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  • How can I stop Silverlight DataForm immediately saving changes back to underlying object?

    - by Simon_Weaver
    I have a Silverlight master-details DataForm where the DataForm represents a street address. When I edit the Address1 textbox, the value gets automatically committed to the bound Address object once focus leaves the textbox. If I hit the Cancel button, then any changes are undone because Address implements IEditableObject and saves its state. The problem is that since any change is immediately propagated to the underlying object it will be shown in the master grid before the user has actually hit Save. I also have other locations where this data is shown. This is not a very good user experience. I've tried OneWay binding but then I can't commit back without manually copying all the fields over. The only thing I can think of doing is to create a copy of the data first or using OneWay binding, but they both seem a little clumsy. Does DataForm support this way of working?

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  • Why do I get completely different results when saving a BitmapSource to bmp, jpeg, and png in WPF

    - by DanM
    I wrote a little utility class that saves BitmapSource objects to image files. The image files can be either bmp, jpeg, or png. Here is the code: public class BitmapProcessor { public void SaveAsBmp(BitmapSource bitmapSource, string path) { Save(bitmapSource, path, new BmpBitmapEncoder()); } public void SaveAsJpg(BitmapSource bitmapSource, string path) { Save(bitmapSource, path, new JpegBitmapEncoder()); } public void SaveAsPng(BitmapSource bitmapSource, string path) { Save(bitmapSource, path, new PngBitmapEncoder()); } private void Save(BitmapSource bitmapSource, string path, BitmapEncoder encoder) { using (var stream = new FileStream(path, FileMode.Create)) { encoder.Frames.Add(BitmapFrame.Create(bitmapSource)); encoder.Save(stream); } } } Each of the three Save methods work, but I get unexpected results with bmp and jpeg. Png is the only format that produces an exact reproduction of what I see if I show the BitmapSource on screen using a WPF Image control. Here are the results: BMP - too dark JPEG - too saturated PNG - correct Why am I getting completely different results for different file types? I should note that the BitmapSource in my example uses an alpha value of 0.1 (which is why it appears very desaturated), but it should be possible to show the resulting colors in any image format. I know if I take a screen capture using something like HyperSnap, it will look correct regardless of what file type I save to. Here's a HyperSnap screen capture saved as a bmp: As you can see, this isn't a problem, so there's definitely something strange about WPF's image encoders. Do I have a setting wrong? Am I missing something?

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  • How to make a model instance read-only after saving it once?

    - by Ryszard Szopa
    One of the functionalities in a Django project I am writing is sending a newsletter. I have a model, Newsletter and a function, send_newsletter, which I have registered to listen to Newsletter's post_save signal. When the newsletter object is saved via the admin interface, send_newsletter checks if created is True, and if yes it actually sends the mail. However, it doesn't make much sense to edit a newsletter that has already been sent, for the obvious reasons. Is there a way of making the Newsletter object read-only once it has been saved? Edit: I know I can override the save method of the object to raise an error or do nothin if the object existed. However, I don't see the point of doing that. As for the former, I don't know where to catch that error and how to communicate the user the fact that the object wasn't saved. As for the latter, giving the user false feedback (the admin interface saying that the save succeded) doesn't seem like a Good Thing. What I really want is allow the user to use the Admin interface to write the newsletter and send it, and then browse the newsletters that have already been sent. I would like the admin interface to show the data for sent newsletters in an non-editable input box, without the "Save" button. Alternatively I would like the "Save" button to be inactive.

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  • best mysql field setup to have a "couples" member profile data saving.

    - by acctman
    Couple database profile entry, which would be the best way to save data. Also the data will be retrieved via php coding and if it could be down with one query code that would be ideal. Within the site_member table create multiple field for each field... ex: m_firstname1, m_firstname2, m_age1, m_age2, etc... Store the couple member data in one field each... and separate with a comma in the data field ex: m_firstname (Mike, Sherry) Create a separate table site_member_c duplicating the same fields that are in site_member table. This is roughly about 10 fields

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  • Jquery draggable persistence either through mysql or saving cookie in the database?

    - by Muhammad Jehanzaib
    I want to know that how can I persist the divs dropped on a draggable. I have been trying since long but stuck at this point. Actually you can see the demo here. I have to save the user designed wedding floor. So whenever user logins next time he/ she is able to see the last design saved. The code is shown below: $(document).ready(function() { $("#droppable").droppable({ accept: '.draggable', drop: function(event, ui) { $(this).append($(ui.draggable).clone()); $("#droppable .draggable").addClass("objects"); $(".objects").removeClass("ui-draggable draggable"); $(".objects").draggable({ containment: 'parent', }); } }); $(".draggable").draggable({ helper: 'clone', tolerance: 'touch', cursor:'move' }); });

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  • Python: saving objects and using pickle. Error using pickle.dump

    - by Peterstone
    Hello I have an Error and I don´t the reason: >>> class Fruits:pass ... >>> banana = Fruits() >>> banana.color = 'yellow' >>> banana.value = 30 >>> import pickle >>> filehandler = open("Fruits.obj",'w') >>> pickle.dump(banana,filehandler) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python31\lib\pickle.py", line 1354, in dump Pickler(file, protocol, fix_imports=fix_imports).dump(obj) TypeError: must be str, not bytes >>> I don´t know how to solve this error because I don´t understand it. Thank you so much.

