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• Weird internet connection issue on Ubuntu 14.04

  - by user287876

  I have an old Gateway PC with Windows 7 installed alongside the original (XP, I think?). A while ago my friend walked me through and helped me install Ubuntu 14.04 alongside the others because my Win7 was having issues with the display driver (it would unexpectedly crash while trying to watch videos on YouTube or other places). And I can't update it because the original computer settings are for XP or something, not Win7. :( We recently switched from AT&T U-Verse to Comcast. I would have stayed with Ethernet, but somehow the adapter I have wouldn't connect to Comcast's thing during their installation. So I was given a wireless USB adapter. It worked fine, up until the last few days. It's not a problem on Win7 (using it right now). Connection's strong, things load. On Ubuntu though, it SAYS it connects even before I login to my account, but when I login and bring up Firefox, it will load the homepage, and maybe one or two other pages I venture to before suddenly just... endlessly trying to load the page. I would normally go in and manually select 'disconnect' from the connections options menu to refresh/restart it like I've done a few times already. But lately, it won't respond, and then a little while later an error message comes up saying the request timed out/failed. Restarting my computer doesn't help it. The other weird thing is that I've noticed the signal (when it's actually working properly before the last few days) is comparitively weaker than when I'm on Win7. But my location doesn't change. It's the same computer, same connection.

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• Deserializing Metafile

  - by Kildareflare

  I have an application that works with Enhanced Metafiles. I am able to create them, save them to disk as .emf and load them again no problem. I do this by using the gdi32.dll methods and the DLLImport attribute. However, to enable Version Tolerant Serialization I want to save the metafile in an object along with other data. This essentially means that I need to serialize the metafile data as a byte array and then deserialize it again in order to reconstruct the metafile. The problem I have is that the deserialized data would appear to be corrupted in some way, since the method that I use to reconstruct the Metafile raises a "Parameter not valid exception". At the very least the pixel format and resolutions have changed. Code use is below. [DllImport("gdi32.dll")] public static extern uint GetEnhMetaFileBits(IntPtr hemf, uint cbBuffer, byte[] lpbBuffer); [DllImport("gdi32.dll")] public static extern IntPtr SetEnhMetaFileBits(uint cbBuffer, byte[] lpBuffer); [DllImport("gdi32.dll")] public static extern bool DeleteEnhMetaFile(IntPtr hemf); The application creates a metafile image and passes it to the method below. private byte[] ConvertMetaFileToByteArray(Image image) { byte[] dataArray = null; Metafile mf = (Metafile)image; IntPtr enhMetafileHandle = mf.GetHenhmetafile(); uint bufferSize = GetEnhMetaFileBits(enhMetafileHandle, 0, null); if (enhMetafileHandle != IntPtr.Zero) { dataArray = new byte[bufferSize]; GetEnhMetaFileBits(enhMetafileHandle, bufferSize, dataArray); } DeleteEnhMetaFile(enhMetafileHandle); return dataArray; } At this point the dataArray is inserted into an object and serialized using a BinaryFormatter. The saved file is then deserialized again using a BinaryFormatter and the dataArray retrieved from the object. The dataArray is then used to reconstruct the original Metafile using the following method. public static Image ConvertByteArrayToMetafile(byte[] data) { Metafile mf = null; try { IntPtr hemf = SetEnhMetaFileBits((uint)data.Length, data); mf = new Metafile(hemf, true); } catch (Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message); } return (Image)mf; } The reconstructed metafile is then saved saved to disk as a .emf (Model) at which point it can be accessed by the Presenter for display. private static void SaveFile(Image image, String filepath) { try { byte[] buffer = ConvertMetafileToByteArray(image); File.WriteAllBytes(filepath, buffer); //will overwrite file if it exists } catch (Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message); } } The problem is that the save to disk fails. If this same method is used to save the original Metafile before it is serialized everything is OK. So something is happening to the data during serialization/deserializtion. Indeed if I check the Metafile properties in the debugger I can see that the ImageFlags, PropertyID, resolution and pixelformats change. Original Format32bppRgb changes to Format32bppArgb Original Resolution 81 changes to 96 I've trawled though google and SO and this has helped me get this far but Im now stuck. Does any one have enough experience with Metafiles / serialization to help..? EDIT: If I serialize/deserialize the byte array directly (without embedding in another object) I get the same problem.

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• NHibernate IUserType convert nullable DateTime to DB not-null value

