playframework

问题 What is the recommended pattern for managing Mondrian database connections? I am using Mondrian as a library in a Scala/Play Framework web application. For example: var connection try { connection = DriverManager.getConnection(connection_string).unwrap(classOf[OlapConnection]) val result = connection.createStatement.executeOlapQuery(mdx) // ... use the result ... } finally { if (connection) connection.close } Is calling close in a finally block the right approach? How do I configure a

问题 I'm creating a menu for my Facebook bot by posting some JSON to their API. The payload is required to be a UTF-8 string. I would like this string to be JSON such that my server can read it easily. The following results in the error "setting_type" is required which indicates something is not being escaped properly: curl -X POST -H "Content-Type: application/json" -d '{ "setting_type" : "call_to_actions", "thread_state" : "existing_thread", "call_to_actions":[ { "type":"postback", "title":

问题 I'm creating a menu for my Facebook bot by posting some JSON to their API. The payload is required to be a UTF-8 string. I would like this string to be JSON such that my server can read it easily. The following results in the error "setting_type" is required which indicates something is not being escaped properly: curl -X POST -H "Content-Type: application/json" -d '{ "setting_type" : "call_to_actions", "thread_state" : "existing_thread", "call_to_actions":[ { "type":"postback", "title":

问题 I'm using Play framework with Scala. I'm facing a weird error and can't figure out what's the solution. The error message is: value Track is not a member of object controllers.routes.javascript <script type="text/javascript" src="@routes.TrackController.javascriptRoutes"></script> @helper.javascriptRouter("jsRoutes")( routes.javascript.Track ) def Track(id:Long)= Action {implicit request => Ok(views.html.track( new TrackData(TrackClient.getTrack(id)))) } def javascriptRoutes = Action {

问题 I'm having an issue when trying to use the sbt-uglify plugin. I've configured the project per: https://github.com/sbt/sbt-uglify in plugins.sbt: addSbtPlugin("com.typesafe.sbt" % "sbt-uglify" % "1.0.3") in build.sbt: pipelineStages := Seq(uglify, digest, gzip) I have a non-trivial number of JS files (60+). What I've been getting is an OutOfMemory exception which prevents me from being able to complete a dist command. Has anyone else encountered this problem? Any ideas/solutions are

问题 How do I process a checkbox input in Play! Framework? Should I catch the value as a String at the controller? How to get what values are checked by a user? This is the html code of my checkbox #{list items:categories, as:'category'} <tr> <td><input type="checkbox" name="category" id="category-${category.name}" value="${category.id}" /><label for="category-${category.name}"> ${category.name}</label></td> </tr> #{/list} 回答1: I think if you have a List<String> category in your form action, you

问题 I am trying to write a sample app with Play 2.5 using Silhouette 4.0 for user/password authentication. Source code available at : https://github.com/pariksheet/dribble I am stuck at setting requestProvider in Environment object Environment[JWTEnv]( identityService, authenticatorService, Seq(), eventBus ) As I am not able to figure out the solution, I am injecting Credential Provider in my all controller classes. class MyController @Inject() (val messagesApi: MessagesApi,val silhouette:

问题 I am trying to write a sample app with Play 2.5 using Silhouette 4.0 for user/password authentication. Source code available at : https://github.com/pariksheet/dribble I am stuck at setting requestProvider in Environment object Environment[JWTEnv]( identityService, authenticatorService, Seq(), eventBus ) As I am not able to figure out the solution, I am injecting Credential Provider in my all controller classes. class MyController @Inject() (val messagesApi: MessagesApi,val silhouette:

问题 I was looking how to implement a filter in Play Framework 2 and, for the best of my knowledge, the best approach is to implement that using action composition. That said, I started doing some testing and I was able to make that to work. The only limitation is when I have nested annotations in the same class. My current use case Perform domain validation when domain parameter is present in the request. If the domain is not present in the local database, perform syntax validation only.

问题 I think i am having a problem in my Procfile. The deploy is compiled successfully but the app does not start with this message -- 2014-03-27T14:17:06.465302+00:00 heroku[api]: Deploy ea0e14d by xxxx@gmail.com 2014-03-27T14:17:06.465378+00:00 heroku[api]: Release v10 created by xxxx@gmail.com 2014-03-27T14:17:14.091032+00:00 heroku[web.1]: Starting process with command `target/universal/stage/bin/enigmatic-dusk-7498 -Dhttp.port=32253` 2014-03-27T14:17:15.199466+00:00 app[web.1]: bash: target