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  • Django Image Upload: IOErrno2 Could not find path -- and yet it's saving the image there anyway?

    - by Rob
    I have an issue where the local version of django is handling image upload as expected but my server is not. Note: I am using a Django Container on MediaTemple.net (grid server) Here is my code. def view_settings(request): <snip> if request.POST: success_msgs = () mForm = MainProfileForm(request.POST, request.FILES, instance = mProfile) pForm = ChangePasswordForm(request.POST) eForm = ChangeEmailForm(request.POST) if mForm.is_valid(): m = mForm.save(commit = False) if mForm.cleaned_data['avatar']: m.avatar = upload_photo(request.FILES['avatar'], settings.AVATAR_SAVE_LOCATION) m.save() success_msgs += ('profile pictured updated',) <snip> def upload_photo(data,saveLocation): savePath = os.path.join(settings.MEDIA_ROOT, saveLocation, data.name) destination = open(savePath, 'wb+') for chunk in data.chunks(): destination.write(chunk) destination.close() return os.path.join(saveLocation, data.name) Here's where it gets whacky and I was hoping someone could shed a light on this error, because either a) it's the wrong error code, or b) something is happening with the file before it's completely handled. To recap, the file was actually uploaded to the server in the intended directory - and yet this err msg continues to persist. IOError at /user/settings [Errno 2] No such file or directory: u'/home/user66666/domains/example.com/html/media/images/avatars/DSC03852.JPG' Environment: Request Method: POST Request URL: http://111.111.111.111:2011/user/settings Django Version: 1.0.2 final Python Version: 2.4.4 Installed Applications: ['django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'ctrlme', 'usertools', 'easy_thumbnails'] Installed Middleware: ('django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware') Traceback: File "/home/user6666/containers/django/leonidas/usertools/views.py" in view_settings m.avatar = upload_photo(request.FILES['avatar'], settings.AVATAR_SAVE_LOCATION) File "/home/user666666/containers/django/leonidas/usertools/functions.py" in upload_photo destination = open(savePath, 'wb+')

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  • Lookup site column not saving/storing metadata for Office 2007 documents?

    - by Greg Hurlman
    I'm having this issue on several server environments. We have a list at the site collection root. There is a site column created as a multi-value lookup on that list's Title field. This site column is used in document libraries in subsites as a required field. When we upload anything but an Office 2007 document, the user is presented with the document metadata fill-in screen (EditForm.aspx?Mode=Upload), the user fills in the appropriate data (including picking a value(s) for this lookup), and clicks "check in" - the document is checked in as expected, with the lookup field's value filled in. With an Office 2007 document, this fails. The user selected values for the lookup field do not ever make it to the server - no errors are thrown, but the field is not saved with the document. We have an event listener on these document libraries, and if we inspect the incoming SPListItem on the event listener method before a single line of our code has run, we see that the value for the lookup field is null. It smells like a SharePoint bug to me - but before I go calling Microsoft, has anyone seen this & worked around it? Edit: the only entry I see in the SP trace logs relating to the problem: CMS/Publishing/8ztg/Medium/Got List Item Version, but item was null

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  • How to display a person record just after saving his data to iPhone Address Book?

