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• How to show multiple screens with right/left slide Gesture

  - by ajay sahu

  I am having an application in which i have a ListView .List is populated from an array list . On selection of each item it show the detail description for that item in a seperate screen populated data from another array list . A single screen is used to display details of all the items.it loads data from dynamically. Can anyone please tell me how can i display all details on same screen using right/left slide gesture. Screen with ListView -itemList Screen to display detail -detail listView on next and previous gesture it should dynamic data on screen 2detail list view from arraylist

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• free public databases with non-trivial table structures?

  - by Caffeine Coma

  I'm looking for some sample database data that I can use for testing and demonstrating a DB tool I am working on. I need a DB that has (preferably) many tables, and many foreign key relationships between the tables. Ideally the data would be in SQL dump format, or at least in something that maintains the foreign key references, and could be easily import into an RDBMS (MySQL or H2). The dataset itself doesn't have to be huge (in fact, best if it's not). I thought about using the Stackoverflow Data Dump, but it's only about 5 tables.

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• How can I debug an application crash in Win7 after it's happened?

  - by parsley72

  I have a Visual Basic 6 application that I've recently changed to use a couple of C++ DLLs I've written in Visual Studio 2008. The application works fine on my PC, but when we install it on one of our test PCs it tends to crash during shutdown - we see the Win 7 message "Your application has failed" or whatever it is. I know Win 7 stores data that can be used to analyse the crash. I've got the source code and .PDB files from the build so I should be able to use that, but I can't figure out where Win 7 stores the data from the crash. The Event Viewer shows the crash but doesn't have any data and the directory C:\Windows\Minidump doesn't exist. Where do the crash files get put?

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• Application is crash..

  - by user338322

  Below is my crash Report. 0 0x326712f8 in prepareForMethodLookup () 1 0x3266cf5c in lookUpMethod () 2 0x32668f28 in objc_msgSend_uncached () 3 0x33f70996 in NSPopAutoreleasePool () 4 0x33f82a6c in -[NSAutoreleasePool drain] () 5 0x00003d3e in -[CameraViewcontroller save:] (self=0x811400, _cmd=0x319c00d4, number=0x11e210) at /Users/hardikrathore/Desktop/LiveVideoRecording/Classes/CameraViewcontroller.m:266 6 0x33f36f8a in __NSFireDelayedPerform () 7 0x32da44c2 in CFRunLoopRunSpecific () 8 0x32da3c1e in CFRunLoopRunInMode () 9 0x31bb9374 in GSEventRunModal () 10 0x30bf3c30 in -[UIApplication _run] () 11 0x30bf2230 in UIApplicationMain () 12 0x00002650 in main (argc=1, argv=0x2ffff474) at /Users/hardikrathore/Desktop/LiveVideoRecording/main.m:14 And this is the code. lines, where I am getting the error. -(void)save:(id)number { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; j =[number intValue]; while(screens[j] != NULL){ NSLog(@" image made : %d",j); UIImage * image = [UIImage imageWithCGImage:screens[j]]; image=[self imageByCropping:image toRect:CGRectMake(0, 0, 320, 240)]; NSData *imgdata = UIImageJPEGRepresentation(image,0.3); [image release]; CGImageRelease(screens[j]); screens[j] = NULL; UIImage * image1 = [UIImage imageWithCGImage:screens[j+1]]; image1=[self imageByCropping:image1 toRect:CGRectMake(0, 0, 320, 240)]; NSData *imgdata1 = UIImageJPEGRepresentation(image1,0.3); [image1 release]; CGImageRelease(screens[j+1]); screens[j+1] = NULL; NSString *urlString=@"http://www.test.itmate4.com/iPhoneToServerTwice.php"; // setting up the request object now NSMutableURLRequest *request = [[NSMutableURLRequest alloc]init]; [request setURL:[NSURL URLWithString:urlString]]; [request setHTTPMethod:@"POST"]; NSString *fileName=[VideoID stringByAppendingString:@"_"]; fileName=[fileName stringByAppendingString:[NSString stringWithFormat:@"%d",k]]; NSString *fileName2=[VideoID stringByAppendingString:@"_"]; fileName2=[fileName2 stringByAppendingString:[NSString stringWithFormat:@"%d",k+1]]; /* add some header info now we always need a boundary when we post a file also we need to set the content type You might want to generate a random boundary.. this is just the same as my output from wireshark on a valid html post */ NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"]; NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary]; [request addValue:contentType forHTTPHeaderField: @"Content-Type"]; /* now lets create the body of the post */ //NSString *count=[NSString stringWithFormat:@"%d",front];; NSMutableData *body = [NSMutableData data]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; //[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; count=\"@\"";filename=\"%@.jpg\"\r\n",count,fileName] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%@.jpg\"\r\n",fileName] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[NSData dataWithData:imgdata]]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; //second boundary NSString *string1 = [[NSString alloc] initWithFormat:@"\r\n--%@\r\n",boundary]; NSString *string2 =[[NSString alloc] initWithFormat:@"Content-Disposition: form-data; name=\"userfile2\"; filename=\"%@.jpg\"\r\n",fileName2]; NSString *string3 =[[NSString alloc] initWithFormat:@"\r\n--%@--\r\n",boundary]; [body appendData:[string1 dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[string2 dataUsingEncoding:NSUTF8StringEncoding]]; //experiment //[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile2\"; filename=\"%@.jpg\"\r\n",fileName2] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[NSData dataWithData:imgdata1]]; //[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[string3 dataUsingEncoding:NSUTF8StringEncoding]]; // setting the body of the post to the reqeust [request setHTTPBody:body]; // now lets make the connection to the web NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; if([returnString isEqualToString:@"SUCCESS"]) { NSLog(returnString); k=k+2; j=j+2; [self performSelectorInBackground:@selector(save:) withObject:(id)[NSNumber numberWithInt:j]]; } //k=k+2; [imgdata release]; [imgdata1 release]; [NSThread sleepForTimeInterval:.01]; } [pool drain]; <-------------Line 266 } As you can see in log report. I am getting the error, Line 266. Some autorelease problem Any help !!!? coz I am not getting why its happening.

