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  • Can an application on the user's computer be started from a Firefox Extension?

    - by Saurabh Agarwal
    For example, can I start an instance of "Calculator.exe" on the user's computer (if it is available of course) upon some particular event in firefox, say clicking of a button? I thought of perhaps linking the extension to Python's subprocess method using XPCOM. But I was wondering whether there is an easier way. Additional information: I do not, at this point need to interact with the application upon its instantiation. Therefore I am looking for a way to open an application that's all. (Though, out of interest, if you have any pointers to interact with the same as well, that would be great) Thanks!

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  • iphone application development -- passing data to and from the server.

    - by SAPNA
    i have to develop an -phone application .user logs in through the i-phone and gets data stored in the database.our database is created in MY SQL. and website is developed in (classic) ASP.interface is created in i-phone SDK. connection is remaining.what should i use for transferring data to server and from the server. JSON or SOAP.is XML parsing necessary.actually i am very new to this field. so a bit confused. we have some time left for completing our application.so in urgent need of help. thank you in advance.

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  • How do I change the number of thumbnails seen in the Android sample Home application?

    - by Todd
    I am working with the sample Home application project on http://developer.android.com/resources/samples/Home/index.html I've added another value to the THUMBS_IDS and IMAGE_IDS Integer arrays in the Wallpaper class for a total of four wallpaper options. When I run the application with Device API version 7, Skin: HVGA, hw.lcd.density: 160, in portrait layout, the fourth wallpaper option is not shown. I need to use the directional keys in the emulator to see the 4th wallpaper option, because the first option is centered. I have modified only the wallpaper.xml file with a variety of android:layout_* options with no success at this point. How do I show all four of my wallpaper options?

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  • WP7 - attempt to select and use application static resource in codebehind not working (no resources found).

    - by pearcewg
    With Windows Phone 7, I'm attempting to dynamically add controls to and object in codebehind, and apply a StaticResource to the new control. Xaml file sample: <phone:PhoneApplicationPage.Resources> <ControlTemplate x:Key="PushpinControlTemplateBlue" TargetType="my2:Pushpin"> ... </ControlTemplate> </phone:PhoneApplicationPage.Resources> Codebehind sample: >Pushpin myPush = new Pushpin(); >myPush.Location = new GeoCoordinate(52.569593, -0.9261151403188705); >myPush.Content = ""; >myPush.Template = (ControlTemplate)Application.Current.Resources["PushpinControlTemplateBlue"]; >mapMain.Children.Add(myPush); When I debug, and look at "Application.Current.Resources", there are no items in the collection, so the item is added to the controls list, but doesn't show up because it has no content. Is there something simple I'm doing wrong? How do I correctly access the resource?

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  • How can I make external script output link to code in Visual Studio?

    - by JoelFan
    I sometimes need to search code for patterns in a way that goes beyond the regex capabilities of Visual Studio (e.g. patterns that depend on what was seen previously in the file or on the contents of other files). So I use Perl to analyze the source and output matching lines, along with the file name and line number. Since this is the exact same format as is produced by the search feature of Visual Studio, I wonder if there is a way to duplicate the functionality where I can double-click on a line and it will display that line in context in Visual Studio. Any ideas?

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  • C++ execution error: This application has requested the Runtime to terminate it in an unusual way.

    - by user1846547
    I am trying to run a C++ program and am getting the following error message when I try to run the program using - Codeblocks IDE and SQL API: "This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. Process returned 3 (0x3) execution time : 7.547 s Press any key to continue." The program compiles fine but on execution throws this error. My current OS is Windows server 2003 - SP2 (32 bit). Also program compiles and executes fine on Windows XP (32 bit) without any hassles. I checked the services (services.msc) running on my XP machine and compared with Windows server 2003 and found the settings same. Can someone please have a look and help me resolve the issue? thanks, Dhruv

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  • When should one let an application crash because of an exception in Java (design issue)?

