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  • How can I save an NSDocument concurrently?

    - by Paperflyer
    I have a document based application. Saving the document can take a few seconds, so I want to enable the user to continue using the program while it saves the document in the background. Due to the document architecture, my application is asked to save to a temporary location and that temporary file is then copied over the old file. However, this means that I can not just run my file saving code in the background and return way before it is done, since the temporary file has to be written completely before it can be copied. Is there a way to disable this temporary-file-behavior or otherwise enable file saving in the background?

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  • RTSP streaming and save into mp4 file using VLC

    - by Vivek Navadia
    Hello All let say i am having one RTSP url (rtsp://192.168.0.17/mpeg4). the live camera is setup on the machine which relay live video. i am streaming it using vlc player and i am saving it in mp4 file on some location (i.e. c:\temp.mp4). Now i am opening another vlc player instance and open this file (c:\temp.mp4). but as it is in use and saving live streaming to that file. that will not be played. if if stop the streaming and then played temp.mp4 file then it will play the streamed (saved) video. Now my requirement is VLC player should also stream and save into temp.mp4 file continuously and at the same time that file should be played in any standard player. is it possible to do with any option using VLC player that we can do both this things simultaneously. Thanks Vivek

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  • PDO prepare silently fails

    - by Wabbitseason
    I'm experimenting with PHP's session_set_save_handler and I'd like to use a PDO connection to store session data. I have this function as a callback for write actions: function _write($id, $data) { logger('_WRITE ' . $id . ' ' . $data); try { $access = time(); $sql = 'REPLACE INTO sessions SET id=:id, access=:access, data=:data'; logger('This is the last line in this function that appears in the log.'); $stmt = $GLOBALS['db']->prepare($sql); logger('This never gets logged! :('); $stmt->bindParam(':id', $id, PDO::PARAM_STR); $stmt->bindParam(':access', $access, PDO::PARAM_INT); $stmt->bindParam(':data', $data, PDO::PARAM_STR); $stmt->execute(); $stmt->closeCursor(); return true; } catch (PDOException $e) { logger('This is never executed.'); logger($e->getTraceAsString()); } } The first two log messages always show up, but the third one right after $stmt = $GLOBALS['db']->prepare($sql) never makes it to the log file and there's no trace of an exception either. The sessions db table remains empty. The log message from the _close callback is always present. Here's how I connect to the database: $db = new PDO('mysql:host=' . DBHOST . ';dbname=' . DBNAME, DBUSER, DBPASS); $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); I have PHP 5.2.10. I tried to simply run $GLOBALS['db']->exec($sql) with a "manually prepared" $sql content, but it still failed silently. The query itself is all right I was able to execute it via the db console.

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  • Notepad++ setting to clear the undo buffer on save

    - by J Jones
    Hello, I've noticed that Notepad++ is clearing the undo buffer when I save a file. This just started happening when I updated the editor to version 5.6.8. (previous version was pretty old... 5.3.? perhaps...) I've seen one reference out there (look at last bullet of answer) that this might be a setting I can change. But for the life of me, I can't find it. Anyone familiar with this?

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  • Implementing auto-save in WPF / MVVM / NHibernate

    - by Echiban
    My client likes programs like Microsoft OneNote where changes are saved automatically, and he can choose to discard when he explicitly wants to do so. I will have to implement some undo functionality, but I'll figure that out some other time. With NHibernate, I suppose I can call ISession.Update on every single property / binding change, but I can see real pain with this approach down the road. I am not a fan of timers, but maybe a 5 second timer that starts on property / binding change and at timer end use BackgroundWorker thread to save to db. What do you think?

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  • Save batch file path to local harddisk

    - by Brian
    Hi, I have a batch file that is Run when a selfextraction file is executed. The self extracted files must be copied to to specefic place on the harddisc. In the batch file the user is asked where the path is (if it's not located the default place) Part of the batch file: @ECHO OFF IF EXIST "C:\Program Files\program\program.exe". ( set PROGRAMPATH=C:\Program Files\ ) ELSE ( echo Program folder was not found. Please enter the path for Program set /p PROGRAMPATH=Path: ) echo Copying data to "%PROGRAMPATH%"... copy /Y "*.txt" "%PROGRAMPATH%" Now for my question. If a user then enters a new path, is it possible to save that path. So when he executes the self extraction packagde again, it could remember that new path?

