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  • How to display a Dialog on window created using XCreateWindow in QT 4.5.2

    - by Ummar
    I am doing work on project. In which I have developed a full size screen displaying images using XCreateWindow. Now I want to display a dialog on this screen. I have created a QDialog it does'nt show on the full size screen but it is displayed on screen when it is not full size. Any Help. My code for creating screen and dialogbox is as follows XSetWindowAttributes attribs; XClassHint *classhints; XSizeHints *sizehints; int wndwidth, wndheight; long input_mask, ic_input_mask; XEvent xevent; wndwidth = fullscreen ? WidthOfScreen(screen) : width; wndheight = fullscreen ? HeightOfScreen(screen) : height; attribs.background_pixel = BlackPixelOfScreen(screen); attribs.backing_store = ownbackstore ? NotUseful : Always; attribs.override_redirect = fullscreen; wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, wndwidth, wndheight, 0, CopyFromParent, InputOutput, CopyFromParent, CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); XRaiseWindow(display, wnd); //QDialog I want to show on wnd(XCreateWindow) ToolbarDialog *objToolbarDialog= new ToolbarDialog(); objToolbarDialog->setVisible(true); objToolbarDialog->showNormal();

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  • jquery timout funcation not work properly

    - by 3gwebtrain
    HI, i ma using the settimeout function to display block and append to 'li', once the mouseover. and i just want to remove the block and make it none. in my funcation works fine. but problem is even just my mouse cross the li, it self the block getting visibile. how to avoid this? my code is: var thisLi; var storedTimeoutID; $("ul.redwood-user li,ul.user-list li").live("mouseover", function(){ thisLi = $(this); var needShow = thisLi.children('a.copier-link'); if($(needShow).is(':hidden')){ storedTimeoutID = setTimeout(function(){$(thisLi).children('a.copier-link').appendTo(thisLi).show();},3000); } else{ storedTimeoutID = setTimeout(function(){$(thisLi).siblings().children('a.copier-link').appendTo(thisLi).show();},3000); } }); $("ul.redwood-user li,ul.user-list li").live("mouseleave", function(){ clearTimeout(storedTimeoutID); //$('ul.redwood-user li').children('a.copier-link').hide(); $('ul.user-list li').children('a.copier-link').hide(); });

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  • Valgrind 'noise', what does it mean?

    - by Chris Huang-Leaver
    When I used valgrind to help debug an app I was working on I notice a huge about of noise which seems to be complaining about standard libraries. As a test I did this; echo 'int main() {return 0;}' | gcc -x c -o test - Then I did this; valgrind ./test ==1096== Use of uninitialised value of size 8 ==1096== at 0x400A202: _dl_new_object (in /lib64/ld-2.10.1.so) ==1096== by 0x400607F: _dl_map_object_from_fd (in /lib64/ld-2.10.1.so) ==1096== by 0x4007A2C: _dl_map_object (in /lib64/ld-2.10.1.so) ==1096== by 0x400199A: map_doit (in /lib64/ld-2.10.1.so) ==1096== by 0x400D495: _dl_catch_error (in /lib64/ld-2.10.1.so) ==1096== by 0x400189E: do_preload (in /lib64/ld-2.10.1.so) ==1096== by 0x4003CCD: dl_main (in /lib64/ld-2.10.1.so) ==1096== by 0x401404B: _dl_sysdep_start (in /lib64/ld-2.10.1.so) ==1096== by 0x4001471: _dl_start (in /lib64/ld-2.10.1.so) ==1096== by 0x4000BA7: (within /lib64/ld-2.10.1.so) * large block of similar snipped * ==1096== Use of uninitialised value of size 8 ==1096== at 0x4F35FDD: (within /lib64/libc-2.10.1.so) ==1096== by 0x4F35B11: (within /lib64/libc-2.10.1.so) ==1096== by 0x4A1E61C: _vgnU_freeres (vg_preloaded.c:60) ==1096== by 0x4E5F2E4: __run_exit_handlers (in /lib64/libc-2.10.1.so) ==1096== by 0x4E5F354: exit (in /lib64/libc-2.10.1.so) ==1096== by 0x4E48A2C: (below main) (in /lib64/libc-2.10.1.so) ==1096== ==1096== ERROR SUMMARY: 3819 errors from 298 contexts (suppressed: 876 from 4) ==1096== malloc/free: in use at exit: 0 bytes in 0 blocks. ==1096== malloc/free: 0 allocs, 0 frees, 0 bytes allocated. ==1096== For counts of detected errors, rerun with: -v ==1096== Use --track-origins=yes to see where uninitialised values come from ==1096== All heap blocks were freed -- no leaks are possible. You can see the full result here: http://pastebin.com/gcTN8xGp I have two questions; firstly is there a way to suppress all the noise? --show-below-main is set to no by default, but there doesn't appear to be a --show-after-main equivalent.

