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• Rx framework: How to wait for an event to be triggered in silverlight test

  - by user324255

  Hi, I have a ViewModel that starts loading the Model async in the constructor, and triggers an event when the Model is loaded. I got a test working with the silverlight unit test framework, like this : bool done = false; [TestMethod] [Asynchronous] public void Test_NoCustomerSelected() { ProjectListViewModel viewModel = null; EnqueueCallback(() => viewModel = new ProjectListViewModel()); EnqueueCallback(() => viewModel.ModelLoaded += new EventHandler<EventArgs>(viewModel_ModelLoaded)); EnqueueConditional(() => done); EnqueueCallback(() => Assert.IsNotNull(viewModel.FilteredProjectList)); EnqueueCallback(() => Assert.AreEqual(4, viewModel.FilteredProjectList.Count)); EnqueueTestComplete(); } void viewModel_ModelLoaded(object sender, EventArgs e) { done = true; } But I'm beginning playing with Rx Framework, and trying to get my test to work, but so far I have no luck. Here's 2 attempts : public void Test_NoCustomerSelected2() { ProjectListViewModel viewModel = null; viewModel = new ProjectListViewModel(eventAggregatorMock.Object, moduleManagerMock.Object); IObservable<IEvent<EventArgs>> eventAsObservable = Observable.FromEvent<EventArgs>( ev => viewModel.ModelLoaded += ev, ev => viewModel.ModelLoaded -= ev); eventAsObservable.Subscribe(args => viewModel_ModelLoaded(args.Sender, args.EventArgs)); eventAsObservable.First(); Assert.IsNotNull(viewModel.Model); Assert.AreEqual(4, viewModel.Model.Count); } [TestMethod] public void Test_NoCustomerSelected3() { ProjectListViewModel viewModel = null; var o = Observable.Start(() => viewModel = new ProjectListViewModel(eventAggregatorMock.Object, moduleManagerMock.Object)); IObservable<IEvent<EventArgs>> eventAsObservable = Observable.FromEvent<EventArgs>( ev => viewModel.ModelLoaded += ev, ev => viewModel.ModelLoaded -= ev); o.TakeUntil(eventAsObservable) .First(); Assert.IsNotNull(viewModel.Model); Assert.AreEqual(4, viewModel.Model.Count); } The first test goes in waiting forever, the second doesn't work because the viewModel is null when it does the FromEvent. Anyone has a clue on how to do this properly?

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• Load PDF from Memory ASP.Net

  - by Sandhurst

  I am using ITextSharp to generate pdf on the fly and then saving it to disk and display it using Frame. The Frame has an attribute called src where I pass the generated file name. This all is working fine what I want to achieve is passing the generated pdf file to Frame without saving it to disk. HtmlToPdfBuilder builder = new HtmlToPdfBuilder(PageSize.LETTER); HtmlPdfPage first = builder.AddPage(); //import an entire sheet builder.ImportStylesheet(Request.PhysicalApplicationPath + "CSS\\Stylesheet.css"); string coupon = CreateCoupon(); first.AppendHtml(coupon); byte[] file = builder.RenderPdf(); File.WriteAllBytes(Request.PhysicalApplicationPath+"final.pdf", file); printable.Attributes["src"] = "final.pdf";

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• How do I export a large table into 50 smaller csv files of 100,000 records each

  - by Eddie

  I am trying to export one field from a very large table - containing 5,000,000 records, for example - into a csv list - but not all together, rather, 100,000 records into each .csv file created - without duplication. How can I do this, please? I tried SELECT field_name FROM table_name WHERE certain_conditions_are_met INTO OUTFILE /tmp/name_of_export_file_for_first_100000_records.csv LINES TERMINATED BY '\n' LIMIT 0 , 100000 that gives the first 100000 records, but nothing I do has the other 4,900,000 records exported into 49 other files - and how do I specify the other 49 filenames? for example, I tried the following, but the SQL syntax is wrong: SELECT field_name FROM table_name WHERE certain_conditions_are_met INTO OUTFILE /home/user/Eddie/name_of_export_file_for_first_100000_records.csv LINES TERMINATED BY '\n' LIMIT 0 , 100000 INTO OUTFILE /home/user/Eddie/name_of_export_file_for_second_100000_records.csv LINES TERMINATED BY '\n' LIMIT 100001 , 200000 and that did not create the second file... what am I doing wrong, please, and is there a better way to do this? Should the LIMIT 0 , 100000 be put Before the first INTO OUTFILE statement, and then repeat the entire command from SELECT for the second 100,000 records, etc? Thanks for any help. Eddie

