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  • Java Spotlight Episode 57: Live From #Devoxx - Ben Evans and Martijn Verburg of the London JUG with Yara Senger of SouJava

    - by Roger Brinkley
    Tweet Live from Devoxx 11,  an interview with Ben Evans and Martijn Verburg from the London JUG along with  Yara Senger from the SouJava JUG on the JCP Executive Committee Elections, JSR 248, and Adopt-a-JSR program. Both the London JUG and SouJava JUG are JCP Standard Edition Executive Committee Members. Joining us this week on the Java All Star Developer Panel are Geertjan Wielenga, Principal Product Manger in Oracle Developer Tools; Stephen Chin, Java Champion and Java FX expert; and Antonio Goncalves, Paris JUG leader. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link: Java Spotlight Podcast in iTunes. Show Notes News Netbeans 7.1 JDK 7 upgrade tools Netbeans First Patch Program OpenJFX approved as an OpenJDK project Devoxx France April 18-20, 2012 Events Nov 22-25, OTN Developer Days in the Nordics Nov 22-23, Goto Conference, Prague Dec 6-8, Java One Brazil, Sao Paulo Feature interview Ben Evans has lived in "Interesting Times" in technology - he was the lead performance testing engineer for the Google IPO, worked on the initial UK trials of 3G networks with BT, built award-winning websites for some of Hollywood's biggest hits of the 90s, rearchitected and reimagined technology helping some of the most vulnerable people in the UK and has worked on everything from some of the UKs very first ecommerce sites, through to multi-billion dollar currency trading systems. He helps to run the London Java Community, and represents the JUG on the Java SE/EE Executive Committee. His first book "The Well-Grounded Java Developer" (with Martijn Verburg) has just been published by Manning. Martijn Verburg (aka 'the Diabolical Developer') herds Cats in the Java/open source communities and is constantly humbled by the creative power to be found there. Currently he resides in London where he co-leads the London JUG (a JCP EC member), runs a couple of open source projects & drinks too much beer at his local pub. You can find him online moderating at the Javaranch or discussing (ranting?) subjects on the Prgorammers Stack Exchange site. Most recently he's become a regular speaker at conferences on Java, open source and software development and has recently wrapped up his first Manning title - "The Well-Grounded Java Developer" with his co-author Ben Evans. Yara Senger is the partner and director of teacher education and Globalcode, graduated from the University of Sao Paulo, Sao Carlos, has significant experience in Brazil and abroad in developing solutions to critical Java. She is the co-creator of Java programs Academy and Academy of Web Developer, accumulating over 1000 hours in the classroom teaching Java. She currently serves as the President of Sou Java. In this interview Ben, Martijn, and Yara talk about the JCP Executive Committee Elections, JSR 348, and the Adopt-a-JSR program. Mail Bag What's Cool Show Transcripts Transcript for this show is available here when available.

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  • How do you update live web sites with code changes?

    - by Aaron Anodide
    I know this is a very basic question. If someone could humor me and tell me how they would handle this, I'd be greatful. I decided to post this because I am about to install SynchToy to remedy the issue below, and I feel a bit unprofessional using a "Toy" but I can't think of a better way. Many times I find when I am in this situation, I am missing some painfully obvious way to do things - this comes from being the only developer in the company. ASP.NET web application developed on my computer at work Solution has 2 projects: Website (files) WebsiteLib (C#/dll) Using a Git repository Deployed on a GoGrid 2008R2 web server Deployment: Make code changes. Push to Git. Remote desktop to server. Pull from Git. Overwrite the live files by dragging/dropping with windows explorer. In Step 5 I delete all the files from the website root.. this can't be a good thing to do. That's why I am about to install SynchToy... UPDATE: THANKS for all the useful responses. I can't pick which one to mark answer - between using a web deployment - it looks like I have several useful suggesitons: Web Project = whole site packaged into a single DLL - downside for me I can't push simple updates - being a lone developer in a company of 50, this remains something that is simpler at times. Pulling straight from SCM into web root of site - i originally didn't do this out of fear that my SCM hidden directory might end up being exposed, but the answers here helped me get over that (although i still don't like having one more thing to worry about forgetting to make sure is still true over time) Using a web farm, and systematically deploying to nodes - this is the ideal solution for zero downtime, which is actually something I care about since the site is essentially a real time revenue source for my company - i might have a hard time convincing them to double the cost of the servers though. -- finally, the re-enforcement of the basic principal that there needs to be a single click deployment for the site OR ELSE THERE SOMETHING WRONG is probably the most useful thing I got out of the answers. UPDATE 2: I thought I come back to this and update with the actual solution that's been in place for many months now and is working perfectly (for my single web server solution). The process I use is: Make code changes Push to Git Remote desktop to server Pull from Git Run the following batch script: cd C:\Users\Administrator %systemroot%\system32\inetsrv\appcmd.exe stop site "/site.name:Default Web Site" robocopy Documents\code\da\1\work\Tree\LendingTreeWebSite1 c:\inetpub\wwwroot /E /XF connectionsconfig Web.config %systemroot%\system32\inetsrv\appcmd.exe start site "/site.name:Default Web Site" As you can see this brings the site down, uses robocopy to intelligently copy the files that have changed then brings the site back up. It typically runs in less than 2 seconds. Since peak traffic on this site is about 2 requests per second, missing 4 requests per site update is acceptable. Sine I've gotten more proficient with Git I've found that the first four steps above being a "manual process" is also acceptable, although I'm sure I could roll the whole thing into a single click if I wanted to. The documentation for AppCmd.exe is here. The documentation for Robocopy is here.