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  • How to debug when CakePHP Model::save() doesn't attempt an INSERT

    - by RyOnLife
    I am having a bear of a time saving the simplest record from a model called ItemView: if($this->save($this->data)) { echo 'worked'; } else { echo 'failed'; } Where $this-data is: Array ( [ItemView] => Array ( [list_id] => 1 [user_id] => 1 ) ) And my table is: CREATE TABLE IF NOT EXISTS `item_views` ( `id` int(11) NOT NULL auto_increment, `list_id` int(11) NOT NULL, `user_id` int(11) default NULL, `user_ip` int(10) unsigned default NULL, `created` datetime NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 ROW_FORMAT=FIXED AUTO_INCREMENT=1 ; Looking at the query dump in debug mode, Cake isn't even attempting an INSERT, so I have no idea how to debug. Any help would be appreciated.

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  • How to force HtmlUnit to save page?

    - by booroondook
    Hello. I'm using HtmlUnit to click on a HtmlElement that triggers Javascript action: currentPage = ((HtmlElement) currentPage.getByXPath("//*[contains(@onclick, 'check();')]").get(0)).click(); The element is: <a href="#" onclick="check(); return false;"> The page returned is quite similar to the page, containing that element: same URL, mostly same HTML, but there are some minor differences in the HTML and HtmlUnit doesn't save the new page. I'm using HttpAnalyzer to sniff the traffic and I see that the Webclient correctly handles JS and send the right request. The response is also correct, but when I dump the contents of the currentPage to a file, I see that the actual page didn't change. How can I fix it?

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  • Save jQuery callback functions in a separate file

    - by Danny Herran
    Probably I missed something, but lets say I have this: $('a.delete').click(function(){ resp=window.confirm("Are you sure you want to delete this?"); if(resp) return true; else return false; } Now, I want to save that callback function into a separate js file, because I will use it in several pages. My logic told me to do this: $('a.del').click(delete_element()); Having my js file like this: function delete_element(){ resp=window.confirm("Are you sure you want to delete this?"); if(resp) return true; else return false; } This doesn't work. Everytime my page loads, it displays the confirm window, even if I haven't clicked the link. It is clear that my logic failed this time. What am I missing?

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  • How to: Save order of tabs when customizing tabs in UITabBarController

    - by Canada Dev
    I am having problems finding any other information than the docs for how to save the tab order for my UITabBarController, so that the user's customization is saved for next app launch. I have searched online, but have been unable to find any blog posts or articles that goes through the proper code for doing this. I realize I have to use the delegate methods for the UITabBarController (didEndCustomizingViewControllers:) but I am not sure how I best approach persistance in terms of saving the state of the order the user wants the tabs in. Can someone post some code, point me in the right direction or perhaps you have a link for something saved? :) Thanks

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  • Django/Python: Save an HTML table to Excel

    - by kchau
    I have an HTML table that I'd like to be able to export to an Excel file. I already have an option to export the table into an IQY file, but I'd prefer something that didn't allow the user to refresh the data via Excel. I just want a feature that takes a snapshot of the table at the time the user clicks the link/button. I'd prefer it if the feature was a link/button on the HTML page that allows the user to save the query results displayed in the table. Is there a way to do this at all? Or, something I can modify with the IQY? I can try to provide more details if needed. Thanks in advance.

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  • turning text into image - PHP/GD - save image

    - by Phil Jackson
    Hi, I'm using this script to simply create an image from text. What I would like to know is how to save the image instead of printing straight to browser; // an email address in a string $string = $post[$key]; // some variables to set $font = 4; $width = ImageFontWidth($font) * strlen($string); $height = ImageFontHeight($font); // lets begin by creating an image $im = @imagecreatetruecolor ($width,$height); //white background $background_color = imagecolorallocate ($im, 255, 255, 255); //black text $text_color = imagecolorallocate ($im, 0, 0, 0); // put it all together $image = imagestring ($im, $font, 0, 0, $string, $text_color); I know its probably just one line of code at the end but im not sure which GD function to use. Any help would be much appreciated, Regards, Phil.