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  • What Javascript graphing package will let me plot points against a user-selected coordinate system?

    - by wes
    My customer has some specific requirements for a graph to show in our web app. We use HighCharts elsewhere in the app for more traditional graphing, but it doesn't seem to work for this situation. Their requirements: Allow the user to select a background image, set the scale and origin of the coordinate system. We'll graph our points against the user-defined coordinates. Points can be color coded Mouse-over boxes show more detail about the points Support for zooming and panning, scaling the background appropriately Less importantly: Support for drawing vectors off the points Some of this seems basic, but looking around at different graph packages, I was unable to find any with an example of this kind of usage. I've entertained the thought of just hacking it together in canvas myself, but I've never worked with canvas before so I don't think it would be cost effective. The basics of plotting points with a scaled coordinate system against an image background wouldn't be too hard, but the mouse-over details, zooming and panning sound much more daunting to me. More info: Right now we use jQuery, HighCharts, and ExtJS for our app. We tried flot in the past but switched to HighCharts after flot didn't meet our needs.

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  • Previous layer not showing

    - by meep
    Hello I got a menu which can foldout and show some content based on the menu item. See demo: http://arcticbusinessnetwork.com.web18.curanetserver.dk/home.aspx If I hover the menu it works great, but if I click on "Raw Material", I can not access the PREVIOUS tab (Infrastructure) while the others fade in great. How can this be? This is the javascript <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js"></script> <script type="text/javascript" src="/js/jquery.hoverIntent.min.js"></script> <script type="text/javascript"> $(document).ready(function () { function megaHoverOver() { $(this).find(".menu_content").stop().fadeTo('fast', 1).show(); } function megaHoverOut() { $(this).find(".menu_content").stop().fadeTo('fast', 0, function () { $(this).hide(); }); } var config = { sensitivity: 2, interval: 50, over: megaHoverOver, timeout: 300, out: megaHoverOut }; $("#menu ul li").not(".parenttocurrent").not(".current").find(".menu_content").css({ 'opacity': '0' }); $("#menu ul li").not(".parenttocurrent").not(".current").hoverIntent(config); }); </script>

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  • Updating progress dialog in Activity from AsyncTask

    - by Laimoncijus
    In my app I am doing some intense work in AsyncTask as suggested by Android tutorials and showing a ProgressDialog in my main my activity: dialog = ProgressDialog.show(MyActivity.this, "title", "text"); new MyTask().execute(request); where then later in MyTask I post results back to activity: class MyTask extends AsyncTask<Request, Void, Result> { @Override protected Result doInBackground(Request... params) { // do some intense work here and return result } @Override protected void onPostExecute(Result res) { postResult(res); } } and on result posting, in main activity I hide the dialog: protected void postResult( Result res ) { dialog.dismiss(); // do something more here with result... } So everything is working fine here, but I would like to somehow to update the progress dialog to able to show the user some real progress instead just of dummy "Please wait..." message. Can I somehow access the progress dialog from MyTask.doInBackground, where all work is done? As I understand it is running as separate Thread, so I cannot "talk" to main activity from there and that is why I use onPostExecute to push the result back to it. But the problem is that onPostExecute is called only when all work is already done and I would like to update progress the dialog in the middle of doing something. Any tips how to do this?

