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• Starting with Liferay and a bit overwhelmed with how to begin

  - by hairbymaurice

  Hello I would like to start developing a lifeRay theme and am a little bit lost! I am a Mac user and i have installed liferay and also Xcode but i am not clear how to begin. I have downloaded the SDK for liferay but i do not understand how to install it or use it for that matter, so questions: Is Xcode an appropriate development environment to work with or is something else a little easier to get on with? Does Xcode build in the same way ANT does? How do i install the SDK? Do i just drop it into Tomcat and away i go? Yes i am very new to all this!! I am not actually sure if i am asking the right questions

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• Windows Phone7 Development: Selecting target SDK(OS) version

  - by JibW

  I am a bit confusing in selecting the target version in Windows phone7 Application development. In my Windows phone7 app I need to use a light weight relational DB Which didn't introduce with version 7.0 but SQL CE with 7.1 version. The problem is if I select the target version as 7.1, then the devices which came up with windows phone7 OS 7.0 will not be able to install this. But I heard that all the devices that came with windows phone7 OS version 7.0 is upgradable for windows OS version 7.1 for free. If this is the case then if I select the development SDK version as 7.1, then will all the windows phone7 devices be able to install this? Like to know which will be the best Target version in this case to select, before I start developing. Any guidance/ Idea is highly appreciated. Thanks...

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• Automated Testing tools for HTML5 Canvas

  - by user432195

  I'm looking for a tool to do some automated GUI testing on a HTML5 canvas component we're developing. Basically I'm looking for a tool that is able to record the clicks and events on the canvas component and is able to replay those events. So far most of the testing tools like Telerik WebUI Testing Suite, Selenium, TestSwarm, qUnit, Jasmine, Hudson seems that they don't fully support HTML5 canvas testing. Would you guys know a testing tool that already supports that ? If not, would you know how companies are doing automated testing of HTML5 canvas ? Thanks, Andy N.

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• How can I use the Spark library in my ActionScript project?

  - by bluenote

  I'm using Flare to develop a visualization. Being familiar to Java, Javascript and Eclipse it wasn't a big deal to familiarize myself to developing with Actionscript and Adobe FlashBuilder. I actually found that the learning curve is very flat. However, being new to Actionscript, I can't figure out how to use the Spark libraries that are part of Flex. I tried to add the libraries to the build path, with no success. I guess I'm confused about how Flash, Flex, Actionscript, Spark and Flare work together, even after reading the helpful answers on this question Does anybody know which part of the puzzle I'm missing? Thanks.

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• Can not get json response using $.getJSON

  - by Mellon

  I am currently developing a Ruby on rails 3 application. My server controller function render a json object as response: class DaysController < BaseController ... def the_days ... render :json => days end end In my javascript,I use the following code to get json response from server( that's from the_day function in controller) $.getJSON( url, {emp_id: emp_id}, function(data) { var result = data.response; alert(result) alert(data) }, "json" ); I use firefox browswer and checked with Firebug, in Firebug Net-XHR, I see the Get request is successful, and the response "days" is there. That's both request and response are successful. But I did not see the two alert window defined in the above $.getJSON function, why? Why I can not get the response "days" in $.getJSON function??

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• two instances of tinymce with jquery ui causes chrome page to hang and be not responding

  - by Ahmed safan

  in the cpanel that i'm developing thre is a department for articles in arabic and english so i used two tinymce editors one for arabic and the other is for english it works as expected, but the problem is that when i'm using chrome browser the page suddenly become not responding and never come back and i need to restart it but in IE8 no problem at all. i've found in chrome task manager that the memory usage of the page is over 22 kilobyte. i'm also using jquery ui. i've tried the following 1- using jquery plugin the compressor tiny_mce_gzip.php 2- decreasing the plugins of tinymce [ispell,layers,..] what is the solution or what is the cause

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• Heavy use of templates for mobile platforms

