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• Sending binary data with Indy through TCP\IP, how?

  - by Wodzu

  Hello. How to send a binary data with Indy components? Which of them is most suitable for this task? I've tried to use TIdTcpClient but it allows only to send strings. I've found one reponce for that problem here but I don't get it. It says about method Write(TIdBytes), but the answer is not clear for me. Does he meant Write to some instance of TIdBytes, and how to connect that instance with TIdTcpClient? Thanks for any help.

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• ASP.NEt MVC 2 Client validation function in Ajax form

  - by user295541

  Hello, My problem is the following: I'm using client validation function of the MVC 2.0 framework. Everything is nice, when I use the validation in a simple form. But when I use an Ajax form, and I update the fields of the ajax form. After the client validation dosen't work. Exactly: the ajax postback is not fired, but the validation message is not shown. I think about, I have to refresh the validation after the ajax call but I dont know how I should do it. Anybody can help me?

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• Silverlight TabItem template not working correctly

  - by Savvas Sopiadis

  Hello everybody! In a SL4 application i need to restyle my TabItems (actually add a button in the header). So i took the TabItem's control template from here and added the functionality i wanted. This seems to work fine, (i could dynamically add tabitems) with one exception: i think this posted control template is behaving somehow "arbitrary": every time the mouse hoovers over a non selected TabItem header, this gets selected WHITHOUT clicking!! (afaik this is not the default behavior: the user user has to click a header to make this tabitem the selected one). I tried to find why it is behaving like this, with no luck! Is there someone who can enlighten my darkness??? Thanks in advance!

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• Put DrawingGroup on a Canvas?

  - by stefan.at.wpf

  Hello, I have a DrawingGroup and I want to put it on a Canvas, but because DrawingGroup is no UIElement, this is not possible. Whats the best way to do this? And from which class could I derive, so that I could do something like canvas1.Children.Add(new myDrawingGroup()); (Meaning I want to add my DrawingGroup as one element on the canvas, instead of several single Drawings / Geometries. I also need hit testing and databinding support.) Thank you very much for any hint!

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• Optional query string parameters in URITemplate in WCF?

  - by Shafique

  I'm developing some RESTful services in WCF 4.0. I've got a method as below: [OperationContract] [WebGet(UriTemplate = "Test?format=XML&records={records}", ResponseFormat=WebMessageFormat.Xml)] public string TestXml(string records) { return "Hello XML"; } So if i navigate my browser to http://localhost:8000/Service/Test?format=XML&records=10, then everything works as exepcted. HOWEVER, i want to be able to navigate to http://localhost:8000/Service/Test?format=XML and leave off the "&records=10" portion of the URL. But now, I get a service error since the URI doesn't match the expected URI template. So how do I implement defaults for some of my query string parameters? I want to default the "records" to 10 for instance if that part is left off the query string.

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• Facebook Connect - logout issue

  - by Gublooo

  Hello I think I'm missing a very silly detail but the logout funtion of facebook connect is not working for me. I followed the steps posted in this answer by Typeoneerror but I cant get it to work. This is my logout javascript function function logout() { FB.init("API_KEY", "/xd_receiver.htm"); FB.Connect.logoutAndRedirect("/logout/url"); } When I click on it - nothing happens - In the browser status bar - For a second I see a message which says waiting for facebook - but I continue to stay on the same page. It does not redirect me nor does it log me out of facebook either. Just to see if the function is being called - I removed FB.init call from the function and then I get the error Error Message: 'FB.Connect' is null or not an object Any suggestions on how to debug this. Thanks a lot

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• Strange padding/margin when using UIWebView

  - by Nicsoft

  Hello, I am creating an app that is having a UIWebView which contains an advert. The size of the view is the same as the advert (image) itself. Still, there is a white margin/padding of some kind above and to the left of the image, inside the UIWebView. Check out the linked image: Also, I did link to the actual advert itself, you can check out the image loaded and view the source code there: Link to advert Any idea how I should remove the white padding? Thanks in advance!

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• How to make my iPhone app compatible with iOS 4?

  - by Davide

  Hello, My iphoneos 3.1 based application is not working on iOS 4 GM: the camera is not showing in full screen, it doesn't correctly detects compass information, the uiwebviews doesn't respond to touches (they don't scroll), and so on. It's completely broken! Now my question is: how can I develop an update using the latest xcode with support for ios 4? The latest iOS 4 xcode (3.2.3) doesn't provide any way to develop for iPhoneOS 3.x ("base sdk missing"). By the other side, xcode 3.2.2 would not allow me to debug it on a iOS 4 device, so I can't test it.

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• Python decoding issue with hashlib.digest() method

  - by Sorw

  Hello StackOverflow community, Using Google App Engine, I wrote a keyToSha256() method within a model class (extending db.Model) : class Car(db.Model): def keyToSha256(self): keyhash = hashlib.sha256(str(self.key())).digest() return keyhash When displaying the output (ultimately within a Django template), I get garbled text, for example : ?????_??!`?I?!?;?QeqN??Al?'2 I was expecting something more in line with this : 9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08 Am I missing something important ? Despite reading several guides on ASCII, Unicode, utf-8 and the like, I think I'm still far from mastering the secrets of string encoding/decoding. After browsing StackOverflow and searching for insights via Google, I figured out I should ask the question here. Any idea ? Thanks !