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  • save managed bean to notes document

    - by Ove Stoerholt
    In a managed bean you have fields, and the fields have getters and setters. But I also need to save values back to, in this case, a Notes profile document. So I have a loadProfileDocument and a saveProfileDocument method. I was thinking of using the bean in the application scope. How do I make sure the profile document is saved? Do I have to call the saveProfileDocument from the setter? Do I call the saveProfileDocument() explisitly? Could I use a destructor (finalize)? Or what...???...

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  • How to sanitize log messages in Log4j to save them in database

    - by Rafael
    Hello, I'm trying to save log messages to a central database. In order to do this, I configured the following Appender in log4j's xml configuration: <appender name="DB" class="org.apache.log4j.jdbc.JDBCAppender"> <param name="URL" value="jdbc:postgresql://localhost/logging_test" /> <param name="user" value="test_user" /> <param name="password" value="test_password" /> <param name="sql" value="INSERT INTO log_messages ( log_level, message, log_date ) VALUES ( '%p', '%m', '%d{yyyy-MM-dd HH:mm:ss}' )" /> </appender> This works fine, except some of the messages contain ', and then the appender fails. Is there an easy way to do this?

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  • Writing to a .plist file

    - by sg
    I have a .plist with 2 key values in it. It is of type Dictionary. I am trying to write value to one of the key values. What's wrong with the code below? I also tried using type "Array". That option also does not work. How can I get it to work using Dictionary & also Array? Anyone has working code example? Thanks. I would appreciate any help. NSString *filePath = @"myprefs.plist"; NSMutableDictionary* plistDict = [[NSMutableDictionary alloc] initWithContentsOfFile:filePath]; [plistDict setValue:@"[email protected]" forKey:@"Email"]; [plistDict writeToFile:filePath atomically: YES];

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  • Trying to open a excel template and rename or save to new location

    - by JPJedi
    I get the following error message when I try the following: Dim XL As New Microsoft.Office.Interop.Excel.Application XL.Visible = True XL.Workbooks.Open(XLTemplatePath) XL.SaveWorkspace(XLSaveReportPath) XL.Workbooks.Close() XL.Workbooks.Open(XLSaveReportPath) "Excel cannot open the file 'ContactReports.xlsx' because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file." What I would like to do is Open a excel file that is the XLTemplatePath and the either rename or save the file at the XLSaveReportPath and then use that renamed/saved file to fill the report out. I am using Visual Studio 2008 in VB.NET

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  • Save VM properties with EF code first

    - by Julien
    I thought this would be simple but can't find any good examples. public Class BookVm : ImplementsPropertyChanged { public int BookId {get;set;} private bool _favorite; public bool Favorite { get { return _favorite; } set { _favorite = value; OnPropertyChanged("Favorite"); MyDbContext.SaveChanges() // this does not work } } Then in my XAML bound to Book <CheckBox Content="Favorite" IsChecked="{Binding Favorite}" /> How and when do I call SaveChanges() on my DatabaseContext? I don't want to implement a save button. If I intercept the PropertyChange event and call SaveChanges, nothing seems to happen. My object is modified in memory but the database does not see a change. My BookVm class is created on application startup like so: foreach (var book in MyDbContext.Books) Books.Add(book); Where Books is an ObservableCollection<Book> in my MainWindowVm

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  • How to open save dialog box for saving pdf