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• Convert object to DateRange

  - by user655832

  I'm querying an underlying PostgreSQL database using Pandas 0.8. Pandas is returning the DataFrame properly but the underlying timestamp column in my database is being returned as a generic "object" type in Pandas. As I would eventually like to seasonal normalization of my data I am curious as to how to convert this generic "object" column to something that is appropriate for analysis. Here is my current code to retrieve the data: # get records from db example import pandas.io.sql as psql import psycopg2 # define query to get all subs created this year QRY = """ select i i, i * random() f, case when random() > 0.5 then true else false end t, (current_date - (i*random())::int)::timestamp with time zone tsz from generate_series(1,1000) as s(i) order by 4 ; """ CONN_STRING = "host='localhost' port=5432 dbname='postgres' user='postgres'" # connect to db conn = psycopg2.connect(CONN_STRING) # get some data set index on relid column df = psql.frame_query(QRY, con=conn) print "Row count retrieved: %i" % (len(df),) Thanks for any help you can render. M

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• jQuery Ajax form submit, to call php login script

  - by Stevie Jenowski

  Thanks for checking out my problem... I'm having trouble submitting a login form via Ajax for a php script to run and return a new set of html items which will be replacing the HTML in #userlinks.... heres what I have so far $("#login_form").submit(function() { return false; }); $('#login_button').click(function(event) { $form = $(this).parent("form"); $.post($form.attr("action"), $form.serialize(), function(data){ $('#userlinks').html(data); }); }); The php script checks for post data of username && password, yet all I'm getting is a page refresh and no changes. Nothing returns unless I turn login_button into a link and change the script a bit... Any help would be appreciated!

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• How to define using statements in web.config?

  - by Hasan Gürsoy

  I'm using MySql in my asp.net project. But I don't want to type every "using MySql.Data.MySqlClient;" statement in every aspx.cs file. How can I define this lines in web.config file? I've defined some namespaces like below but this only works for aspx pages: <?xml version="1.0"?> <configuration> <system.web> <compilation debug="false" targetFramework="4.0"/> <pages> <namespaces> <add namespace="System.Web.Configuration"/> <add namespace="MySql.Data"/> <add namespace="MySql.Data.MySqlClient"/> </namespaces> </pages> </system.web> </configuration>

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• Return value changed after finally

  - by Nestor

  I have the following code: public bool ProcessData(String data) { try { result= CheckData(data); if (TextUtils.isEmpty(result)) { summary="Data is invalid"; return false; } ... finally { Period period = new Period(startTime, new LocalDateTime()); String duration = String.format("Duration: %s:%s", period.getMinutes(), period.getSeconds()); LogCat(duration); } return true; As I learned from this question, the finally block is executed after the return statement. So I modified my code according to that, and in the finally I inserted code that does not modify the output. Strangely, the code OUTSIDE the finally block does. My method always returns true. As suggested, it is not a good idea to have 2 return. What should I do?

