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• JAXB, Netbeans and Interface Insertion Plugin

  - by segolas

  Hi, I can't get my generated classes to implements any interface. This is my xml schema file: xmlns:jxb="http://java.sun.com/xml/ns/jaxb/" xmlns:ai="http://jaxb.dev.java.net/plugin/if_insertion" jxb:extensionBindingPrefixes="ai" <xs:element name="header"> <xs:annotation> <xs:appinfo> <ai:interfaces check="1"> utility.RuleInterface </ai:interfaces> </xs:appinfo> </xs:annotation> <xs:complexType> bla bla bla </xs:complexType> I checked the "Extension" option in the JAXB options and I hav added the xjc-if-ins.jar to the "Libraries" section of my project Properties. But the generated Header class doesn't implements the utility.RuleInterface. I can figure out what am I doing wrong... Is it something missing? Any idea? regards, Segolas

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• How to Remove Files from the Filesystem in blackberry using Eclipse Plugin

  - by Nirmal

  Hello All... I have just jumped into the Blackberry development arena... I am trying one example for storing a persistence data into Blackberry file system. In that I am using following classes : import net.rim.device.api.system.PersistentObject; import net.rim.device.api.system.PersistentStore From using them I am able to persist the data easily... But now I need to remove it from the file system to experiment with something... So, to remove them I am trying following option from Eclipse plugin : Project -> Blackberry -> clean simulator But once I open this option, it's showing me as disable and giving me some alert like "Please select clean option". Thanks in advance....

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• Migrate existing ROR app to GAE

  - by zengr

  I have managed to run a basic rails app1 on App Engine using: http://gist.github.com/268192 So, on my basic app2, I install CE, which works fine on local machine. (communityengine.org) But, when I follow the same steps on my actual app2, where community_engine plugin is installed and all the gems are frozen, the app engine installer script asks for to over write various files like boot.rb, routes.rb, which I don't allow. So, as expected, when I publish the rails + ce app to GAE, it's not published and it also screws the local installation of CE on app2. So, the problem is obvious, CE uses ActiveRecord, and GAE uses DataMapper. So, my question can also be rephrased as: Can we migrate an existing ROR App using Active Record to GAE which uses DataMapper? PS: This is my first project on ROR and GAE.

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• rails using jruby 1.5 - slow!!

  - by gucki

  Hi! I'm currently using passenger with ree 1.8.7 in production for a rails 2.3.5 project using postgresql as a database. ab -n 10000 -c 100: 285.69 [#/sec] (mean) I read jruby should be the fastest solution, so I installed jruby-1.5.0.rc2 together with jdbc postgres adapter and glassfish. As the performance is really poor, I also started running my application using "jruby --server -J-Druby.jit.threshold=0 script/server -e production". Anyway, I only get ab -n 10000 -c 100: 43.88 [#/sec] (mean) Thread_safe! is activated in my rails config. Java seems to use all cores, cpu usage is around 350% (top). ruby -v: jruby 1.5.0.RC2 (ruby 1.8.7 patchlevel 249) (2010-04-28 7c245f3) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_16) [amd64-java] I wonder what I'm doing wrong and how to get better performancre with jruby than with ree? Thanks, Corin

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• structuremap configuration change based on settings in app.config

  - by user74825

  I am using structuremap in my project. To inject different implementation of a repository, I want to have a switch in app.config which changes all real implementation of a repository to a mock repositories. Lets say IRepository has two implementations RealRepository and MockRepository ForRequestedType() .TheDefaultIsConcreteType(); I want to have a switch in app.config / web.config say (Mock=1), which changes all real repositories implementation to ForRequestedType() .TheDefaultIsConcreteType(); I don't want to write whole plugin definition in app.config, just want one switch, how do I implement this?

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• Opera Mobile for Windows + Reported Screen Size

  - by Antony Scott

  I know this isn't a direct programming question, but's it's kinda relevant as I'm trying to get a good testing environment set up before I embark on my latest project. I'm trying to set up Opera Mobile for Windows to allow me to test a new website. The UserAgent I get is a fairly generic one, so my workaround is to tweak my mobile.browser file to have the correct screen width and height of the target device. Is it possible to add to the list of "fake" user agents that Opera Mobile for Windows can pretend to be? It currently supports S60, Android and Windows Mobile.