  - by barakbbn

  I have legacy DB that store dates that means no-date as 9999-21-31, The column Till_Date is of type DateTime not-null="true". in the application i want to build persisted class that represent no-date as null, So i used nullable DateTime in C# //public DateTime? TillDate {get; set; } I created IUserType that knows to convert the entity null value to DB 9999-12-31 but it seems that NHibernate doesn't call SafeNullGet, SafeNullSet on my IUserType when the entity value is null, and report a null is used for not-null column. I tried to by-pass it by mapping the column as not-null="false" (changed only the mapping file, not the DB) but it still didn't help, only now it tries to insert the null value to the DB and get ADOException. Any knowledge if NHibernate doesn't support IUseType that convert null to not-null values? Thanks //Implementation public class NullableDateTimeToNotNullUserType : IUserType { private static readonly DateTime MaxDate = new DateTime(9999, 12, 31); public new bool Equals(object x, object y) { //This didn't work as well if (ReferenceEquals(x, y)) return true; //if(x == null && y == null) return false; if (x == null || y == null) return false; return x.Equals(y); } public int GetHashCode(object x) { return x == null ? 0 : x.GetHashCode(); } public object NullSafeGet(IDataReader rs, string[] names, object owner) { var value = rs.GetDateTime(rs.GetOrdinal(names[0])); return (value == MaxDate)? null : value; } public void NullSafeSet(IDbCommand cmd, object value, int index) { var dateValue = (DateTime?)value; var dbValue = (dateValue.HasValue) ? dateValue.Value : MaxDate; ((IDataParameter)cmd.Parameters[index]).Value = dbValue; } public object DeepCopy(object value) { return value; } public object Replace(object original, object target, object owner) { return original; } public object Assemble(object cached, object owner) { return cached; } public object Disassemble(object value) { return value; } public SqlType[] SqlTypes { get { return new[] { NHibernateUtil.DateTime.SqlType }; } } public Type ReturnedType { get { return typeof(DateTime?); } } public bool IsMutable { get { return false; } } } } //Final Implementation with fixes. make the column mapping in hbm.xml not-null="false" public class NullableDateTimeToNotNullUserType : IUserType { private static readonly DateTime MaxDate = new DateTime(9999, 12, 31); public new bool Equals(object x, object y) { //This didn't work as well if (ReferenceEquals(x, y)) return true; //if(x == null && y == null) return false; if (x == null || y == null) return false; return x.Equals(y); } public int GetHashCode(object x) { return x == null ? 0 : x.GetHashCode(); } public object NullSafeGet(IDataReader rs, string[] names, object owner) { var value = NHibernateUtil.Date.NullSafeGet(rs, names[0]); return (value == MaxDate)? default(DateTime?) : value; } public void NullSafeSet(IDbCommand cmd, object value, int index) { var dateValue = (DateTime?)value; var dbValue = (dateValue.HasValue) ? dateValue.Value : MaxDate; NHibernateUtil.Date.NullSafeSet(cmd, valueToSet, index); } public object DeepCopy(object value) { return value; } public object Replace(object original, object target, object owner) { return original; } public object Assemble(object cached, object owner) { return cached; } public object Disassemble(object value) { return value; } public SqlType[] SqlTypes { get { return new[] { NHibernateUtil.DateTime.SqlType }; } } public Type ReturnedType { get { return typeof(DateTime?); } } public bool IsMutable { get { return false; } } } }

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• Python: Memory usage and optimization when modifying lists

  - by xApple

  The problem My concern is the following: I am storing a relativity large dataset in a classical python list and in order to process the data I must iterate over the list several times, perform some operations on the elements, and often pop an item out of the list. It seems that deleting one item out of a Python list costs O(N) since Python has to copy all the items above the element at hand down one place. Furthermore, since the number of items to delete is approximately proportional to the number of elements in the list this results in an O(N^2) algorithm. I am hoping to find a solution that is cost effective (time and memory-wise). I have studied what I could find on the internet and have summarized my different options below. Which one is the best candidate ? Keeping a local index: while processingdata: index = 0 while index < len(somelist): item = somelist[index] dosomestuff(item) if somecondition(item): del somelist[index] else: index += 1 This is the original solution I came up with. Not only is this not very elegant, but I am hoping there is better way to do it that remains time and memory efficient. Walking the list backwards: while processingdata: for i in xrange(len(somelist) - 1, -1, -1): dosomestuff(item) if somecondition(somelist, i): somelist.pop(i) This avoids incrementing an index variable but ultimately has the same cost as the original version. It also breaks the logic of dosomestuff(item) that wishes to process them in the same order as they appear in the original list. Making a new list: while processingdata: for i, item in enumerate(somelist): dosomestuff(item) newlist = [] for item in somelist: if somecondition(item): newlist.append(item) somelist = newlist gc.collect() This is a very naive strategy for eliminating elements from a list and requires lots of memory since an almost full copy of the list must be made. Using list comprehensions: while processingdata: for i, item in enumerate(somelist): dosomestuff(item) somelist[:] = [x for x in somelist if somecondition(x)] This is very elegant but under-the-cover it walks the whole list one more time and must copy most of the elements in it. My intuition is that this operation probably costs more than the original del statement at least memory wise. Keep in mind that somelist can be huge and that any solution that will iterate through it only once per run will probably always win. Using the filter function: while processingdata: for i, item in enumerate(somelist): dosomestuff(item) somelist = filter(lambda x: not subtle_condition(x), somelist) This also creates a new list occupying lots of RAM. Using the itertools' filter function: from itertools import ifilterfalse while processingdata: for item in itertools.ifilterfalse(somecondtion, somelist): dosomestuff(item) This version of the filter call does not create a new list but will not call dosomestuff on every item breaking the logic of the algorithm. I am including this example only for the purpose of creating an exhaustive list. Moving items up the list while walking while processingdata: index = 0 for item in somelist: dosomestuff(item) if not somecondition(item): somelist[index] = item index += 1 del somelist[index:] This is a subtle method that seems cost effective. I think it will move each item (or the pointer to each item ?) exactly once resulting in an O(N) algorithm. Finally, I hope Python will be intelligent enough to resize the list at the end without allocating memory for a new copy of the list. Not sure though. Abandoning Python lists: class Doubly_Linked_List: def __init__(self): self.first = None self.last = None self.n = 0 def __len__(self): return self.n def __iter__(self): return DLLIter(self) def iterator(self): return self.__iter__() def append(self, x): x = DLLElement(x) x.next = None if self.last is None: x.prev = None self.last = x self.first = x self.n = 1 else: x.prev = self.last x.prev.next = x self.last = x self.n += 1 class DLLElement: def __init__(self, x): self.next = None self.data = x self.prev = None class DLLIter: etc... This type of object resembles a python list in a limited way. However, deletion of an element is guaranteed O(1). I would not like to go here since this would require massive amounts of code refactoring almost everywhere.

