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  • iPhone UITableViewController and Checklist

    - by Leo
    Hi guys, I have an iPhone application. First view controller which is a UITableViewController has a cell for "category". When user select "category" it will push another UITableViewController where user can select category. What is the proper way to implement that so when you click back on navigation bar it will remember your selection and populate the selected in the back view controller's "category" cell. An example of this can be found in ebay application. When you search for something in ebay iphone application you have "Refine" button on top right. When you click this you can further refine the category. I'm trying to achieve exactly like this. Thanks

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  • Unable to install app on ipad

    - by LK
    I am trying to install an application that I have compiled on an ipad but am getting the following error (more or less...) when itunes tries to install it: The application was not installed on the ipad because an unknown error occurred 0xE80000051 Any leads would be appreciated. I have tried authorizing itunes but this made no difference.

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  • bidirectional habtm linking

    - by Alexey Poimtsev
    Hi, all. I have application with 2 groups of models - content based (news, questions) and "something" based (devices, applications etc). I need to link all models between groups - for example question may belongs to 3 different things - one application and 2 devices. The same - for news. From other side - i need to see all news articles and questions related to some application or device. Any idea how to develop this in rails? I have only one idea - mixins that will add methods content_id and thing_id to models and join table.

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  • iPhone development time...

    - by Tisch
    I have been asked to develop a relatively simple iPhone application. However, it would be my first application. I am a fairly competent programmer and can turn my skills to a new language fairly quickly... what my question is, is... How long has it taken some of you guys to make your first iPhone application and what was your experience like? Also, if you can say this sort of information, how much did you charge for it?! Thanks in advance. Kindest Regards Tom

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  • Ask Basic Configurator in Apache Commong Log

    - by adisembiring
    I use log4j as logger for my web application. in log4j, I can set the level log in log4j properties or log4j.xml. in log4j, we instance logger as follows: static Logger logger = Logger.getLogger(SomeClass.class); I init log4j basic configurator in a servlet file using init method. But, I usually test application using JUnit, So I init the basic configurator in setup method. after that, I test the application, and I can see the log. Because I deployed, the web in websphere. I change all of logging instance become: private Log log = LogFactory.getLog(Foo.class); I don't know how to load basic configurator using ACL. so I can't control debug level to my JUnit test. do you have any suggestion, without changing static Logger logger = Logger.getLogger(SomeClass.class); become static Logger logger = Logger.getLogger(SomeClass.class);

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  • Batch equivilant of Bash backticks

    - by MiffTheFox
    When working with Bash, I can put the output of one command into another command like so: my_command `echo Test` would be the same thing as my_command Test (Obviously, this is just a non-practical example.) I'm just wondering if you can do the same thing in Batch.

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  • Recovering the deleted data from Android SD Card ?

    - by Nish
    I am trying to make an Android application which would try to recover deleted content from the SD Card. How feasible it is ? I have following method in mind: 1) Since, the files are not actually deleted, can I access the file system to see files which has been marked to be overwritten. 2) Or will I have do header/footer file carving ? Is it possible from the application layer of android ? I am concerned about files stored on contiguous sectors and not the fragmented once. I want to do a basic file retrieval. Please let me know some resources which I can use to make this application ?

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  • Good working habits to observe in project development?

    - by Will Marcouiller
    As my development experience grows, I see fit to stick to best practices from here and there to build somehow my own working practices while observing the conventions, etc. I'm currently working on a project which my goals is to graduate the security access model from an environment's Active Directory to another environment's automatically. I don't know for any of you, but as far as I'm concerned, I meet some real difficulties sticking to only one way, then develop. I mean, I learn something new everyday while visiting SO, and recently wanted to get acquainted with generics. On the other hand, I better know the Façade pattern which proved to be very practical in transactional programming in process systems. This seems to be less practical for desktop application as there are plenty of variables to consider in a desktop application that you don't have to care in transactional programming, as you're playing only with information data. As for my current project, I have: Groups; Organizational Units; Users. Which are all considered an entry in the Active Directory. This points out to be a good candidate for generics, as also approached this way by Bart de Smett's Linq to AD on CodePlex. He has a DirectorySource<T>, and to manage let's say groups, then he instantiate a source with the proper type: var groups = new DirectorySource<Group>(); This seems to be very a good way of doing. Despite, I seem to go from one pattern to another and I don't seem to be able to strictly stick to one. While I'm aware that one must not stay with only one way of doing, since each pattern statisfies certain advantages, while also illustrating disadvantages under some usage conditions, I seem to want to develop with both patterns having a singleton Façade class with the underlying factories which represent the sub systems: GroupsFactory; UsersFactory; OrganizationalUnitsFactory. Each of the factories offers the possible operations for their respective entity (group, user, OU). To make a very long story short, I often have plenty of ideas while developping and this causes me some trouble, as I go from an idea to another feeling completely lost after a while. Yet I understand the advantages and disavantages, I have no trouble choosing from one pattern to another depending on the situation. Nevertheless, when it comes to programming itself, if I'm not part of a team, I feel sometimes like I can't do anything good. That is, because I can't stand not doing something "perfect" the first time. The role I play within the project is both: the project manager and the programmer. I am more comfortable in the project manager role, architectural role, analytical role than the developer's. Has any of you some good habbits to observe in project development? Thanks to you all! =)

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  • Data mining textbook

    - by lmsasu
    If you followed a DM course, which textbook was used? I know about Data Mining: Practical Machine Learning Tools and Techniques (Second Edition) and this poll. What did you effectively use?