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• Expression Engine Template Exporting

  - by Lark

  I have a project that was developed into a Expression Engine template. I used the Core version of EE to develop this template on my local machine. Now I need to export this template/weblog so it can be loaded onto the production server so the client can begin using EE to update their site. The issue I am running into is how to export the templates plus the weblogs that go along with the template. This is my first time using EE so if you know how to accomplish this please explain it in detail. Thank you in advance.

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• Optimizing a large iteration of PHP objects (EAV-based)

  - by Aron Rotteveel

  I am currently working on a project that utilizes the EAV model. This turns out to work quite well, but like many others I am now stumbling upon some performance issues. The data set in this particular case consists of aproximately 2500 entities, each with aprox. 150 attributes. Each entity and each attribute is represented by a PHP-object. Since most parts of the application only iterate through a filtered set of entities, we have not had very large issues yet. Now, however, I am working on an algorithm that requires iteration over the entire dataset, which causes a major impact on performance. This information is perhaps not very much to work with, but since this is an architectural problem, I am hoping for a architectural pattern to help me on the way as well. Each entity, including it's attributes takes up aprox. 500KB of memory.

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• IE7 Jquery UI Sortable problem

  - by Qwibble

  Hey guys, I'm using Jquery UI sortable in my current project to make boxes drag and drop-able into new columns. It works in all modern browsers apart from ie7, in which you can drag and drop, but when you drop, it completely ruins the content of the box you're dropping. I've sat and looked at this for ages and have no clue what the problem is. Do any of you have any idea? Here's a demo of what's going on. View it in ie7.

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• Building dictionary of words from large text

  - by LiorH

  I have a text file containing posts in English/Italian. I would like to read the posts into a data matrix so that each row represents a post and each column a word. The cells in the matrix are the counts of how many times each word appears in the post. The dictionary should consist of all the words in the whole file or a non exhaustive English/Italian dictionary. I know this is a common essential preprocessing step for NLP. Does anyone know of a tool\project that can perform this task? Someone mentioned apache lucene, do you know if lucene index can be serialized to a data-structure similar to my needs?

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• Visual Studio : Make files in a folder got to bin/debug and not bin/debug/folder

  - by CF_Maintainer

  Consider This: I have folder called \SQLCE35Dlls inside my solution. It has some dlls that are required for application to interact with a SQLCE database in a stand alone fashion [without sql server ce 35 install on the PC]. After a build, I want these files to go to bin/debug and not to bin/debug/SQLCE35Dlls/. Setting "Copy if Newer" creates the latter situation. I want the former. Is it possible to facilitate this or does this have to done as part of the installer script? [avoiding the solution of adding the dlls at the root level of the solution instead of inside a folder]. This is a Winforms project solution.

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• Visual Studio 2008 freezing when editing aspx/master pages

  - by jayrdub

  Visual Studio freezes up continually when I'm editing master pages or aspx files. Here's what I've tried that have not helped: restarting VS only working with few files open at a time Disabled all addins (resharper etc.) deleted .suo and .user files changed default editor from Web Form Editor and Master Page Editor to HTML Editor installed SP1 I don't have tons of files - 3 Master pages and maybe 30 aspx files. It is a asp.net mvc project. All I have to do to get VS to freeze is type a little text or even just paste. The freezing lasts a good 5-10 seconds. My machine has 4GB of RAM and fast disks. Could it have anything to do with asp.net mvc? Would the amount and size of other projects in the solution affect the editor?

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• lmerTest package install failing on Ubuntu 12.04

  - by Alexandra Tyers

  I'm running Ubuntu 12.04.5 LTS precise 32-bit and trying to install the lmerTest package for R version 2.14.1... When I try to install from the CRAN repository or R-forge: install.packages("lmerTest") or install.packages("lmerTest", repos="http://R-Forge.R-project.org"), I get the error: Warning in install.packages : package ‘lmerTest’ is not available (for R version 2.14.1) So I downloaded the Package Archive File from CRAN and tried to install from this Package source: lmerTest_2.0-11.tar.gz ,but get the error: "installation of package /home/.../lmerTest_2.0-11.tar.gz’ had non-zero exit status" I had a similar problem when trying to install lme4, and using the advice from lme4 package install failing on Ubuntu 12.04 was able to download the package using "sudo apt-get install r-cran-lme4" after which it appeared in my R package list and installed fine from there. I tried a similar tactic with lmerTest "sudo apt-get install r-cran-lmerTest" but just get "Unable to locate package r-cran-lmerTest", so really don't know what to do now, bearing in mind that I'm a novice with both Ubuntu and R, any suggestions/help would be much appreciated

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• How to set AeDebug to get a minidump with the name of the process ?