  - by Chris P. Bacon

  I've been flicking through the book Modern C++ Design by Andrei Alexandrescu and it seems interesting stuff. However it makes very extensive use of templates and I would like to find out if this should be avoided if using C++ for mobile platform development (Brew MP, WebOS, iOS etc.) due to size considerations. In Symbian OS C++ the standard use of templates is discouraged, the Symbian OS itself uses them but using an idiom known as thin templates where the underlying implementation is done in a C style using void* pointers with a thin template layered on top of this to achieve type safety. The reason they use this idiom as opposed to regular use of templates is specifically to avoid code bloating. So what are opinions (or facts) on the use of templates when developing applications for mobile platforms.

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• Zero KB SQLite File created by Core Data on application start up

  - by Tots

  I'm developing an iPhone application using Core Data. I had everything working and had to make an adjustment to the database schema and change the relationships through the xcdatamodel file. I deleted the my project's sqlite file in Library/Application Support/iPhone Simulator/3.1.3//Documents. Build and run the application, it creates the sqlite file, but its empty with a file size of 0 KB. At a minimum the table information should be in there. There are no errors/warning in the console. Anyone have an idea what is wrong?

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• Building Boost with LSB C++ Compiler

  - by Alex Farber

  I want to build my program with LSB C++ Compiler from the Linux Standard Base http://www.linuxfoundation.org/collaborate/workgroups/lsb. Program depends on the Boost library, built with gcc 4.4 version. Compilation fails. Is it possible to build the Boost library with LSB C++ Compiler? Alternatively, is it possible to build the Boost library with some old gcc version, what version is recommended? My final goal is to get my executable and third-party Boost libraries running on most Linux distributions. Generally, what can be done to get better binary compatibility for Linux distributions, developing C++ closed-source application depending on the Boost library?

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• I can't display my pages on ASP.NET

  - by iva123

  Hi, I'm developing a web site with asp.net on localhost, I'm beginner. I wrote a login page and it works well. However when I click a link, the server can't load the page and gives this error: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) Any idea?

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• How to specify physical path in ASPX page?

  - by salvationishere

  I am developing a C# VS 2008 / SQL Server 2008 ASP.NET Web Applications project. In one of my ASPX files I am trying to reference the Master file, which is actually located in the parent website. In other words, when I open the parent website, I see this project listed. But when I open this project separately, I do not see parent website and this project is the root. So now how do I use the Master file from the parent website? Currently, I have in my ASPX file: <%@ Page Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeFile="EnhancedCreateUserWizard.aspx.cs" Inherits="Membership_EnhancedCreateUserWizard" Title="Untitled Page" %> But this won't work because it is a virtual path and since this project is the root, I can't access the Master file virtually. Instead I want to specify physical path. How accomplish I do this?

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• MVC-3 User-Image Management - Best Practices

  - by Rob

  Hello Experts, Developing using MVC-3, Razor, C# Been searching around and cannot find advice I'm looking for. My site will contain user-uploaded images (possibly a high number). What is the best practice for managing these pictures (placement, breakdown into sub-folders, etc...)? Where do I place them that will prevent them from getting accidentally blown away if I republish my site periodically? If there are any good articles or blog posts, that would be helpful. Also, any advice/tips anyone wants to add would be great. Thanks for your time! Rob EDIT Also would like to know what people do to prevent hot linking.