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• LVDiff not working in Git

  - by Tanner

  I'm trying to get lvdiff from meta-diff suite to work with Git. My .gitconfig looks like this: [gui] recentrepo = C:/Users/Tanner/Desktop/FIRST 2010 Beta/Java/LoganRover [user] name = Tanner Smith email = [email protected] [merge "labview"] name = LabVIEW 3-Way Merge driver = 'C:/Program Files/National Instruments/Shared/LabVIEW Merge/LVMerge.exe' 'C:/Program Files/National Instruments/LabVIEW 8.6/LabVIEW.exe' %O %B %A %A recursive = binary [diff "lvdiff"] #command = 'C:/Program Files/meta-diff suite/lvdiff.exe' external = C:/Users/Tanner/Desktop/FIRST 2010 Beta/lvdiff.sh [core] autocrlf = true lvdiff.sh looks like this: #!/bin/sh "C:/Program Files/meta-diff suite/lvdiff.exe" "$2" "%5" | cat And my .gitattributes file looks like this: #Use a cusstom driver to merge LabVIEW files *.vi merge=labview #Use lvdiff as the externel diff program for LabVIEW files *.vi diff=lvdiff But everytime I do a diff, all Git returns is: diff --git a/Build DashBoard Data.vi b/Build DashBoard Data.vi index fd50547..662237f 100644 Binary files a/Build DashBoard Data.vi and b/Build DeashBoard Data.vi differ It is like it is not using it or even recognizing my changes. Any ideas?

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• Changing One Tag Name in an XML File Using XSLT

  - by AlbertoPL

  Is it possible for me to have a conditional in XSLT such that I find and replace only the FIRST tag of a particular tag name? For example, I have an XML file with many tags. I would like to replace the first of these tags with . The rest should be left alone. How would I do this in my transform? What I currently have is this: <xsl:template match="title"> <PageTitle> <xsl:apply-templates /> </PageTitle> </xsl:template> which finds all tags and replaces them with PageTitle. Any help would be greatly appreciated!

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• qemu-kvm virtual machine virtio network freeze under load

