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• How do I uncompress data in PHP which was originally compressed using zlib?

  - by Gaurav Arora

  Hello Everyone, I am quite new to Iphone development , so please bear me if I ask some some common questions. In my application I have to transfer data from my Iphone app to a PHP server and for this I have to compress the NSdata in my Iphone app and then pass it on to the PHP server and then Uncompress it in PHP and process the data sent by Iphone in PHP. For compressing the data in Iphone I have used zlib library.Now on PHP side I want to uncompress this data , but I am unable to do so. Can anyone help me in uncompressing this data in PHP. Thanks in Advance. Gaurav Arora

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• Validate cyclic organization unit

  - by abmv

  I have a object Organization Unit and I have a self reference to it in the same object public class OrganizationUnit: IOrganizationUnit { private string fName; public string Name { get { return fName; } set { SetPropertyValue("Name", ref fName, (string) value); } } private OrganizationUnit fManagedBy; public IOrganizationUnit ManagedBy { get { return fManagedBy; } set { SetPropertyValue("ManagedBy", ref fManagedBy, (OrganizationUnit)value); } } } I need a method that will throw an exception if it finds a child organization unit in the third level is referencing a parent Organization unit, or to say cyclic parent organization. A is main B managed by A C

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• C# can I lock a method parameter?

  - by 5YrsLaterDBA

  We have a class variable ArrayList binaryScanData in a class. In all methods having access to it, we put lock(binaryScanData) on it because it is shared. Now we want to move one of those methods out to another util class to make it a static method. We will pass that binaryScanData into the method like this: public static void convertAndSaveRawData(ref MemoryStream output, ref ArrayList binaryScanData) Our questions are followed: how can we sychoronize that binaryScanData? can we do the same as it is originally? ref is necessary? It will only be read in that convertAndSaveRawData method.

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• Django-pyodbc mssql/freetds server connection problems on linux

  - by wizard

  Error: ('IM002', '[IM002] [unixODBC][Driver Manager]Data source name not found, and no default driver specified (0) (SQLDriverConnectW)') I'm migrating from developing on a windows development machine to linux machine in production and I'm having issues with the freetds driver. As far as I can tell that error message means it can't find the driver. I can connect via the cli via sqsh and tsql. I've setup my settings.py as such. 'bc2db': { 'ENGINE': 'sql_server.pyodbc', 'NAME': 'DataTEST', 'USER': 'appuser', 'PASSWORD': 'PASS', 'HOST': 'bc2.domain.com', 'options': { 'driver': 'FreeTDS', } }, Does anyone have any mssql experience with djano? do I have to use a dns? (how would I format that?) Thanks

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• IIS, Impersonation and COM Interop Premission Denied

  - by user315690

  Hello we are in the throws of integrating a Document Management System with Dynamic CRM 4, have done similar things previously but in this instance we are having to reference a COM dll. We've configured the asp.net page (we are bringing the info in via a i-Frame in CRM), setting Impersonation = True in the Webconfig and ensured that Windows authentication is the only method available within IIS. All works as we would expect when logged into the server itself and the page happily does off finds all the relevant documents for the CRM account and presents them to a user in a nice Infragistics CRM styled grid. However trying this from a client workstation we get the following: System.Runtime.InteropServices.COMException (0xC0042335): Permission denied. Impersonation appears to be passing over the correct details but nothing we've tried thus far has been able to make this work outside of logging into the server. Any thoughts as to what we are missing?

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• Client side html markdown conversion

  - by DNN

  Hello, I've been trying to create a client side editor which allows the end user to create content in html or markdown. The user has two tabs for switching between the two. I managed to find some javascript that converts markdown to html, so if a user has been writing markdown and switches to the html tab, the html equivilant is shown. I haven't been able to find a javascript that converts html to markdown, only a python script. The python script is obviously server side. The tabs are just hyperlinks with script in there. Is there any way I can convert the markdown html when the user clicks the tab? The system has been created in python/django for reference Thanks

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• Silverlight chart with behavior/bitmap image tooltip passthrough