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• Is it possible to shuffle a 2D matrix while preserving row AND column frequencies?

  - by j_random_hacker

  Suppose I have a 2D array like the following: GACTG AGATA TCCGA Each array element is taken from a small finite set (in my case, DNA nucleotides -- {A, C, G, T}). I would like to randomly shuffle this array somehow while preserving both row and column nucleotide frequencies. Is this possible? Can it be done efficiently? [EDIT]: By this I mean I want to produce a new matrix where each row has the same number of As, Cs, Gs and Ts as the corresponding row of the original matrix, and where each column has the same number of As, Cs, Gs and Ts as the corresponding column of the original matrix. Permuting the rows or columns of the original matrix will not achieve this in general. (E.g. for the example above, the top row has 2 Gs, and 1 each of A, C and T; if this row was swapped with row 2, the top row in the resulting matrix would have 3 As, 1 G and 1 T.) It's simple enough to preserve just column frequencies by shuffling a column at a time, and likewise for rows. But doing this will in general alter the frequencies of the other kind. My thoughts so far: If it's possible to pick 2 rows and 2 columns so that the 4 elements at the corners of this rectangle have the pattern XY YX for some pair of distinct elements X and Y, then replacing these 4 elements with YX XY will maintain both row and column frequencies. In the example at the top, this can be done for (at least) rows 1 and 2 and columns 2 and 5 (whose corners give the 2x2 matrix AG;GA), and for rows 1 and 3 and columns 1 and 4 (whose corners give GT;TG). Clearly this could be repeated a number of times to produce some level of randomisation. Generalising a bit, any "subrectangle" induced by a subset of rows and a subset of columns, in which the frequencies of all rows are the same and the frequencies of all columns are the same, can have both its rows and columns permuted to produce a valid complete rectangle. (Of these, only those subrectangles in which at least 1 element is changed are actually interesting.) Big questions: Are all valid complete matrices reachable by a series of such "subrectangle rearrangements"? I suspect the answer is yes. Are all valid subrectangle rearrangements decomposable into a series of 2x2 swaps? I suspect the answer is no, but I hope it's yes, since that would seem to make it easier to come up with an efficient algorithm. Can some or all of the valid rearrangements be computed efficiently? This question addresses a special case in which the set of possible elements is {0, 1}. The solutions people have come up with there are similar to what I have come up with myself, and are probably usable, but not ideal as they require an arbitrary amount of backtracking to work correctly. Also I'm concerned that only 2x2 swaps are considered. Finally, I would ideally like a solution that can be proven to select a matrix uniformly at random from the set of all matrices having identical row frequencies and column frequencies to the original. I know, I'm asking for a lot :)

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• Android - How do I load a contact Photo?

  - by PaulH

  I'm having trouble loading a photo for a contact in Android. I've googled for an answer, but so far have come up empty. Does anyone have an example of querying for a Contact, then loading the Photo? So, given a contactUri which comes from an Activity result called using startActivityForResult(new Intent(Intent.ACTION_PICK,ContactsContract.CommonDataKinds.Phone.CONTENT_URI),PICK_CONTACT_REQUEST) is: content://com.android.contacts/data/1557 The loadContact(..) works fine. However when I call the getPhoto(...) method, I get a null value for the photo InputStream. It is also confusing because the URI values are different. The contactPhotoUri evaluates to: content://com.android.contacts/contacts/1557 See the comments inline in the code below. class ContactAccessor { /** * Retrieves the contact information. */ public ContactInfo loadContact(ContentResolver contentResolver, Uri contactUri) { //contactUri --> content://com.android.contacts/data/1557 ContactInfo contactInfo = new ContactInfo(); // Load the display name for the specified person Cursor cursor = contentResolver.query(contactUri, new String[]{Contacts._ID, Contacts.DISPLAY_NAME, Phone.NUMBER, Contacts.PHOTO_ID}, null, null, null); try { if (cursor.moveToFirst()) { contactInfo.setId(cursor.getLong(0)); contactInfo.setDisplayName(cursor.getString(1)); contactInfo.setPhoneNumber(cursor.getString(2)); } } finally { cursor.close(); } return contactInfo; // <-- returns info for contact } public Bitmap getPhoto(ContentResolver contentResolver, Long contactId) { Uri contactPhotoUri = ContentUris.withAppendedId(Contacts.CONTENT_URI, contactId); // contactPhotoUri --> content://com.android.contacts/contacts/1557 InputStream photoDataStream = Contacts.openContactPhotoInputStream(contentResolver,contactPhotoUri); // <-- always null Bitmap photo = BitmapFactory.decodeStream(photoDataStream); return photo; } public class ContactInfo { private long id; private String displayName; private String phoneNumber; private Uri photoUri; public void setDisplayName(String displayName) { this.displayName = displayName; } public String getDisplayName() { return displayName; } public void setPhoneNumber(String phoneNumber) { this.phoneNumber = phoneNumber; } public String getPhoneNumber() { return phoneNumber; } public Uri getPhotoUri() { return this.photoUri; } public void setPhotoUri(Uri photoUri) { this.photoUri = photoUri; } public long getId() { return this.id; } public void setId(long id) { this.id = id; } } } Clearly, I'm doing something wrong here, but I can't seem to figure out what the problem is. Thanks.