  - by Rick Koshi

  I'm having a problem with my virtual machines, where the network will freeze under heavy load. I'm using CentOS 6.2 as both host and guest, not using libvirt, just running qemu-kvm directly as follows: /usr/libexec/qemu-kvm \ -drive file=/data2/vm/rb-dev2-www1-vm.img,index=0,media=disk,cache=none,if=virtio \ -boot order=c \ -m 2G \ -smp cores=1,threads=2 \ -vga std \ -name rb-dev2-www1-vm \ -vnc :84,password \ -net nic,vlan=0,macaddr=52:54:20:00:00:54,model=virtio \ -net tap,vlan=0,ifname=tap84,script=/etc/qemu-ifup \ -monitor unix:/var/run/vm/rb-dev2-www1-vm.mon,server,nowait \ -rtc base=utc \ -device piix3-usb-uhci \ -device usb-tablet /etc/qemu-ifup (used by the above command) is a very simple script, containing the following: #!/bin/sh sudo /sbin/ifconfig $1 0.0.0.0 promisc up sudo /usr/sbin/brctl addif br0 $1 sleep 2 And here's the info on br0 and other interfaces: avl-host3 14# brctl show bridge name bridge id STP enabled interfaces br0 8000.180373f5521a no bond0 tap84 virbr0 8000.525400858961 yes virbr0-nic avl-host3 15# ip addr show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: em1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 18:03:73:f5:52:1a brd ff:ff:ff:ff:ff:ff 3: em2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP qlen 1000 link/ether 18:03:73:f5:52:1a brd ff:ff:ff:ff:ff:ff 4: em3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 18:03:73:f5:52:1e brd ff:ff:ff:ff:ff:ff 5: em4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 18:03:73:f5:52:20 brd ff:ff:ff:ff:ff:ff 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 18:03:73:f5:52:1a brd ff:ff:ff:ff:ff:ff inet6 fe80::1a03:73ff:fef5:521a/64 scope link valid_lft forever preferred_lft forever 7: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 18:03:73:f5:52:1a brd ff:ff:ff:ff:ff:ff inet 172.16.1.46/24 brd 172.16.1.255 scope global br0 inet6 fe80::1a03:73ff:fef5:521a/64 scope link valid_lft forever preferred_lft forever 8: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 52:54:00:85:89:61 brd ff:ff:ff:ff:ff:ff inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 9: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 500 link/ether 52:54:00:85:89:61 brd ff:ff:ff:ff:ff:ff 12: tap84: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 500 link/ether ba:e8:9b:2a:ff:48 brd ff:ff:ff:ff:ff:ff inet6 fe80::b8e8:9bff:fe2a:ff48/64 scope link valid_lft forever preferred_lft forever bond0 is a bond of em1 and em2. virbr0 and virbr0-nic are vestigial interfaces left over from CentOS's default installation. They are unused (as far as I know). The guest runs perfectly until I run a large 'rsync', when the network will freeze after some seemingly-random time (usually under a minute). When it freezes, there is no network activity in or out of the guest. I can still connect to the guest's console via vnc, but it is unable to speak out its network interface. Any attempt to 'ping' from the guest gives a "Destination Host Unreachable" error for 3/4 packets and no reply for every fourth packet. Sometimes (perhaps two thirds of the time), I can bring the interface back to life by doing a "service network restart" from the guest's console. If this works (and if I do it before the rsync times out), the rsync will resume. Usually it will freeze again within a minute or two. If I repeat, the rsync will eventually finish, and I presume the machine goes back to waiting for another period of heavy load. Throughout the whole process, there are no console errors or relevant (that I can see) syslog messages on either guest or host machine. If the "service network restart" doesn't work the first time, trying again (and again and again) never seems to work. The command completes normally, with normal output, but the interface stays frozen. However, a soft reboot of the guest machine (without restarting qemu-kvm) always seems to bring it back. I am aware of the "lowest mac address" assignment problem, where the bridge takes on the mac address of the slave interface with the lowest mac address. This causes temporary network freezes, but is definitely not what's happening for me. My freezes are permanent until manual intervention, and you can see from the 'ip addr show' output above that the mac address being used by br0 is that of the physical ethernet. There are no other virtual machines running on the host. I've verified that each virtual machine on the subnet has its own unique mac address. I have rebuilt the guest machine several times, and I have tried this on three different host machines (identical hardware, built identically). Oddly, I do have one virtual host (the second of this series) which never seemed to have a problem. It never had its network freeze when it was running the same rsync during its build. It's particularly odd because it was the second build. The first, on a different host, did have the freezing problem, but the second did not. I assumed at the time that I had done something wrong with the first build, and that the problem was resolved. Unfortunately, the problem reappeared when I built the third VM. Also unfortunately, I can't do many tests with the working VM, as it's now in production use, and I'm hoping I can find the cause of this issue before that machine starts having problems. It's possible that I just got really lucky while running the rsync on the working machine, and that one time it didn't freeze. Of course it's possible that I somehow changed the build scripts without realizing it and re-broke something, but I can't find any such thing. In any case, I'm hoping someone has some idea what could cause this. Addendum: Preliminary tests suggest that I don't have the problem if I substitute e1000 for virtio in the first -net flag to qemu-kvm. I don't consider this a solution, but it is suitable for a stopgap. Has anyone else had (or better yet, solved) this problem with the virtio network driver?

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• What does transaction.commit() do when the flushmode is set manual in Hibernate?

