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  • Approaching Java from a Ruby perspective

    - by Travis
    There are plenty of resources available to a Java developer for getting a jump-start into Ruby/Rails development. The reverse doesn't appear to be true. What resources would you suggest for getting up-to-date on the current state of java technologies? How about learning how to approach DRY (don't repeat yourself) without the use of metaprogramming? Or how to approach various scenarios where a ruby developer is used to passing in a function (proc/lambda/block) as an argument (callbacks, etc)?

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  • reading from HTML nad inserting in form

    - by purushottam
    I have to read the content from HTML file and then the parameters for different heading should be entered into the form in php and then i need to save the page and submit it so that it will be saved in the databse. I need to automate this whole process since i have approx 2000 HTML files which should be read and should be entered in a form in PHP. Do you have any idea about any tool which can help in this process. small idea will be also helpful. Note : i can not enter the contents from HTML directly into the databse from back end since there are many fields which are getting auto generated when i am saving and submitting the form. thanks in advance.

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  • Where I can find DeskUtil documentation/help?

    - by Born To Learn
    Hello all, Where I can find DeskUtil documentation/help? I am trying to build Delphi add-in and I have some troubles with saving/registering/loading the add-in docking form into the active IDE desktop. I am using the DeskUtil methods after reading some examples here and there, but, examples don’t go deep in how these methods work, and in the mechanism of the IDE loading/destroying. Is there any official documentation/help about the DeskUtil or the OpenTools Api? In other words, how and where can developer like me get deep knowledge (not articles or demos) about IDE and OpenTools Api? Thanks for your help.

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  • Caliburn.micro View ViewModel name resolution issue

    - by user1459773
    I am using a namespace called ComShorCaliburnWPF.ViewModules.Views.ShortMenuWindows.GWDSCT on my View.xaml and View.cs, for my ViewModel.cs and my IoC container I am using ComShorCaliburnWPF.ViewModules.Views.ShortMenuWindows.GWDSCT. When I remove the GWDSCT at the end it works fine, but in its current state it does not. I would like it to work how it is now because it accurately reflects where the files are located. Any suggestions?

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  • Why did you decide "against" using Erlang?

    - by Zubair
    Have you actually "tried" (means programmed in, not just read an article on it) Erlang and decided against it for a project? If so, why? Also, if you have opted to go back to your old language, or to use another functional language like F#, Haskell, Clojure, Scala, or something else then this counts too, and state why.

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  • How to tell iPhone NSURLConnection to abort

    - by Jahmic
    I have an app that makes moderate use of NSURLConnection. These async calls eventually finish and release properly (it looks like), but sometimes it takes some time for them to finish. So, there are times when I exit the app, (note, not just sending it the background), that some of these connections are still active. If I immediately restart the app, the app freezes on startup. (didFinishLaunchingWithOptions never seems to get called). While I'm not certain these connections are the issue, it would probably be good to terminate or cancel any remaining. Any suggestions on how to do this? Bonus points on how to debug the restart also. (I'm already saving NSLog statements to a downloadable file)

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  • Override Django inlineformset_factory has_changed() to always return True

    - by John
    Hi, I am using the django inlineformset_factory function. a = get_object_or_404(ModelA, pk=id) FormSet = inlineformset_factory(ModelA, ModelB) if request.method == 'POST': metaform = FormSet (instance=a, data=request.POST) if metaform.is_valid(): f = metaform.save(commit=False) for instance in f: instance.updated_by = request.user instance.save() else: metaform = FormSet(instance=a) return render_to_response('nodes/form.html', {'form':metaform}) What is happening is that if I change any of the data then everything works ok and all the data gets updated. However if I don't change any of the data then the data is not updated. i.e. only entries which are changed go through the for loop to be saved. I guess this makes sense as there is no point saving data if it has not changed. However I need to go through and save every object in the form regardless of whether it has any changes on not. So my question is how do I override this so that it goes through and saves every record whether it has any changes or not? Hope this makes sense Thanks

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  • Phonegap and JqueryMobile freeze UI events and functions

    - by techytee
    I am developing a Phonegap app with JQuery mobile with their latest stable versinos (Phonegap 3 and JQM 1.3.2) for Android platform. My app downloads feeds from Google Feeds API and saves in a SQLite database. But whenever it starts fetching and saving data from the web (the no of feeds that download at a time can be many), the other functionality such as button events halt and freeze. To be precise the a button that opens and closes a panel does not either open or close the panel until the data fetching stops. How am I supposed to solve this issue? The performance has dropped drastically due to this issue in my app.