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• Building an XML editor in java and RichFaces

  - by Mark Lewis

  Hello I'm building an XML editor using the above technologies. In essence, I want to read in a whole XML file to a java object, and refer using this object to each element in the XML node tree (grouped into entries) to display the content locked, have separate padlocks for the user to click to 'unlock' an entry allow overwriting of the data, and to submit this entry. 'Add entry', 'Duplicate entry', 'Delete entry' are also functions I'd like to add. I already use dom4j and XPath to access areas of the XML file so some of the work in theory is already done. Given the above, I was going to use these two together with inplaceInputs to allow the user to edit the XML and JSF validators to check the data coming in. Is this the best way to approach this problem, or is there a more straightforward route than XPathing a whole record? I started looking at jaxb but I'm new at java and jsf but I've got the feeling I won't be by the end.. Thanks

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• LinQ to objects GroupBy() by object and Sum() by amount

  - by Daniil Harik

  Hello, I have pretty simple case which I started solving using foreach(), but then I thought I could do It using Linq Basically I have IList that contains PaymentTransaction objects and there are 2 properties Dealer and Amount I want to GroupBy() by Dealer and Sum() bv amount. I tried to accomplish this using following code, but unfortunately it does not work var test = paymentTransactionDao.GetAll().GroupBy(x => x.Dealer).Sum(x => x.Amount); Want exactly I'm doing wrong here? I'm sorry if this question is too simple. Thank You

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• How is GroupOn website programmed?

  - by Maxi Garcia

  Hello world! This is my first time on Stackoverflow.com and it's great to be here! I need some expert programmer out there to tell me how the GroupOn's platform operates, from the programming point of view. Which are the most complex features it has and what technology do they use? If I were about to start learning programming languages, what should I learn to create a site like GroupOn.com? Is there any website where I can learn the basic principles for free? I appreciate your advices. Thanks in advance!

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• creating own bundle - in xCode - for iPhone application

  - by sagar

  Hello ! every one. I am having some difficulty regarding creating a bundle for the application & placing files within that bundle. For Example : FaceBook has developed a bundle for iPhone applications. Same way I also want to create a bundle which can be reused for many applications. My questions are as follows. what steps should I follow to create a bundle for any kind of application ? what should be taken care while creating a bundle? Thanks in advance for sharing your knowledge. Sagar kothari.

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• Rewriting UNIX cal(1)

  - by dharmatech

  Hello, Today I was testing out SRFI 19 and wrote a simple version of the UNIX cal(1) command. Here's a version in R6RS Scheme which runs in Ikarus and Ypsilon. A few example runs. Schemers: How would you write it? Use your favorite implementation. Ruby and Python: I'm guessing that y'all have elegant date and time libraries. I'm sure you can put the Schemers to shame. ;-) Let's see what ya got. I'd also like to see Haskell and golfed versions. Is there a Stack Overflow tag for re-implementations of UNIX commands? :-) Ed

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• Sound Effects/Manipulation?

  - by Adam

  Hello, I am creating an android app that basically records an applies an "Effect" on the audio track then plays it back. I got my app to record an play back but I am stuck an not sure where do go from here. I have been Googling for days now trying to find a open source audio library or some way to change the audio after I record it. I currently have it setup to play back using SoundPool an I't lets me speed up an slow down the audio. I would like to do things like change pitch an add echo etc. I will appreciate any responses because I am totally stumped right now. Thanks Adam

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• Facebook Source path issue in iPhone

  - by Arun Thakkar

  Hello everyone!! Hope You all are fie and also in one of your best of moods!! I need your help to solve an issue with Facebook. I have integrate Facebook Connect with my iPhone app. So as per step i have to write path of src folder into 'Header path info' Field in Project Build. I have given the absolute path to 'Header path info' Field. and its run fine without any Error.. But, Now When i Move the project folder to another destination, its but obvious, that path of src folder will change… So Now after moving file, when i run an application, It gives path error. So is there any way to solve this path issue? this comes when i run an app in simulator, and i guess It also won't run in iPhone because of problem of path of src folder. Kindly accept my Apologize if i have written anything wrong.. Looking Forwards, Thanks, Arun Thakkar

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• [jQuery] [PHP] Image manipulation

  - by robertdd

  hello, I want to do some kind of image editor, after I upload more images i want to make a list with all the thumbnails! after i want to be able to click on one thumb and rotate, duplicate, drag and drop (to change positions of the images), delete the image! all the images i want to be in a php array, if a image is deleted i want to delete the row from array to, if a image is drag and droped i want to change the position in the array to! ok after the user upload all the images and modify some of it how i can make a DONE button to save the positions of the images? for this small project how u suggest me to save the images? (to make a table in mysql and store the names of the images in the database depending on the session id? depending on the IP? any suggestions are welcome! thanks!