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  • Ruby on rails: Image downloads with Authentication/Authorization/Time outs

    - by ak1dnar
    Hi Guys, I'm having few doubts on implementing file downloads. I'm creating an app where I use attachment_fu with Amazon s3 to upload files. Things are working pretty well so far on uploading side. Now its the time to start the file downloads. Here is what I need, a logged in user search and browse for Images and they should able to add the files in to a download basket (Let's say its a Download Shopping Cart). Finally the user should be able to download these file(s) from S3 probably as a zipped file. Is there any plugin/gem where I can use for this?

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  • How do I move an image (ImageView) in AbsoluteLayout to X Y [android]

    - by Maneesh
    my main.xml look like this: <AbsoluteLayout android:id="@+id/AbsoluteLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <ImageView android:layout_height="wrap_content" android:layout_x="247dip" android:layout_width="wrap_content" android:layout_y="96dip" android:id="@+id/Ball" android:src="@drawable/ball"/> </AbsoluteLayout> And Java ball = (ImageView) findViewById(R.id.Ball); How do I do if I whant to move the ball from x=247dip y=96dip to x=100 and y=100 while my app is running?

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  • Android Get Image Uri from Camera

    - by josnidhin
    Hi I have an application that calls the android phone's default camera to take photo the following is my code. Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(intent, TAKE_PICTURE); and in the onActivityResult method I am doing the following if ((requestCode == TAKE_PICTURE) && (resultCode == Activity.RESULT_OK)) { Uri photoPath = intent.getData(); // do something with the uri here } The above code works fine on htc Tatto and Sony ericsson's x10 running 1.6 but in on htc G1 running 1.6 the above code causes the following exception 03-08 18:54:25.906: ERROR/AndroidRuntime(4344): Uncaught handler: thread main exiting due to uncaught exception 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { act=inline-data (has extras) }} to activity removed java.lang.NullPointerException 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.ActivityThread.deliverResults(ActivityThread.java:3224) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3266) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.ActivityThread.access$2600(ActivityThread.java:116) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1823) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.os.Handler.dispatchMessage(Handler.java:99) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.os.Looper.loop(Looper.java:123) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.ActivityThread.main(ActivityThread.java:4203) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at java.lang.reflect.Method.invokeNative(Native Method) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at java.lang.reflect.Method.invoke(Method.java:521) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at dalvik.system.NativeStart.main(Native Method) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): Caused by: java.lang.NullPointerException 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at removed 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.Activity.dispatchActivityResult(Activity.java:3624) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): at android.app.ActivityThread.deliverResults(ActivityThread.java:3220) 03-08 18:54:25.966: ERROR/AndroidRuntime(4344): ... 11 more Any insights into how to solve this problem. Thank you.

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  • problem in display image with loadDataWithBaseURL() in Android

    - by Addy
    Hi. In my Application, I display data in webview but it can't display the images in the webview. I used loadDatawithBaseURL() method. This is my code.. webview.loadDataWithBaseURL("file:///059600656X/", data, "text/html", "UTF-8", "about:blank"); // here data is a string object which contain html parsing data. I think it cant find the images in given directory. Can Anybody help me?