  - by JC Martin

  I have to perform some post mortem debugging on a C++ project. Known way to perform is to set the cdb debugger as a minidump generator and to process the dumps collects afterwards. I read nearly the whole web and I didn't find a solution to produce a minidump with the name of the process that has crashed Is there a way to set AeDebug\Debugger registry variable in such a manner that cdb generates a dump file with the name of the process ? When I encapsulate the call to cdb.exe in a batch file, it starts well but stays blocked on the symbol searching. I must perform a Ctrl+C in order to stop the batch, then the minidump, with the correct process name, is created... but of course I can't set up such a thing in an unattended production environment... Has anybody done that before ?

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• Can I use XText for a DSL involving an XML file type?

  - by Chris

  I have defined a small DSL that is mostly written in the form of different types of XML files in conjuction with some property files. This works very well but I wish to create an Eclipse Editor to make editing these files easier for beginners (I already have a working parser). The main XML file can reference some items from the .properties files and vice-versa. THe main xml file can also reference other XML files. Certain options should only be available in the main xml file based on the contents of the .properties files and based on some osgi plugins that can be added to the DSL project (the syntax is dynamic depending on context). The structure of the language is fixed but the options available in each attribute or the choice of attributes themselves changes depending on metadata contained in plugin .jar files. Questions: Does XText support dynamic syntax (validation changes depending on external factors)? Does XText support XML files / .properties files? Thank you very much for your help in advance.

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• Microsoft BizTalk Server vNext (after 2009 R2) - Feature Request

  - by Saravana Kumar

  All, This post is not a question; it’s more of asking for feed back and future request. The product team is always looking for feed back to facilitate the future direction of the product. Some of us as BizTalk Server MVP’s/partners get that privilege to work with the product team closely to give our feedback regularly based on our real world experience. But I believe there is a much wider BizTalk community out there working on closed door project that tests the strength of the product to extreme levels. I would like those passionate people to come forward and put their feature request. Let’s use the power of StackOverflow to help us here. We can vote up and down on each feature request, and see what's going to top the chart. I hope this will be a useful exercise. Updated 24th Feb: If you got more than one request, please post it as separate answers. So, its easy to vote against them.

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• Centralized error handling in VB6.

  - by AngryHacker

  I have the following method that all the error handlers call: Public Function ToError(strClass As String, strMethod As String) As String On Error GoTo errHandle ToError = "Err " & Err.Number & _ ", Src: " & Err.Source & _ ", Dsc: " & Err.Description & _ ", Project: " & App.Title & _ ", Class: " & strClass & _ ", Method: " & strMethod & _ ", Line: " & Erl Err.Clear exitPoint: Exit Function errHandle: oLog.AddToLog "Error in ToError Method: " & Err.Description, False Resume exitPoint End Function It turns out that because I declare an error handler in this function On Error GoTo errHandle, VB6 clears the error before I am able to record it. Is there a way to prevent the 'On Error GoTo errHandle' statement from clearing the error?

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• There is no Key attribute in EF CTP 5

  - by Spence

  According to the blog post here Data Annotations in the Entity Framework there should be an attribute for a column called "Key" which allows you to mark the primary key of an entity. However I cannot locate this in .Net 3.5 or .Net 4.0. What have I missed? I've included the reference to EntityFramework.dll and I've checked all the attributes under System.ComponentModel.DataAnnotations but I cannot locate it. I have set my project to .Net 4.0 full (not client profile). Any ideas?

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• ASP.NET MVC F# controller action ignoring parameter

  - by Matt H

  Hi. I have a C# ASP.NET MVC project but my controllers are written in F#. For some reason, the following code doesn't work properly. namespace MvcApplication8.Controllers open System.Web.Mvc [<HandleError>] type ImageController() = inherit Controller() member x.Index (i : int) : ActionResult = x.Response.Write i x.View() :> ActionResult The parameter of the action is seemingly ignored. http://localhost:56631/Image/Index/1 = The parameters dictionary contains a null entry for parameter 'i' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Index(Int32)' in 'MvcApplication8.Controllers.ImageController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter. Parameter name: parameters The controller otherwise works fine. I know that plenty of people have written F# mvc code, so, any ideas where I'm going wrong?