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• How tp pass textbox value from one webform to a xtrareport ?

  - by ahmed

  Hello, I have a web form where I have a textbox in which the user will enter the number and pull the information from the table. Now I have developed a xtrareport, where I have to display the data of which the user enters in that textbox which I mentioned earlier. Everything works fine , only I need to just pass the value of the texbox(form1) to the report (form2). Now what i need is how to pass the textbox value as a parameter to the report and display the report data of the selected number. Thanking you.

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• Unobtrusive jQuery and Rails with AJAX and form validation

  - by bogumbiker

  Hello, I am looking for a way to call successfully custom function from submitHandler to do proper ajax post. Here is my custom function: jQuery.fn.submitWithAjax = function() { this.submit(function() { $.post(this.action, $(this).serialize(), null, "script"); return false; }) return this; }; Before using validate plugin I had following which worked fine: $(document).ready(function() { $("#my_form").submitWithAjax(); } Now I have added the validation part and have no idea how to call my custom submitWithAjax function?? $(document).ready(function() { $("#my_form").validate({ /*Validations - works perfectly!! */ }, submitHandler: function(form) { /* $("#my_form").submitWithAjax(); - this works but introduces recursion */ /* how to call custom subitWithAjax() ????? */ } }); }) Thanks!

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• Netbeans Module not being deployed

  - by DK

  Original Question Title: C:\Documents and Settings\user\My Documents\NetBeansProjects\ConsultingAgency\nbproject\build-impl.xml:563: The module has not been deployed. hello I am new to javaserver face developing and following some netbean tutorials on this Generating a JavaServer Faces CRUD Application from a Database : http://netbeans.org/kb/docs/web/jsf-jpa-crud-wizard.html when I run this generated code on my computer I get this message and it doesn't seem to work. C:\Documents and Settings\user\My Documents\NetBeansProjects\ConsultingAgency\nbproject\build-impl.xml:563: The module has not been deployed. Can anyone help me solving this problem ? thanks in advance.

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• Apache on linux : spawning processes or threads ?

  - by Jerome WAGNER

  Hello, I would like to understand better exactly what is going on when Apache on linux receive an HTTP request in a process pre-fork model. Let's say we have 20 Apache child processes waiting. When I receive an HTTP request, is it true to say that 1 child process will be chosen to handle the request and that this process won't handle another request from another user until the first one is finished ? I am asking the question because of a PHP limitation that states : The locale information is maintained per process, not per thread. If you are running PHP on a multithreaded server API like IIS or Apache on Windows, you may experience sudden changes in locale settings while a script is running, though the script itself never called setlocale(). This happens due to other scripts running in different threads of the same process at the same time, changing the process-wide locale using setlocale(). Thanks Jerome Wagner

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• Jquery get attribute of few ul to create another attribute

  - by Josemalive

  Hello, I have the following HTML: <ul actualpage=0> <li/> <li/> .... </ul> <ul actualpage=0> <li/> <li/> .... </ul> Im trying to get the value of actualpage of each ul and create a new attribute. Its easy but not in one jquery sentence... Its possible? Until now i have the following line (between ## simbols the missing part that i need. /* select all uls with attribute actualpage and create a new attribute on each with the current actualpage value */ $('ul[actualpage]').attr('newactualpage',##Current value of actualpage attr of UL##);

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• addins deployment

  - by user326198

  Hello Everyone, we have a product that work as standalone and Clickonce , we created some components as addins in the system (based on microsoft System.addin) we need a mechanism to update this addins on the customers in the two cases stand and click once I'm thinking for the stand alone we just send the customer a CD to update the addins and I'm thinking also to deploy the addins as Packages like System.IO.Packaging so I can know the version of addin update it or delete it but How I will Achieve this in click once the user will just press update in the addin manager in the application How I can manage the versioning and updating this addins I hope to help me to architect this structure of addins update

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• iPhone: Switching from a map screen to a battle screen without the map progress being reset

  - by user298261

  Hello! I'm trying to make a role-playing game, and I want the game to work so that it transitions to the battle NIB for battles, then returns back to the map NIB afterward, yet still retain all the progress the player has made exploring the dungeon. I've tried proto-typing this with just a view-switcher, where one view creates content, and then switches to the other view, and then coming back from the other view. However, once the view goes back to the original, the original view is reset. How to make the data persistent so that it doesn't reset after every "battle"? Thanks!

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• WPF/MVVM: How can I use several CollectionView`s for aggregated entities ?

  - by msfanboy

  Hello, I have a Customer with Orders and those have products. Everything aggregated with collections of type ObservableCollection. All 3 collections are bound to a datagrid/combobox. I can only make the root collection (ObservableCollection Customers{ get;set;} ) passing to a CollectionView so I can move the current customer within the combobox. But how can I move around the current Order in the datagrid? How to pass the selected Orders to another CollectionView ? Does all this maybe not work?

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