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• How to debug manifest errors?

  - by Rryk

  I am creating an application that depends on third-party library, which in turn depends on MSVCP90D.dll (it was compiled with debug symbols). While starting the application it fails to start and provides an error message: I have found such library in C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\redist\Debug_NonRedist\amd64\Microsoft.VC90.DebugCRT and C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\redist\Debug_NonRedist\x86\Microsoft.VC90.DebugCRT. As you can see one of them is 64-bit, while the other is 32-bit. When I have placed 32-bit into the directory of the application the application silently crashes while loading (log from Visual Studio Output window is below). With the 32-bit one I get another error message: If I press Abort -- programs shuts down, Retry results in breaking into debug session for crt0msg.c file. This is system file and I have no idea how to debug it. If I press Ignore I get yet another error message: So the question is how to debug such errors? Please give me some links where I can read more about it or point me out what exactly I should do in such cases. I know this relates to manifest problems -- please give me a good resource where I can read about resources, since what I have found have confused me even more. This is log for 64-bit version of the MSVCP90D.dll library: 'chrome.exe': Loaded 'D:\Projects\Chromium\devenv\install\build-msvc-debug\chromium-xml3d-rtsg2\chrome.exe', Symbols loaded. 'chrome.exe': Loaded 'C:\Windows\SysWOW64\ntdll.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\kernel32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\KernelBase.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\user32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\gdi32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\lpk.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\usp10.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\msvcrt.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\advapi32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\sechost.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\rpcrt4.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\sspicli.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\cryptbase.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\shell32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\shlwapi.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\winmm.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\version.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\psapi.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\imm32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\msctf.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'D:\Projects\Chromium\devenv\install\build-msvc-debug\chromium-xml3d-rtsg2\chrome.dll', Symbols loaded. 'chrome.exe': Loaded 'C:\Windows\SysWOW64\ole32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\oleaut32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16385_none_421189da2b7fabfc\comctl32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\oleacc.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\opengl32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\glu32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\ddraw.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\dciman32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\setupapi.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\cfgmgr32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\devobj.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\dwmapi.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'C:\Windows\SysWOW64\secur32.dll', Symbols loaded (source information stripped). 'chrome.exe': Loaded 'D:\Projects\Chromium\devenv\install\build-msvc-debug\rtsg2\bin\RTSG2.dll', Symbols loaded. 'chrome.exe': Unloaded 'D:\Projects\Chromium\devenv\install\build-msvc-debug\chromium-xml3d-rtsg2\chrome.dll' 'chrome.exe': Unloaded 'D:\Projects\Chromium\devenv\install\build-msvc-debug\rtsg2\bin\RTSG2.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\secur32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\opengl32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\ddraw.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\dwmapi.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\setupapi.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\devobj.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\cfgmgr32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\dciman32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\glu32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\oleacc.dll' 'chrome.exe': Unloaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16385_none_421189da2b7fabfc\comctl32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\oleaut32.dll' 'chrome.exe': Unloaded 'C:\Windows\SysWOW64\ole32.dll' 'chrome.exe': Loaded 'C:\Windows\SysWOW64\ole32.dll', Symbols loaded (source information stripped). The program '[1152] chrome.exe: Native' has exited with code 9 (0x9).

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• Storing information inside YAML

  - by yuval

  I looked through the YAML for ruby documentation and couldn't find an answer. I have a list of several employees. Each has a name, phone, and email as such: Employees: Name | Phone | Email john 111 [email protected] joe 123 [email protected] joan 321 [email protected] How would I write the above information in YAML to end up with the following ruby output? employees = [ {:name => 'john', :phone => '111', :email => '[email protected]'}, {:name => 'joe', :phone => '123', :email => '[email protected]'}, {:name => 'joan', :phone => '321', :email => '[email protected]'} ] This is how I parse the YAML file: APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml") Thank you!