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  • Jquery cycle plugin image resizing issue opera

    - by Sam Gregory
    I am using the cycle plugin within Joomla and it works fine on IE6,FF,SAFARI,CHROME however when you view it in OPERA breaking happens. It loads fine but when it brings in the next slide and every consequent slide after that it re-sizes them to what i can only assume to be the browswe window's width and height. here's my javascript <script type="text/javascript"> $('.fullScreen').cycle({ speed: 1000, timeout: 100 }); </script> css <script type="text/css"> .fullScreen { margin-left: 0px; height: 355px; clear: both; width: 475px; z-index: -1; overflow: hidden; } </script> and finally HTML <div class="fullscreen"> <img width="475px" src="images/someimage1.jpg" /> <img width="475px" src="images/someimage2.jpg" /> <img width="475px" src="images/someimage3.jpg" /> </div> hope I'm not the only one having this problem.

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  • jQuery to select where no children or first child is not image

    - by hacker
    I'm trying to dynamically style some elements on my pages. So, if I had the following code: <a href="#"> Select Me </a> <a href="#"> <img src="blah.jpg" /> Don't select me </a> <a href="#"> <div>Don't select me either</div> <img src="blah.jpg" /> </a> <a href="#"> <div>You can select me too.</div> </a> I would like it to select the first and fourth tags. From what I could tell, by using: $("a:first-child") Won't select the first tag because it doesn't have any children (just text). The second tag should not get selected so something like: $("a:first-child").not("img) but that leaves out the first item. EDIT: If there is an IMG anywhere in the A element, don't select it.

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  • django admin: Add a "remove file" field for Image- or FileFields

    - by w-
    I was hunting around the net for a way to easily allow users to blank out imagefield/filefields they have set in the admin. I found this http://www.djangosnippets.org/snippets/894/ What was really interesting to me here was the code posted in the comment by rfugger remove_the_file = forms.BooleanField(required=False) def save(self, *args, **kwargs): object = super(self.__class__, self).save(*args, **kwargs) if self.cleaned_data.get('remove_the_file'): object.the_file = '' return object When i try to use this in my own form I basically added this to my admin.py which already had a BlahAdmin class BlahModelForm(forms.ModelForm): class Meta: model = Blah remove_img01 = forms.BooleanField(required=False) def save(self, *args, **kwargs): object = super(self.__class__, self).save(*args, **kwargs) if self.cleaned_data.get('remove_img01'): object.img01 = '' return object when i run it I get this error maximum recursion depth exceeded while calling a Python object at this line object = super(self.__class__, self).save(*args, **kwargs) When i think about it for a bit, it seems obvious that it is just infinitely calling itself causing the error. My problem is i can't figure out what is the correct way i should be doing this. Any suggestions? thanks

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  • Correct flip/mirror of pixels of an image?

    - by igor
    http://tinypic.com/r/fwubzc/5 That shows what a flip should be and what a mirror should be. Code for both types of mirrors: void mirrorLeftRight() { for (int x = 0; x < width/2; x++) { for (int y = 0; y < height; y++) { int temp = pixelData[x][y]; pixelData[x][y]=pixelData[width-x][y] pixelData[width-x][y]=temp; } } } void mirrorUpDown() { for (int x = 0; x < width; x++) { for (int y = 0; y < height/2; y++) { int temp = pixelData[x][y]; pixelData[x][y]=pixelData[x][height-y] pixelData[x][height-y]=temp; } } } Does this seem right for mirrors? And for flip, just a matter of using width and height w/o dividing by 2?

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  • jquery stop image rotation on mouseover, start on mouseout / hover

    - by Matt Nathanson
    I have built a jQuery rotator to rotate through 3 divs and loop them. I would like to add the functionality on mouse over to "freeze" the current div and then start again on mouse out. I've thought about setting a variable to false at the start of the function and setting it true when it's on it's current frame but I've got my self a bit confused. I've also tried to use the hover function but when using the in and out handlers, I'm confused as to how to stop, restart the animation. function ImageRotate() { var CurrentFeature = "#container" + featureNumber; $(CurrentFeature).stop(false, true).delay(4500).animate({'top' : '330px'}, 3000); var featureNumber2 = featureNumber+1; if ( featureNumber == numberOfFeatures) {featureNumber2 = 1} var NewFeature = "#container" + featureNumber2; $(NewFeature).stop(false, true).delay(4500).animate({'top' : '0px'}, 3000); var featureNumber3 = featureNumber-1; if ( featureNumber == 1) {featureNumber3 = numberOfFeatures}; var OldFeature = "#container" + featureNumber3; $(OldFeature).stop(false, true).delay(4500).css('top' , '-330px'); setTimeout('if (featureNumber == numberOfFeatures){featureNumber = 1} else {featureNumber++}; ImageRotate2()', 7500)}; Any help would be greatly appreciated!! Thanks, Matt