  - by wei

  Here is a block of code in the Java Persistence with Hibernate book by Christian and Gavin, Session session = getSessionFactory().openSession(); session.setFlushMode(FlushMode.MANUAL); // First step in the conversation session.beginTransaction(); Item item = (Item) session.get(Item.class, new Long(123) ); session.getTransaction().commit(); // Second step in the conversation session.beginTransaction(); Item newItem = new Item(); Long newId = (Long) session.save(newItem); // Triggers INSERT! session.getTransaction().commit(); // Roll back the conversation! session.close();//enter code here I am confused that why the first step and second step need to be wrapped into two separate transactions? Since the flushmode is set manual here, no operations (suppose we ignore the insert here) will hit the database anyway. So why bother with transactions here? thanks

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• Installing Office Customization

  - by user187229

  Name: From: file:///D:/Samples/TestUpdatedVersion/bin/Debug/TestUpdatedVersion.vsto The customization cannot be installed because another version is currently installed and cannot be upgraded from this location. To install this version of the customization, first use Add or Remove Programs to uninstall this program: TestUpdatedVersion. Then install the new customization from the following location: file:///D:/Samples/TestUpdatedVersion/bin/Debug/TestUpdatedVersion.vsto ********** Exception Text ********** Microsoft.VisualStudio.Tools.Applications.Deployment.AddInAlreadyInstalledException: The customization cannot be installed because another version is currently installed and cannot be upgraded from this location. To install this version of the customization, first use Add or Remove Programs to uninstall this program: TestUpdatedVersion. Then install the new customization from the following location: file:///D:/Samples/TestUpdatedVersion/bin/Debug/TestUpdatedVersion.vsto at Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.VerifySolutionCodebaseIsUnchanged(Uri uri, String subscriptionId, Boolean previouslyInstalled) at Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.InstallAddIn()

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• if_attribute sintax problem on declarative_authorization

  - by Victor Martins

  I have an Organization that has_many Affiliations And a mission that has_one Organization So i can do this: m = Mission.first m.organization.affiliations A user also has_many affiliations so I can do: u = User.first u.affiliations In declarative_authorization I want a user to be able to manage a mission if he is affiliated to the organization of the mission. I'm trying this: has_permission_on :missions, :to => [:manage] do if_attribute [:affiliations, {:mission => :organization} ] => intersects_with { user.affiliations.type_admin } end But I get the error: [:affiliations, {:mission=>:organization}] is not a symbol What's wrong with the sintax?

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• Is this a good way to do a game loop for an iPhone game?

  - by Danny Tuppeny

  Hi all, I'm new to iPhone dev, but trying to build a 2D game. I was following a book, but the game loop it created basically said: function gameLoop update() render() sleep(1/30th second) gameLoop The reasoning was that this would run at 30fps. However, this seemed a little mental, because if my frame took 1/30th second, then it would run at 15fps (since it'll spend as much time sleeping as updating). So, I did some digging and found the CADisplayLink class which would sync calls to my gameLoop function to the refresh rate (or a fraction of it). I can't find many samples of it, so I'm posting here for a code review :-) It seems to work as expected, and it includes passing the elapsed (frame) time into the Update method so my logic can be framerate-independant (however I can't actually find in the docs what CADisplayLink would do if my frame took more than its allowed time to run - I'm hoping it just does its best to catch up, and doesn't crash!). // // GameAppDelegate.m // // Created by Danny Tuppeny on 10/03/2010. // Copyright Danny Tuppeny 2010. All rights reserved. // #import "GameAppDelegate.h" #import "GameViewController.h" #import "GameStates/gsSplash.h" @implementation GameAppDelegate @synthesize window; @synthesize viewController; - (void) applicationDidFinishLaunching:(UIApplication *)application { // Create an instance of the first GameState (Splash Screen) [self doStateChange:[gsSplash class]]; // Set up the game loop displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(gameLoop)]; [displayLink setFrameInterval:2]; [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; } - (void) gameLoop { // Calculate how long has passed since the previous frame CFTimeInterval currentFrameTime = [displayLink timestamp]; CFTimeInterval elapsed = 0; // For the first frame, we want to pass 0 (since we haven't elapsed any time), so only // calculate this in the case where we're not the first frame if (lastFrameTime != 0) { elapsed = currentFrameTime - lastFrameTime; } // Keep track of this frames time (so we can calculate this next time) lastFrameTime = currentFrameTime; NSLog([NSString stringWithFormat:@"%f", elapsed]); // Call update, passing the elapsed time in [((GameState*)viewController.view) Update:elapsed]; } - (void) doStateChange:(Class)state { // Remove the previous GameState if (viewController.view != nil) { [viewController.view removeFromSuperview]; [viewController.view release]; } // Create the new GameState viewController.view = [[state alloc] initWithFrame:CGRectMake(0, 0, IPHONE_WIDTH, IPHONE_HEIGHT) andManager:self]; // Now set as visible [window addSubview:viewController.view]; [window makeKeyAndVisible]; } - (void) dealloc { [viewController release]; [window release]; [super dealloc]; } @end Any feedback would be appreciated :-) PS. Bonus points if you can tell me why all the books use "viewController.view" but for everything else seem to use "[object name]" format. Why not [viewController view]?