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• getting the value of a pseudo-element with protractor

  - by bodine

  I'd like to verify the text content of a pseudo-element. The promise returned from using ptor.executeScript("window.getComputedStyle(jQuery('.my-class')[0], ':after').content").then(function(data){ console.log(arguments) // {'0':null} }); I've also tried dropping that in the expectation, but I'd guess that fails for the same reason. Since the CSS Declaration for this is pointing at one of the element's attributes anyway, should I just try to read that attribute?

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• openning files in another browser page/tab

  - by CoffeeCode

  i have an action that return a file content. i added: Response.AddHeader("Content-Disposition", "attactment; filename:\"" + survey.File + "\""); so that the image would be opened in another tab/page, gets opened in the current tab/page. whats wrong with the header?

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• Objective-C NSMutableArray Count Causes EXC_BAD_ACCESS

  - by JoshEH

  I've been stuck on this for days and each time I come back to it I keep making my code more and more confusing to myself, lol. Here's what I'm trying to do. I have table list of charges, I tap on one and brings up a model view with charge details. Now when the model is presented a object is created to fetch a XML list of users and parses it and returns a NSMutableArray via a custom delegate. I then have a button that presents a picker popover, when the popover view is called the user array is used in an initWithArray call to the popover view. I know the data in the array is right, but when [pickerUsers count] is called I get an EXC_BAD_ACCESS. I assume it's a memory/ownership issue but nothing seems to help. Any help would be appreciated. Relevant code snippets: Charge Popover (Charge details model view): @interface ChargePopoverViewController ..... NSMutableArray *pickerUserList; @property (nonatomic, retain) NSMutableArray *pickerUserList; @implementation ChargePopoverViewController @synthesize whoOwesPickerButton, pickerUserList; - (void)viewDidLoad { JEHWebAPIPickerUsers *fetcher = [[JEHWebAPIPickerUsers alloc] init]; fetcher.delegate = self; [fetcher fetchUsers]; } -(void) JEHWebAPIFetchedUsers:(NSMutableArray *)theData { [pickerUserList release]; pickerUserList = theData; } - (void) pickWhoPaid: (id) sender { UserPickerViewController* content = [[UserPickerViewController alloc] initWithArray:pickerUserList]; UIPopoverController *popover = [[UIPopoverController alloc] initWithContentViewController:content]; [popover presentPopoverFromRect:whoPaidPickerButton.frame inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES]; content.delegate = self; } User Picker View Controller @interface UserPickerViewController ..... NSMutableArray *pickerUsers; @property(nonatomic, retain) NSMutableArray *pickerUsers; @implementation UserPickerViewController @synthesize pickerUsers; -(UserPickerViewController*) initWithArray:(NSMutableArray *)theUsers { self = [super init]; if ( self ) { self.pickerUsers = theUsers; } return self; } - (NSInteger)pickerView:(UIPickerView *)thePickerView numberOfRowsInComponent:(NSInteger)component { // Dies Here EXC_BAD_ACCESS, but NSLog(@"The content of array is%@",pickerUsers); shows correct array data return [pickerUsers count]; } I can provide additional code if it might help. Thanks in advance.

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• MVVM pattern and nested view models - communication and lookup lists

  - by LostInWPF

  I am using Prism for a new application that I am creating. There are several lookup lists that will be used in several places in the application. Therefore it makes sense to define it once and use that everywhere I need that functionality. My current solution is to use typed data templates to render the controls inside a content control. <DataTemplate DataType={x:Type ListOfCountriesViewModel}> <ComboBox ItemsSource={Binding Countries} SelectedItem="{Binding SelectedCountry"/> </DataTemplate> <DataTemplate DataType={x:Type ListOfRegionsViewModel}> <ComboBox ItemsSource={Binding Countries} SelectedItem={Binding SelectedRegion} /> </DataTemplate> public class ParentViewModel { SelectedCountry get; set; SelectedRegion get; set; ListOfCountriesViewModel CountriesVM; ListOfRegionsViewModel RgnsVM; } Then in my window I have 2 content controls and the rest of the controls <ContentControl Content="{Binding CountriesVM}"></ContentControl> <ContentControl Content="{Binding RgnsVM}"></ContentControl> <Rest of controls on view> At the moment I have this working and the SelectedItems for the combo boxes are publising events via EventAggregator from the child view models which are then subscribed to in the parent view model. I am not sure that this is the best way to go as I can imagine I would end up with a lot of events very quickly and it will become unwieldy. Also if I was to use the same view model on another window it will publish the event and this parent viewmodel is subscribed to it which could have unintended consequences. My questions are :- Is this the best way to put lookup lists in a view which can be re-used across screens? How do I make it so that the combobox which is bound to the child viewmodel sets the relevant property on the parent viewmodel without using events / mediator. e.g in this case SelectedCountry for example? Any alternative implementation proposals for what I am trying to do? I have a feeling I am missing something obvious and there is so much info it is hard to know what is right so any help would be most gratefully received.