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  • Flash/uploadify filereference.upload not working, unknown reason

    - by BotskoNet
    I've been using the uploadify jquery for a long time - this tool has been working on several different servers for quite a while. Recently, on rackspace cloud sites accounts, the uploads stopped working. There's been no change to our code and our code works perfectly on other servers. I'm having trouble finding the issue, here's what happens: The filereference.upload is called, we provide all of the proper info - url, filename, etc The URL is http, and is correct. When visited through a web browser it works All debugging and tracing show that our code is running correctly The DataEvent.UPLOAD_COMPLETE_DATA evens never trigger The ProgressEvent.PROGRESS events never trigger. Server access logs and application traffic logs never show any requests coming to the upload script. Based on all of this info, it seems that: Our script works fine, file.upload is called properly Event.OPEN is fired. Traffic never reaches the server No io/http errors are called. file.upload does return false, but it also returns false on servers that the upload works, and the complete events are called. We're not using any firewalls or proxies on our end, and these tools work perfectly on other servers. But, these sites that are on the rackspace cloud sites all share this problem. However, a site that was in development a few months ago worked just fine on the same rackspace ckoud sites account. Trying the flash build from that version still won't work now. How can I go about finding out what's breaking between the file.upload and the reaching the server?

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  • gdb: Cannot find new threads: generic error

    - by Alexander Gladysh
    When I run GDB against a program which loads a .so which is linked to pthreads, GDB reports error "Cannot find new threads: generic error". I probably miss something in my Ubuntu configuration (as it was installed from minimal install). Any clues? $ gdb --args lua -lluarocks.require GNU gdb (GDB) 7.0-ubuntu Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/lua...(no debugging symbols found)...done. (gdb) run Starting program: /usr/bin/lua -lluarocks.require Lua 5.1.4 Copyright (C) 1994-2008 Lua.org, PUC-Rio require 'ev' [Thread debugging using libthread_db enabled] Cannot find new threads: generic error (gdb) q A debugging session is active. Inferior 1 [process 4986] will be killed. Quit anyway? (y or n) y This function gets called on require 'ev': http://github.com/brimworks/lua-ev/blob/master/lua_ev.c#L25-65 Additional information about my system: $ uname -a Linux localhost 2.6.31-20-generic #58-Ubuntu SMP Fri Mar 12 04:38:19 UTC 2010 x86_64 GNU/Linux $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 9.10 Release: 9.10 Codename: karmic

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  • Providing lat/long AND title in iOS Maps URL seems to cause zoom level to be ignored

    - by Ian Howson
    I'm writing an iOS app that shows a location in Maps upon a user action. I'd like to drop a pin with a description and zoom in to show map detail. If I invoke Maps with the url http://maps.google.com/maps?q=-33.895851,151.18483+(Some+Description)&z=19 I get a pin with 'Some Description', but the zoom level is ignored. This does work on the Google Maps website. If I use http://maps.google.com/maps?q=-33.895851,151.18483&z=19 the zoom works, but I get no pin. I've tried a few combinations of ?q=, ?ll= and ?sll=, but so far, nothing will change zoom and show a description. Any clues? Just so we're really clear, here are some screenshots. I want this to work on a real device (i.e. with iOS Maps). The simulator uses Google Maps through Safari. Here's what I see with URL 1 ([[UIApplication sharedApplication] openURL:[NSURL URLWithString: @"http://maps.google.com/maps?q=-33.895851,151.18483+(Some+Description)&z=19"]];) This is URL 2 ([[UIApplication sharedApplication] openURL:[NSURL URLWithString: @"http://maps.google.com/maps?q=-33.895851,151.18483&z=19"]];): This is relikd's suggestion ([[UIApplication sharedApplication] openURL:[NSURL URLWithString: @"http://maps.google.com/maps?z=19&q=-33.895851,151.18483+(Some+Description)"]];): I want the image I see in screenshot 2, but with a pin and a description.

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  • C# KeyEvent doesn't log the enter/return key

    - by Pieter888
    Hey all, I've been making this login form in C# and I wanted to 'submit' all the data as soon as the user either clicks on submit or presses the enter/return key. I've been testing a bit with KeyEvents but nothing so far worked. void tbPassword_KeyPress(object sender, KeyPressEventArgs e) { MessageBox.Show(e.KeyChar.ToString()); } The above code was to test if the event even worked in the first place. It works perfectly, when I press 'd' it shows me 'd' when I press '8' it shows me '8' but pressing enter doesn't do anything. So I though this was because enter isn't really bound to a character but it did show backspace, it worked just fine so it got me confused about why it didn't register my enter key. So the question is: How do I log the enter/return key? and why doesn't it log the key press right right now like it should? note: I've put the event in a textbox tbPassword.KeyPress += new KeyPressEventHandler(tbPassword_KeyPress); So it fires when the enter button is pressed WHILE the textbox is selected (which is was the whole time of course) maybe that has something to do with the execution of the code.

