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  • css nth-child(2n+1) repaint css after filtering out list items

    - by Michael
    I have a list of 20+ items. The background-color changes using the :nth-child(2n+1) selector. (ie. even item black, odd item white). When I click a button to filter out specific items using the jQuery Isotope plugin it adds a .isotope-hidden class to the items I want to filter out, which changes the position of the list item to 0,0 and opacity to 0. When this happens the remaining items are left with the original black/white background-colors, which are now no longer in order. Does anyone know a way to "repaint' the css using the :nth-child(2n+1) selector on the items that do not contain the .isotope-hidden class. I tried #element tr:not(.isotope-hidden):nth-child(2n+1) with no avail. Any help would be appreciated. Thank you.

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  • Android threading and database locking

    - by Sena Gbeckor-Kove
    Hi, We are using AsyncTasks to access database tables and cursors. Unfortunately we are seeing occasional exceptions regarding the database being locked. E/SQLiteOpenHelper(15963): Couldn't open iviewnews.db for writing (will try read-only): E/SQLiteOpenHelper(15963): android.database.sqlite.SQLiteException: database is locked E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.native_setLocale(Native Method) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.setLocale(SQLiteDatabase.java:1637) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1587) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:638) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:659) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:652) E/SQLiteOpenHelper(15963): at android.app.ApplicationContext.openOrCreateDatabase(ApplicationContext.java:482) E/SQLiteOpenHelper(15963): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:193) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:98) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:158) E/SQLiteOpenHelper(15963): at com.iview.android.widget.IViewNewsTopStoryWidget.initData(IViewNewsTopStoryWidget.java:73) E/SQLiteOpenHelper(15963): at com.iview.android.widget.IViewNewsTopStoryWidget.updateNewsWidgets(IViewNewsTopStoryWidget.java:121) E/SQLiteOpenHelper(15963): at com.iview.android.async.GetNewsTask.doInBackground(GetNewsTask.java:338) E/SQLiteOpenHelper(15963): at com.iview.android.async.GetNewsTask.doInBackground(GetNewsTask.java:1) E/SQLiteOpenHelper(15963): at android.os.AsyncTask$2.call(AsyncTask.java:185) E/SQLiteOpenHelper(15963): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:256) E/SQLiteOpenHelper(15963): at java.util.concurrent.FutureTask.run(FutureTask.java:122) E/SQLiteOpenHelper(15963): at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:648) E/SQLiteOpenHelper(15963): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:673) E/SQLiteOpenHelper(15963): at java.lang.Thread.run(Thread.java:1060) Does anybody have a general example for code which writes to a database from a different thread than the one reading and how can we ensure thread safety. One suggestion I've had is to use a ContentProvider, as this would handle the access of the database from multiple threads. I am going to look at this, but is this the recommended method of handling such a problem? It seems rather heavyweight considering we're talking about in front or behind Thanks in advance.

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  • php, curl , php curl , multipart/form-data , upload picture redirect

    - by Michael
    I'm trying to upload some pictures using php cURL on a classified ad website .I think that I set all the parameters properly but I see that there is a kind of redirect after I post the picture . The issue is that the url where I'm getting redirected gives 404 error instead to return the html that it does when I make the post with a normal browser . here is the php code that I have so far " $URL = "http://api.classistatic.com/api/image/upload"; $s = "PAD001"; $v = "2"; $n = "k"; $a = "1:a126581b8150ddc1337cabce28f2feb53849fd143bd6e42649f90175c0e023e3"; $u = "@/var/www/html/artwork/tmp/!BszBLV!EGk~$(KGrHqEOKicEvMi8HVg(BL5ZbWvs0g~~_1.JPG"; $htmlContent = $baseClass-processPicturerequest($URL, $s, $v, $b, $n, $a, $u); The log from server is as following : http://pastebin.com/gZqPgsFX

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  • Getting types of the attributes in an ActiveRecord object

