listener to free up system resources. My hunch is that the solution will involve a closure and/or naming the anonymous function, but I'm not sure exactly what that looks like, and would appreciate a concrete example. Hope that makes sense. Thanks for any help!

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• How can I create a new Person object correctly in Javascript?

  - by TimDog

  I'm still struggling with this concept. I have two different Person objects, very simply: ;Person1 = (function() { function P (fname, lname) { P.FirstName = fname; P.LastName = lname; return P; } P.FirstName = ''; P.LastName = ''; var prName = 'private'; P.showPrivate = function() { alert(prName); }; return P; })(); ;Person2 = (function() { var prName = 'private'; this.FirstName = ''; this.LastName = ''; this.showPrivate = function() { alert(prName); }; return function(fname, lname) { this.FirstName = fname; this.LastName = lname; } })(); And let's say I invoke them like this: var s = new Array(); //Person1 s.push(new Person1("sal", "smith")); s.push(new Person1("bill", "wonk")); alert(s[0].FirstName); alert(s[1].FirstName); s[1].showPrivate(); //Person2 s.push(new Person2("sal", "smith")); s.push(new Person2("bill", "wonk")); alert(s[2].FirstName); alert(s[3].FirstName); s[3].showPrivate(); The Person1 set alerts "bill" twice, then alerts "private" once -- so it recognizes the showPrivate function, but the local FirstName variable gets overwritten. The second Person2 set alerts "sal", then "bill", but it fails when the showPrivate function is called. The new keyword here works as I'd expect, but showPrivate (which I thought was a publicly exposed function within the closure) is apparently not public. I want to get my object to have distinct copies of all local variables and also expose public methods -- I've been studying closures quite a bit, but I'm still confused on this one. Thanks for your help.

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• Inereritance of clousure objects and overriding of methods

  - by bobikk

  I need to extend a class, which is encapsulated in a closure. This base class is following: var PageController = (function(){ // private static variable var _current_view; return function(request, new_view) { ... // priveleged public function, which has access to the _current_view this.execute = function() { alert("PageController::execute"); } } })();` Inheritance is realised using the following function: function extend(subClass, superClass){ var F = function(){ }; F.prototype = superClass.prototype; subClass.prototype = new F(); subClass.prototype.constructor = subClass; subClass.superclass = superClass.prototype; StartController.cache = ''; if (superClass.prototype.constructor == Object.prototype.constructor) { superClass.prototype.constructor = superClass; } } I subclass the PageController: var StartController = function(request){ // calling the constructor of the super class StartController.superclass.constructor.call(this, request, 'start-view'); } // extending the objects extend(StartController, PageController); // overriding the PageController::execute StartController.prototype.execute = function() { alert('StartController::execute'); } Inheritance is working. I can call every PageController's method from StartController's instance. However, method overriding doesn't work: var startCont = new StartController(); startCont.execute(); alerts "PageController::execute". How should I override this method?

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• Why am I having this InstantiationException in Java when accessing final local variables?

  - by Oscar Reyes

  I was playing with some code to make a "closure like" construct ( not working btw ) Everything looked fine but when I tried to access a final local variable in the code, the exception InstantiationException is thrown. If I remove the access to the local variable either by removing it altogether or by making it class attribute instead, no exception happens. The doc says: InstantiationException Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated. The instantiation can fail for a variety of reasons including but not limited to: - the class object represents an abstract class, an interface, an array class, a primitive type, or void - the class has no nullary constructor What other reason could have caused this problem? Here's the code. comment/uncomment the class attribute / local variable to see the effect (lines:5 and 10 ). import javax.swing.*; import java.awt.event.*; import java.awt.*; class InstantiationExceptionDemo { //static JTextField field = new JTextField();// works if uncommented public static void main( String [] args ) { JFrame frame = new JFrame(); JButton button = new JButton("Click"); final JTextField field = new JTextField();// fails if uncommented button.addActionListener( new _(){{ System.out.println("click " + field.getText()); }}); frame.add( field ); frame.add( button, BorderLayout.SOUTH ); frame.pack();frame.setVisible( true ); } } class _ implements ActionListener { public void actionPerformed( ActionEvent e ){ try { this.getClass().newInstance(); } catch( InstantiationException ie ){ throw new RuntimeException( ie ); } catch( IllegalAccessException ie ){ throw new RuntimeException( ie ); } } } Is this a bug in Java? edit Oh, I forgot, the stacktrace ( when thrown ) is: Caused by: java.lang.InstantiationException: InstantiationExceptionDemo$1 at java.lang.Class.newInstance0(Class.java:340) at java.lang.Class.newInstance(Class.java:308) at _.actionPerformed(InstantiationExceptionDemo.java:25)

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