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  • How do you store accented characters coming from a web service into a database?

    - by Thierry Lam
    I have the following word that I fetch via a web service: André From Python, the value looks like: "Andr\u00c3\u00a9". The input is then decoded using json.loads: >>> import json >>> json.loads('{"name":"Andr\\u00c3\\u00a9"}') >>> {u'name': u'Andr\xc3\xa9'} When I store the above in a utf8 MySQL database, the data is stored like the following using Django: SomeObject.objects.create(name=u'Andr\xc3\xa9') Querying the name column from a mysql shell or displaying it in a web page gives: André The web page displays in utf8: <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> My database is configured in utf8: mysql> SHOW VARIABLES LIKE 'collation%'; +----------------------+-----------------+ | Variable_name | Value | +----------------------+-----------------+ | collation_connection | utf8_general_ci | | collation_database | utf8_unicode_ci | | collation_server | utf8_unicode_ci | +----------------------+-----------------+ 3 rows in set (0.00 sec) mysql> SHOW VARIABLES LIKE 'character_set%'; +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ 8 rows in set (0.00 sec) How can I retrieve the word André from a web service, store it properly in a database with no data loss and display it on a web page in its original form?

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  • DRYing up Rails Views with Nested Resources

    - by viatropos
    What is your solution to the problem if you have a model that is both not-nested and nested, such as products: a "Product" can belong_to say an "Event", and a Product can also just be independent. This means I can have routes like this: map.resources :products # /products map.resources :events do |event| event.resources :products # /events/1/products end How do you handle that in your views properly? Note: this is for an admin panel. I want to be able to have a "Create Event" page, with a side panel for creating tickets (Product), forms, and checking who's rsvp'd. So you'd click on the "Event Tickets" side panel button, and it'd take you to /events/my-new-event/tickets. But there's also a root "Products" tab for the admin panel, which could list tickets and other random products. The 'tickets' and 'products' views look 90% the same, but the tickets will have some info about the event it belongs to. It seems like I'd have to have views like this: products/index.haml products/show.haml events/products/index.haml events/products/show.haml But that doesn't seem DRY. Or I could have conditionals checking to see if the product had an Event (@product.event.nil?), but then the views would be hard to understand. How do you deal with these situations? Thanks so much.

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  • Error Message-The source attachment does not contain the source for the file ListView.class

    - by user603695
    Hello, new to Android. I get the following message in the debugger perspective: The source attachment does not contain the source for the file ListView.class You can change the source attachment by clicking the change attached Source Below Needless to say the app errors. I've tried to change the source attachment to the location path: C:/Program Files/Android/android-sdk-windows/platforms/android-8/android.jar However, this did not work. Any thoughts would be much appreciated. Code is: import android.app.ListActivity; import android.os.Bundle; import android.view.*; import android.widget.*; public class HelloListView extends ListActivity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setListAdapter(new ArrayAdapter<String>(this, R.layout.main, COUNTRIES)); ListView lv = getListView(); lv.setTextFilterEnabled(true); lv.setOnItemClickListener(new AdapterView.OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // When clicked, show a toast with the TextView text Toast.makeText(getApplicationContext(), ((TextView) view).getText(), Toast.LENGTH_SHORT).show(); } }); } static final String[] COUNTRIES = new String[] { "Afghanistan", "Albania", "Algeria", "American Samoa... Thanks!