    - by Michael Neale
    I would like to know if it is possible to get the types (as known by AR - eg in the migration script and database) programmatically (I know the data exists in there somewhere). For example, I can deal with all the attribute names: ar.attribute_names.each { |name| puts name } .attributes just returns a mapping of the names to their current values (eg no type info if the field isn't set). Some places I have seen it with the type information: in script/console, type the name of an AR entity: >> Driver => Driver(id: integer, name: string, created_at: datetime, updated_at: datetime) So clearly it knows the types. Also, there is .column_for_attribute, which takes an attr name and returns a column object - which has the type buried in the underlying database column object, but it doesn't appear to be a clean way to get it. I would also be interested in if there is a way that is friendly for the new "ActiveModel" that is coming (rails3) and is decoupled from database specifics (but perhaps type info will not be part of it, I can't seem to find out if it is). Thanks.

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  • Facebook FQL Question

    - by Michael
    I'm trying to use the Facebook Javascript API to run FQL queries, and it works fine if I try and get users by username or uid, but doesn't work when I'm searching by name. function get_username() { var name = prompt("Enter name: ") FB.api( { method: 'fql.query', query: 'SELECT username FROM user WHERE name in "'+name+'"' }, function(response) { var x = response[0].username alert('Username is ' + x); } ); } I realize that this will probably return multiple users, but I can't figure out how to tell if it's returning multiple users or no users at all, it seems to freeze after trying to get response[0].username. I'm probably making a beginner mistake but any ideas?

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  • C# Sockets Buffer Overflow No Error

    - by Michael Covelli
    I have one thread that is receiving data over a socket like this: while (sock.Connected) { // Receive Data (Block if no data) recvn = sock.Receive(recvb, 0, rlen, SocketFlags.None, out serr); if (recvn <= 0 || sock == null || !sock.Connected) { OnError("Error In Receive, recvn <= 0 || sock == null || !sock.Connected"); return; } else if (serr != SocketError.Success) { OnError("Error In Receive, serr = " + serr); return; } // Copy Data Into Tokenizer tknz.Read(recvb, recvn); // Parse Data while (tknz.MoveToNext()) { try { ParseMessageAndRaiseEvents(tknz.Buffer(), tknz.Length); } catch (System.Exception ex) { string BadMessage = ByteArrayToStringClean(tknz.Buffer(), tknz.Length); string msg = string.Format("Exception in MDWrapper Parsing Message, Ex = {0}, Msg = {1}", ex.Message, BadMessage); OnError(msg); } } } And I kept seeing occasional errors in my parsing function indicating that the message wasn't valid. At first, I thought that my tokenizer class was broken. But after logging all the incoming bytes to the tokenizer, it turns out that the raw bytes in recvb weren't a valid message. I didn't think that corrupted data like this was possible with a tcp data stream. I figured it had to be some type of buffer overflow so I set sock.ReceiveBufferSize = 1024 * 1024 * 8; and the parsing error never, ever occurs in testing (it happens often enough to replicate if I don't change the ReceiveBufferSize). But my question is: why wasn't I seeing an exception or an error state or something if the socket's internal buffer was overflowing before I changed this buffer size?

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  • Simple form not working anymore, since adding jquery tablesorter on same page

    - by Michael
    Hi, I'm using jquery and tablesorter plugin to sort a table in a php-page, which works flawless. Further I have this form in it: <form name="newrs" id="newrs" action="edit.php" enctype="multipart/form-data" method="POST" onSubmit=""> <input class="btn" id="bbtnNew" name="button" type="submit" value="New Recordset" /> </form> But since I added the jquery/tablesorter functionality, the form doesn't work anymore. (If I click on submit, nothing happens. What causes this behaviour? And how can I overcome this? Thanks in advance for your suggestions! .... Initializing the tablesorter with this code: <script type="text/javascript"> $(document).ready(function() { $("#myTable").tablesorter( { sortList: [ [4,1] ] , widgets: ['zebra'] } ); } ); </script>

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  • How can I resolve gstreamer dependencies in Ubuntu