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• How to order by a known id value in mysql

  - by markj

  Hi, is it possible to order a select from mysql by using a known id first. Example: $sql = "SELECT id, name, date FROM TABLE ORDER BY "id(10)", id DESC Not sure if the above makes sense but what I would like to do is first start ordering by the known id which is 10 which I placed in quotes "id(10)". I know that cannot work as is in the query but it's just to point out what I am trying to do. If something similar can work I would appreciate it. Thanks.

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• URLEncoding a string with Objective-C

  - by Chris

  I'm trying to URL encode a string to form a GET request from objective-c. NSString *params = @"'Decoded data!'/foo.bar:baz"; NSRunAlertPanel( @"Error", [params urlEncoded], @"OK", nil, nil ); This is the category extending NSString -(NSString *) urlEncoded { NSString *encoded = (NSString *)CFURLCreateStringByAddingPercentEscapes( NULL, (CFStringRef)self, NULL, (CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ", kCFStringEncodingUTF8 ); return encoded; } So the first time I run it I get back 1606410046ecoded 1606410784ata2270.000000foo.bar0X1.001716P-1042baz from the dialog box. Immediately after I run it again I get this 1606410046ecoded 1606410944ata227369374562920703448982951250259562309742470533728899744288431318481119278377104028261651081181287077973859930826299575521579020410425419424562236383226511593137467590082636817579938932512039895040.000000foo.bar0X1.66E6156303225P+771baz Then if I run it AGAIN it goes back to the first one. It's really weird. If params is set to @"&" or @" " I just get back a "2" (w/o the quotes) in the dialog box. Also is there a way I can have the % signs be shown in the alert dialog? Thanks

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• How do I merge a transient entity with a session using Castle ActiveRecordMediator?

  - by Daniel T.

  I have a Store and a Product entity: public class Store { public Guid Id { get; set; } public int Version { get; set; } public ISet<Product> Products { get; set; } } public class Product { public Guid Id { get; set; } public int Version { get; set; } public Store ParentStore { get; set; } public string Name { get; set; } } In other words, I have a Store that can contain multiple Products in a bidirectional one-to-many relationship. I'm sending data back and forth between a web browser and a web service. The following steps emulates the communication between the two, using session-per-request. I first save a new instance of a Store: using (new SessionScope()) { // this is data from the browser var store = new Store { Id = Guid.Empty }; ActiveRecordMediator.SaveAndFlush(store); } Then I grab the store out of the DB, add a new product to it, and then save it: using (new SessionScope()) { // this is data from the browser var product = new Product { Id = Guid.Empty, Name = "Apples" }); var store = ActiveRecordLinq.AsQueryable<Store>().First(); store.Products.Add(product); ActiveRecordMediator.SaveAndFlush(store); } Up to this point, everything works well. Now I want to update the Product I just saved: using (new SessionScope()) { // data from browser var product = new Product { Id = Guid.Empty, Version = 1, Name = "Grapes" }; var store = ActiveRecordLinq.AsQueryable<Store>().First(); store.Products.Add(product); // throws exception on this call ActiveRecordMediator.SaveAndFlush(store); } When I try to update the product, I get the following exception: a different object with the same identifier value was already associated with the session: 00000000-0000-0000-0000-000000000000, of entity:Product" As I understand it, the problem is that when I get the Store out of the database, it also gets the Product that's associated with it. Both entities are persistent. Then I tried to save a transient Product (the one that has the updated info from the browser) that has the same ID as the one that's already associated with the session, and an exception is thrown. However, I don't know how to get around this problem. If I could get access to a NHibernate.ISession, I could call ISession.Merge() on it, but it doesn't look like ActiveRecordMediator has anything similar (SaveCopy threw the same exception). Does anyone know the solution? Any help would be greatly appreciated!

