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  • Displaying success/failure messages from hidden iframe submit

    - by Erik Nelson
    I'm using the hidden iframe method to submit a form with a file upload field. I want to display a message back on the page using javascript and I'm not sure how to do this. If this was just a form with text fields I'd do an AJAX post and respond with a message I'd display in my callback function. I'm just not sure how to accomplish this same task with the hidden iframe method since it is a standard form post.

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  • Partial view postback from a standard Html form with MVC

    - by fearofawhackplanet
    I have a file upload button on my MVC view. After the file is uploaded, my FileList partial view on the page should refresh. I tried to upload with Ajax.BeginForm(), but have discovered that Ajax will not submit file data. I've got the file upload working now by using the jQuery Form plugin, which lets you ajaxify the normal Html.BeginForm() submit method. Is is still possible to trigger the partial page update using this method?

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  • iPhone SDK: Know when tab on Tab Bar is clicked?

    - by Nic Hubbard
    I have a tab bar which displays different views when clicked. When you click a tab for the first time, it calls the viewDidLoad method. But, it only calls that the first time. Is there a method that is called when a user clicks back to that tab, since the viewDidLoad won't be called that second time? (I need to do this to update a UITableView when the user clicks back to a tab)

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  • CSS with PHP Extension ????

    - by raj
    hi everyone,,,plz helpl me out .. i want my css to recognise as mystyle.php but inside code would be of css , and i want to access it in my index.php page with header method ,i dont want to use Link method.

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  • Autofac wiring question - beginner

    - by user645788
    Beginners question: Given two classes: Myclass5 and Myclass6 how can one wire up following factory method (returned as Func) such that myclass5 and myclass6 instances and IMyClass that they depend on are all retrieved via autofac (assuming that these three instances are registered). public static MyClass4 FactoryMethod(int nu) { if (nu == 1) return new MyClass5(....); if (nu == 4) return new MyClass6(....); throw new NotImplementedException(); } public abstract class MyClass4 { } public class MyClass5 : MyClass4 { public MyClass5(int nu, IMyClass a) { } } public class MyClass6 : MyClass4 { public MyClass6(int nu, IMyClass a) { } }

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  • I'm new to OOP/PHP. What's the practicality of visibility and extensibility in classes?

    - by marcdev
    I'm obviously brand new to these concepts. I just don't understand why you would limit access to properties or methods. It seems that you would just write the code according to intended results. Why would you create a private method instead of simply not calling that method? Is it for iterative object creation (if I'm stating that correctly), a multiple developer situation (don't mess up other people's work), or just so you don't mess up your own work accidentally?

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  • How can you use optional parameters in C#?

    - by kurious
    We're building a web API that's programmatically generated from a C# class (the class has method "GetFooBar(int a, int b)" and the API has a method GetFooBar taking query params like &a=foo&b=bar. The classes needs to support optional parameters, which isn't supported in C# the language. What's the best approach?

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  • Play animation (storyboard) backwards

    - by drasto
    Is there a simple way to play some StoryBoad backward (reversed) ? As there is a method Storyboard.Begin() I would expect that there is some method like "Storyboard.BeginReversed()" but I cannot find it. If there is no way to play an animation backwards that I have to write for most of my animations complementary animations. That smells bad to me (code duplication of some kind). Basically I just animate a Grid that shows and than hides.

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  • What versions/flavors of WinZip can be opened by the gnu.java.util.zip.dll v.6.0.140.8?

    - by dreynold
    Evaluating a third party data processing tool, I have bumped into a case where some WinZip files cause an exception: Caused by: gnu.java.util.zip.ZipException: Unknown compression method 98 at gnu.java.util.zip.ZipFile.getInputStream(ZipFile.java:470) I have seen this with files created with WinZip 11.2 and newer. What's the latest version of WinZip (or compatible compression method) that the zip.dll can handle? I've been hunting for some reference on this, but other than unversioned source code, I have had little luck so far.