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  • Change the background image of a Button when pressed using VisualStateManager

    - by Thomas Joulin
    I have this button : <Button x:Name="PrevAdIcon" Tag="-1" Visibility="Collapsed" Width="80" Height="80" Click="PrevAd"> <Button.Background> <ImageBrush AlignmentY="Top" Stretch="None" ImageSource="/Images/prev.png"></ImageBrush> </Button.Background> </Button> How can I change the background to /Images/prev-selected.png when a user pressed the button ? It'll give him a feedback, since it's a WP7 app what I have so far (not working) : <vsm:VisualState x:Name="Pressed"> <Storyboard> <ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Duration="00:00:00.0010000" Storyboard.TargetName="Background" Storyboard.TargetProperty="Background"> <DiscreteObjectKeyFrame KeyTime="0"> <DiscreteObjectKeyFrame.Value> <ImageBrush ImageSource="/Images/prev-selected.png" Stretch="Fill"/> </DiscreteObjectKeyFrame.Value> </DiscreteObjectKeyFrame> </ObjectAnimationUsingKeyFrames> </Storyboard> </vsm:VisualState>

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  • TwitPic Multiple image upload

    - by Tim Karen
    Has anybody experienced Timeout error with TwitPic API using ASIFormDataRequest when uploading multiple images? Status updates without images are fine. I was trying to upload the exact same 2 images. The first request went through fine, but the second one was timeout. It also happens when multiple images are uploaded, some went through, but some didn't. It's happening randomly and I have no idea how to debug it anymore.

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  • Html table to csv table with image

    - by Joseph
    How to export this html table in to CSV example table: i want this table to be exported to csv .so how to achieve using JQUERY? <html> <body bgcolor="cyan"> <table border="1" align="center" > <br><a href="imp2.csv">Click Here To View In CSV format</a><img src="up.jpg" align="middle" width="39" height="32" /> <tr> <th>ID</th> <th>Name</th> <th>Month</th> <th>Savings</th> </tr> </table> </body> </html> Thanks Joseph

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  • IE7 Image float bug.

    - by wilwaldon
    http://wilwaldon.com/ie7bug/test1.php Notice the middle column, the images are supposed to float left, they do in every browser but IE7. I've never encountered this problem before and have no idea what's going on with it. Any ideas that would point me in the right direction would be greatly appreciated, thank you.

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  • iPhone:How to set background image for tablerow cell?

    - by user187532
    Hello all, I want to put some background image for TableView row cell. I am using the following code: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { ..................... ................... UIImage * backgroundImage = [UIImage imageNamed:@"cell.png"]; UIColor *backgroundColor = [[UIColor alloc] initWithPatternImage:backgroundImage]; cell.opaque = NO; cell.contentView.opaque = NO; cell.backgroundColor = [UIColor clearColor]; cell.backgroundColor = backgroundColor; //cell.contentView.backgroundColor = [UIColor clearColor]; //cell.contentView.backgroundColor = backgroundColor; } But it is not giving the background image properly. Could someone guide me what is the proper ways of setting background image for a tableview row? Note: I'm also setting background image for my TableView as well using the below code: UIImage * backgroundImage = [UIImage imageNamed:@"Tablebackground.png"]; UIColor *backgroundColor = [[UIColor alloc] initWithPatternImage:backgroundImage]; self.myTableView.backgroundColor = [UIColor clearColor]; self.myTableView.alpha = 0.9; self.myTableView.backgroundColor = backgroundColor; I don't observe any problem for tableview background. Only thing here is, tableview background image is not being static, when scrolling happening, image is also scrolling. But i want to know first how to set background image for Tableview row cell? Thank you.

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  • (C#, WinForms) How to assign an accessibility attribute to an image in ImageList

    - by Yaniv
    Hi all, I'm trying to find a way to make a screen-reader (like JAWS) to read out loud some text that is assigned to images in ImageList. In other controls (like PushButton) there is "AccessibleName" property, that when contains text, it's being read by JAWS. the ImageList consists of four icons that represent priorities, and no text is displayed near them. Is it possible to do it? Can you think of any other creative solution? Thanks, Yaniv.

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  • Basic image processing question

    - by indoman
    Can you enlarge a feature so that rather than take up a certain number of pixels it actually takes up one or two times that many to make it easier to analyze? Would there be a way to generalize that in MATLAB?