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• Storing and comparing biometric information

  - by Chathuranga Chandrasekara

  I am not sure whether this is the best place to post this. But this is strongly related with programming so decided to put this here. In general we use biometrics in computer applications say for authentication. Lets get 2 examples finger prints and facial recognition. In those cases how we keep the information for comparison. As an example we can't keep a image and process it every time. So what are the methodologies we use to store/determine the similarity in such cases? Are there any special algorithms that designed for that purposes.? (Ex : To return a approximately equal value for a finger print of a certain person every time)

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• Using info.plist for storing target-specific values for a multi-target app

  - by andybee

  I have a multi-target iPhone app which currently includes a header file with constant definitions that are conditionally included at build time depending on which target is being built. However, I was wondering if it might be better to instead include this information in the info.plist for the build, as this generally holds target-specific meta, so logically seems more appropriate. Therefore, my questions are: Is it acceptable to include custom (non-Apple defined) keys in the info.plist file? Is this a suitable place to include meta for the app which changes between targets?

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• Storing UTF-8 XML using Word's CustomXMLPart or any other supported way

  - by wpfwannabe

  I am writing a Word add-in which is supposed to store some own XML data per document using Word object model and its CustomXMLPart. The problem I am now facing is the lack of IStream-like functionality for reading/writing XML to/from a CustomXMLPart. It only provides BSTR interface and I am puzzled how to handle UTF-8 XMLs with BSTRs. To my understanding an UTF-8 XML file should really never have to undergo this sort of Unicode conversion. I am not sure what to expect as a result here. Is there another way of using Word automation interfaces to store arbitrary custom information inside a DOCX file?

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• Storing script files outside web root

  - by memilanuk

  I've seen recommendations to store some or all php include files some place other than in the web document root directory (username/public_html in my case) for the specific reason of protecting php files with sensitive information (like database connection and login info) in the event that the web server hiccups and stops protecting php files and they become 'visible' to outsiders who know where to look. It seems somewhat paranoid to me, but I'm guessing people have gotten burned badly on this before so I'm willing to go along. The suggestion usually takes the form of having the include files in something like '../include_files/' so its not directly in the document root and not directly accessible to outsiders through the web server. My question is this: is there a significant difference in security between that way and just putting your 'include_files' directory under the document root and sticking an .htaccess file in there (with the appropriate entries)? Would putting an .htaccess file in '../include_files/' make any significant improvement there? TIA, Monte

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• Storing rich text documents

  - by David Veeneman

  This is a follow-up to another question I asked earlier today. I am creating a desktop app that stores rich text documents created in WPF (in a RichTextBox control). The app uses SQL Compact, and up until now, I had planned to store each document in a binary column in the database. I am rethinking that approach. Would it be better practice to store each rich text document in the file system, rather than saving it to the database? I figure I could put the documents in the same folder with the database, then store a relative path to each document in its database record, along with other information about the document (tags and so on). I'd like to know some pros and cons of that approach, along with ideas of what is generally considered best practice for this sort of thing. Thanks for your help.

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• jQuery - now: Creating an object and storing values in it to pass to an AJAX call

  - by Josh K

  I have an array: myarr = []; I'm filling it with some values: myarray['name'] = "Me!"; Now I want to transform that array into a set of Key = Value pairs. I though jQuery would do it automatically, but it doesn't seem to. $.ajax ({ type: "POST", dataType: "text", url: "myurl", data: myarr }); Is there a way to do this or something I'm doing wrong? I get no javascript errors, and no serverside errors other then no POST information at all. I need the request to be sent as a true POST request. I need to keep the php code simple because sometimes the login won't be an AJAX call. I'm now trying the following with an error unexepected token ':' myarr: { 'name':'me' } The question has now become: How do I initialize a new javascript object as "blank", how do I set up mappings, and how do I pass it in an AJAX call?

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• Storing information for drop-down menus

  - by Mark

  Suppose you're building an HTML form and you want to have 2 or more drop-down menus, where after picking an option from the first, the 2nd menu is populated, and so forth. For example, choosing a country would bring up a list of provinces for that country, which would in turn list the cities. How would you store that sort of information in a database? Would you have a table Countries(id, name), Provinces(id, country_id, name), Cities(id, province_id, name) or would you have just one big denormalized table Entries(country, province, city)? (Why?)

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• Storing information in the DOM?