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  • Creating has_many :through records 2x times

    - by antiarchitect
    I have models class Question < ActiveRecord::Base WEIGHTS = %w(medium hard easy) belongs_to :test has_many :answers, :dependent => :destroy has_many :testing_questions end class Testing < ActiveRecord::Base belongs_to :student, :foreign_key => 'user_id' belongs_to :subtest has_many :testing_questions, :dependent => :destroy has_many :questions, :through => :testing_questions end So when I try to bind questions to testing on it's creation: >> questions = Question.all ... >> questions.count => 3 >> testing = Testing.create(:user_id => 3, :subtest_id => 1, :questions => questions) Testing Columns (0.9ms) SHOW FIELDS FROM `testings` SQL (0.1ms) BEGIN SQL (0.1ms) COMMIT SQL (0.1ms) BEGIN Testing Create (0.3ms) INSERT INTO `testings` (`created_at`, `updated_at`, `user_id`, `subtest_id`) VALUES('2010-05-18 00:53:05', '2010-05-18 00:53:05', 3, 1) TestingQuestion Columns (0.9ms) SHOW FIELDS FROM `testing_questions` TestingQuestion Create (0.3ms) INSERT INTO `testing_questions` (`question_id`, `created_at`, `updated_at`, `testing_id`) VALUES(1, '2010-05-18 00:53:05', '2010-05-18 00:53:05', 31) TestingQuestion Create (0.4ms) INSERT INTO `testing_questions` (`question_id`, `created_at`, `updated_at`, `testing_id`) VALUES(2, '2010-05-18 00:53:05', '2010-05-18 00:53:05', 31) TestingQuestion Create (0.3ms) INSERT INTO `testing_questions` (`question_id`, `created_at`, `updated_at`, `testing_id`) VALUES(3, '2010-05-18 00:53:05', '2010-05-18 00:53:05', 31) TestingQuestion Create (0.3ms) INSERT INTO `testing_questions` (`question_id`, `created_at`, `updated_at`, `testing_id`) VALUES(1, '2010-05-18 00:53:05', '2010-05-18 00:53:05', 31) TestingQuestion Create (0.3ms) INSERT INTO `testing_questions` (`question_id`, `created_at`, `updated_at`, `testing_id`) VALUES(2, '2010-05-18 00:53:05', '2010-05-18 00:53:05', 31) TestingQuestion Create (0.3ms) INSERT INTO `testing_questions` (`question_id`, `created_at`, `updated_at`, `testing_id`) VALUES(3, '2010-05-18 00:53:05', '2010-05-18 00:53:05', 31) SQL (90.2ms) COMMIT => #<Testing id: 31, subtest_id: 1, user_id: 3, created_at: "2010-05-18 00:53:05", updated_at: "2010-05-18 00:53:05"> There is 6 SQL queries and 6 records in testing_questions are created. Why?

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  • Animated transitions in WPF

    - by arconaut
    I can't figure out what I'm missing here. Here's the problem: Consider a (Control|Data)Template with a Trigger that switches visibility of some inner UI elements. E.g. show a TextBlock when IsReadOnly==true and show a TextBox when IsReadOnly==false. Everything is perfect if you do this without animation - one or two setters would do the job. But what if you want a fancy animation? Then you would specify which animations to start in EnterActions and ExitActions. But the problem is what exactly the animations should do? Modifying width/height seems really ugly, because fixed sizes in WPF are almost always a wrong way to go and also it's absolutely unflexible. So far, the best I've come up with is modifying MaxHeight/MaxWidth to some extent, this gives just a little more flexibility but still seems brutal. How do you tell WPF to animate Width/Height of an element from 0 to "as much as needed"? UPD: Currently I do animate Opacity and RenderTransform, and it works. It's just that sometimes I'd like to see animations where elements slide around without transformation. This is not a critical question, but a quite interesting one for me.

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  • jQuery event "looping"

    - by Deryck
    Hi I´m trying to code a tooltip (Yes I know, I have my reasons to avoid plugins in this case) in jQuery. Whe I show the tooltip and leave the mouse in the same place the show and hide repeats forever. It´s like the element triggers the hover event again and again and again. I try unbind for the event but it does not work neither. $("td.with-tooltip").mouseover( function() { var offset = $(this).offset(); var baseX = offset.left; var baseY = offset.top; var inputWidth = $(this).width(); var baseX = baseX + 50; var baseY = baseY - $(".desc").height(); $(".desc div").html($(this).attr("title")); $(".desc").css({"position":"absolute", "left": baseX, "top": baseY }).fadeIn(); $(this).unbind("mouseover"); }).mouseleave( function() { $(".desc").fadeOut(); }); What can I do? thanks.