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• Return Selected Phone Address from iPhone Address Book

  - by Ali

  Hey, I found a tutorial online that extends that Apple QuickStart Application which is the basic Address Book Application and another that returns the first phone number regardless of what phone number was clicked. I want to display only the selected phone number in the label. The label is called phoneNumber: - (BOOL)peoplePickerNavigationController: (ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier{ ABMutableMultiValueRef phoneMulti = ABRecordCopyValue(person, kABPersonPhoneProperty); NSMutableArray *phones = [[NSMutableArray alloc] init]; int i; for (i = 0; i < ABMultiValueGetCount(phoneMulti); i++) { NSString *aPhone = [(NSString*)ABMultiValueCopyValueAtIndex(phoneMulti, i)autorelease]; [phones addObject:aPhone]; } NSString *mobileNo = [phones objectAtIndex:0]; self.phoneNumber.text = phones; [self dismissModalViewControllerAnimated:YES]; return NO; } How do I ensure that the label is the one selected by the user and not just the first array entry(or any other array entry i code in) Thanks

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• Android: Using onStart() method in Bluetooth application

  - by Nii

  Hello, I am getting a nullpointer exception when my onStart() method is called. Here is the breakdown of my Android app: Opening the app brings a user to the homescreen: The user is then presented with the first 6 icons to choose from. When the user presses the "Sugar" icon it takes them to the SugarTabActivity. The SugarTabActivity is a Tabbed layout with two tabs. I'm concerned with the first tab. The first tab calls the getDefaultAdapter() method in its onCreate() method. Once it calls this, it checks if the bluetooth adapter is null on the phone, and if its null it shows a toast saying "Bluetooth is not available". This works just fine. Then I call the onStart() method. In the onStart() method I check if bluetooth is enabled, and if it isnt, then I start a new activity from the BluetoothAdapter enable bluetooth intent; otherwise, I start my bluetooth service. The exact error I'm getting is 04-19 00:44:45.674: ERROR/AndroidRuntime(225): Caused by: java.lang.NullPointerException 04-19 00:44:45.674: ERROR/AndroidRuntime(225): at com.nii.glucose.Glucose.onStart(Glucose.java:313). Heading Override public void onCreate(Bundle icicle) { super.onCreate(icicle); if(D) Log.d(TAG, "+++ ON CREATE +++"); setContentView(R.layout.glucose_layout); mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); if(mBluetoothAdapter==null){ Toast.makeText(this, "Bluetooth not available", Toast.LENGTH_LONG).show(); //finish(); return; } } Override public void onStart() { super.onStart(); if(D) Log.e(TAG, "++ ON START ++"); // If BT is not on, request that it be enabled. // setupChat() will then be called during onActivityResult if (!mBluetoothAdapter.isEnabled()) { Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableIntent, REQUEST_ENABLE_BT); // Otherwise, setup the chat session } else { if (mGlucoseService == null) mGlucoseService = new BluetoothService(this, mHandler); } } @Override public synchronized void onResume(){ super.onResume(); if(D) Log.e(TAG,"==== ON RESUME ======"); // Performing this check in onResume() covers the case in which BT was // not enabled during onStart(), so we were paused to enable it... // onResume() will be called when ACTION_REQUEST_ENABLE activity returns. if (mGlucoseService != null) { // Only if the state is STATE_NONE, do we know that we haven't started already if (mGlucoseService.getState() == BluetoothService.STATE_NONE) { // Start the Bluetooth chat services mGlucoseService.start(); } } } @Override public synchronized void onPause(){ super.onPause(); //isActive.set(false); if(D) Log.e(TAG,"==== ON PAUSE ======"); } @Override public void onDestroy() { super.onDestroy(); // Stop the Bluetooth chat services if (mGlucoseService != null) mGlucoseService.stop(); if(D) Log.e(TAG, "--- ON DESTROY ---"); }

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• Boost.Thread throws bad_alloc exception in VS2010