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  • How can I delete video stored in the photo library ?

    - by srikanth rongali
    I have saved video in to the photo library. -(void)exportVideo:(id)sender { NSString *path = [DOCUMENTS_FOLDER stringByAppendingString:@"/air.mp4"]; NSLog(@"Path:%@", path); NSLog(@"Export Button CLicked"); UISaveVideoAtPathToSavedPhotosAlbum(path, self, @selector(video:didFinishSavingWithError: contextInfo:), nil); } - (void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo { NSLog(@"Finished saving video with error: %@", error); } Now I need to delete the video i have stored programmatically. How can I delete the video ? Are there any functions for it? Thank You.

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  • JSF - database character encoding

    - by wheelie
    Hi there, I have a Java Web application using GlassFish 3, JSF2.0 (facelets) and JPA (EclipseLink). The problem I'm facing, is that if I'm saving entities to the database with the update() method, String data loses integrity; '?' is shown instead of some characters. The server, pages and database is/are configured to use UTF-8. After I post form data, the next page shows the data correctly. Furthermore it "seems" in debug that the String property of the current entity stores the correct value too. Dunno if NetBeans debug can be trusted; might be that it decodes correctly, however it's incorrect. Any help would be appreciated, thanks in advance! Daniel

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  • What did you develop using a microcontroller?

    - by DR
    I've always been fascinated by microcontrollers and I'm planning to do a few hobby projects just to satisfy my inner geek :) I'm looking for ideas and motivation, so what did you develop using a microcontroller? If possible please state the microcontroller and/or development environment and an estimate on hardware costs beyond the basic equipment (if applicable). I'm interested in both successful and failed projects and any problems you encountered.

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  • Close socket handle utility

    - by Boris
    Hi I need a utility to close server socket handles open by the process, on windows. I cannot use tcpview as it does not close the server socket (ESTABLISHED state). Process explorer comes close with its handle list and "close handle" option, but it only gives the handle path (like \Device\Afd) and if application has open many such sockets I cannot tell which handle I would like to close. Any idea?

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  • OpenID Attribute Exchange - should I use it?

    - by Josh
    My website will be using only OpenID for authentication. I'd like to pull user details down via attribute exchange, but attribute exchange seems to have caused a lot of grief for StackOverflow. What is the current state of play in the industry? Does any OpenID provider do a decent job of attribute exchange? Should I just steer away from OpenID attribute exchange altogether? How can I deal with inconsistent support for functionality?

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  • SQL Server Subquery returned more than 1 value. This is not permitted when the subquery follows =, !

    - by anilkumarn
    Once i run this query, getting the following error. please help. select OrderDetails.Sku,orderdetails.mf_item_number,orderdetails.Qty,orderdetails.Price,Supplier.SupplierId, Supplier.SupplierName,Supplier.DropShipFees, cost = (Select Supplier_Item.Price from Supplier_Item,orderdetails,Supplier where Supplier_Item.SKU=OrderDetails.Sku and Supplier_Item.SupplierId=Supplier.SupplierID ) from orderdetails,Supplier,Group_Master where invoiceid='339740' and OrderDetails.Mfr_ID = Supplier.SupplierId and Group_Master.Sku = OrderDetails.Sku Msg 512, Level 16, State 1, Line 2 Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , , = or when the subquery is used as an expression.

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  • understanding memory mapping in directx

    - by numerical25
    So my question is ... " When your using the mapping feature to write into a memory buffer, are you really just saving the whole procedure into a queue so directX executes it when finished with other tasks???" I ask this question because this is my perception of mapping when writing to a buffer. I just want to make sure my perception is correct. I understand that the monitor moves extremely slow in compared to the processor, and I am sure the processor can execute 10 times the amount the screen can refresh. So is this one of the reason you should map when writing to a buffer. so each procedure can be done in a orderly fashion. If someone could elaborate, that would be great. thanks

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  • javascript error: variable is not defined