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• Append a parent element to arrays in PHP for a foreach loop

  - by Erik Berger

  print_r of $data = json_decode($src, true); returns data that looks like this: Array ( [0] => Array ( [var1] => blah [var2] => foo ) [1] => Array ( [var1] => lorem [var2] => ipsum ) // goes down to [1936] ) I want to build an html table that shows var1 and var2 next to each other in the same row. I know do to this I need a foreach statement like foreach($data['items'] as $item) but the problem I think I am having is that my many arrays aren't the child of one thing like 'items', right? I looked into array_push but couldn't figure it out. Can someone help my orphaned parentless arrays?

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• Caching asp.net viewdata

  - by Tomh

  Hey guys, I'm currently thinking about caching most of my viewdata excpt user specific data after a user logs on. I thought the simplest way was caching the ViewData object itself and adding the user specific data after it was loaded. Are there any downsides of this approach? Are there better ways? string cacheKey = "Nieuws/show/" + id; if (HttpRuntime.Cache[cacheKey] != null) { ViewData = HttpRuntime.Cache[cacheKey] as ViewDataDictionary; } else { // add stuff to view data HttpRuntime.Cache.Insert(cacheKey, ViewData, null, DateTime.Now.AddSeconds(180), Cache.NoSlidingExpiration, CacheItemPriority.NotRemovable, null); }

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• Escaping CURL @ symbol with PHP

  - by bkildow

  I'm writing a php application that submits via curl data to sign up for an iContact email list. However I keep getting an invalid email address error. I think this may be due to the fact that I'm escaping the @ symbol so it looks like %40 instead of @. Also, according to the php documentation for curl_setopt with CURLOPT_POSTFIELDS: The full data to post in a HTTP "POST" operation. To post a file, prepend a filename with @ and use the full path. So, is there anyway to pass the @ symbol as post data through curl in php without running it through urlencode first?

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• How to use xml response as XMLObject outside of ajax callback function

  - by Anthony

  Hopefully I've just made a dumb oversight, but I can't figure out why the following doesn't work: $(function() { var xml; $.get( "somexml.xml", function(data){ xml = data; }, "xml"); alert(xml); }); If I put the alert inside of the callback function, I get back object XMLdocument but if I place it outside of the ajax call, I get undefined. Since my goal is to have a new DOM to parse, I don't want the entire handling of the XMLdocument to be within the callback function. I've tried defining the variable outside of the entire onready function, inside at the top (like above) and inside the callback function, all with no luck. According to Specifying the Data Type for Ajax Requests in the jquery documentation, this should be possible.

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• What causes a WPF ListCollectionView that uses custom sorting to re-sort its items?

  - by Drew Noakes

  Consider this code (type names genericised for the purposes of example): // Bound to ListBox.ItemsSource _items = new ObservableCollection<Item>(); // ...Items are added here ... // Specify custom IComparer for this collection view _itemsView = CollectionViewSource.GetDefaultView(_items) ((ListCollectionView)_itemsView).CustomSort = new ItemComparer(); When I set CustomSort, the collection is sorted as I expect. However I require the data to re-sort itself at runtime in response to the changing of the properties on Item. The Item class derives from INotifyPropertyChanged and I know that the property fires correctly as my data template updates the values on screen, only the sorting logic is not being called. I have also tried raising INotifyPropertyChanged.PropertyChanged passing an empty string, to see if a generic notification would cause the sorting to be initiated. No bananas. EDIT In response to Kent's suggestion I thought I'd point out that sorting the items using this has the same result, namely that the collection sorts once but does not re-sort as the data changes: _itemsView.SortDescriptions.Add( new SortDescription("PropertyName", ListSortDirection.Ascending));