    - by Mutturaj Bali
    I truly appreciate your suggestions. I am using MVC3 and I want user to save to his own path by opening a dialog with password protected. Can you guys please help me on this. Below is my code: mydoc.GenerateLetter(PdfData); string WorkingFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); using (MemoryStream m = new MemoryStream()) { m.Write(mydoc.DocumentBytes, 0, mydoc.DocumentBytes.Length); m.Seek(0, SeekOrigin.Begin); string OutputFile = Path.Combine(WorkingFolder, PdfData.Name + ".pdf"); using (Stream output = new FileStream(OutputFile, FileMode.Create, FileAccess.Write, FileShare.None)) { PdfReader reader = new PdfReader(m); PdfEncryptor.Encrypt(reader, output, true, "abc123", "secret", PdfWriter.ALLOW_SCREENREADERS); } }

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  • save and play recorded sound

    - by blacksheep
    i'd like to save and play again this recorded sounds: @interface Recorder : NSObject { NSMutableArray *times; NSMutableArray *samples; } @end @implementation Recorder – (id) init { [super init]; times = [[NSMutableArray alloc] init]; samples = [[NSMutableArray alloc] init]; return self; } – (void) recordSound: (id) someSound { CFAbsoluteTime now = CFAbsoluteTimeGetCurrent(); NSNumber *wrappedTime = [NSNumber numberWithDouble:now]; [times addObject:wrappedTime]; [samples addObject:someSound]; } @end thanx blacksheep

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  • save changes problem

    - by ognjenb
    // GET: /Transporter/Edit/5 public ActionResult Edit(int id) { var FilesQueryEdit = (from i in FilesEntities.transporter where i.Id == id select i).First(); return View(FilesQueryEdit); } // // POST: /Transporter/Edit/5 [HttpPost] public ActionResult Edit(int id, transporter trn) { try { // TODO: Add update logic here FilesEntities.AddTotransporter(trn); FilesEntities.SaveChanges(); return RedirectToAction("Transporters"); } catch { return View(); } } This code inserts new row after post edited data. How to modify post action result to save changes in edited row without inserting new row

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  • Rails - Create form fields dynamically and save them

    - by Frexuz
    Im building an ad-system where users can dynamically create 'fields' for each ad type. My models and example values: AdType: | id | name |----|----- | 1 | Hotel | 2 | Apartment AdOption: | id | ad_type_id | name |----|------------|----- | 1 | 1 | Star rating | 2 | 1 | Breakfast included? | 3 | 2 | Number of rooms AdValue: (Example after saving) | id | ad_id | ad_option_id | value |----|-------|---------------|------ | 1 | 1 | 1 (stars) | 5 | 2 | 1 | 2 (breakfast) | true Ad: (Example after saving) | id | description | etc.... |----|-----------------|-------- | 1 | very nice hotel | ....... So lets say I want to create a new ad, and I choose Hotel as the ad type. Then I need my view to dynamically create fields like this: (I'm guessing?) [Label] Star rating: [hidden_field :ad_id] [hidden_field :ad_option_id] [text_field :value] [Label] Breakfast included? [hidden_field :ad_id] [hidden_field :ad_option_id] [text_field :value] And also, how to save the values when the ad record is saved I hope this is understandable. If not just ask and I'll try to clarify.

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  • How to save position after reload DataGridView

    - by bobik
    this is my code: private void getData(string selectCommand) { string connectionString = @"Server=localhost;User=SYSDBA;Password=masterkey;Database=C:\data\test.fdb"; dataAdapter = new FbDataAdapter(selectCommand, connectionString); DataTable data = new DataTable(); dataAdapter.Fill(data); bindingSource.DataSource = data; } private void button1_Click(object sender, EventArgs e) { getData(dataAdapter.SelectCommand.CommandText); } private void Form1_Load(object sender, EventArgs e) { dataGridView1.DataSource = bindingSource; getData("SELECT * FROM cities"); } after reload data on button1 click, cell selection jumps on first column and scrollbars is reset. How to save position of DataGridView?

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  • Django admin return to page after save

    - by Thordin9
    Hi all, I have 3 pages of items listed in my django application admin. After i edit one of them (lets say it is in page 2) and save my changes, i return to page 1 of my listing. How can i make it so i return to the page the item is in? I looked into some similar questions here at stackoverflow and i believe that i need to use javascript to send a httpresponse with the location header. But how i can determine the page the item is in? any help is appreciated

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