  - by John

  Im making a small private message application in the form of a phone. Ten messages are shown at the time. And the list of messages are scrolled up/down by hiding them. Just how bad is it to use the DOM to store information in this way. My main goal for doing this is to reduce calls to the database. And instead of making a new call all the time, it only checks if any new messages has arrived and ads the new message(s). Whats the alternative, cookies anyone? Thank you for the time

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• CFStrings and storing them into models, related topics

  - by Jasconius

  I have a very frustrating issue that I believe involves CFStringRef and passing them along to custom model properties. The code is pretty messy right now as I am in a debug state, but I will try to describe the problem in words as best as I can. I have a custom model, User, which for irrelevant reasons, I am storing CF types derived from the Address Book API into. Examples include: Name, email as NSStrings. I am simply retrieving the CFStringRef value from the AddressBook API and casting as a string, whereupon I assign to the custom model instance and then CFRelease the string. These NSString properties are set as (nonatomic, retain). I then store this model into an NSArray, and I use this Array as a datasource for a UITableView When accessing the object in the cellForRowAtIndexPath, I get a memory access error. When I do a Debug, I see that the value for this datasource array appears at first glance to be corrupted. I've seen strange values assigned to it, including just plain strings, such as one that I fed to an NSLog function in earlier in the method. So, the thing that leads me to believe that this is Core Foundation related is that I am executing this exact same code, in the same class even, on non-Address Book data, in fact, just good old JSON parsed strings, which produce true Cocoa NSStrings, that I follow the same exact steps to create the datasource array. This code works fine. I have a feeling that my (retain) property declaration and/or my [stringVar release] in my custom model dealloc method may be causing memory problems (since it is my understanding that you shouldn't call a Cocoa retain or release on a CF object). Here is the code. I know some of this is super-roundabout but I was trying to make things as explicit as possible for the sake of debugging. NSMutableArray *friendUsers = [[NSMutableArray alloc] init]; int numberOfPeople = CFArrayGetCount(people); for (int i = 0; i < numberOfPeople; i++) { ABMutableMultiValueRef emails = ABRecordCopyValue(CFArrayGetValueAtIndex(people, i), kABPersonEmailProperty); if (ABMultiValueGetCount(emails) > 0) { User *addressContact = [[User alloc] init]; NSString *firstName = (NSString *)ABRecordCopyValue(CFArrayGetValueAtIndex(people, i), kABPersonFirstNameProperty); NSString *lastName = (NSString *)ABRecordCopyValue(CFArrayGetValueAtIndex(people, i), kABPersonLastNameProperty); NSLog(@"%@ and %@", firstName, lastName); NSString *fullName = [NSString stringWithFormat:@"%@ %@", firstName, lastName]; NSString *email = [NSString stringWithFormat:@"%@", (NSString *)ABMultiValueCopyValueAtIndex(emails, 0)]; NSLog(@"the email: %@", email); [addressContact setName:fullName]; [addressContact setEmail:email]; [friendUsers addObject:addressContact]; [firstName release]; [lastName release]; [email release]; [addressContact release]; } CFRelease(emails); } NSLog(@"friend count: %d", [friendUsers count]); abFriends = [NSArray arrayWithArray:friendUsers]; [friendUsers release]; All of that works, every logging statement returns as expected. But when I use abFriends as a datasource, poof. Dead. Is my approach all wrong? Any advice?

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• Obtaining information about executable code from exe/pdb

  - by Miro Kropacek

  Hello, I need to extract code (but not data!) from classic win32 exe/dll files. It's clear I can't do this only with extraction of code segment content (because code segment contains also the data -- jump tables for example) and that I need some help from compiler. *.map files are nice but they only contain addresses of functions, i.e. the safest thing I can do is to start at that address and to process until the first return / jump instruction (because part of the function could be mentioned data) *.pdb files are better but I'm not sure what tools to use to extract information like this -- I took a look at DbgHelp and DIA SDK, the latter one seems to be the right tool but it doesn't look very simple. So my question/questions: To your knowledge, it is possible to extract information about code/data position (address + length) only via DbgHelp? If the DIA SDK is the only way, any idea what should I call for getting information like that? (that COM stuff is pretty heavy) Is there any other way? Of course my concern is about Visual Studio, C/C++ source compilation in the first place. Thanks for any hint.