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  • Offline Mapping API

    - by Aaron M
    Are there any services available that allow me to manipulate maps in an offline setting? I am working on a project that requires me to take a map and based on features on the map, generate a game world. I have looked at a few of the API's for different providers: Google, ms, etc. The API's I looked seem to be strictly showing a user a map. I am looking for something that allows me to create a derivative of a map (the Gameworld), that will never be seen by the public, and is only used by the game engine. However one caveat is that I would like to be able to link the derivative created for use by the game engine, with something I can show the user. As an example. Think of a cross country racing sim. Users cannot control the vehicles directly in this game, they can only control the cars setup, driver, etc. I create a gameworld from a map. The gameworld data (driver position, etc) is overlayed onto a real map. A race might last several days. The only interaction users have with the real map is viewing their position on the map, and where they are in relation to the others. I don't want to violate the terms of the API here. I read Googles API TOS, and it seems to me that creating the gameworld would violdate their TOS. The features I really need are the following The ability to locate a specific place on the map by lat/long The ability/rights to grab those maps and save them as an image file temporarily for processing The ability/rights to store a gameworld that is based on the real map The ability to show a user a map with an overlay (this is optional. I can use googles API, or any other one that supports lat/long.)

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  • How we Can post Video and Image in ASIHTTPRequest ?

    - by GhostRider
    I want to post one image to my webservice and one video too , but problem is that when it go to video part it give me Excess-bad Error NSString *url = [NSString stringWithFormat:@"http://example.com/add_videoxml.php"]; networkQueue = [[ASINetworkQueue alloc] init]; [networkQueue cancelAllOperations]; [networkQueue setShowAccurateProgress:YES]; //[networkQueue setUploadProgressDelegate:progressBar]; [networkQueue setDelegate:self]; [networkQueue setRequestDidFinishSelector:@selector(requestFinished:)]; [networkQueue setRequestDidFailSelector: @selector(requestFailed:)]; request= [[ASIFormDataRequest alloc] initWithURL:[NSURL URLWithString:url]] ; [request setPostValue:@"284" forKey:@"id"]; [request setPostValue:@"show" forKey:@"show"]; [request addRequestHeader:@"Content-Type" value:@"multipart/form-data;boundary=---------------------------1842378953296356978857151853"]; NSData *imgData=UIImageJPEGRepresentation(userImage, 0.9); if(imgData != nil){ [request setFile:imgData withFileName:@"Loveatnight" andContentType:@"image/jpeg" forKey:@"image"]; } //[request addRequestHeader:@"Content-Type" // value:@"multipart/form-data;boundary=---------------------------1842378953296356978857151853"]; if(videoData != nil){ [request setFile:videoData withFileName:@"Loveishard" andContentType:@"image/jpeg" forKey:@"uploadfile"]; }// error is come on that line [request setTimeOutSeconds:500]; //NSLog(@"%@",request); [networkQueue addOperation:request]; [networkQueue go]; Added by the OP [request setFile:videoData withFileName:@"Loveishard" andContentType:@"video/quicktime" forKey:@"uploadfile"]; i use this becuase my video formate is mov , but it again give error

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  • Incorrect syntax inserting data into table

    - by SelectDistinct
    I am having some trouble with my update() method. The idea is that the user Provides a recipe name, ingredients, instructions and then selects an image using Filestream. Once the user clicks 'Add Recipe' this will call the update method, however as things stand I am getting an error which is mentioning the contents of the text box: Here is the update() method code: private void updatedata() { // filesteam object to read the image // full length of image to a byte array try { // try to see if the image has a valid path if (imagename != "") { FileStream fs; fs = new FileStream(@imagename, FileMode.Open, FileAccess.Read); // a byte array to read the image byte[] picbyte = new byte[fs.Length]; fs.Read(picbyte, 0, System.Convert.ToInt32(fs.Length)); fs.Close(); //open the database using odp.net and insert the lines string connstr = @"Server=mypcname\SQLEXPRESS;Database=RecipeOrganiser;Trusted_Connection=True"; SqlConnection conn = new SqlConnection(connstr); conn.Open(); string query; query = "insert into Recipes(RecipeName,RecipeImage,RecipeIngredients,RecipeInstructions) values (" + textBox1.Text + "," + " @pic" + "," + textBox2.Text + "," + textBox3.Text + ")"; SqlParameter picparameter = new SqlParameter(); picparameter.SqlDbType = SqlDbType.Image; picparameter.ParameterName = "pic"; picparameter.Value = picbyte; SqlCommand cmd = new SqlCommand(query, conn); cmd.Parameters.Add(picparameter); cmd.ExecuteNonQuery(); MessageBox.Show("Image successfully saved"); cmd.Dispose(); conn.Close(); conn.Dispose(); Connection(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } } Can anyone see where I have gone wrong with the insert into Recipes query or suggest an alternative approach to this part of the code?