  - by isitdanny

  I have a chart showing bound data as tooltips and it works well. I have added a magnifier(set of behaviors class) that captures a bitmap image at two times scale that shows in a circular area over the hover spot. The tooltip does not display. I have tried a custom tooltip service but cannot bind it to the behaviors. I added the tooltip to the behavior class and got a tooltip and data but could not move it with the magnifier. It just sits in the middle and laughs. I added a usercontrol "tooltip"-same issues, could not hook it to the magnifier behavior. I know I can probably build a popup, but really wanted to just pass through the bitmap layer with the tootip. Any ideas would be greatly appreciated. Danny

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• Using string constants in implicit conversion

  - by kornelijepetak

  Consider the following code: public class TextType { public TextType(String text) { underlyingString = text; } public static implicit operator String(TextType text) { return text.underlyingString; } private String underlyingString; } TextType text = new TextType("Something"); String str = text; // This is OK. But I want to be able do the following, if possible. TextType textFromStringConstant = "SomeOtherText"; I can't extend the String class with the TextType implicit operator overload, but is there any way to assign a literal string to another class (which is handled by a method or something)? String is a reference type so when they developed C# they obviously had to use some way to get a string literal to the class. I just hope it's not hardcoded into the language.

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• How to determine the modulus of a Float in Ada 95

  - by mat_geek

  I need to determine the amount left of a time cycle. To do that in C I would use fmod. But in ada I can find no reference to a similar function. It needs to be accurate and it needs to return a float for precision. So how do I determine the modulus of a Float in Ada 95? elapsed := time_taken mod 10.348; left := 10.348 - elapsed; delay Duration(left);

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• unittest tests reuse for family of classes

  - by zaharpopov

  I have problem organizing my unittest based class test for family of tests. For example assume I implement a "dictionary" interface, and have 5 different implementations want to testing. I do write one test class that tests a dictionary interface. But how can I nicely reuse it to test my all classes? So far I do ugly: DictType = hashtable.HashDict In top of file and then use DictType in test class. To test another class I manually change the DictType to something else. How can do this otherwise? Can't pass arguments to unittest classes so is there a nicer way?

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• access denied trying extracting an archive on the windows user temp folder

  - by Hanan

  I'm trying to run a command-line process (which is extraction of a .7z archive) on a file that lies in a temporary folder on the windows user temp directory (C:\Documents and Settings\User\Local Settings\Temp), using Process in my c# app. I think the process return error that happens because of "access denied" because I can see a win32Exception with error code 5 when I dig in the prcoess object of .NET. doing the same on some other location worked fine before, so I guess maybe it's something I'm not supposed to do ? (running a process to use a file on the the %TEMP%) perhaps I need to pass security somehow?

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• How to remove accent characters from an InputStream

  - by Samuh

  I am trying to parse a Rss2.0 feed on Android using a Pull parser. XmlPullParser parser = Xml.newPullParser(); parser.setInput(url.open(), null); The prolog of the feed XML says the encoding is "utf-8". When I open the remote stream and pass this to my Pull Parser, I get invalid token, document not well formed exceptions. When I save the XML file and open it in the browser(FireFox) the browser reports presence of Unicode 0x12 character(grave accent?) in the file and fails to render the XML. What is the best way to handle such cases assuming that I do not have any control over the XML being returned? Thanks.

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• Packaging a Bundle with a static library

  - by 4thSpace

  I have a static library that includes some xibs. These will basically be the same across projects. I'd like to include the xibs as part of the library. I can include their veiwcontrollers, reference these controllers in the calling project but then there isn't a xib to load. When I right click the xib in the library project, it can't be part of the target. I thought about creating a CFPluginBundle but that creates a new project. I'd loose all of my IBOutlet and IBAction references. What is the best way to reuse xibs that also have outlets and actions to specific controllers?

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• ASP.NET MVC - Custom validation message for value types

  - by Giovanni Galbo

  When I use UpdateModel or TryUpdateModel, the MVC framework is smart enough to know if you are trying to pass in a null into a value type (e.g. the user forgets to fill out the required Birth Day field) . Unfortunately, I don't know how to override the default message, "A value is required." in the summary into something more meaningful ("Please enter in your Birth Day"). There has to be a way of doing this (without writing too much work-around code), but I can't find it. Any help? EDIT Also, I guess this would also be an issue for invalid conversions, e.g. BirthDay = "Hello".