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• tsql proc logic help

  - by bacis09

  I am weak in SQL and need some help working through some logic with my proc. Three pieces: store procedure, table1, table2 Table 1 stores most recent data for specific IDs Customer_id status_dte status_cde app_dte 001 2010-04-19 Y 2010-04-19 Table 2 stores history of data for specific customer IDs: For example: Log_id customer_Id status_dte status_cde 01 001 2010-04-20 N 02 001 2010-04-19 Y 03 001 2010-04-19 N 04 001 2010-04-19 Y The stored proecure currently throws an error if the status date from table1 is < than app_date in table1. If @status_dte < app_date Error Note: @status_dte is a variable stored as the status_dte from table1 However, I want it to throw an error when the EARLIEST status_dte from table 2 with a status_cde of 'Y' is less than the app_dte column in table 1. Keep in mind that this earliest date is not stored anywhere, the history of data changes per customer. Another customer might have the following history. Log_id customer_Id status_dte status_cde 01 002 2010-04-20 N 02 002 2010-04-18 N 03 002 2010-04-19 Y 04 002 2010-04-19 Y Any ideas on how I can approach this?

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• SimpleModal, no response from ASP.NET button

  - by bhsstudio

  Hi, I have the following code. $(document).ready(function() { $('#btnOpen').click(function(e) { $('#content').modal({ onOpen: function(dialog) { dialog.overlay.fadeIn('slow', function() { dialog.data.hide(); dialog.container.fadeIn('slow', function() { dialog.data.slideDown('slow'); }); }); }, onClose: function(dialog) { dialog.data.fadeOut('slow', function() { dialog.container.slideUp('slow', function() { dialog.overlay.fadeOut('slow', function() { $.modal.close(); // must call this! }); }); }); } }); }); $('#btnClose').click(function(e) { $.modal.close(); }); If I use <a hrf ="#" id="btnOpen">Open</a>, it works perfectly. If I replace the with an ASP.net Button, <asp:Button ID="btnOpen" runat="server" Text="Open" />, nothing happened... Any help please?

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• c# wrapper for a c DLL

  - by Without me Its just Aweso

  I'm attempting to write a wrapper so that my C# application can use a DLL written in C. Here is a method defintion that i'm trying to wrap: void methodA(const uint32_t *data); //c header declaration The issue I'm having is trying to figure out how to give a equivalent pointer from c#. In c# I want it to operate on a: UInt32 data[] //my c# object i want to be able to pass in but how do I give an equivalent pointer in my wrapper? I have tried ref data //my attempt at giving an equivalent pointer to the DLL but that doesnt seem to be working. Using debug statements in the DLL I can see that the values it gets that way are not what I'm attempting to pass in. So my question boils down to have do I properly wrap a c fuction that is using a pointer to reference an array?

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• Spotlight search with PHP

  - by htf

  Hi. I want to add a spotlight search functionality - search results being displayed with rich contents like thumbnail etc in a drop down menu changing on each keyup event - just like the apple.com search - to a site, having data in MySQL InnoDB tables. The data is spread into separate tables for categories, help pages, blog pages and so on. The search script must take into account just a subset of columns. Since it seems to be a popular demand, I guess there are some PHP search engine projects (preferably open-source and with memcached support), which could be integrated into the existing system on the basis of regular exports of relevant data from the working db/tables. Are there any solutions out there? Which one would you recommend? Or maybe it would be better to implement it the other way around? Thanks

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• Hibernate or JPA or JDBC or ???

  - by Yatendra Goel

  I am developing a Java Desktop Application but have some confusions in choosing a technology for my persistence layer. Till now, I have been using JDBC for DB operations. Now, Recently I learnt Hibernate and JPA but still I am a novice on these technologies. Now my question is What to use for my Java Desktop Application from the following? JPA Hibernate JDBC DAO any other suggestion from you... I know that there is no best choice from them and it totally depends on the complexity and the requeirements of the project so below are the requirements of my project It's not a complex application. It contains only 5 tables (and 5 entities) I wan't to make my code flexible so that I can change the database later easily The size of the application should remain as small as possible as I will have to distribute it to my clients through internet. It must be free to use in commercial development and distribution.