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  • Very slow guards in my monadic random implementation (haskell)

    - by danpriduha
    Hi! I was tried to write one random number generator implementation, based on number class. I also add there Monad and MonadPlus instance. What mean "MonadPlus" and why I add this instance? Because of I want to use guards like here: -- test.hs -- import RandomMonad import Control.Monad import System.Random x = Rand (randomR (1 ::Integer, 3)) ::Rand StdGen Integer y = do a <-x guard (a /=2) guard (a /=1) return a here comes RandomMonad.hs file contents: -- RandomMonad.hs -- module RandomMonad where import Control.Monad import System.Random import Data.List data RandomGen g => Rand g a = Rand (g ->(a,g)) | RandZero instance (Show g, RandomGen g) => Monad (Rand g) where return x = Rand (\g ->(x,g)) (RandZero)>>= _ = RandZero (Rand argTransformer)>>=(parametricRandom) = Rand funTransformer where funTransformer g | isZero x = funTransformer g1 | otherwise = (getRandom x g1,getGen x g1) where x = parametricRandom val (val,g1) = argTransformer g isZero RandZero = True isZero _ = False instance (Show g, RandomGen g) => MonadPlus (Rand g) where mzero = RandZero RandZero `mplus` x = x x `mplus` RandZero = x x `mplus` y = x getRandom :: RandomGen g => Rand g a ->g ->a getRandom (Rand f) g = (fst (f g)) getGen :: RandomGen g => Rand g a ->g -> g getGen (Rand f) g = snd (f g) when I run ghci interpreter, and give following command getRandom y (mkStdGen 2000000000) I can see memory overflow on my computer (1G). It's not expected, and if I delete one guard, it works very fast. Why in this case it works too slow? What I do wrong?

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  • Jquery Cycle in Drupal - onAfter effect not working.

    - by jdln
    Im using the views slideshow module for drupal which uses the jquery cycle plugin. Here is my first simple slideshow where everything works properly: smartpeopletalkfast.co.uk/slideshow3/one Here is my 2nd slideshow: smartpeopletalkfast.co.uk/slideshow3/two Im trying to use the onAfter function. I want the next and previous buttons to be hidden when at the end of their cycle. This is demonstrated here: jquery.malsup.com/cycle/after.html The first slideshow that's working has these controls: prev: #prev1, next: #next1 The 2nd slideshow has these: prev: #prev1, next: #next1, end: onAfterr, timeout: 0 And Ive added this to the beginning of my document head. <script type="text/javascript"> function onAfterr(curr, next, opts) { var index = opts.currSlide; $('#prev1')[index == 0 ? 'hide' : 'show'](); $('#next1')[index == opts.slideCount - 1 ? 'hide' : 'show'](); } </script> I changed onAfter to onAfterr in case of a conflict. Nothing ive tried works and ive no idea why! Thanks

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  • I dont know how or where to add the correct encoding code to this iPhone code...

    - by BC
    Ok, I understand that using strings that have special characters is an encoding issue. However I am not sure how to adjust my code to allow these characters. Below is the code that works great for text that contains no special characters, but can you show me how and where to change the code to allow for the special characters to be used. Right now those characters crash the app. enter code here - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{ if (buttonIndex == 1) { //iTunes Audio Search NSString *stringURL = [NSString stringWithFormat:@"http://phobos.apple.com/WebObjects/MZSearch.woa/wa/search?WOURLEncoding=ISO8859_1&lang=1&output=lm&term=\"%@\"",currentSong.title]; stringURL = [stringURL stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; NSURL *url = [NSURL URLWithString:stringURL]; [[UIApplication sharedApplication] openURL:url]; } } And this: -(IBAction)launchLyricsSearch:(id)sender{ WebViewController * webView = [[WebViewController alloc] initWithNibName:@"WebViewController" bundle:[NSBundle mainBundle]]; webView.webURL = [NSString stringWithFormat:@"http://www.google.com/m/search?hl=es&q=\"%@\"+letras",currentSong.title]; webView.webTitle = @"Letras"; [self.navigationController pushViewController:webView animated:YES]; } Please show me how and where to do this for these two bits of code.