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• Facebook Javascript SDK's FB.ui Bug in IE8

  - by Lukas

  hi everyone i have found a bug in IE8 using the new Facebook Javascript SDK. i call a Post dialog using: FB.ui( { method: 'stream.publish', display: 'dialog', message: 'test', attachment: { name: 'test', caption: 'test', media: [ {type: 'image', src: site_url+'test.jpg', href: site_url} ], description: ( 'test' ), href: site_url } }, my html structure is: <body> <div id="content"></div> <script type="text/javascript"> var params = { wmode: 'opaque', allowScriptAccess: 'always', quality: 'high', allowFullScreen: "true" }; var attributes = { id: 'test' }; swfobject.embedSWF("frontend/swf/stage.swf", "content", "100%", "100%", "10", params, attributes); var site_url = 'http://test.com'; </script> <div id="fb-root"></div> <script type="text/javascript" src="http://connect.facebook.net/en_US/all.js"></script> <div id="like-dialog" style="display:none;"> <div id="like-dialog-wrapper"> <div id="like-dialog-close"></div> <iframe src="http://www.facebook.com/plugins/likebox.php?id=99999999999&amp;width=292&amp;connections=0&amp;stream=true&amp;header=false&amp;height=395" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:292px; height:395px;"></iframe> </div> </div> </body> the css: html, #content, body { margin: 0; height: 100%; overflow: hidden; } #content { z-index: 1; } what i do is: i embed my stage i call the FB.init function and then call FB.ui function to overlay my flash. it works in every common browser except IE8. in IE8 the div containing the iframe is behind the div where i embed flash, although i set the z-index and position the dialog absolute. any ideas? thanks in advance

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• jQuery FancyBox Resize

  - by Swiftaxe

  Hi, Does anyone know how to resize the jQuery Fancybox during runtime? When initialising the fancybox I can do this: $("tag").fancybox({ 'frameWidth': 500, 'frameHeight': 700 }); I am filling the fancybox with dynamic content and want it to resize according to the content. Anyone has a clue? Thanks, Swiftaxe

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• how to reload jqgrid in asp.net mvc when i change dropdownlist

  - by sandeep

  what is wrong in this code? when i change drop down list,the grid takes old value of ddl only, not taken newely selected values why? <%--<asp:Content ID="Content2script" ContentPlaceHolderID="HeadScript" runat="server"> <script type="text/javascript"> $(function() { $("#StateId").change(function() { $('#TheForm').submit(); }); }); $(function() { $("#CityId").change(function() { $('#TheForm').submit(); }); }); $(function() { $("#HospitalName").change(function() { $('#TheForm').submit(); }); }); </script > </asp:Content>--%> <asp:Content ID="Content3" ContentPlaceHolderID="HeadContent" runat="server"> <link rel="stylesheet" type="text/css" href="/scripts/themes/coffee/grid.css" title="coffee" media="screen" /> <script src="/Scripts/jquery-1.3.2.js" type="text/javascript"></script> <script src="/Scripts/jquery.jqGrid.js" type="text/javascript"></script> <script src="/Scripts/js/jqModal.js" type="text/javascript"></script> <script src="/Scripts/js/jqDnR.js" type="text/javascript"></script> <script type="text/javascript"> var gridimgpath = '/scripts/themes/coffee/images'; var gridDataUrl = '/Claim/DynamicGridData/'; jQuery(document).ready(function() { // $("#btnSearch").click(function() { var StateId = document.getElementById('StateId').value; var CityId = document.getElementById('CityId').value; var HName = document.getElementById('HospitalName').value; // alert(CityId); // alert(StateId); // alert(HName); if (StateId > 0 && CityId == '' && HName == '') { CityId = 0; HName = 'Default'.toString(); // alert("elseif0" + HName.toString()); } else if (CityId > 0 && StateId == '') { // alert("elseif1"); alert("Please Select State..") } else if (CityId > 0 && StateId > 0 && HName == '') { // alert("elseif2"); alert(CityId); alert(StateId); HName = "Default"; } else { // alert("else"); StateId = 0; CityId = 0; HName = "Default"; } jQuery("#list").jqGrid({ url: gridDataUrl + '?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName, datatype: 'json', mtype: 'GET', colNames: ['Id', 'HospitalName', 'Address', 'City', 'District', 'FaxNumber', 'PhoneNumber'], colModel: [{ name: 'HospitalId', index: 'HospitalId', width: 40, align: 'left' }, { name: 'HospitalName', index: 'HospitalName', width: 40, align: 'left' }, { name: 'Address1', Address: 'Address1', width: 300 }, { name: 'CityName', index: 'CityName', width: 100 }, { name: 'DistName', index: 'DistName', width: 100 }, { name: 'FaxNo', index: 'FaxNo', width: 100 }, { name: 'ContactNo1', index: 'PhoneNumber', width: 100 } ], pager: jQuery('#pager'), rowNum: 10, rowList: [5, 10, 20, 50], // sortname: 'Id,', sortname: '1', sortorder: "asc", viewrecords: true, //multiselect: true, //multikey: "ctrlKey", // imgpath: '/scripts/themes/coffee/images', imgpath: gridimgpath, caption: 'Hospital Search', width: 700, height: 250 }); $(function() { // $("#btnSearch").click(function() { $('#CityId').change(function() { alert("kjasd"); // Set the vars whenever the date range changes and then filter the results StateId = document.getElementById('StateId').value; CityId = document.getElementById('CityId').value; HName = 'default'; setGridUrl(); }); // Set the date range textbox values $('#StateId').val(StateId.toString()); $('#CityId').val(CityId.toString()); // Set the grid json url to get the data to display setGridUrl(); }); function setGridUrl() { alert(StateId); alert(CityId); alert("hi"); var newGridDataUrl = gridDataUrl + '?StateId=' + StateId + '&CityId=' + CityId + '&hospname=' + HName; jQuery('#list').jqGrid('setGridParam', { url: newGridDataUrl }).trigger("reloadGrid"); } // }); }); </script> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <%--<%using (Html.BeginForm("HospitalSearch", "Claim", FormMethod.Post, new { id = "TheForm" })) --%> <table cellspacing="0" cellpadding="2" width="100%" border="0" > <tr> <td class ="Heading1"> Hospital Search</td> <td class ="Heading1" align="right" width="50%" background="../images/homebg.gif"> &nbsp; </td> </tr> <tr> <td colspan="2" > <% Html.RenderPartial("InsuredDetails"); %> </td> </tr> <tr> <td colspan="2"> <table width="100%"> <tr> <td class="subline" valign="middle"> State : <% =Html.DropDownList("StateId", (SelectList)ViewData["States"], "--Select--", new { @class = "ddownmenu" })%> &nbsp; City : <% =Html.DropDownList("CityId", (SelectList)ViewData["Cities"], "--Select--", new { @class = "ddownmenu" })%> &nbsp; Hospital Name : <% =Html.TextBox("HospitalName")%> &nbsp; &nbsp; <input id="btnSearch" type="submit" value="Search" /> </td> </tr> </table> </td> </tr> <tr> <td align="center" colspan="2"> &nbsp;</td> </tr> </table> <div id="jqGridContainer"> <table id="list" class="scroll" cellpadding="0" cellspacing="0"></table> <div id="pager" class="scroll" style="text-align:center;"></div> </div> </asp:Content>