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• Need a design pattern for representing multiple information sources

  - by hsmit

  I'm building a Java application that retrieves information from differing information sources. I'm using a sensor, a set of RecordStores and a few online web services. In the basic application all these resources are loaded by default. Some of these sources are directly read in a separate thread (load database, read sensor etc.). From this basic application some functions are started that use these sources. The classes that contain these functions (usually combining multiple sources information) are currently paramterized with a set of resources like this: AppPart a1 = new AppPart(source1, source2, source3); I could also do it like this AppPart a1 = new AppPart(this); ..where I need to make my sources public in order to read them. I'm also thinking about a kind of stage/collection to publish all sources on, e.g: public SourceCollectionStage sStage = new SourceCollectionStage(); and later: sStage.getSensor(); .. for example. What do you guys think is the best or most often used way to do this? Btw: the user interface is often implemented by the specific funtion classes, not by the main class. Should I do this in another way?

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• Get information form WebPage.

  - by william-hu

  I want to set up an app which can get the information from a particular web page. Then i display the value which got from that page to the iPhone user. Detail:In the webpage on server ,there is the schedule for bus time. If the user input origin and terminus then show the user the time information(list on webpage) in a label. That's all. What i have finished is : Open the iphone app, input two value(origin and terminus) to UITextField. Send the URL to server. Get the page, and show in UIWebView. What my problem next is how should i get the information form that page into another two labels to give the user about the bus time. I have store data in my Array receiveData: self.receivedData = data; I am not clear the data i received is XML or what? And how should i pick-up the value i want. (should i save the value to property list and the read the value?) Thank you so much!

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• Storing an object to use in multiple classes

  - by Aaron Sanders

  I am wondering the best way to store an object in memory that is used in a lot of classes throughout an application. Let me set up my problem for you: We have multiple databases, 1 per customer. We also have a master table and each row is detailed information about the databases such as database name, server IP it's located and a few config settings. I have an application that loops through those multiple databases and runs some updates on them. The settings I mentioned above are updated each loop iteration into memory. The application then runs through series of processes that include multiple classes using this data. The data never changes during the processes, only during the loop iteration. The variables are related to a customer, so I have them stored in a customer class. I suppose I could make all of the members shared or should I use a singleton for the customer class? I've never actually used a singleton, only read they are good in this type of situation. Are there better solutions to this type of scenario? Also, I could have plans for this application to be multithreaded later. Sorry if this is confusing. If you have questions, let me know and I will answer them. Thanks for your help.

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• C# reference collection for storing reference types

  - by ivo s

  I like to implement a collection (something like List<T>) which would hold all my objects that I have created in the entire life span of my application as if its an array of pointers in C++. The idea is that when my process starts I can use a central factory to create all objects and then periodically validate/invalidate their state. Basically I want to make sure that my process only deals with valid instances and I don't re-fetch information I already fetched from the database. So all my objects will basically be in one place - my collection. A cool thing I can do with this is avoid database calls to get data from the database if I already got it (even if I updated it after retrieval its still up-to-date if of course some other process didn't update it but that a different concern). I don't want to be calling new Customer("James Thomas"); again if I initted James Thomas already sometime in the past. Currently I will end up with multiple copies of the same object across the appdomain - some out of sync other in sync and even though I deal with this using timestamp field on the MSSQL server I'd like to keep only one copy per customer in my appdomain (if possible process would be better). I can't use regular collections like List or ArrayList for example because I cannot pass parameters by their real local reference to the their existing Add() methods where I'm creating them using ref so that's not to good I think. So how can this be implemented/can it be implemented at all ? A 'linked list' type of class with all methods working with ref & out params is what I'm thinking now but it may get ugly pretty quickly. Is there another way to implement such collection like RefList<T>.Add(ref T obj)? So bottom line is: I don't want re-create an object if I've already created it before during the entire application life unless I decide to re-create it explicitly (maybe its out-of-date or something so I have to fetch it again from the db). Is there alternatives maybe ?