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  • ListCtrl - wxPython / Python

    - by Francisco Aleixo
    Hello everyone. My question is if we can assign/bind some value to a certain item and hide that value(or if we can do the same thing in another way). Example: Lets say the columns on ListCtrl are "Name" and "Description": self.lc = wx.ListCtrl(self, -1, style=wx.LC_REPORT) self.lc.InsertColumn(0, 'Name') self.lc.InsertColumn(1, 'Description') And when I add a item I want them to show the Name parameter and the description: num_items = self.lc.GetItemCount() self.lc.InsertStringItem(num_items, "Randomname") self.lc.SetStringItem(num_items, 1, "Some description here") Now what I want to do is basically assign something to that item that is not shown so I can access later on the app. So I would like to add something that is not shown on the app but is on the item value like: hiddendescription = "Somerandomthing" Still didn't undestand? Well lets say I add a button to add a item with some other TextCtrls to set the parameters and the TextCtrls parameters are: "Name" "Description" "Hiddendescription" So then the user fills this textctrls out and clicks the button to create the item, and I basically want only to show the Name and Description and hide the "HiddenDescription" but to do it so I can use it later. Sorry for explaining more than 1 time on this post but I want to make sure you understand what I pretend to do.

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  • How do you parse the XDG/gnome/kde menu/desktop item structure in c++??

    - by Joe Soul-bringer
    I would like to parse the menu structure for Gnome Panels (the standard Gnome Desktop application launcher) and it's KDE equivalent using c/c++ function calls. That is, I'd like a list of what the base menu categories and submenu are installed in a given machine. I would like to do with using fairly simple c/c++ function calls (with NO shelling out please). I understand that these menus are in the standard xdg format. I understand that this menu structure is stored in xml files such as: /home/user/.config/menus/applications.menu I've look here: http://www.freedesktop.org/wiki/Specifications/menu-spec?action=show&redirect=Standards%2Fmenu-spec but all they offer is the standard and some shell files to insert item entries (I don't want shell scripts, I don't want installation, I definitely don't want to create a c-library from the XDG specification. I want to find the existing menu structure). I've looked here: http://library.gnome.org/admin/system-admin-guide/stable/menustructure-13.html.en for more notes on these structures. None of this gives me a good idea of how determine the menu structures using a c/c++ program. The actual gnome menu structures seem to be a horrifically hairy things - they don't seem to show the menu structure but to give an XML-coded description of all the changes that the menus have gone through since installation. I assume gnome panels parses these file so there's a function buried somewhere to do this but I've yet to find where that function is after scanning library.gnome.org for a couple of days. I've scanned the Nautilus source code as well but Panels seem to exist elsewhere or are burried well. Thanks in advance

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  • Silverlight RIA Services - Showing columns from multiple tables

    - by Villager
    Hello, I have been evaluating Silverlight and .NET RIA Services for my company. I am trying to decide if it is right for us. For the most part, I like it. But, I see one item that I am surprised that I cannot do easily. Because of this, I'm guessing I'm doing some thing wrong. To demonstrate, I have two database tables: Order ----- ID CustomerID OrderDate OrderNumber Customer -------- ID FirstName LastName Address When I create my Domain Service class, I select both of these tables. On the Silverlight application, I drag-and-drop the Order entity from the Data Sources page to my Silverlight page. When I do this, a DataGrid is added with all of the properties in the Order entity. In reality though, I would like the DataGrid to show: Order.OrderNumber Order.OrderDate Customer.FirstName Customer.LastName Because this information is spread across multiple tables, I'm not sure how to use RIA Services to show them in my Silverlight application. What is the recommended way to do this? Should I add a view in my database? Can I do it without touching the database? Thank you,

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