    - by michael
    Hi, Can you please tell me how can I resolve these dependencies on ubuntu: checking for GSTREAMER... configure: error: Package requirements (gstreamer-0.10 >= 0.10 gstreamer-app-0.10 gstreamer-base-0.10 gstreamer-pbutils-0.10 gstreamer-plugins-base-0.10 >= 0.10.25 gstreamer-video-0.10) were not met: No package 'gstreamer-app-0.10' found No package 'gstreamer-pbutils-0.10' found No package 'gstreamer-plugins-base-0.10' found No package 'gstreamer-video-0.10' found I have tried: $ sudo apt-get install *gstreamer-video* Reading package lists... Done Building dependency tree Reading state information... Done E: Regex compilation error - Invalid preceding regular expression $ sudo apt-get install *gstreamer-app* Reading package lists... Done Building dependency tree Reading state information... Done E: Regex compilation error - Invalid preceding regular expression $ sudo apt-get install *gstreamer-base* Reading package lists... Done Building dependency tree Reading state information... Done E: Regex compilation error - Invalid preceding regular expression

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  • Java - HtmlUnit - Unable to save HTML to file (in some cases)

    - by Walter White
    Hi all, I am having intermittent issues saving the response HTML in HtmlUnit. Caused by: java.io.IOException: Unable to save file:C:\ccview\PP50773_4.0_walter\TSC_hca\Applications\HCA_J2EE\HCA\target\HtmlUnitTests\single\1\com\pnc\tsc\hca\ui\test\SiteCrawler\crawlSiteAsProvider\10.SiteCrawler.crawl.html at com.pnc.tsc.hca.ui.util.GetUtil.save(GetUtil.java:128) at com.pnc.tsc.hca.ui.util.GetUtil.add(GetUtil.java:75) at com.pnc.tsc.hca.ui.util.GetUtil.click(GetUtil.java:49) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawl(SiteCrawler.java:87) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawl(SiteCrawler.java:61) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawl(SiteCrawler.java:63) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawl(SiteCrawler.java:63) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawl(SiteCrawler.java:63) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawl(SiteCrawler.java:54) at com.pnc.tsc.hca.ui.test.SiteCrawler.crawlSiteAsProvider(SiteCrawler.java:50) ... 15 more Caused by: java.lang.RuntimeException: java.io.IOException: The system cannot find the path specified at com.gargoylesoftware.htmlunit.html.XmlSerializer.getAttributesFor(XmlSerializer.java:165) at com.gargoylesoftware.htmlunit.html.XmlSerializer.printOpeningTag(XmlSerializer.java:126) at com.gargoylesoftware.htmlunit.html.XmlSerializer.printXml(XmlSerializer.java:83) at com.gargoylesoftware.htmlunit.html.XmlSerializer.printXml(XmlSerializer.java:93) at com.gargoylesoftware.htmlunit.html.XmlSerializer.printXml(XmlSerializer.java:93) at com.gargoylesoftware.htmlunit.html.XmlSerializer.asXml(XmlSerializer.java:73) at com.gargoylesoftware.htmlunit.html.XmlSerializer.save(XmlSerializer.java:55) at com.gargoylesoftware.htmlunit.html.HtmlPage.save(HtmlPage.java:2259) at com.pnc.tsc.hca.ui.util.GetUtil.save(GetUtil.java:126) ... 24 more Caused by: java.io.IOException: The system cannot find the path specified at java.io.WinNTFileSystem.createFileExclusively(Native Method) at java.io.File.createNewFile(File.java:883) at com.gargoylesoftware.htmlunit.html.XmlSerializer.createFile(XmlSerializer.java:216) at com.gargoylesoftware.htmlunit.html.XmlSerializer.getAttributesFor(XmlSerializer.java:160) ... 32 more Now, the parent directory exists and some other files have already been written to the directory. Looking at the filename, I don't see anything that would stand out as a red flag indicating the filename is bad. What can I do to correct this error? Thanks, Walter

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  • Rails : soap4r - Error while running wsdl2ruby.rb