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• Visualizing an AST created with ANTLR (in a .Net environment)

  - by Benjamin Podszun

  Hi there. For a pet project I started to fiddle with ANTLR. After following some tutorials I'm now trying to create the grammar for my very own language and to generate an AST. For now I'm messing around in ANTLRWorks mostly, but now that I have validated that the parse tree seems to be fine I'd like to (iteratively, because I'm still learning and still need to make some decisions regarding the final structure of the tree) create the AST. It seems that antlrworks won't visualize it (or at least not using the "Interpreter" feature, Debug's not working on any of my machines). Bottom line: Is the only way to visualize the AST the manual way, traversing/showing it or printing the tree in string representation to a console? What I'm looking for is a simple way to go from input, grammar - visual AST representation a la the "Interpreter" feature of ANTLRWorks. Any ideas?

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• "Could not load file or assembly 'XXX.YYY' or one of its dependencies. The system cannot find the file specified."

  - by Niall Collins

  I have a .net visual studio solution with a number of projects (class libraries and a web application). I did some refractoring which moved files between projects, created new projects, deleted ones not being used and renamed some existing projects. The solution builds without an issue but when I run the web application, the following exception occurs: "Could not load file or assembly 'XXX.YYY' or one of its dependencies. The system cannot find the file specified." The project called XXX.YYY which was deleted in the refractoring outputed a dll called XXX.YYY. But this isnt used anywhere in the application. I deleted the web applications obj directory and bin folder and rebuild but it still occurs. Anyone have any ideas when this might be occurring, any tips??

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• iPhone: Using plist to populate a grouped table

  - by Jack Griffiths

  Hi there, I was wanting to use a plist to populate my grouped table. I've had a look at the DrillDownSave sample project, and I'm still none-the-wiser. Although, I did learn that I could store hierarchies and suchlike in there. So here's the questions: How can I use my plist to add new items to my grouped table? I'm currently feeding the table with an array, and I've noticed that an array isn't going to be the best thing for me. When a user taps on an item in the plist, how can I push the view to the corresponding item? In other words, how can I push the view based on the selected row (which was generated by the plist) to it's next "view"? If that makes any sense, please reply. Thanks, Jack.

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• Is it naughty to have a large utility file?

  - by banister

  In my C project I have quite a large utils.c file. It is really full of many utilities of different sorts. I feel a bit naughty just stuffing different miscellaneous functions in there. For example it has some utilities related to low level stuff such as a lowercase() function, and it also has some quite sophisticated utilities such as converting to/from different colour formats. My question is, is it very naughty to have such a large utils.c with many different types of utilities in it? Should I break it up into many different kinds of utility files? Such as graphics_utils.c and so on What do you think?

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• python modules difference: .c/.h vs. .py

  - by bijan

  I'm very new to python, as i'm embedding it (in form of a static lib) in an ios project. It's not possible for me to dynamically load python modules, so i would like to compile my modules along with python. For modules shipped with the python source this works (by modifying setup.py or Module/Setup), but when i downloaded a third party module i noticed, i don't fully understand the mechanism. The modules shipped with python come with a .c file in the Modules dir as well as a .py file in the Lib dir. My third party module just comes with .py files. 1.Why do those modules have different file extensions? 2.How to integrate a module coming with .py files in an embedded python version? Obviously pasting them in Modules/Setup does require some .c files. 3.Do these .c files have something to do with the Python C-Api? I guess i'm missing something essential :) Help is much appreciated.

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• Client side templating with unknown variables

  - by Eirik Johansen

  Our company has an intranet consisting of several e-mail templates filled with variables (like [[NAME]], [[PROJECT]] and so on). I was thinking of implementing some sort of client side templating to make it easier to replace these variables with actual values. The problem is that among all the client side template solutions I've located so far, all of them seem to assume that the JS code knows all the template variables that exist in the markup, and none of them seem to be able to fetch a list of variables defined in the markup. Does anyone know of any solutions/plugin which makes this possible? Thanks in advance!

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