    - by camelCase
    this is my code and it works flawless, where my_value is a string with separator ','. everythign works fin but i'd like to display the person record from the address book after i saved it, so in the function if(isSaved) { // **** code here *** } here the complete function - (void) addToAgenda: (NSString*) my_value{ //NSArray *strings = [my_value componentsSeparatedByString: @","]; NSArray *dati=[[NSArray alloc] initWithArray:[my_value componentsSeparatedByString:@","]]; NSString *userwebsite = [dati objectAtIndex:0]; NSString *fname = [dati objectAtIndex:1]; NSString *lname = [dati objectAtIndex:2]; NSString *useremail = [dati objectAtIndex:3];; NSString *usermobile = [dati objectAtIndex:4]; NSString *usercompany = @"xxx"; ABRecordRef aRecord = ABPersonCreate(); CFErrorRef anError = NULL; // fisrst name ABRecordSetValue(aRecord, kABPersonFirstNameProperty, fname, &anError); // last name ABRecordSetValue(aRecord, kABPersonLastNameProperty, lname, &anError); // Phone Number. ABMutableMultiValueRef multi = ABMultiValueCreateMutable(kABMultiStringPropertyType); ABMultiValueAddValueAndLabel(multi, (CFStringRef)usermobile, kABWorkLabel, NULL); ABRecordSetValue(aRecord, kABPersonPhoneProperty, multi, &anError); CFRelease(multi); // Company ABRecordSetValue(aRecord, kABPersonDepartmentProperty, usercompany, &anError); // email NSLog(@"%@", useremail); ABMutableMultiValueRef multiemail = ABMultiValueCreateMutable(kABMultiStringPropertyType); ABMultiValueAddValueAndLabel(multiemail, (CFStringRef)useremail, kABWorkLabel, NULL); ABRecordSetValue(aRecord, kABPersonEmailProperty, multiemail, &anError); CFRelease(multiemail); // website NSLog(@"%@", userwebsite); ABMutableMultiValueRef multiweb = ABMultiValueCreateMutable(kABMultiStringPropertyType); ABMultiValueAddValueAndLabel(multiweb, (CFStringRef)userwebsite, kABWorkLabel, NULL); ABRecordSetValue(aRecord, kABPersonURLProperty, multiweb, &anError); CFRelease(multiemail); if (anError != NULL) NSLog(@"error while creating.."); CFStringRef personname, personlname, personcompind, personemail, personwebsite, personcontact; personname = ABRecordCopyValue(aRecord, kABPersonFirstNameProperty); personlname = ABRecordCopyValue(aRecord, kABPersonLastNameProperty); personcompind = ABRecordCopyValue(aRecord, kABPersonDepartmentProperty); personemail = ABRecordCopyValue(aRecord, kABPersonEmailProperty); personwebsite = ABRecordCopyValue(aRecord, kABPersonURLProperty); personcontact = ABRecordCopyValue(aRecord, kABPersonPhoneProperty); ABAddressBookRef addressBook; CFErrorRef error = NULL; addressBook = ABAddressBookCreate(); BOOL isAdded = ABAddressBookAddRecord (addressBook, aRecord, &error); if(isAdded){ NSLog(@"added.."); } if (error != NULL) { NSLog(@"ABAddressBookAddRecord %@", error); } error = NULL; BOOL isSaved = ABAddressBookSave (addressBook, &error); if(isSaved) { // **** code here *** } if (error != NULL) { NSLog(@"ABAddressBookSave %@", error); UIAlertView *alertOnChoose = [[UIAlertView alloc] initWithTitle:@"Unable to save this time" message:nil delegate:self cancelButtonTitle:nil otherButtonTitles:@"Ok", nil]; [alertOnChoose show]; [alertOnChoose release]; } CFRelease(aRecord); CFRelease(personname); CFRelease(personlname); CFRelease(personcompind); CFRelease(personcontact); CFRelease(personemail); CFRelease(personwebsite); CFRelease(addressBook); }

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  • Why won't SWFUpload execute the upload.aspx code, and why is it saving all files to the root directo

    - by Nathan Fast
    I am using SWFUpload v2.2. In IE (8):   If I upload a very tiny file (16kb):      1) The file appears in the root directory where upload.aspx is located.      2) Page_Load on upload.aspx.cs is executed.      3) The file is actually processed by the Page_Load procedure, and the processed file is saved in the correct location.   If I upload a normal file (1.5 MB):      1) The file appears in the root directory where upload.aspx is located. In Firefox (3.5.7):   No matter what size the file is, it:      1) The file appears in the root directory where upload.aspx is located. I have maxRequestLength="30000" executionTimeout="3000" in the web.config just to be sure. In the setting object for the constructor I have:   file_size_limit: "10 MB",   file_types: ".",   file_types_description: "All Files", So my questions are:   How is the file getting saved in the root directory (and why)?   Why does Page_Load only execute when I am using IE and uploading very tiny files?

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  • Is saving to database just to get an ID a bad hack?

    - by Narsil
    I hope the title is not too confusing. I am trying to make folders with linq-to-sql objects' IDs. Actually I have to create folders before I should save them. I will use them to keep user uploaded files. As you can see I have to create the folder with the FileID before I can save it there. So I just save a record which will be edited or maybe deleted File newFile = new File(); ...//add some values to fields so they don't throw rule violations db.AddFile(newFile); db.Save(); System.IO.Directory.CreateDirectory("..Uploads/"+newFile.FileId.ToString()); After that I will have to edit some fields and save again. Of course user might stop upload and I would have to delete it. I know I can write a stored procedure to get the next available FileID but some other upload happening at the same time would get the same number. So they would write in same directory which is a thing I don't want. Should I go on with this, would there be some problems? Can you think of a better way?