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  • MFS Agile Process Template Work Items

    - by devdept
    Where can I find a practical example on how to use Bug, Risk, Scenario, Task and Quality of Service Requirement work items? On MSDN documentation I found this topic: http://msdn.microsoft.com/en-us/library/bb668962.aspx but it is not enough for me to deeply understand when to use one or the other. Thanks!

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  • When to use which mysql partitioning model

    - by Industrial
    Ok guys, just starting out with partitioning some tables in mySQL. There's a couple of different ways describing this, but what I cant find is a more practical approach. - Which type of data does each way of partitioning have the best effect on? Or doesn't it really matter?

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  • C# Threading vs single thread

    - by user177883
    Is it always guaranteed that a multi-threaded application would run faster than a single threaded application? I have two threads that populates data from a data source but different entities (eg: database, from two different tables), seems like single threaded version of the application is running faster than the version with two threads. Why would the reason be? when i look at the performance monitor, both cpu s are very spikey ? is this due to context switching? what are the best practices to jack the CPU and fully utilize it? I hope this is not ambiguous.

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  • Ruby: intelligent patch/update

    - by Shyam
    Hi, After being blown away by the greatness of irb and rails console, I am loving the dynamical parts of the language more and more. Now, I wonder if it would be possible for a Ruby application to update itself on-the-fly (if the write permission allows it). Can a Ruby application fetch an update and refresh itself? I have seen this functionality a lot in Apple applications and I know updates and fixes are something you must anticipate for when deploying an application. Thank you for your feedback, comments and answers!

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  • Need Descriptive architecture to develop file server in dot net.

    - by Vivek
    Hello All, I have to develop a file server service that transfer file form a specified location to its client.Client when starts, requests file to server for current date. Server transfer those file to client. Now constrains are as 1.Application run in intranet. 2.Need to transfer multiple file at a single transaction. 3.File size may be in GB. 4.System runs in real time environment.So proper transaction and acknowledgment needed. 5.Application develop in .net. 5.More than one client can present. Now please help to decide architecture and .net technology (WCF (Http binding) WCF (net tcp binding) ,Socket Programing ( i want to use WCF )) that i choose to develop file server. and Please refer some sample application.

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  • Enable access for assistive device programmatically

    - by Dheeraj
    Hi All, I want to enable Access for assistive devices in System Preferences programmatically. But Problem is that my application is not running as root user and i do not want my application to be as root user and also should not ask for any authentication in between. I want to tap all keyboard events globally. I am using CGEventTapCreate() for the same.In the documentation of CGEventTapCreate() API it is mentioned that, Event taps receive key up and key down events if one of the following conditions is true: The current process is running as the root user. Access for assistive devices is enabled. In Mac OS X v10.4 & later, you can enable this feature using System Preferences, Universal Access panel, Keyboard view. I tried manually by checking the Enable Access for assistive devices from System Preference and it gives me expected output. So is there any way to do the same via program without asking for authentication and also application is not running as root user? Thanks, Dheeraj.

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  • Specify Search Path for .net assembly binding/Fusion in app.config?

    - by Michael Stum
    I have an application that depends on other .net assemblies. When I start the application, I get an error that an assembly or one of its dependencies cannot be loaded. I do not want to put the assemblies into the GAC or into the Directory of the application. Is there a way (app.config?) to tell .net to look into a given path when trying to load assemblies? I believe I can use assembly binding for a single assembly, but I'm looking for a wildcard solution to add a path to the "search paths"

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  • Centralized Credentials Service For Various Apps

    - by Vlad
    We are researching the possibility to build a centralized credentials storage for internal applications. These apps (vb6, vb.net, web apps in asp.net, etc) are using various instances of SQL servers and iSeries. We want to implement a central credentials facility that would act as a security broker. Basically it should work like this: Client app supplies AppID (I am Sales Application) and EnvironmentID (I am running in QA environment) and in return will get either a connection object (preferred) or encrypted connection string that will allow said application to connect to resources it needs. There will be cases when application needs to connect to two (or more) database resources (i.e. to SQL and iSeries). What are looking at DP API at the moment, but I am not convinced that DP API is the solution as it tied in with machine key. In our case using machine key isn't feasible, so I want to know if there are other approaches available.

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  • MFC resource.h command/message IDs

    - by ak
    Hi I'm working on an MFC application, that got pretty messy over years and over different teams of developers. The resource.h file, which contains all command/message mappings grew pretty big over time, and has lots of problems (like duplicate IDs). I am not proficient with MFC, so the question might sound pretty stupid... MSDN docs mention that Command IDs and Message IDs should not be less than WM_USER and WM_APP correspondingly. I saw that most of the command IDs in resource.h generated by Visual Studio begin around 100. Shouldn't this cause some interfering with MFC/Windows commands and messages, that overlap with the application defined IDs? For example, I have a command ID : #define ID_MY_ID 101 and there is a windows command that has the same ID. When MC send this command to the APP, it's handled like an application defined ID_MY_ID, and the app is taking unnecessary actions. Is it a possible scenario? Also, is there some third party tool that helps to profile the project resources?