    - by Mathieu
    when I execute Mathieu$ /Users/Mathieu/.gem/ruby/1.8/bin/wsdl2ruby.rb path --wsdl https://www.arello.com/webservice/verify.cfc?wsdl --type client --force I get at depth 0 - 20: unable to get local issuer certificate F, [2010-05-06T10:41:11.040288 #35933] FATAL -- app: Detected an exception. Stopping ... SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (OpenSSL::SSL::SSLError) /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:247:in connect' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:247:inssl_connect' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:639:in connect' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/timeout.rb:128:intimeout' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:631:in connect' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:522:inquery' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:147:in query' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:953:indo_get_block' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:765:in do_request' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:848:inprotect_keep_alive_disconnected' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:764:in do_request' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:833:infollow_redirect' /Users/Mathieu/.gem/ruby/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:519:in get_content' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/lib/wsdl/xmlSchema/importer.rb:73:infetch' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/lib/wsdl/xmlSchema/importer.rb:36:in import' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/lib/wsdl/importer.rb:18:inimport' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/lib/wsdl/soap/wsdl2ruby.rb:206:in import' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/lib/wsdl/soap/wsdl2ruby.rb:36:inrun' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/bin/wsdl2ruby.rb:46:in run' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/logger.rb:659:instart' /Users/Mathieu/.gem/ruby/1.8/gems/soap4r-1.5.8/bin/wsdl2ruby.rb:137 /Users/Mathieu/.gem/ruby/1.8/bin/wsdl2ruby.rb:19:in `load' /Users/Mathieu/.gem/ruby/1.8/bin/wsdl2ruby.rb:19 I, [2010-05-06T10:41:11.040855 #35933] INFO -- app: End of app. (status: -1)

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  • Ajax Minifier Visual Studio include all javascript files

    - by Michael
    I am using the Ajax Minifier http://www.ajaxprojects.com/ajax/tutorialdetails.php?itemid=766 and have embedded it in the csproj file for use in Visual Studio 2008 (not the free version). I have two folders, Content and Scripts, directly under the root of the project. Also, the Content folder has subfolders, and would like to include all of these as well (if I have to manually add each subfolder that is fine as well). Currently, my csproj file looks like this (and is included within the Project tags as instructed). There are no build errors, the files simply do not get minified. (I've enabled Project - View All files) <Import Project="$(MSBuildExtensionsPath)\Microsoft\MicrosoftAjax\ajaxmin.tasks" /> <Target Name="AfterBuild"> <ItemGroup> <JS Include="Scripts\*.js" Exclude="Scripts\*.min.js;"/> <JS Include="Content\**\*.js" Exclude="Content\**\*.min.js;"/> </ItemGroup> <AjaxMin SourceFiles="@(JS)" SourceExtensionPattern="\.js$" TargetExtension=".min.js" /> </Target> How would I edit the csproj file in order to include these folders?

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  • Niceforms and jQuery events

    - by Michael Edwards
    Our design agency has supplied HTML that uses NiceForms. The problem I am having is that this mucks up jQuery event binding. I have the following code: keys = $("#key input"); $(keys).each(function(){ $(this).change(function() { console.log("hi"); } } If I disable NiceForms this code works but with Niceforms enabled it doesn't. How do I get around this problem?

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  • "wait_fences: failed to receive reply: 10004003"?

    - by Michael
    I get this cryptic error the first time (and only the first time) my view is loaded due to the following line of code: - (void)viewWillAppear:(BOOL)animated { [textField becomeFirstResponder]; } There is a noticeable (~3 – 4 second, even on the simulator) delay due to this that makes my app feel unresponsive. Does anyone know how to fix this? I can't find any documentation on it on Apple's site, or any solutions here or on Google. Strangely, the opposite situation happens if I put the line in -viewDidAppear: instead of -viewWillAppear:; that is, instead of printing the error only the first time the keyboard is shown and never again, the error is not printed the first time but every time after. This is causing a major headache for me.