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  • stop ReconnectingClientFactory (XmlStreamFactory)

    - by defreng
    Hey guys, I tried to write a XMPP Client using this mentioned factories. Now my program only needs this connection during a short time. How can I make the Factory to stop reconnection attempts? Unfortunately stopTrying doesn't work. Do I have to disconnect running connections before? Any help would be appreciated :)

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  • while uploading image I get errors in logcat

    - by al0ne evenings
    I am uploading image and also sending some parameters with it. I am getting errors in my logcat while doing so. Here is my code public class Camera extends Activity { ImageView ivUserImage; Button bUpload; Intent i; int CameraResult = 0; Bitmap bmp; public String globalUID; UserFunctions userFunctions; String photoName; InputStream is; int serverResponseCode = 0; ProgressDialog dialog = null; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.camera); userFunctions = new UserFunctions(); globalUID = getIntent().getExtras().getString("globalUID"); Toast.makeText(getApplicationContext(), globalUID, Toast.LENGTH_LONG).show(); ivUserImage = (ImageView)findViewById(R.id.ivUserImage); bUpload = (Button)findViewById(R.id.bUpload); openCamera(); } private void openCamera() { i = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(i, CameraResult); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(resultCode == RESULT_OK) { //set image taken from camera on ImageView Bundle extras = data.getExtras(); bmp = (Bitmap) extras.get("data"); ivUserImage.setImageBitmap(bmp); //Create new Cursor to obtain the file Path for the large image String[] largeFileProjection = { MediaStore.Images.ImageColumns._ID, MediaStore.Images.ImageColumns.DATA }; String largeFileSort = MediaStore.Images.ImageColumns._ID + " DESC"; //final String photoName = MediaStore.Images.ImageColumns.BUCKET_DISPLAY_NAME; Cursor myCursor = this.managedQuery(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, largeFileProjection, null, null, largeFileSort); try { myCursor.moveToFirst(); //This will actually give you the file path location of the image. final String largeImagePath = myCursor.getString(myCursor.getColumnIndexOrThrow(MediaStore.Images.ImageColumns.DATA)); //final String photoName = myCursor.getString(myCursor.getColumnIndexOrThrow(MediaStore.Images.ImageColumns.BUCKET_DISPLAY_NAME)); //Log.e("URI", largeImagePath); File f = new File("" + largeImagePath); photoName = f.getName(); bUpload.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { dialog = ProgressDialog.show(Camera.this, "", "Uploading file...", true); new Thread(new Runnable() { public void run() { runOnUiThread(new Runnable() { public void run() { //tv.setText("uploading started....."); Toast.makeText(getBaseContext(), "File is uploading...", Toast.LENGTH_LONG).show(); } }); if(imageUpload(globalUID, largeImagePath)) { Toast.makeText(getApplicationContext(), "Image uploaded", Toast.LENGTH_LONG).show(); } else { Toast.makeText(getApplicationContext(), "Error uploading image", Toast.LENGTH_LONG).show(); } //Log.e("Response: ", response); //System.out.println("RES : " + response); } }).start(); } }); } finally { myCursor.close(); } //Uri uriLargeImage = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, String.valueOf(imageId)); //String imageUrl = getRealPathFromURI(uriLargeImage); } } public boolean imageUpload(String uid, String imagepath) { boolean success = false; //Bitmap bitmapOrg = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher); Bitmap bitmapOrg = BitmapFactory.decodeFile(imagepath); ByteArrayOutputStream bao = new ByteArrayOutputStream(); bitmapOrg.compress(Bitmap.CompressFormat.JPEG, 90, bao); byte [] ba = bao.toByteArray(); String ba1=Base64.encodeToString(ba, 0); ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); nameValuePairs.add(new