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• Flexibility starting to develop applications and DB

  - by kristaps

  Hi! First of all I want to say some info for admins. This post can help to all DBA and developers. Hope You don't close this. I'm writing about widespread problem I'm writing master work and I want that You will had little time to answer my questions in my form. These questions are about db structures. Visit here: http://spreadsheets.google.com/embeddedform?formkey=dEhmOWFGb2twWVFreWJwWXp2U3c5a1E6MQ After I summarized results, I insert it in new post and developers can choose which structure to use to reach needed requirements developing new applications. I think that my test will help a lot of people. Best regards, Kristaps

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• Windows Workflow runs very slowlyh on my DEV machine

  - by Joon

  I am developing an app using WF hosted in IIS as WCF services as a business layer. This runs quickly on any machine running Windows Server 2008 R2, but very slowly on our dev machines, running Windows XP SP3. Yesterday, the workflows were as fast on my dev machine as they are on the server for the whole day. Today, they are back to running slowly again (I rebooted overnight) Has anyone else experienced this problem with workflows running slowly on IIS in XP? What did you do to fix it?

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• Android and Google Maps API - Icons

  - by oriharel

  I want to place markers on the map. I want to use the standard Google Maps icons for markers. how do I use them? I don't want to create my own icons. I'm developing for Android. in the documentation they tell me to create a class that overrides ItemizedOverlay but in the constructor I'm asked to provide a drawable object. how do I point to the standard Google Maps ones? thanks.

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• iPhone - how to be notified of call completion

  - by ecodan

  Hi- I'm developing an application that needs to take action on completed phone calls, preferably right after the call ends but minimally once per day. I've read up on the new CoreTelphony framework, and it seems I can get call events if my app is active, but I don't see how to launch/wake my app when a call ends if my app is not the foreground app. I also don't see how any of the new pseudo-background "modes" would allow my app to listen for these events in the background. Do any of you know how this might be done? If post-call processing isn't possible, then I'd like to figure out a way to automatically wake my app up once per day, pull all of the call events since the last wakeup, and process them. I know how I might do this with Push or Local notifications, but my understanding is that those require user action to continue; in this case, I just want the processing to happen automatically. Is there a mechanism that would enable this? Thanks, Dan

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• Learning Objective-C 2.0 and ASP.NET 4.0 simultaneously?

  - by Sahat

  (HOBBY) I own a Macbook Pro and iPod Touch so developing iPhone/iPod/iPad apps seems like a logical thing to do in order to get some experience in the programming field. Besides I want to write a new application similar to the Capsuleer (Character skills monitor app for EVE Online MMO) but with more features. It's something I'd love to have on my own iPod Touch and I am sure other people will welcome a new EVE Online app for their iPhone or iPod Touch. (CAREER) I want to learn ASP.NET (and possibly Silverlight later on) for my potential future job. I plan to work in the .NET field, so it's a good idea for me to start learning C# and ASP.NET ASAP. Is it a good idea to learn completely unrelated technologies at the same time? Or would it be better to learn one thing at a time? Objective-C first, and ASP.NET second. Or vice versa. Thanks, Sahat

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• Which technology should I choose for 3d globe web application

  - by uther-lightbringer

  Hello, i would like to ask you for an advice. I'm currently developing application in Spring consisting of Spring CRUD application as backend, SpringMVC application as tool for management and third part is where my problem lies as I need have application that renders 3d globe which is fed by data from backend from a data set selected by user (user may switch those at will). It has to be web application (though I would prefer not to implement this in flash/flex), composed of two main parts - main part is classic web GUI where user makes his choices and second part is 3d globe which renders the globe with selected set of data visualised. My question is, what do you think is the best option to implement this? Would be SpringMVC framework usable for this kind of application? I will be gratefull for any leads or directions, thank you.

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• Detecting a message box launched in another application

  - by richard-assaf

  I am developing a windows service, in vb .et, that launches a legacy application that performs some work. The service acts as a wrapper around the legacy app allowing users to automate an otherwise manual operation. Everything is working great, except occasionally the legacy app displays a messagebox. When it does this the process halts until the the message box closes. As the service will be running on a server there will be no user to close the message box. The service launches the legacy application in a System.Diagnostics.Process. My question is, is there way to detect that a message box has been displayed by a process that I have started using System.Diagnostics.Process and is there a way to through code to close the messagebox. I've tried to be brief so if you need more information please let me know. Thanks in advance Richie

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• Does Django tests run slower on the mac compared to linux?