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  • Binding a TreeView with ContextMenu in Xaml

    - by Michael Stoll
    I'm pretty new to Xaml and need some advise. A TreeView should be bound to a hierarchical object structure. The TreeView should have a context menu, which is specific for each object type. I've tried the following: <TreeView> <TreeView.Resources> <DataTemplate x:Key="RoomTemplate"> <TreeViewItem Header="{Binding Name}"> <TreeViewItem.ContextMenu> <ContextMenu> <MenuItem Header="Open" /> <MenuItem Header="Remove" /> </ContextMenu> </TreeViewItem.ContextMenu> </TreeViewItem> </DataTemplate> </TreeView.Resources> <TreeViewItem Header="{Binding Name}" Name="tviRoot" IsExpanded="True" > <TreeViewItem Header="Rooms" ItemsSource="{Binding Rooms}" ItemTemplate="{StaticResource RoomTemplate}"> <TreeViewItem.ContextMenu> <ContextMenu> <MenuItem Header="Add room"></MenuItem> </ContextMenu> </TreeViewItem.ContextMenu> </TreeViewItem> </TreeViewItem> But with this markup the behavior is as intended, but the child items (the rooms) are indented too much. Anyway all the bining samples I could find use TextBlock instead of TreeViewItem in the DataTemplate, but wonder how to integrate the ContextMenu there.

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  • Creating Drill-Down Detail UITableView from JSON NSDictionary

    - by Michael Robinson
    I'm have a load of trouble finding out how to do this, I want to show this in a UITableDetailView (Drill-Down style) with each item in a different cell. All of the things I've read all show how to load a single image on the detail instead of showing as a UITableView. Does the dictionary have to have "children" in order to load correctly? Here is the code for the first view creating *dict from the JSON rowsArray. I guess what I'm looking for is what to put in the FollowingDetailViewController.m to see the rest of *dict contents, so when selecting a row, it loads the rest of the *dict. I have rowsArray coming back as follows: '{ loginName = Johnson; memberid = 39; name = Kris; age = ;}, etc,etc... Thanks, // SET UP TABLE & CELLS - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease]; } NSDictionary *dict = [rowsArray objectAtIndex: indexPath.row]; cell.textLabel.text = [dict objectForKey:@"name"]; cell.detailTextLabel.text = [dict objectForKey:@"loginName"]; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; return cell; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; - (void)viewDidLoad { [super viewDidLoad]; //GET JSON FROM WEBSERVICES: NSURL *url = [NSURL URLWithString:@"http://10.0.1.8/~imac/iphone/jsontest.php"]; NSString *jsonreturn = [[NSString alloc] initWithContentsOfURL:url]; NSData *jsonData = [jsonreturn dataUsingEncoding:NSUTF32BigEndianStringEncoding]; NSError *error = nil; NSDictionary * dict = [[CJSONDeserializer deserializer] deserializeAsDictionary:jsonData error:&error]; if (dict) { rowsArray = [dict objectForKey:@"member"]; [rowsArray retain]; } [jsonreturn release]; } //GO TO DETAIL VIEW: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { FollowingDetailViewController *aFollowDetail = [[FollowingDetailViewController alloc] initWithNibName:@"FollowingDetailView" bundle:nil]; [self.navigationController pushViewController:aFollowDetail animated:YES]; }

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  • iPhone crashing when presenting modal view controller

    - by Michael Waterfall
    Hi there, I'm trying to display a modal view straight after another view has been presented modally (the second is a loading view that appears). - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Show load LoadViewController *loader = [[LoadViewController alloc] init]; [self presentModalViewController: loader animated:NO]; [loader release]; } But when I do this I get a "Program received signal: "EXC_BAD_ACCESS"." error. The stack trace is: 0 0x30b43234 in -[UIWindowController transitionViewDidComplete:fromView:toView:] 1 0x3095828e in -[UITransitionView notifyDidCompleteTransition:] 2 0x3091af0d in -[UIViewAnimationState sendDelegateAnimationDidStop:finished:] 3 0x3091ad7c in -[UIViewAnimationState animationDidStop:finished:] 4 0x0051e331 in run_animation_callbacks 5 0x0051e109 in CA::timer_callback 6 0x302454a0 in CFRunLoopRunSpecific 7 0x30244628 in CFRunLoopRunInMode 8 0x32044c31 in GSEventRunModal 9 0x32044cf6 in GSEventRun 10 0x309021ee in UIApplicationMain 11 0x00002154 in main at main.m:14 Any ideas? I'm totally stumped! The loading view is empty so there's definitely nothing going on in there that's causing the error. Is it something to do with launching 2 views modally in the same event loop or something? Thanks, Mike Edit: Very strange... I have modified it slightly so that the loading view is shown after a tiny delay, and this works fine! So it appears to be something within the same event loop! - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Show load [self performSelector:@selector(doit) withObject:nil afterDelay:0.1]; } - (void)doit { [self presentModalViewController:loader animated:YES]; }