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• Linker, Libraries & Directories Information

  - by m00st

  I've finished both my C++ 1/2 classes and we did not cover anything on Linking to libraries or adding additional libraries to C++ code. I've been having a hay-day trying to figure this out; I've been unable to find basic information linking to objects. Initially I thought the problem was the IDE (Netbeans; and Code::Blocks). However I've been unable to get wxWidgets and GTKMM setup. Can someone point me in the right direction on the terminology and basic information about #including files and linking files in a Cpp application? Basically I want/need to know everything in regards to this process. The difference between .dll, .lib, .o, .lib.a, .dll.a. The difference between a .h and a "library" (.dll, .lib correct?) I understand I need to read the compiler documentation I am using; however all compilers (that I know of) use linker and headers; I need to learn this information. Please point me in the right direction! :] So far on my quest I've found out: Linker links libraries already compiled to your project. .a files are static libraries (.lib in windows) .dll in windows is a shared library (.so in *nix) Thanks

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• Facebook Photo Contest App Against FB's TOS ??

  - by Alex D

  What would be possible/best practice for a Photo Contest app? Saving photos to a database and refreshing the contents with an "infinite session"? Exporting photos to my site getting written consent from my user? I've gathered that it won't be possible to present users with a number of photos to vote on because the permissions for user's photos will often not allow just anyone (the public) to view them. I've looked at SnapIt! Photo Contest on Facebook and it appears they are successful with what I'm trying to do. Are they breaking the Facebook TOS? http://apps.facebook.com/snapitphoto I'm new to Facebook development and want to be sure it is possible to do what I want before I become very invested. Any advice would be much appreciated! Thanks

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• (Cpp) Linker, Libraries & Directories Information

  - by m00st

  I've finished both my C++ 1/2 classes and we did not cover anything on Linking to libraries or adding additional libraries to C++ code. I've been having a hay-day trying to figure this out; I've been unable to find basic information linking to objects. Initially I thought the problem was the IDE (Netbeans; and Code::Blocks). However I've been unable to get wxWidgets and GTKMM setup. Can someone point me in the right direction on the terminology and basic information about #including files and linking files in a Cpp application? Basically I want/need to know everything in regards to this process. The difference between .dll, .lib, .o, .lib.a, .dll.a. The difference between a .h and a "library" (.dll, .lib correct?) I understand I need to read the compiler documentation I am using; however all compilers (that I know of) use linker and headers; I need to learn this information. Please point me in the right direction! :] Thanks

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• Axis2 SOAP Envelope Header Information

  - by BigZig

  I'm consuming a web service that places an authentication token in the SOAP envelope header. It appears (through looking at the samples that came with the WS WSDL) that if the stub is generated in .NET, this header information is exposed through a member variable in the stub class. However, when I generate my Axis2 java stub using WSDL2Java it doesn't appear to be exposed anywhere. What is the correct way to extract this information from the SOAP envelope header? WSDL: http://www.vbar.com/zangelo/SecurityService.wsdl C# Sample: using System; using SignInSample.Security; // web service using SignInSample.Document; // web service namespace SignInSample { class SignInSampleClass { [STAThread] static void Main(string[] args) { // login to the Vault and set up the document service SecurityService secSvc = new SecurityService(); secSvc.Url = "http://localhost/AutodeskDM/Services/SecurityService.asmx"; secSvc.SecurityHeaderValue = new SignInSample.Security.SecurityHeader(); secSvc.SignIn("Administrator", "", "Vault"); DocumentServiceWse docSvc = new DocumentServiceWse(); docSvc.Url = "http://localhost/AutodeskDM/Services/DocumentService.asmx"; docSvc.SecurityHeaderValue = new SignInSample.Document.SecurityHeader(); docSvc.SecurityHeaderValue.Ticket = secSvc.SecurityHeaderValue.Ticket; docSvc.SecurityHeaderValue.UserId = secSvc.SecurityHeaderValue.UserId; } } } The sample illustrates what I'd like to do. Notice how the secSvc instance has a SecurityHeaderValue member variable that is populated after a successful secSvc.SignIn() invocation. Here's some relevant API documentation regarding the SignIn method: Although there is no return value, a successful sign in will populate the SecurityHeaderValue of the security service. The SecurityHeaderValue information is then used for other web service calls.