    - by JVerstry
    In most cases, it is possible to catch exceptions in Java, even unchecked ones. But, it is not necessarily possible to do something about it (for example out of memory). For other cases, the issue I am trying to solve is a design principle one. I am trying to set-up a design principle or a set of rules indicating when one should give up on an exceptional situation, even if it is detected in time. The objective is trying to not crash the application as much as possible. Has someone already brainstormed and communicated about this? I am looking for specific generic cases and possible solutions, or thumb-rules. UPDATE Suggestions so far: Stop running if data coherency can be compromised Stop running if data can be deleted Stop running if you can't do anything about it (Out of memory...) Stop running if key service is not available or becomes unavailable and cannot be restarted If application must be stopped, degrade as gracefully as possible Use rollbacks in db transactions Log as much relevant information as you can Notify the developers

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  • Should the program logic reside inside the gui object class or be external to the class?

    - by hd112
    I have a question about how to structure code in relation to GUI objects. Suppose I have a dialog that has a list control that has a bunch of names obtained from a database. The user can edit the names. Does the logic reside inside that dialog class or should it be from the outside. To illustrate what I mean, here’s some pseudo code showing the structure of the code when the logic is handled outside the dialog class: NamesDialog : wxDialog { Private: ..stuff.. Public: ... SetNames(wxStringArray names); wxStringArray GetNames(); ..stuff.. } So the user of the class would do something like: wxStringArray names = DatabaseManager::Get()->GetNames(); names.Sort(); NamesDialogObject.SetNames(names); NamesDialogObject.ShowModal(); wxStringArray modified_names = NamesDialogObject.GetNames(); AddToDatabase(modified_names); //or something like this. On the other hand, the database logic can reside inside the NamesDialog class itself. In the show method I can query the database for the names and as the user interacts with the controls (list control in this case), the database can be updated from the event handlers. As a result the NamesDialog class only has the Show() method as there is no need to use SetNames or GetNames() etc. Which method is generally preferred? I don’t have much work experience so I’m not sure which is the proper way to handle it. Sometimes it's easier to handle everything in the class but getting access to objects it interacts with can be challenging. Generally can do it by having the relevant objects be singletons like the database manager in the above example.

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  • How to call method written in C# class library from Silverlight application(xaml.cs file) ?

    - by Shyju
    Can a Silverlight application call a method in a full .NET c# class library? I am trying to add a Silverlight control to my Existing ASP.NET project where i used to add reference to my Business Logic Project and access methods from My UI pages of ASP.NET Web application. Now I have added one Silverlight project to my solution. How can I use the already existing BL method which is in a C# class library ? When tried to add reference, it is saying that "You can only add project reference to other silver light projects in the solution". Should i give up ? Is there any way to get rid of this ?

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  • Using Dropbox API instead of a FTP server for backing up DB/Source in your application.

    - by Somebody still uses you MS-DOS
    This is a small aplication scenario. Usually, when you have to do some backups of source code/database on your server, you use a second ftp server, a cronjob to tar.gz your db dumps and source files, and send this file to your ftp server from your application server. Dropbox created an API to use it's infrastrucutre. Since they provide 2gb for free accounts, I thought about being able to upload to it instead of a ftp server. So, if you do some freelance work, you can create a free account for each client and use this approach, maybe encrypting the files you send. You even gain a revision for each sent file, like a revison control system, for free, from the last 30 days. What do you think of this approach? Is it possible? And, more importantly: what are the security risks involved? (That's why I'm asking this on serverfault, since this POV from sysadmins will be more accurate). Thanks!

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  • How can I extract data from a 3rd party application's UI controls?

    - by John MacIntyre
    In 2003 I found a little utility which allowed me to select a control (like a listview) on any application, and it would copy it's contents into the clipboard. For example, you could select the list in Windows Explorer, and all the filenames, sizes, dates, etc. would be copied for you to paste into Notepad. I don't remember the name of it, but I do remember the name was so unrelated that I could never find it when I needed it. So now, years later, I can't find it. Does anybody know of any utilities which might do this? Or possibly even the utility I'm talking about?