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• ASP.NET MVC Binding issue

  - by user295541

  Hi, I have an object with a property called "name". This object has a sub object that has a property called "name" as well. Transaction.name Transaction.TransactionItem TransactionItem.name I bind Transaction object to a partial control as usual: Html.TextBox("name", Model.name)% Model is a Transaction object. And I bind TransactionItems: < if (Model.mtTransactionItem != null) { foreach (var item in Model.mtTransactionItem) { % <%= Ajax.ActionLink(item.name, "ShowItem", new { id = item.id }, new AjaxOptions { UpdateTargetId = "dialog-form" })% And when I update the one of the transaction items through an ajax call I pass the entire transaction object to the partial view. When I debug I check the Model.name property, and it has a proper value. But on the page shows the name of TransactionItem value instead of the name of Transaction value. What do I do wrong? I have checked this problem in MVC 1.0 and MVC 2.0 framework.

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• JSP tag lifecycle

  - by mkoryak

  i just introduced a bug into my code because i seem to have misunderstood the jsp tag lifecycle. The tag worked like this before the bug: i pass the tag some collection as an attribute, and it displays it as a table. The collection was passed into the JSP from the controller. after the bug: a removed the attribute which set the collection. instead, in the tag i check if the collection is null, and then grab it by name from the request (using a naming convention). the thing that i didnt expect: after the collection was initially set in the tag, it would never become null on subsequent executions! it was still defined as an non-requred attribute in the TLD. I expected the tag to not hold on to previous values between executions.

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• Passing parameters on the stack

  - by oxinabox.ucc.asn.au

  When you pass parameters to a function on the cpu stack, You put the parameters on then JSR puts the return address on the stack. So that means in your function you must take the top item of the stack (the return address) before you can take the others off) eg is the following the correct way to go about it: ... |Let’s do some addition with a function, MOVE.L #4, -(SP) MOVE.L #5, -(SP) JSR add |the result of the addition (4+5) is in D0 (9) ... add: MOVE.L (SP)+, A1 |store the return address |in a register MOVE.L (SP)+, D0 |get 1st parameter, put in D0 MOVE.L (SP)+, D2 |get 2nd parameter, put in D2 ADD.L D2, D0 |add them, |storing the result in D0 MOVE.L A1, -(SP) |put the address back on the |Stack RTS |return

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• Using an array as parameter to a class.

  - by Gabriel A. Zorrilla

  I have created an array Man: public main blah blah{ man = man[10]; } Man has fields such as Man.name; Man.age; ... In Man class, there is a OnClick method that opens a new window showing its name and age. public Man(){ Onclick(){ InfoWindow showinfo = new InfoWindow(this.getid()) // If this is Man[2] the id would be 2. } And in InfoWindow class: public class InfoWindow extends JFrame{ public InfoWindow(Man selectedMan){ setSize(300, 200); JLabel info = new JLabel(selectedMan.getname()); add(info); info.setVisible(true); } } Basically, that's wanna acomplish (show in pseudocode), pass a Man[i] into a class that when a window is created, shows the info related to that man. This is how i'm actualy trying to implement it but it's not working, i'm pretty sure there is a misconception from me in some part. Any help?

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• Memory management, and async operations: when does an object become nil?

  - by Kenny Winker

  I have a view that will be displaying downloaded images and text. I'd like to handle all the downloading asynchronously using ASIHTTPRequest, but I'm not sure how to go about notifying the view when downloads are finished... If I pass my view controller as the delegate of the ASIHTTPRequest, and then my view is destroyed (user navigates away) will it fail gracefully when it tries to message my view controller because the delegate is now nil? i.e. if i do this: UIViewController *myvc = [[UIViewController alloc] init]; request.delegate = myvc; [myvc release]; Do myvc, and request.delegate now == a pointer to nil? This is the problem with being self-taught... I'm kinda fuzzy on some basic concepts. Other ideas of how to handle this are welcome.