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• Return Json causes save file dialog in asp.net mvc

  - by Eran

  Hi, I'm integrating jquery fullcalendar into my application. Here is the code i'm using: in index.aspx: <script type="text/javascript"> $(document).ready(function() { $('#calendar').fullCalendar({ events: "/Scheduler/CalendarData" }); }); </script> <div id="calendar"> </div> Here is the code for Scheduler/CalendarData: public ActionResult CalendarData() { IList<CalendarDTO> tasksList = new List<CalendarDTO>(); tasksList.Add(new CalendarDTO { id = 1, title = "Google search", start = ToUnixTimespan(DateTime.Now), end = ToUnixTimespan(DateTime.Now.AddHours(4)), url = "www.google.com" }); tasksList.Add(new CalendarDTO { id = 1, title = "Bing search", start = ToUnixTimespan(DateTime.Now.AddDays(1)), end = ToUnixTimespan(DateTime.Now.AddDays(1).AddHours(4)), url = "www.bing.com" }); return Json(tasksList,JsonRequestBehavior.AllowGet); } private long ToUnixTimespan(DateTime date) { TimeSpan tspan = date.ToUniversalTime().Subtract( new DateTime(1970, 1, 1, 0, 0, 0)); return (long)Math.Truncate(tspan.TotalSeconds); } public ActionResult Index() { return View("Index"); } I also have the following code inside head tag in site.master: <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server" /> <link href="<%= Url.Content("~/Content/jquery-ui-1.7.2.custom.css") %>" rel="stylesheet" type="text/css" /> <link href="~Perspectiva/Content/Site.css" rel="stylesheet" type="text/css" /> <link href="~Perspectiva/Content/fullcalendar.css" rel="stylesheet" type="text/css" /> <script src="~Perspectiva/Scripts/jquery-1.4.2.js" type="text/javascript"></script> <script src="~Perspectiva/Scripts/fullcalendar.js" type="text/javascript"></script> <script src="/Scripts/MicrosoftAjax.debug.js" type="text/javascript"></script> <script src="/Scripts/MicrosoftMvcAjax.debug.js" type="text/javascript"></script> Everything I did was pretty much copied from http://szahariev.blogspot.com/2009/08/jquery-fullcalendar-and-aspnet-mvc.html When navigating to /scheduler/calendardata I get a prompt for saving the json data which contents are exactly what I created in the CalendarData function. What do I need to do in order to render the page correctly? Thanks in advance, Eran

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• Sitecore and ASP.net MVC

  - by Vinod

  We are starting off a new project with sitecore as our CMS. I was thinking of using Sitecore as the Content Authoring Tool and use ASP.net MVC as in the Content delivery(CDA) Side along with Sitecore. Would love to hear your ideas and thoughts on this. Have anybody tried this? Is sitecore and MVC competing or Complementing technologies? Any architectural ideas are welcome.

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• jquery prevent paste to iframe designmode from msword

  - by naugtur

  Hi. I've seen some questions on catching paste event. This looks helpful. But I want to prevent paste from happening when the pasted content is not plaintext, but comes from msword or other wysiwyg editor. Anybody got any experience on that? I suppose I should catch the event and look for some specific tags in the clipboard. Any known content that msie adds everytime?

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• jQuery Horizontal Ticker with Continuous loop

  - by Dkong

  I am using a jQuery ticker which is pretty cool. It works well with predefined content, but I want to build my tags dynamically by getting the data from a feed via the $.ajax method. http://progadv.uuuq.com/jStockTicker/ The problem is when I do this the ticker wont work, as it looks like the function might be loading before my page content has loaded. Can anbody think of a way around this? $(function() { $("#ticker").jStockTicker({interval: 45}); });

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• Telerik RadEditor add comments while being in Preview mode

  - by eyusubov

  Telerik's RadEditor is used for our content management system's WYSIWYG editor. We need to find a way to display content for review. User should be able to add comments and NOT be able to change the text itself. Currently, RadEditor has a Preview mode, and i am looking on how to add commenting functionality through context menu or button. The editor is pretty customizable, anyone know is ti possible to be done, any hack ways to accomplish this?