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  • detect face from image and crop face from that photo

    - by Siddhpura Amit
    I have done coding in that i am successfully getting face with rectangle drawing now i want to crop that rectangle area. if there are many rectangle( mean many faces) than user can select one of the face or rectangle and that rectangle areal should be cropped can any body help me... Below is my code class AndroidFaceDetector extends Activity { public String path; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Bundle bundle = this.getIntent().getExtras(); path = bundle.getString("mypath"); setContentView(new myView(this)); } class myView extends View { private int imageWidth, imageHeight; private int numberOfFace = 5; private FaceDetector myFaceDetect; private FaceDetector.Face[] myFace; float myEyesDistance; int numberOfFaceDetected; Bitmap myBitmap; public myView(Context context) { super(context); System.out.println("CONSTRUCTOR"); System.out.println("path = "+path); if (path != null) { BitmapFactory.Options BitmapFactoryOptionsbfo = new BitmapFactory.Options(); BitmapFactoryOptionsbfo.inPreferredConfig = Bitmap.Config.RGB_565; myBitmap = BitmapFactory.decodeFile(path, BitmapFactoryOptionsbfo); imageWidth = myBitmap.getWidth(); imageHeight = myBitmap.getHeight(); myFace = new FaceDetector.Face[numberOfFace]; myFaceDetect = new FaceDetector(imageWidth, imageHeight, numberOfFace); numberOfFaceDetected = myFaceDetect.findFaces(myBitmap, myFace); } else { Toast.makeText(AndroidFaceDetector.this, "Please Try again", Toast.LENGTH_SHORT).show(); } } @Override protected void onDraw(Canvas canvas) { System.out.println("ON DRAW IS CALLED"); if (myBitmap != null) { canvas.drawBitmap(myBitmap, 0, 0, null); Paint myPaint = new Paint(); myPaint.setColor(Color.GREEN); myPaint.setStyle(Paint.Style.STROKE); myPaint.setStrokeWidth(3); for (int i = 0; i < numberOfFaceDetected; i++) { Face face = myFace[i]; PointF myMidPoint = new PointF(); face.getMidPoint(myMidPoint); myEyesDistance = face.eyesDistance(); canvas.drawRect((int) (myMidPoint.x - myEyesDistance), (int) (myMidPoint.y - myEyesDistance), (int) (myMidPoint.x + myEyesDistance), (int) (myMidPoint.y + myEyesDistance), myPaint); } } } } }

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  • C# How to set source path of image within html pages to show in webbrowser control

    - by Royson
    Hi in my application there is web browser control to show some static html pages. The pages are displayed properly. but images are not displayed.. I tried with changing src-path but no success. my htmlpages folder is located at bin folder. And i am assigning it as. FileStream source = new FileStream(@"..\HtmlPages\supportHtml.html", FileMode.Open, FileAccess.Read); if i open html files in browser, the images are displayed properly.. So, What is the correct path for images..?? If i set full path to src attribute of <img> tag..it works. but i think its not a proper way. :(

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  • Upload Image with Django Model Form

    - by jmitchel3
    I'm having difficulty uploading the following model with model form. I can upload fine in the admin but that's not all that useful for a project that limits admin access. #Models.py class Profile(models.Model): name = models.CharField(max_length=128) user = models.ForeignKey(User) profile_pic = models.ImageField(upload_to='img/profile/%Y/%m/') #views.py def create_profile(request): try: profile = Profile.objects.get(user=request.user) except: pass form = CreateProfileForm(request.POST or None, instance=profile) if form.is_valid(): new = form.save(commit=False) new.user = request.user new.save() return render_to_response('profile.html', locals(), context_instance=RequestContext(request)) #Profile.html <form enctype="multipart/form-data" method="post">{% csrf_token %} <tr><td>{{ form.as_p }}</td></tr> <tr><td><button type="submit" class="btn">Submit</button></td></tr> </form> Note: All the other data in the form saves perfectly well, the photo does not upload at all. Thank you for your help!

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  • C# How to set source path of image within html pages to show in webbrowser control

    - by Royson
    Hi in my application there is web browser control to show some static html pages. The pages are displayed properly. but images are not displayed.. I tried with changing src-path but no success. my html file is located at bin folder. And i am assigning it as. FileStream source = new FileStream(@"..\HtmlPages\supportHtml.html", FileMode.Open, FileAccess.Read); if i open html files in browser, the images are displayed properly.. So, What is the correct path for images..?? If i set full path to src attribute of <img> tag..it works. but i think its not a proper way. :(

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