BasicNameValuePair("image",ba1)); nameValuePairs.add(new BasicNameValuePair("uid", uid)); try { HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://www.example.info/androidfileupload/index.php"); httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); HttpResponse response = httpclient.execute(httppost); HttpEntity entity = response.getEntity(); if(response != null) { success = true; } is = entity.getContent(); } catch(Exception e) { Log.e("log_tag", "Error in http connection "+e.toString()); } dialog.dismiss(); return success; } Here is my logcat 06-23 11:54:48.555: E/AndroidRuntime(30601): FATAL EXCEPTION: Thread-11 06-23 11:54:48.555: E/AndroidRuntime(30601): java.lang.OutOfMemoryError 06-23 11:54:48.555: E/AndroidRuntime(30601): at java.lang.String.<init>(String.java:513) 06-23 11:54:48.555: E/AndroidRuntime(30601): at java.lang.AbstractStringBuilder.toString(AbstractStringBuilder.java:650) 06-23 11:54:48.555: E/AndroidRuntime(30601): at java.lang.StringBuilder.toString(StringBuilder.java:664) 06-23 11:54:48.555: E/AndroidRuntime(30601): at org.apache.http.client.utils.URLEncodedUtils.format(URLEncodedUtils.java:170) 06-23 11:54:48.555: E/AndroidRuntime(30601): at org.apache.http.client.entity.UrlEncodedFormEntity.<init>(UrlEncodedFormEntity.java:71) 06-23 11:54:48.555: E/AndroidRuntime(30601): at com.zafar.login.Camera.imageUpload(Camera.java:155) 06-23 11:54:48.555: E/AndroidRuntime(30601): at com.zafar.login.Camera$1$1.run(Camera.java:119) 06-23 11:54:48.555: E/AndroidRuntime(30601): at java.lang.Thread.run(Thread.java:1019) 06-23 11:54:53.960: E/WindowManager(30601): Activity com.zafar.login.DashboardActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@405db540 that was originally added here 06-23 11:54:53.960: E/WindowManager(30601): android.view.WindowLeaked: Activity com.zafar.login.DashboardActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@405db540 that was originally added here 06-23 11:54:53.960: E/WindowManager(30601): at android.view.ViewRoot.<init>(ViewRoot.java:266) 06-23 11:54:53.960: E/WindowManager(30601): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:174) 06-23 11:54:53.960: E/WindowManager(30601): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:117) 06-23 11:54:53.960: E/WindowManager(30601): at android.view.Window$LocalWindowManager.addView(Window.java:424) 06-23 11:54:53.960: E/WindowManager(30601): at android.app.Dialog.show(Dialog.java:241) 06-23 11:54:53.960: E/WindowManager(30601): at android.app.ProgressDialog.show(ProgressDialog.java:107) 06-23 11:54:53.960: E/WindowManager(30601): at android.app.ProgressDialog.show(ProgressDialog.java:90) 06-23 11:54:53.960: E/WindowManager(30601): at com.zafar.login.Camera$1.onClick(Camera.java:110) 06-23 11:54:53.960: E/WindowManager(30601): at android.view.View.performClick(View.java:2538) 06-23 11:54:53.960: E/WindowManager(30601): at android.view.View$PerformClick.run(View.java:9152) 06-23 11:54:53.960: E/WindowManager(30601): at android.os.Handler.handleCallback(Handler.java:587) 06-23 11:54:53.960: E/WindowManager(30601): at android.os.Handler.dispatchMessage(Handler.java:92) 06-23 11:54:53.960: E/WindowManager(30601): at android.os.Looper.loop(Looper.java:130) 06-23 11:54:53.960: E/WindowManager(30601): at android.app.ActivityThread.main(ActivityThread.java:3691) 06-23 11:54:53.960: E/WindowManager(30601): at java.lang.reflect.Method.invokeNative(Native Method) 06-23 11:54:53.960: E/WindowManager(30601): at java.lang.reflect.Method.invoke(Method.java:507) 06-23 11:54:53.960: E/WindowManager(30601): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:907) 06-23 11:54:53.960: E/WindowManager(30601): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:665) 06-23 11:54:53.960: E/WindowManager(30601): at dalvik.system.NativeStart.main(Native Method) 06-23 11:54:55.190: I/Process(30601): Sending signal. PID: 30601 SIG: 9