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• Bogus InvalidOperationException (in a DataServiceRequestException)

  - by Andrei Rinea

  I am having a hard time with ADO.NET Data Services (formerly code-named Astoria) as it gives me a bogus exception when I try to insert a new entity from the silverlight client and trying in a clean project (the same code) doesn't. In both cases, however, data is correctly inserted into the database. Using Fiddler (an HTTP debugger I could see that there is no problem in the HTTP communication as I will show later in this question. The code : var ctx = new MyProject123Entities(new Uri("http://andreiri/MyProject.Data/Data.svc")); var i = new Zone() { Data = DateTime.Now, IdElement = 1 }; ctx.AddToZone(i); i.StareZone = new StareZone() { IdStareZone = 1 }; ctx.AttachTo("StareZone", i.StareZone); ctx.SetLink(i, "StareZone", i.StareZone); i.TipZone = new TipZone() { IdTipZone = 1 }; ctx.AttachTo("TipZone", i.TipZone); ctx.SetLink(i, "TipZone", i.TipZone); i.User = new User() { IdUser = 2 }; ctx.AttachTo("User", i.User); ctx.SetLink(i, "User", i.User); ctx.BeginSaveChanges(r =] ctx.EndSaveChanges(r), null); when run the last line (ctx.EndSaveChanges(r)) will throw the following exception : System.Data.Services.Client.DataServiceRequestException was unhandled by user code Message="An error occurred while processing this request." StackTrace: at System.Data.Services.Client.DataServiceContext.SaveAsyncResult.HandleBatchResponse() at System.Data.Services.Client.DataServiceContext.SaveAsyncResult.EndRequest() at System.Data.Services.Client.DataServiceContext.EndSaveChanges(IAsyncResult asyncResult) at MyProject.MainPage.[]c__DisplayClassd6.[]c__DisplayClassd8.[dashboard_PostZoneCurent]b__d5(IAsyncResult r) at System.Data.Services.Client.BaseAsyncResult.HandleCompleted() at System.Data.Services.Client.DataServiceContext.SaveAsyncResult.HandleCompleted(PerRequest pereq) at System.Data.Services.Client.DataServiceContext.SaveAsyncResult.AsyncEndRead(IAsyncResult asyncResult) at System.IO.Stream.BeginRead(Byte[] buffer, Int32 offset, Int32 count, AsyncCallback callback, Object state) at System.Data.Services.Client.DataServiceContext.SaveAsyncResult.AsyncEndGetResponse(IAsyncResult asyncResult) InnerException: System.InvalidOperationException Message="The context is already tracking a different entity with the same resource Uri." StackTrace: at System.Data.Services.Client.DataServiceContext.AttachTo(Uri identity, Uri editLink, String etag, Object entity, Boolean fail) at System.Data.Services.Client.MaterializeAtom.MoveNext() at System.Data.Services.Client.DataServiceContext.HandleResponsePost(ResourceBox entry, MaterializeAtom materializer, Uri editLink, String etag) at System.Data.Services.Client.DataServiceContext.SaveAsyncResult.[HandleBatchResponse]d__1d.MoveNext() InnerException: (there is no further information regarding the exception although the ADo.NET Data Service is configured to return detailed informations) However the row is inserted correctly and completely in the database. Using fiddler I can see that the request : <?xml version="1.0" encoding="utf-8" standalone="yes"?> <entry xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns="http://www.w3.org/2005/Atom"> <category scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme" term="MyProject123Model.Zone" /> <title /> <updated>2009-09-11T13:36:46.917157Z</updated> <author> <name /> </author> <id /> <link href="http://andreiri/MyProject.Data/Data.svc/StareZone(1)" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/StareZone" type="application/atom+xml;type=entry" /> <link href="http://andreiri/MyProject.Data/Data.svc/TipZone(4)" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/TipZone" type="application/atom+xml;type=entry" /> <link href="http://andreiri/MyProject.Data/Data.svc/User(4)" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/User" type="application/atom+xml;type=entry" /> <content type="application/xml"> <m:properties> <d:Data m:type="Edm.DateTime">2009-09-11T16:36:40.588951+03:00</d:Data> <d:Detalii>aslkdfjasldkfj</d:Detalii> <d:IdElement m:type="Edm.Int32">1</d:IdElement> <d:IdZone m:type="Edm.Int32">0</d:IdZone> <d:X_Post m:type="Edm.Decimal">587647.4705</d:X_Post> <d:X_Repost m:type="Edm.Decimal" m:null="true" /> <d:Y_Post m:type="Edm.Decimal">325783.077599999</d:Y_Post> <d:Y_Repost m:type="Edm.Decimal" m:null="true" /> </m:properties> </content> </entry> is well accepted and a successful response is returned : HTTP/1.1 201 Created Date: Fri, 11 Sep 2009 13:36:47 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 DataServiceVersion: 1.0; Location: http://andreiri/MyProject.Data/Data.svc/Zone(75) Cache-Control: no-cache Content-Type: application/atom+xml;charset=utf-8 Content-Length: 2213 <?xml version="1.0" encoding="utf-8" standalone="yes"?> <entry xml:base="http://andreiri/MyProject.Data/Data.svc/" xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns="http://www.w3.org/2005/Atom"> <id>http://andreiri/MyProject.Data/Data.svc/Zone(75)</id> <title type="text"></title> <updated>2009-09-11T13:36:47Z</updated> <author> <name /> </author> <link rel="edit" title="Zone" href="Zone(75)" /> <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/CenterZone" type="application/atom+xml;type=feed" title="CenterZone" href="Zone(75)/CenterZone" /> <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/ZoneMobil" type="application/atom+xml;type=feed" title="ZoneMobil" href="Zone(75)/ZoneMobil" /> <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/StareZone" type="application/atom+xml;type=entry" title="StareZone" href="Zone(75)/StareZone" /> <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/TipZone" type="application/atom+xml;type=entry" title="TipZone" href="Zone(75)/TipZone" /> <link rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/User" type="application/atom+xml;type=entry" title="User" href="Zone(75)/User" /> <category term="MyProject123Model.Zone" scheme="http://schemas.microsoft.com ado/2007/08/dataservices/scheme" /> <content type="application/xml"> <m:properties> <d:IdZone m:type="Edm.Int32">75</d:IdZone> <d:X_Post m:type="Edm.Decimal">587647.4705</d:X_Post> <d:Y_Post m:type="Edm.Decimal">325783.077599999</d:Y_Post> <d:X_Repost m:type="Edm.Decimal" m:null="true" /> <d:Y_Repost m:type="Edm.Decimal" m:null="true" /> <d:Data m:type="Edm.DateTime">2009-09-11T16:36:40.588951+03:00</d:Data> <d:Detalii>aslkdfjasldkfj</d:Detalii> <d:IdElement m:type="Edm.Int32">1</d:IdElement> </m:properties> </content> </entry> Why do I get an exception? And, using this in a clean project does not throw the exception..