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• Visual C# GUI Designer basic tutorial

  - by cusack

  Hi, can you recommend a Visual C# Form Designer tutorial that is targeted at experienced programmers who have at least a basic knowledge of C# but are new to the VS C# Form Designer. At least it shouldn't be targeted at programming newbs, like Introduction to Visual C# 2008 Express Edition (it explains how a comment looks like in C#). So far I've found C# Programming Tutorial - Programming Winforms in C# on stackoverflow. Wishlist: ;-) I'm more interested in focus on the designer itself rather than an explanation of single gui-elements. In other words explaining separation between generated-code, what to not edit manually (visual-c#-designer-responsibility) and on the other hand the parts for which the programmer himself is responsible. So a little more abstract best-practice point of view pointing out some caveats would be great as well. I would prefer text over video as well, but that's minor. /Wishlist Perhaps even a Microsoft reference specific to the Visual c# forms designer (which I seem to have been unable to find) would be helpful.

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• linux: disable using loopback and send data via wire between 2 eth cards of one comp

  - by osgx

  Hello I have a comp with 2 eth cards, connected with patch-cord (direct eth. cable from 1st to 2nd). The linux is installed, I want to send data from 1st network card to 2nd. And I want to force the packet to pass via cable. I can set up any ip on cards. With ping I get counters on cards constant. Is it possible with tcp/ip sockets? PS. I need to write a program. which will send packets via eth, so stackoverflow-related question. There can be some OS-dependent way, they will help me too

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• Consuming secured WCF service through basicHTTPbinding

  - by Jason M

  I am consuming an secured service hosted over basicHttpBinding I have to pass credentials to the service for authenticatioon Here’s the config setting for the client <security mode="TransportWithMessageCredential"> <transport clientCredentialType="None" proxyCredentialType="None" realm="" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> While calling the service, I am getting following exception message An unsecured or incorrectly secured fault was received from the other party. See the inner FaultException for the fault code and detail. Message = "An invalid security token was provided (Bad UsernameToken Values)” I not sure how to get it working I am curious if somebody can help me out or provide me any url where I could find the solution

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• Can you manually add to an iPhone/iPad Navigation Bar a back button item?

  - by MikeN

  I have a reference to a "UIBarButtonItem", is there a way I can add a custom "Back Navigation Button" to that item when it is not part of a Navigation based view? I can add a left button: UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Custom Back" style:UIBarButtonItemStylePlain target:self action:@selector(backAction:)]; menuItem.backBarButtonItem = backButton; //This doesn't seem to work. menuItem.popOverNavigationItem.leftBarButtonItem = backButton; //This shows a normal button So how could I make the leftmost button look like a back navigation button?

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• What's the best way to resolve a filepath?

  - by BillyONeal

  Hello everyone :) I've got a series of filepaths that look something like this: C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted C:\Windows\System32\svchost C:\Program Files (x86)\Common Files\Steam\SteamService.exe /RunAsService "C:\Program Files (x86)\Common Files\Steam\SteamService.exe" /RunAsService and I need to find these paths' actual locations. So, respectively, the above would be: C:\Windows\System32\svchost.exe C:\Windows\System32\svchost.exe C:\Program Files (x86)\Common Files\Steam\SteamService.exe C:\Program Files (x86)\Common Files\Steam\SteamService.exe What's the best way to go about doing this? Does windows have an API function to accomplish it? I essentially am trying to figure out what executable CreateProcess will call if I pass it that path. Thanks! Billy3

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• Viewing large text file in a browser

  - by MeLight

  Hi, I need to write a text file viewer (not the directory tree, but the actual file contents) for use in a browser. It will be used to view large files. I want to give the user the ability to actually ummm, browse the file, ie prev page & next page buttons, while each page will show only a portion of the file. Two question: Is there anyway to pass the file descriptor through POST (or something) so that on each page I can keep reading from an already open file, and not starting all over again (again - huge files) Is there a way to read the file backwards? Will be very useful for browsing back in a file. Any other implementation ideas are very welcome. Thanks

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