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  • QML 5.3 iOS compilation of pure QML app

    - by Nathaniel Johnson
    I have an application written in QML. Initially, I used the standard C++ bootstrap for the app. int main(int argc, char *argv[]) { QApplication app(argc, argv); // A bunch of components and data models written in C++ QQmlApplicationEngine engine; engine.load(QUrl(QStringLiteral("qrc:///main.qml"))); return app.exec(); } The bulk of the app is in QML and the more I work with QML, the happier I am with it and the more I feel comfortable converting the C++ pieces to QML. So, it comes to one risk that I wanted to ask about. If I convert the app to a pure QML application like the kind generated by the Qt Quick UI application wizard with no C++ and designed to be run with qmlscene will I be able to compile it for iOS when the time to port it comes or will I end up just converting it back to the C++ loader form? TL;DR Can pure QML (no C++) apps be compiled and run on iOS devices?

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  • I can't change HTTP request header Content-Type value using jQuery

    - by Matt
    Hi I tried to override HTTP request header content by using jQuery's AJAX function. It looks like this $.ajax({ type : "POST", url : url, data : data, contentType: "application/x-www-form-urlencoded;charset=big5", beforeSend: function(xhr) { xhr.setRequestHeader("Accept-Charset","big5"); xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=big5"); }, success: function(rs) { target.html(rs); } }); Content-Type header is default to "application/x-www-form-urlencoded; charset=UTF-8", but it obviously I can't override its value no matter I use 'contentType' or 'beforeSend' approaches. Could anyone adivse me a hint that how do I or can I change the HTTP request's content-type value? thanks a lot. btw, is there any good documentation that I can study JavaScript's XMLHttpRequest's encoding handling?

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  • HTTP Data chunks over multiple packets?

    - by myforwik
    What is the correct way for a HTTP server to send data over multiple packets? For example I want to transfer a file, the first packet I send is: HTTP/1.1 200 OK Content-type: application/force-download Content-Type: application/download Content-Type: application/octet-stream Content-Description: File Transfer Content-disposition: attachment; filename=test.dat Content-Transfer-Encoding: chunked 400 <first 1024 bytes here> 400 <next 1024 bytes here> 400 <next 1024 bytes here> Now I need to make a new packet, if I just send: 400 <next 1024 bytes here> All the clients close there connections on me and the files are cut short. What headers do I put in a second packet to continue on with the data stream?

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  • camera preview on androd - strange lines on 1.5 version of sdk

    - by Marko
    Hi all, I am developing the camera module for an android application. In main application when user clicks on 'take picture' button, new view with SurfaceView control is opened and camera preview is shown. When users click on dpad center, camera takes picture and save it to the disc. Pretty simple and straightforward. Everything works fine on my device - HTC Tattoo, minsdkversion 1.6 ...but when I tested application on HTC Hero minsdkversion 1.5, when camera preview is shown,some strange lines occur. Anyone has idea what is going on? p.s. altough preview is crashed, taking of pictures works fine here is the picture: Thanx Marko

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  • Embedded web server and gui framework for .NET applications

    - by Toad
    Hi, I'm looking for a framework which allows me to manage my application through a webbased GUI (using an embedded webserver) instead of winforms. Something like this: http://www.webtoolkit.eu/wt but then for .NET In my code I should be able to instantiate classes (like buttons, forms etc), and when a user browses to a given port, the app should render it as javascript/ajax etc etc. preferably, when buttons are pushed, a notification in my code should be called. this is a less specific question than another one I posted about extjs. I hope this will attract more viewers since it is more generic Thanks. Update: cassini like solutions don't fit the bill. Since the webbrowser is embedded in my application, there is no need for ASP.NET server side scripts. I would rather have the framework, call functions inside my application when things happen on the page. onButtonClicked() for instance.

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  • How to determine user's language setting from LocalSystem

    - by Louis
    I have a Windows system service that needs to communicate string information to an application running under the user's account. The strings will appear to the user so I want to make sure that the strings that the service passes to the application are in the same language as the user account. How can I tell what display language the currently logged in user has from the service code? If I can determine this, I can just load the correct resource file and be done. I don't have to support multiple user's logged in so the service will only communicate with one application instance at a time.

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  • How do I pipe the Java console output to a file?

    - by Ced
    I found a bug in an application that completely freezes the JVM. The produced stacktrace would provide valuable information for the developers and I would like to retrieve it from the Java console. When the JVM crashes, the console is frozen and I cannot copy the contained text anymore. Is there way to pipe the Java console directly to a file or some other means of accessing the console output of a Java application? Update: I forgot to mention, without changing the code. I am a manual tester. Update 2: This is under Windows XP and it's actually a web start application. Piping the output of javaws jnlp-url does not work (empty file).

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