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• Why is IE8 rendering superfish menu wrong?

  - by John Isaacks

  I am useing the superfish jquery plugin If you view the superfish menu here: clicky the drop-downs show correctly (above the main content) in Chrome, Firefox, Safari, IE6, IE7 But for some reason they fall behind the main content in IE8. I already set the z-index for the superfish menu which IE7 wasnt working right until I did so, but it didn't fix IE8. Am I missing something?

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• Silverlight Bing Maps - Pushpin

  - by user70192

  How do I make the Silverlight Bing Maps pushpin larger? The reason I want to make it larger is so that I can add more content into the head of the pushpin. However, I cannot figure out how to add the content I want to the head of the pushpin without it being cut off. Thank you,

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• .Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return

  - by chefsmart

  I am in a situation where when I get an HTTP 400 code from the server, it is a completely legal way of the server telling me what was wrong with my request (using a message in the HTTP response content) However, the .NET HttpWebRequest raises an exception when the status code is 400. How do I handle this? For me a 400 is completely legal, and rather helpful. The HTTP content has some important information but the exception throws me off my path.

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• how to set httpheaders in asp.net mvc

  - by Gidon

  I need to set http header for disabling ie (7-8) caching (it disturbs my ajax functionallity). I've tried inserting this code to the head of my site.master with no result - <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Expires" CONTENT="-1"> How and where can I set the HTTP headers? or do you have a better solution for the ie caching issue. regards.

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• Handling Errors from HttpWebRequest.GetResponse

  - by Jason

  Hey experts - I'm having a ridiculous time trying to get an SMS API working (ZeepMobile, if you're interested) with .NET... I've been around .NET for a few years, but with all this social networking and API stuff, I need to get into the HttpWebRequest a bit. I'm new at it, but not completely new; I was able to hook up my site to Twitter without too much fuss (ie, I was able to modify someone's code to work for me). Anyways, the way their API works is to send an SMS message, you send them a POST and they respond back to you. I can send it just fine, but every time I do, rather than echo back something helpful to figure out what the error is, I get the Yellow Error Page Of Death (YEPOD) saying something to the effect of "The remote server returned an error: (400) Bad Request." This occurs on my line: '...creation of httpwebrequest here...' Dim myWebResponse As WebResponse myWebResponse = request.GetResponse() '<--- error line Is there any way to simply receive the error from the server rather than have the webserver throw an exception and give me the YEPOD? Or better yet, can anyone post a working example of their Zeep code? :) Thanks! EDIT: Here's my whole code block: Public Shared Function SendTextMessage(ByVal username As String, _ ByVal txt As String) As String Dim content As String = "user_id=" + _ username + "&body=" + Current.Server.UrlEncode(txt) Dim httpDate As String = DateTime.Now.ToString("r") Dim canonicalString As String = API_KEY & httpDate & content Dim encoding As New System.Text.UTF8Encoding Dim hmacSha As New HMACSHA1(encoding.GetBytes(SECRET_ACCESS_KEY)) Dim hash() As Byte = hmacSha.ComputeHash(encoding.GetBytes(canonicalString)) Dim b64 As String = Convert.ToBase64String(hash) 'connect with zeep' Dim request As HttpWebRequest = CType(WebRequest.Create(_ "https://api.zeepmobile.com/messaging/2008-07-14/send_message"), HttpWebRequest) request.Method = "POST" request.ServicePoint.Expect100Continue = False ' set the authorization levels' request.Headers.Add("Authorization", "Zeep " & API_KEY & ":" & b64) request.ContentType = "application/x-www-form-urlencoded" request.ContentLength = content.Length ' set up and write to stream' Dim reqStream As New StreamWriter(request.GetRequestStream()) reqStream.Write(content) reqStream.Close() Dim msg As String = "" msg = reqStream.ToString Dim myWebResponse As WebResponse Dim myResponseStream As Stream Dim myStreamReader As StreamReader myWebResponse = request.GetResponse() myResponseStream = myWebResponse.GetResponseStream() myStreamReader = New StreamReader(myResponseStream) msg = myStreamReader.ReadToEnd() myStreamReader.Close() myResponseStream.Close() ' Close the WebResponse' myWebResponse.Close() Return msg End Function

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• editing the footer in joomla1.5

  - by Aruna

  hi , i am having a content in my footer of my joomla 1.5 website.. Please help me of how to edit the year and the Powered by joomla content in the footer. pls helpme ..

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