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  • Receiving a JSON string & saving one of the array paramaters to the database as a full string

    - by ElTren
    Hi I have a JSON string that looks like this (Usingt Rails and a REST service) { person: { name:"Pepe", last:"Smith" hats:[ { team:"lakers", color:"purple"}, { team:"heats", color:"red" }] } } I want to be able to able to get that JSON, and save the Person to the database, but I want to save the "hats".. as a string to the database; without parsing it or anything like that i.e. I want to save this to SQL: hats = "[ { team:"lakers", color:"purple"}, { team:"heats", color:"red" }] }" Is there a way to do this in rails?

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  • How do I display a dynamically resized image in Kohana without saving it?

    - by Ygam
    I have an image path string stored in a database It goes like: img/uploads/imagename.jpg I have a controller: $this->image = new Image($wines->image) //this is assuming that I have a wines table with the image property $this->image->resize(60, 250, Image::AUTO) echo $this->image->render(); //the problem is nothing is rendered //Is there a better way of doing this? the image path that I am passing at the Image object //instantiation is the result of a query

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  • How to adding a toolbar (like google traslate) to a webpage opened through a link for saving/process

    - by arunas_t
    Hello, lets say I have bunch of hyperlinks. When link is clicked, I'd like an opened page (in a separate window) to have a google-translator style toolbox that I could use to save the page to a localdisk if I liked it, adding a few tags to the database using php. I understand how to save a file using php, but could You help me with ideas as how to add a toolbar and to send request from toolbar to my processing page? Here's graphic representation of my question.

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  • upload an m4a file in flex, saving it as a blob in oracle, and retrieving metadata info from it

    - by Angus
    Hi, I currently have a FileUpload.mxml component that uploads a .m4a to an oracle database, retrieves metadata from the file and saves the metadata info in the database. to acheive this I use FileReference() and set up, amoung others, the dispatcher.addEventListener(DataEvent.UPLOAD_COMPLETE_DATA, completeHandler); So the file is posted to a php file which saves it as a blob. Once the blob is saved, the script sends a message back to flex to dispatch the upload_complete_data event. In the complete handler, the metadata is then retreived by reading the value back from the database into a custom made meta data reader. The metadata info is then saved via flex. This seems a little long winded. Has anyone else successfully achieved this using a different way?

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  • Is there a way put a timestamp in the file header automatically when saving in Eclipse?

    - by George
    I am a PHP developer using Eclipse PDT. I would like a timestamp put automatically in my file headers whenever I save the file. Maybe as a replacement of a variable. Let's say I use this header in a file: /** * ${filename} * ${timestamp} */ When I save the file I would this to be replaced with: /** * Myfile.php * 4/20/2010 19:04 */ It would also be ok if there is a macro that would add a line at the very beginning of the file just containing a timestamp. Anybody with an idea? Regards, George

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  • Best way for saving infinit playlists (arrays) into db? (php mySql)

    - by Ole Jak
    So client gives me a string like "1,23,23,abc,ggg,544,tf4," from user 12 . There can be infinit number of elements with no spaces just value,value,... structure. I have users table (with users uId(key), names etc). I have streams table with ( sId(key), externalID, etc values). User sends me externalId's. And I need to hawe externalId's in play list (not my sId's). I need some way to store such array into my DB and be able to get it from DB. I need to be able to do 2 things return such string back to user be able to get na array from it like {1; 23; 23; abc; ggg; 544; tf4;} So what is best method (best here means shourt(small amount of) code) to store such data into db to retrivew stored tata in bouth ways shown

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  • Creating a Contact form in Visual Studio ASPX and saving to an XML file when clicking SUBMIT

    - by user327137
    hey people hope all is well.. i am trying to create a form in VS using ASP that when upon submitting a form the details will get automatically stored in an xml file which can be accessed later on a chosen file save path i have 2 files ... "Contact.aspx" and "Contact.aspx.vb" i have created the form in the "Contact.aspx" and when trying to enter the fields in the "contact.aspx.vb" i keep getting several errors such as for example... Error 5 'Formatting' is not a member of 'System.Web.UI.WebControls.XmlBuilder' Error 6 'WriteStartDocument' is not a member of 'System.Web.UI.WebControls.XmlBuilder'. Error 7 'WriteComment' is not a member of 'System.Web.UI.WebControls.XmlBuilder'. Error 8 'WriteStartElement' is not a member of 'System.Web.UI.WebControls.XmlBuilder'. Error 10 'WriteAttributeString' is not a member of 'System.Web.UI.WebControls.XmlBuilder'. there is like 30 errors in total... im literally stuck out my head been trying for 2 days now and can't grasp what im doing wrong ive tried even some of the tutorials online but loads of errors... hope some1 can fix this thank you

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