  - by Thierry Lam

  I'm currently developing my Django projects on both: Mac OS X 10.5, 32 bit Ubuntu Server 9.10 64 bits (1 CPU, 512MB RAM) Both of the above OS are using: Python 2.6.4 Django 1.1.1 MySQL 5.1 Running 12 tests for one of my application take: Mac: 57.513s Linux: 30.935s EDIT: Mac Hardware Spec: MacBook Pro 2.2 GHz Intel Core 2 Duo 3GB RAM I'm running the Ubuntu OS on the same mac above through VMware Fusion 2.0.6. You might argue that Ubuntu Server 64 bits is faster but I have observed a similar speed difference on Ubuntu 8.10 32 bits desktop edition. Even if I turn off my linux VM and other mac applications, I still experience the slowness. Has anyone else experienced this Django test speed difference across those two OS?

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• Expert system for writing programs?

  - by aaa

  I am brainstorming an idea of developing a high level software to manipulate matrix algebra equations, tensor manipulations to be exact, to produce optimized C++ code using several criteria such as sizes of dimensions, available memory on the system, etc. Something which is similar in spirit to tensor contraction engine, TCE, but specifically oriented towards producing optimized rather than general code. The end result desired is software which is expert in producing parallel program in my domain. Does this sort of development fall on the category of expert systems? What other projects out there work in the same area of producing code given the constraints?

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• Android pattern for activity "flows"

  - by Otto

  I'm developing an android app that has a bunch of screens (activities) that are supposed to have "continue" and "back" buttons at the top. Can you tell me the right pattern for implementing this? I've seen some iPhone apps that have this but Android apps usually don't (I think partly because the back button is part of the phone). I found a post online about an Activity class that has "sub activities" which kind of seems like what I want to do, but I'm wondering if there's a simpler solution or pattern for creating flows like this (in which several activities are linked with continue/back buttons).

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• How to integrate access control with my ORM in a .net windows form application?

  - by Ying

  I am developing a general database query tools, a .Net 3.5 Windows Form application. In order to make the presentation layer is independent of the database layer. I use an ORM framework, XPO from DevExpress. But, I have no access control function built in. I surfed Internet and I found in WCF Data Services, there is an interesting concept, Interceptor, which is following AOP(Aspect Oriented Programming). I am wondering who has such an experience to build access control in ORM. My basic requirement is : It should be a general method and controlled by users in runtime. So any hard coding is not acceptable. It could be based on attribute, database table, or even an external assembly. I am willing to buy a ready solution. According to the idea of AOP, an access control function can be integrated with existing functions easily and nearly not knowingly to the previous developer;) Any suggestions are welcome.

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• creating a wordpress dev enviornment and uploading to production

  - by Jeff

  I am an old school java developer who is considering a using wordpress. I'm used to developing locally on my PC (yeah yeah not even a mac) and then ftping my files up to a production environment on a remote server. My high level review of wordpress gives me the impression that typically there is no concept of lower environments and that all updates occur directly in production. Is this the case? If not, can someone explain how one goes about uploading the files to a web site? Thanks, Jeff

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• Why Instruments report a leak?

  - by mike

  Hi, I am developing an iphone app. Instruments reported a leaked object ServiceTypes. Below is the relevant code. Does anyone have any ideas? Thanks a lot for your help. ServiceTypes *serviceTypes = [[ServiceTypes alloc] init]; if ([userConnection getServiceTypes:serviceTypes]) { if ([serviceTypes.types length] 0) { NSArray *array = [[NSArray alloc] initWithArray:[serviceTypes.types componentsSeparatedByString: SERVICE_TYPE_DELIMITOR]]; serviceRequestTypes = [[NSMutableArray alloc] initWithArray:array]; [array release]; } } [[self typesTableView] reloadData]; [serviceTypes release];

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