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  • Application running as a service is not able to create the same number of processes as when it runs

    - by Pini Reznik
    I have a Windows application which creates up to 35 processes and it's working OK when it's running from cmd. But when it is executed as a service on the same machine it is able to create only 20 processes and all other are killed because of some kind of resource exhaustion problem. The problem is persistent on one Windows 2003 server but not reproducible on other servers. Can it be because the system has run out of desktop heap? http://support.microsoft.com/kb/184802 How can I check it?

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  • Can I accesss an external file when testing an R package?

    - by Abe
    I am using the testthat package to test an R package that is within a larger repository. I would like to test the contents of a file outside of the R package. Can I reference a file that is located outside of an R package while testing? What I have tried A reproducible example can be downloaded as MyRepo.tar.gz My repository is called "myRepo", and it includes an R package, "myRpkg" and a folder full of miscellaneous scripts ~/MyRepo/ ~/MyRepo/MyRpkg ~/MyRepo/Scripts The tests in "MyRpkg" are in the /tests/ folder ~/myRepo/myRpkg/tests/test.myscript.R And I want to be able to test a file in the Scripts folder: ~/MyRepo/Scripts/myscript.sh I would like to read the script to test the contents of the first line doing something like this: check.script <- readLines("../../../Scripts/myscript.sh")[1] expect_true(grepl("echo", check.script)) This works fine if I start from the MyRepo directory: cd ~/MyRepo R CMD check MyRpkg But if I move to another directory, it fails: cd R CMD check MyRepo/MyRpkg

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  • Should I host my entire web application using https?

    - by user54455
    Actually my only requirement for using SSL encryption is that when a user logs in, the password is transferred encrypted. However after reading a bit about protocol switching, that an HTTPS session can't be taken over as an HTTP session etc. I've been asking myself if it's so bad to just have the entire application use HTTPS only. What are the reasons against it and how would you rate their importance? Please also mention: How much performance do I lose on server side (roughly)? How much performance do I lose on client side (roughly)? Any other problems on server / client side?

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  • Can Settings bundle use values from application's Info.plist file?

    - by delirus
    Hi, is it possible to use values from application's Info.plist file as DefaultValue value for items in Settings.bundle? For example CFBundleVersion. I've tried entering it as ${CFBundleVersion} but it didn't work. I've also tried changing DefaultValue type but with no success. Any ideas? The reasons behind are simple: CFBundleVersion is known at compile time, so I won't have to take its value from application's mainBundle and then apply that value to NSUserDefaults. Other reason is that just after installing the app, but before running it, Settings bundle values are not in-sync as the code setting NSUserDefaults did not have a chance to execute itself... so it would be boring to always remember that I have to change my Settings bundle values manually.

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  • What is an appropriate way to programmatically exit an application?

    - by denchr
    I am evaluating user inputs as commands for my application. If the user presses Q, or q, and then hits enter, the application quits and execution terminates. Is there a proper context, or best practices on how to do that? I do not have any resources to release, or anything like that. Should I just use System.exit(0);? Is there a recommended way to do that? As my first approach I do something like this: while (true){ try{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //Other logic goes here... if (br.readLine().equalsIgnoreCase("Q")){ System.exit(0); } } catch (IOException ioe) { System.out.println("IO error trying to read your selection"); } }

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  • How do I get a list of all languages that my Windows Forms application has been localized to?

    - by Andrei B
    I have localized localized a Form into two language by setting the Localizable property to True and setting the Language from (Default) to (Dutch(Netherlands)), and I changed the control texts. Visual Studio generated the resource files and compiles them into the application. I need to get a simple list of all the languages that my form has been localized into. Currently it would be just two English and Dutch, but more may come. I need to programatically get a list of "what languages my application is localized into". Do I look into the resource files or use ResourceManager or what? Thanks!

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