    - by Hristo
    to is not defined [Break on this error] setTimeout('updateChat(from, to)', 1); I'm getting this error... I'm using Firebug to test and this comes up in the Console. The error corresponds to line 71 of chat.js and the whole function that wraps this line is: function updateChat(from, to) { $.ajax({ type: "POST", url: "process.php", data: { 'function': 'getFromDB', 'from': from, 'to': to }, dataType: "json", cache: false, success: function(data) { if (data.text != null) { for (var i = 0; i < data.text.length; i++) { $('#chat-box').append($("<p>"+ data.text[i] +"</p>")); } document.getElementById('chat-box').scrollTop = document.getElementById('chat-box').scrollHeight; } instanse = false; state = data.state; setTimeout('updateChat(from, to)', 1); // gives error }, }); } This links to process.php with function call getFromDB and the code for that is: case ('getFromDB'): // get the sender and receiver user IDs from their user names $from = mysql_real_escape_string($_POST['from']); $query = "SELECT `user_id` FROM `Users` WHERE `user_name` = '$from' LIMIT 1"; $result = mysql_query($query) or die(mysql_error()); $row = mysql_fetch_assoc($result); $fromID = $row['user_id']; $to = mysql_real_escape_string($_POST['to']); $query = "SELECT `user_id` FROM `Users` WHERE `user_name` = '$to' LIMIT 1"; $result = mysql_query($query) or die(mysql_error()); $row = mysql_fetch_assoc($result); $toID = $row['user_id']; $query = "SELECT * FROM `Messages` WHERE `from_id` = '$fromID' AND `to_id` = '$toID' LIMIT 1"; $result = mysql_query($query); while($row = mysql_fetch_assoc($result)) { $text[] = $line = $row['message']; $log['text'] = $text; } break; So I'm confused with the line that is giving the error. setTimeout('updateChat(from,to)',1); aren't the parameters to updateChat the same parameters that came into the function? Or are they being pulled in from somewhere else and I have to define to and from else where? Any ideas how to fix this error? Thanks, Hristo

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  • Insert Image in richTextBoxControl

    - by Rahat
    What is the best way to insert an image programatically into the RichTextBox control in C# Winforms? If the method is using Clipboard then what is the optimized way to keep the Clipboard original data (i.e. the data state before placing my image on the Clipboard) available to be replaced after my temporary usage of Clipboard for inseting my image in Rich Text Box Control.

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  • Streaming data to the browser as a file of unknown size

    - by Sir Psycho
    I have some data which is queried from the database and I'd like to send it to the client as a csv file. The file size varies each time due to the fact that the DB data returned can be of any size. Instead of saving this file to the hard disk, I'd like to send it to the browser at the same time it's being processed into a CSV by my algorithm. Response.Write seems useless. For some reason, the file download dialog is only displayed once my processing is finished. This seems odd as I'm writting all my output to the Response.Output stream. I have downloaded files on the web before where the filesize is not known and the browser just keeps on downloading. Is there any way to achieve this? The following stackoverflow thread did not offer any good advise. http://stackoverflow.com/questions/873995/asp-net-downloading-large-files-of-unknown-size Thanks

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  • How to close a form in UserControl

    - by FJPoort
    I created a UserControl with the buttons Save, Close and Cancel. I want to close the form without saving on the Cancel button, prompt a message to save on the Close button and Save without closing on the Save button. Normally, I would have used this.Close() on the Cancel button, but the UserControl doesn't have such an option. So I guess I have to set a property for that. Scrolling down the "Questions that may already have your answer" section, I came across this question: How to close a ChildWindow from an UserControl button loaded inside it? I used the following C# code: private void btnCancel_Click(object sender, EventArgs e) { ProjectInfo infoScreen = (ProjectInfo)this.Parent; infoScreen.Close(); } This does the job for one screen, but I wonder if I have to apply this code for all the screen I have? I think there should be a more efficient way. So my question is: Do I need to apply this code for every form I have, or is there another (more efficient) way?

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  • How to create an iPad directory view like animation?

    - by mahes25
    In the recent iOS 4.2 update, Apple introduced a nice animation for creating one level directories. I am trying to figure out how to implement a similar animation in my project. I would deeply appreciate it if anyone could give me any pointers to do this efficiently. From my investigation, I believe this animation or effect could be done very efficiently using Core Image which would allow me to write a custom filter. Unfortunately, Core Image is not available in iPhone. So how can do it? I read a blog post that explained a core animation scheme to create an iPad flip clock. The problem I have is similar but has important differences. Besides, I not excited about saving the subimage combinations, which I believe can cause a memory issue. Please enlighten me on the possible ways of doing this animation. I am relatively new to iOS programming, so I might have missed obvious ways of doing this animation or effect.

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