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• Start multiple processes of a dll in delphi

  - by Tom

  I have a "ActiveX library" project created with Delphi 2007. The library interface return XML data based on input values. This is then used by a PHP script that displays the data on a web page. This works great! The problem is that i can only run one instance of the dll process on the server. However, for security reasons, each of my customer should be able to access their own process of the dll (because the dll is always connected to only one database). Also, because of the way the delphi code is built, it doesn't support multiple threads. (It's a 100 000+ lines project using lots of singleton classes) Is there a way of starting several instances of the same dll? Is there a better way of transferring XML data from delphi to PHP? Sorry for the longish question, any help is appreciated (ps. I know the delphi code should be refactored, but this would mean 6 months of "circular reference" -hell :)

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• serial port close hangs in compact frame work 3.5

  - by ananda

  I have developed the application for windows mobile 5.0 and .net compact framework 2.0 sp2. This application communicates to the hardware device using serial port. This application works fine in windows mobile 5.0 based PDAs. I have handled data received event to get the data from serial port. But when I run my application on windows mobile 6.1 and .net compact framework 3.5, my application hangs on serial port close API call. There are many workarounds mentioned in the .net compact framework blog like (closing the com port on different thread, opening the port in the beginning of the application and close once application exists, polling for data instead of event handling), but nothing is working consistently.

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• SQL IDENTITY COLUMN

  - by andreas

  Hey guys i am have an sql table which is basically a statement. Now lest say the records i have in my table have a date and an identity column which is autonumbered and defines the order which the transactions are displayed in the front end to the client. The issue is during an insert some of the data have gone missing and some transactions between two dates are missing. I need to insert the data into the table but i need to insert them between the dates and not at the end of the table.If i do a a normal insert now the data will appear at the end of the table and not at the date i specify because the identity column is autonumbered and cannot be updated. Thanks

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• t-sql recursive query

  - by stackoverflowuser

  Based on an existing table I used CTE recursive query to come up with following data. But failing to apply it a level further. Data is as below id name parentid -------------------------- 1 project 0 2 structure 1 3 path_1 2 4 path_2 2 5 path_3 2 6 path_4 3 7 path_5 4 8 path_6 5 I want to recursively form full paths from the above data. Means the recursion will give the following output. FullPaths ------------- Project Project\Structure Project\Structure\Path_1 Project\Structure\Path_2 Project\Structure\Path_3 Project\Structure\Path_1\path_4 Project\Structure\Path_2\path_5 Project\Structure\Path_3\path_6 Thanks

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• ASP.NET MVC: dealing with Version field.

  - by alex2k8

  I have a versioned model: public class VersionedModel { public Binary Version { get; set; } } Rendered using <%= Html.Hidden("Version") %> it gives: <input id="Version" name="Version" type="hidden" value="&quot;AQID&quot;" /> that looks a bit strange. Any way, when the form submitted, the Version field is always null. public ActionResult VersionedUpdate(VersionedModel data) { ... } How can I pass Version over the wire? EDIT: A naive solution is: public ActionResult VersionedUpdate(VersionedModel data) { data.Version = GetBinaryValue("Version"); } private Binary GetBinaryValue(string name) { return new Binary(Convert.FromBase64String(this.Request[name].Replace("\"", ""))); }

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• How do I save a copy of the clipboard and then revert back to it?

  - by cksubs

  I'm reading words in a text box by simulating the key presses required to highligh and copy the text. When I'm done, I want the clipboard to be exactly how I found it. I was hoping I'd be able to do something like this: IDataObject clipboardBackup = Clipboard.GetDataObject(); Clipboard.Clear(); //Save other things into the clipboard here, etc// Clipboard.SetDataObject(clipboardBackup); But that doesn't seem to work. It looks like you can go the route of specifically trying for text, audio, pictures, etc. and then saving them accordingly. (I guess 'data object' is specialized like that in my example too, I was hoping it was generic.) I'd prefer not to use cases for every possible type of clipboard data, both to be more concise and to make sure I never lose the data regardless of format. Any tips for grabbing any and all of the clipboard and then restoring it?

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• browser back acts on nested iframe before the page itself - is there a way to avoid it??

  - by kfiroo

  hi, i have a page with dynamic data loaded by some ajax and lots of javascript. the page contains a list from which the user can choose and each selected value loads new data to the page. one of these data items is a url provided to an iframe. i use jQuery BBQ: Back Button & Query Library to simulate the browser-back behavior. all works well besides the fact that when i click the back button for the first time the iframe goes back to its previous location and then i need to click back again to make the page go back. is there a way to disable the iframe's back behavior?

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