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• Javascript storing properties and functions in variables

  - by richard

  Hello, I'm having trouble with my programming style and I hope to get some feedback here. I recently bought Javascript: The Good Parts and while I find this a big help, I'm still having trouble designing this application. Especially when it comes to writing function and methods. Example: I have a function that let's the user switches games in my app. This function updates game-specific information in the current view. var games = { active: Titanium.App.Properties.getString('active_game'), gameswitcher_positions: { 'Game 1': 0, 'Game 2': 1, 'Game 3': 2, 'Game 4': 3, 'Game 5': 4 }, change: function(game) { if (active_game !== game) { gameswitcher.children[this.gameswitcher_positions[this.active]].backgroundImage = gameswitcher.children[this.gameswitcher_positions[this.active]].backgroundImage.replace('_selected', ''); gameswitcher.children[this.gameswitcher_positions[game]].backgroundImage = gameswitcher.children[this.gameswitcher_positions[game]].backgroundImage.replace('.png', '_selected.png'); events.update(game); this.active = game; } }, init: function() { gameswitcher.children[this.gameswitcher_positions[this.active]].backgroundImage = gameswitcher.children[this.gameswitcher_positions[this.active]].backgroundImage.replace('.png', '_selected.png'); events.update(this.active); } }; gameswitcher is a container view which contains buttons to switch games. I am not satisfied with this approach but I cannot think of a better one. Should I place the gameswitcher_positions outside of the variable in a seperate variable instead of as a property? And what about the active game? Please give me feedback, what am I doing wrong?

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• Get information from WebPage.

  - by william-hu

  I want to set up an app which can get the information from a particular web page. Then i display the value which got from that page to the iPhone user. Detail:In the webpage on server ,there is the schedule for bus time. If the user input origin and terminus then show the user the time information(list on webpage) in a label. That's all. What i have finished is : Open the iphone app, input two value(origin and terminus) to UITextField. Send the URL to server. Get the page, and show in UIWebView. What my problem next is how should i get the information form that page into another two labels to give the user about the bus time. I have store data in my Array receiveData: self.receivedData = data; I am not clear the data i received is XML or what? And how should i pick-up the value i want. (should i save the value to property list and the read the value?) Thank you so much!

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• Where to store: User connection information?

  - by TomTom

  ;) I am writing a .NET application wher ethe user connects to a given server. ALl information within the application is stored in the server. But I want / need to store the following information for the user: The server he connected to last The username he used to connect last (and no, no password, never ever). Any idea where to store this best? the application config file is not sensible (user != admin, application.config is write protected for him). So, my options are: In the registry. 2 keys under my own subkey. In a sort of ini file, stored in the user's data directory (AppData). This would possibly also allow later expansion (into like saving more information, some of which may not fit into the registry). Anyone a tip? Other alternatives? I tend so far to go for the AppData directory with my own subfolder - simply because it is a nice preparation for later to keep like a local copy of configuration etc.

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• Concept: Information Into Memory Location.

  - by Richeve S. Bebedor

  I am having troubles conceptualizing an algorithm to be used to transform any information or data into a specific appropriate and reasonable memory location in any data structure that I will be devising. To give you an idea, I have a JPanel object instance and I created another Container type object instance of any subtype (note this is in Java because I love this language), then I collected those instances into a data structure not specifically just for those instances but also applicable to any type of object. Now my procedure for fetching those data again is to extract the object specific features similar in category to all object in that data structure and transform it into a integer data memory location (specifically as much as possible) or any type of data that will pertain to this transformation. And I can already access that memory location without further sorting or applications of O(n) time complex algorithms (which I think preferable but I wanted to do my own way XD). The data structure is of any type either binary tree, linked list, arrays or sets (and the like XD). What is important is I don't need to have successive comparing and analysis of data just to locate information in big structures. To give you a technical idea, I have to an array DS that contains JLabel object instance with a specific name "HelloWorld". But array DS contains other types of object (in multitude). Now this JLabel object has a location in the array at index [124324] (which is if you do any type of searching algorithm just to arrive at that location is conceivably slow because added to it the data structure used was an array *note please disregard the efficiency of the data structure to be used I just want to explain to you my concept XD). Now I want to equate "HelloWorld" to 124324 by using a conceptually made function applicable to all data types. So that I can do a direct search by doing this DS[extractLocation("HelloWorld")] just to get that JLabel instance. I know this may sound crazy but I want to test my concept of non-sorting feature extracting search algorithm for any data structure wherein my main problem is how to transform information to be stored into memory location of where it was stored.

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• NullPointerException, Collections not storing data?