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  • Flex 4 - What makes a GC root?

    - by Michael Brewer-Davis
    What are the rules for something to be a GC root in Flash? I'm using the Flash Builder 4 profiler, and I'm finding odd things are labeled as GC roots in the object reference details (e.g., an Image control that is no longer in the display list, nor static).

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  • Remote debugging with Eclipse CDT

    - by Michael Harding
    We're using the Eclipse CDT 5 C++ IDE on Windows to develop a C++ application on a remote AIX host. Eclipse CDT has the ability to perform remote debugging using gdbserver. Unfortunately, gdbserver is not supported on AIX. Is anyone familiar with a way to debug remotely using Eclipse CDT without gdbserver? Perhaps using an SSH shell connection to gdb?

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  • posting nutch data into a BASIC auth secured Solr instance

    - by mlathe
    Hi. I've secured a solr instance using BASIC auth, kind of how it is shown here: http://blog.comtaste.com/2009/02/securing_your_solr_server_on_t.html Now i'm trying to update my batch processes to push data into the authenticated instance. The ones using "curl" are easy, but i also have a Nutch crawl that uses the "solrindex" command to push data into Solr. When i do that i get this error: 2010-02-22 12:09:28,226 INFO auth.AuthChallengeProcessor - basic authentication scheme selected 2010-02-22 12:09:28,229 INFO httpclient.HttpMethodDirector - No credentials available for BASIC 'Tomcat Manager Application'@ninja:5500 2010-02-22 12:09:28,236 WARN mapred.LocalJobRunner - job_local_0001 org.apache.solr.common.SolrException: Unauthorized Unauthorized request: http://ninja:5500/solr/foo/update?wt=javabin&version=2.2 at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:343) at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:183) at org.apache.solr.client.solrj.request.UpdateRequest.process(UpdateRequest.java:217) at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:48) at org.apache.nutch.indexer.solr.SolrWriter.close(SolrWriter.java:69) at org.apache.nutch.indexer.IndexerOutputFormat$1.close(IndexerOutputFormat.java:48) at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:447) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:170) 2010-02-22 12:09:29,134 FATAL solr.SolrIndexer - SolrIndexer: java.io.IOException: Job failed! at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1232) at org.apache.nutch.indexer.solr.SolrIndexer.indexSolr(SolrIndexer.java:73) at org.apache.nutch.indexer.solr.SolrIndexer.run(SolrIndexer.java:95) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.nutch.indexer.solr.SolrIndexer.main(SolrIndexer.java:104) Apparently nutch uses SolrJ to push the content, and after going through the solrj code, it's clear that it uses commons-httpclient without providing a way to set the credentials. Here are my question(s) Is this possible to do? ie push from nutch into a BASIC auth secured Solr instance? Is it possible to tell commons-httpclient about a credential without explicitly doing an _httpclient.getState().setCredentials(...)? Anyother ideas? One idea i had was to use an IPfiltering Valve for just the "update" Solr webservices. That would mean you could only make an update call from certain nodes. Thanks

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  • Weird RecordStore behavior when RecordStoreFullException occurs