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  • Base32 Decoding

    - by trampster
    I have a base32 string which I need to convert to a byte array. And I'm having trouble finding a conversion method in the .net framework. I can find methods for base64 but not for base32. Convert.FromBase64String – something like this for base32 would be perfect. Is there such a method in the framework or do I have to roll my own?

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  • Check if something is a list

    - by 8EM
    What is the easiest way to check if something is a list? A method doSomething has the parameters a and b. In the method, it will loop through the list a and do something. I'd like a way to make sure a is a list, before looping through - thus avoiding an error or the unfortunate circumstance of passing in a string then getting back each letter. This question must have been asked before - however my googles failed me. Cheers.

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  • Get query from java.sql.PreparedStatement

    - by llm
    In my code I am using java.sql.PreparedStatement. I then execute the setString() method to populate the wildcards of the prepared statement. Is there a way for me to retrieve (and print out) the final query before the executeQuery() method is called and the query is executed? I Just want this for debugging purposes. Thanks.

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  • GUI and Threading

    - by cam
    Isn't there a better way to handle GUI (WinForms) from another thread than creating a delegate for every single method I need to use? It seems like there would be a better way. Here's the current code I use for every single GUI method: private delegate void SetStatusTextDelegate(string set_text); public void SetStatusText(string set_text) { if (status_prog.InvokeRequired) { status_prog.Invoke(new SetStatusTextDelegate(SetStatusText), set_text); } else { status_prog.Text = set_text; } }

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  • How to check whether the tab is active or not in JTabbedPane?

    - by Supereme
    Hi, How to check whether a tab in JTabbedPane instance is active or not, in the class of the tab(nested class) itself and not in the enclosing class? I know that there is a method 'booloean isEnabledAt(int index)'; but this method can only be called in the enclosing class whereas I want to check whether the tab is currently selected or not in the tab class (nested class) itself. Can anybody please suggest me something? Thank you!

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  • What is the best way to declare sorted association in grails domain classes ?

    - by fabien7474
    It seems that there are two different ways of declaring sorted associations in Grails : Method 1 (see here) using default sort order class Book { String title } class Author { static hasMany = [books : Book] static mapping = { books sort: "title"} } Method 2 (see here) using SortedSet class Book implements Comparable { String title int compareTo(obj) { title <=> obj.title } } class Author { SortedSet books static hasMany = [books : Book] } I am not sure which one to use and what is the difference (if any), pros and cons between using one against the other. I would appreciate any clarification. Thank you

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  • ASP.NET MVC: How can I explain an invalid type violation to an end-user with Html.ValidationSummary?

    - by Terminal Frost
    Serious n00b warning here; please take mercy! So I finished the Nerd Dinner MVC Tutorial and I'm now in the process of converting a VB.NET application to ASP.NET MVC using the Nerd Dinner program as a sort of rough template. I am using the "IsValid / GetRuleViolations()" pattern to identify invalid user input or values that violate business rules. I am using LINQ to SQL and am taking advantage of the "OnValidate()" hook that allows me to run the validation and throw an application exception upon trying to save changes to the database via the CustomerRepository class. Anyway, everything works well, except that by the time the form values reach my validation method invalid types have already been converted to a default or existing value. (I have a "StreetNumber" property that is an integer, though I imagine this would be a problem for DateTime or any other non-strings as well.) Now, I am guessing that the UpdateModel() method throws an exception and then alters the value because the Html.ValidationMessage is displayed next to the StreetNumber field but my validation method never sees the original input. There are two problems with this: While the Html.ValidationMessage does signal that something is wrong, there is no corresponding entry in the Html.ValidationSummary. If I could even get the exception message to show up there indicating an invalid cast or something that would be better than nothing. My validation method which resides in my Customer partial class never sees the original user input so I do not know if the problem is a missing entry or an invalid type. I can't figure out how I can keep my validation logic nice and neat in one place and still get access to the form values. I could of course write some logic in the View that processes the user input, however that seems like the exact opposite of what I should be doing with MVC. Do I need a new validation pattern or is there some way to pass the original form values to my model class for processing? CustomerController Code // POST: /Customers/Edit/[id] [AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(int id, FormCollection formValues) { Customer customer = customerRepository.GetCustomer(id); try { UpdateModel(customer); customerRepository.Save(); return RedirectToAction("Details", new { id = customer.AccountID }); } catch { foreach (var issue in customer.GetRuleViolations()) ModelState.AddModelError(issue.PropertyName, issue.ErrorMessage); } return View(customer); }

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  • Add to SortedSet<T> and its complexity

    - by Andrei Taptunov
    MSDN states the following SortedSet(T).Add Method : If Count is less than the capacity of the internal array, this method is an O(1) operation. Could someone please explain "how so"? I mean when adding new value we need to find a correct place to add a value (comparing it with another values) and internal implementation looks like a "Red-Black tree" with O (log N) insertion complexity.

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  • how to define a structural type that refers to itself?

    - by IttayD
    I want to create a method sum that I can call on different types, specifically sum(1,2). def sum[A](a1: A, a2: A) = a1 + a2 This fails because the compiler can't tell if A has a method '+' I tried to define a structural type: type Addable = {def +(a: Addable)} This fails because of an illegal cyclic reference How can I achieve this in a type safe way without requiring A to extend a specific trait?

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