  - by Elliott

  Hi there, I posted this question earlier but not with the code in its entirety. The coe below also calls to other classes Background and Hydro which I have included at the bottom. I have a Nullpointerexception at the line indicate by asterisks. Which would suggest to me that the Collections are not storing data properly. Although when I check their size they seem correct. Thanks in advance. PS: If anyone would like to give me advice on how best to format my code to make it readable, it would be appreciated. Elliott package exam0607; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.URL; import java.util.Collection; import java.util.Scanner; import java.util.Vector; import exam0607.Hydro; import exam0607.Background;// this may not be necessary???? FIND OUT public class HydroAnalysis { public static void main(String[] args) { Collection hydroList = null; Collection backList = null; try{hydroList = readHydro("http://www.hep.ucl.ac.uk/undergrad/3459/exam_data/2006-07/final/hd_data.dat");} catch (IOException e){ e.getMessage();} try{backList = readBackground("http://www.hep.ucl.ac.uk/undergrad/3459/exam_data/2006-07/final/hd_bgd.dat"); //System.out.println(backList.size()); } catch (IOException e){ e.getMessage();} for(int i =0; i <=14; i++ ){ String nameroot = "HJK"; String middle = Integer.toString(i); String hydroName = nameroot + middle + "X"; System.out.println(hydroName); ALGO_1(hydroName, backList, hydroList); } } public static Collection readHydro(String url) throws IOException { URL u = new URL(url); InputStream is = u.openStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader b = new BufferedReader(isr); String line =""; Collection data = new Vector(); while((line = b.readLine())!= null){ Scanner s = new Scanner(line); String name = s.next(); System.out.println(name); double starttime = Double.parseDouble(s.next()); System.out.println(+starttime); double increment = Double.parseDouble(s.next()); System.out.println(+increment); double p = 0; double nterms = 0; while(s.hasNextDouble()){ p = Double.parseDouble(s.next()); System.out.println(+p); nterms++; System.out.println(+nterms); } Hydro SAMP = new Hydro(name, starttime, increment, p); data.add(SAMP); } return data; } public static Collection readBackground(String url) throws IOException { URL u = new URL(url); InputStream is = u.openStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader b = new BufferedReader(isr); String line =""; Vector data = new Vector(); while((line = b.readLine())!= null){ Scanner s = new Scanner(line); String name = s.next(); //System.out.println(name); double starttime = Double.parseDouble(s.next()); //System.out.println(starttime); double increment = Double.parseDouble(s.next()); //System.out.println(increment); double sum = 0; double p = 0; double nterms = 0; while((s.hasNextDouble())){ p = Double.parseDouble(s.next()); //System.out.println(p); nterms++; sum += p; } double pbmean = sum/nterms; Background SAMP = new Background(name, starttime, increment, pbmean); //System.out.println(SAMP); data.add(SAMP); } return data; } public static void ALGO_1(String hydroName, Collection backgs, Collection hydros){ //double aMin = Double.POSITIVE_INFINITY; //double sum = 0; double intensity = 0; double numberPN_SIG = 0; double POSITIVE_PN_SIG =0; //int numberOfRays = 0; for(Hydro hd: hydros){ System.out.println(hd.H_NAME); for(Background back : backgs){ System.out.println(back.H_NAME); if(back.H_NAME.equals(hydroName)){//ERROR HERE double PN_SIG = Math.max(0.0, hd.PN - back.PBMEAN); numberPN_SIG ++; if(PN_SIG 0){ intensity += PN_SIG; POSITIVE_PN_SIG ++; } } } double positive_fraction = POSITIVE_PN_SIG/numberPN_SIG; if(positive_fraction < 0.5){ System.out.println( hydroName + "is faulty" ); } else{System.out.println(hydroName + "is not faulty");} System.out.println(hydroName + "has instensity" + intensity); } } } THE BACKGROUND CLASS package exam0607; public class Background { String H_NAME; double T_START; double DT; double PBMEAN; public Background(String name, double starttime, double increment, double pbmean) { name = H_NAME; starttime = T_START; increment = DT; pbmean = PBMEAN; }} AND THE HYDRO CLASS public class Hydro { String H_NAME; double T_START; double DT; double PN; public double n; public Hydro(String name, double starttime, double increment, double p) { name = H_NAME; starttime = T_START; increment = DT; p = PN; } }

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