    - by Michael P
    Hello everyone! I'm developing a small J2ME application that displays bus stops timetables - they are stored as records in MIDP RecordStores. Sometimes records can not fit a single RecordStore, especially on record update - using setRecord method - a RecordStoreFullException occurs. I catch the exception, and try to write the record to a new RecordStore along with deleting the previous one in the old RecordStore. Everything works fine except of deleting record from RecordStore where the RecordStoreFullException occurs. If I make an attempt to delete record that could not be updated, another Exception of type InvalidRecordIDException is thrown. This is weird and undocumented in MIDP javadoc. I have tested it on Sun WTK 2.5.2, MicroEdition SDK 3.0 and Nokia Series 40 SDK. Furthermore I created a code that reproduces this strange behaviour: RecordStore rms = null; int id = 0; try { rms = RecordStore.openRecordStore("Test", true); byte[] raw = new byte[192*10024]; //Big enough to cause RecordStoreFullException id = rms.addRecord(raw, 0, 160); rms.setRecord(id, raw, 0, raw.length); } catch (Exception e) { try { int count = rms.getNumRecords(); RecordEnumeration en = rms.enumerateRecords(null, null, true); count = en.numRecords(); while(en.hasNextElement()){ System.out.println("NextID: "+en.nextRecordId()); } rms.deleteRecord(id); //this won't work! rms.setRecord(id, new byte[5], 0, 5); //this won't work too! } catch (Exception ex) { ex.printStackTrace(); } } I added extra enumeration code to produce other weird behavior - when RecordStoreFullException occurs, count variable will be set to 1 (if RMS was empty) by both methods - getNumRecords and numRecords. System.out.println will produce NextID: 0! It is not acceptable because record ID can not be 0! Could someone explain this strange behavior? Sorry for my bad English.

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  • Can I upgrade UIRequiredDeviceCapabilities from opengles-1 to opengles-2 in iOS app

    - by michael
    Hi I’m upgrading my app from cocos2d-x 1.x to 2.x that means change from OpenGLES 1.0 to 2.0, I've updated my Info.plist settings to reflect the change <key>UIRequiredDeviceCapabilities</key> <dict> <key>accelerometer</key> <true/> <key>opengles-2</key> <true/> </dict> Change from opengles-1 to opengles-2 But while installing application from XCode 4.5 GM (the older version was compiled with prevoius XCode) I receive error: Could not change executable permissions on the application

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  • Duplicate a collection of entities and persist in Hibernate/JPA

    - by Michael Bavin
    Hi, I want to duplicate a collection of entities in my database. I retreive the collection with: CategoryHistory chNew = new CategoryHistory(); CategoryHistory chLast = (CategoryHistory)em.createQuery("SELECT ch from CategoryHistory ch WHERE ch.date = MAX(date)").getSingleResult; List<Category> categories = chLast.getCategories(); chNew.addCategories(categories)// Should be a copy of the categories: OneToMany Now i want to duplicate a list of 'categories' and persist it with EntityManager. I'm using JPA/Hibernate. UPDATE After knowing how to detach my entities, i need to know what to detach: current code: CategoryHistory chLast = (CategoryHistory)em.createQuery("SELECT ch from CategoryHistory ch WHERE ch.date=(SELECT MAX(date) from CategoryHistory)").getSingleResult(); Set<Category> categories =chLast.getCategories(); //detach org.hibernate.Session session = ((org.hibernate.ejb.EntityManagerImpl) em.getDelegate()).getSession(); session.evict(chLast);//detaches also its child-entities? //set the realations chNew.setCategories(categories); for (Category category : categories) { category.setCategoryHistory(chNew); } //set now create date chNew.setDate(Calendar.getInstance().getTime()); //persist em.persist(chNew); This throws a failed to lazily initialize a collection of role: entities.CategoryHistory.categories, no session or session was closed exception. I think he wants to lazy load the categories again, as i have them detached. What should i do now?

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  • Writing custom sections into app.config

    - by Michael M.
    I want to save some custom data into application configuration file and I need to create some custom sections in app.config. Reading custom data from app.config is simple task, but I can't write information from my programm into app.config. For finding solution of this problem I create test project. For reading data from custom section app.config I used information from this article: http://devlicio.us/blogs/derik_whittaker/archive/2006/11/13/app-config-and-custom-configuration-sections.aspx

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