  - by the_drow

  Upon including <boost/thread.hpp> I get this exception: First-chance exception at 0x7c812afb in CSF.exe: Microsoft C++ exception: boost::exception_detail::clone_impl<boost::exception_detail::bad_alloc_> at memory location 0x0012fc3c.. First-chance exception at 0x7c812afb in CSF.exe: Microsoft C++ exception: [rethrow] at memory location 0x00000000.. I can't catch it, breaking at the memory location brings me to kernel32.dll and at this point I cannot say what's going on but it appears that the exception is thrown after the program ends and VS is capable of catching it. The testcase: #include <boost/thread.hpp> int main() { return 0; }

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• python urllib post question

  - by paul

  hello ALL im making some simple python post script but it not working well. there is 2 part to have to login. first login is using 'http://mybuddy.buddybuddy.co.kr/userinfo/UserInfo.asp' this one. and second login is using 'http://user.buddybuddy.co.kr/usercheck/UserCheckPWExec.asp' i can login first login page, but i couldn't login second page website. and return some error 'illegal access' such like . i heard this is related with some cooke but i don't know how to implement to resolve this problem. if anyone can help me much appreciated!! Thanks! import re,sys,os,mechanize,urllib,time import datetime,socket params = urllib.urlencode({'ID':'ph896011', 'PWD':'pk1089' }) rq = mechanize.Request("http://mybuddy.buddybuddy.co.kr/userinfo/UserInfo.asp", params) rs = mechanize.urlopen(rq) data = rs.read() logged_fail = r';history.back();</script>' in data if not logged_fail: print 'login success' try: params = urllib.urlencode({'PASSWORD':'pk1089'}) rq = mechanize.Request("http://user.buddybuddy.co.kr/usercheck/UserCheckPWExec.asp", params ) rs = mechanize.urlopen(rq) data = rs.read() print data except: print 'error'

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• Passing context between templatetags, django

  - by Kasper Gadensgaard

  Hi overflowers, I am using django to create a web-application. I have created a template in where I load a templatetag. In this templatetag i load another templatetag. From the template I pass context to the first templatetag, but the context is not available from the second templatetag (inside the first templatetag) - see below. I hope this makes sense, and that one of you have the answer. Thanks in advance Regards Kasper Gadensgaard Template snippit: {% load templatetags %} {% some_tag argument %} some_tag Templatetag: {% load templatetags %} {% some_other_tag another_argument %} some_other_tag Templatetag: In this templatetag i am trying to access context to get user info i.e. using request = context['request'] request.user

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• Using FFmpeg in .net?

  - by daniel

  So i know its a fairly big challenge but i want to write a basic movie player/converter in c# using the FFmpeg library. However the first obstacle i need to overcome is wrapping the FFmpeg library in c#. I downloaded ffmpeg but couldn't compile it on windows, so i downloaded a precompiled version for me. Ok awesome. Then i started looking for c# wrappers. I have looked around and have found a few wrappers such as SharpFFmpeg (http://sourceforge.net/projects/sharpffmpeg/) and ffmpeg-sharp (http://code.google.com/p/ffmpeg-sharp/). First of all i wanted to use ffmpeg-sharp as its LGPL and SharpFFmpeg is GPL. However it had quite a few compile errors. Turns out it was written for the mono compiler, i tried compiling it with mon but couldn't figure out how. I then started to manually fix the compiler errors myself, but came across a few scary ones and thought i'd better leave those alone. So i gave up on ffmpeg-sharp. Then i looked at SharpFFmpeg and it looks like what i want, all the functions P/Invoked for me. However its GPL? Both the AVCodec.cs and AVFormat.cs files look like ports of avcodec.c and avformat.c which i reckon i could port myself? Then not have to worry about licencing. But i wan't to get this right before i go ahead and start coding. Should I: Write my own c++ library for interacting with ffmpeg, then have my c# program talk to the c++ library in order to play/convert videos etc. OR Port avcodec.h and avformat.h (is that all i need?) to c# by using a whole lot of DllImports and write it entirely in c#? First of all consider that i'm not great at c++ as i rarely use it but i know enough to get around. The reason i'm thinking #1 might be the better option is that most FFmpeg tutorials are in c++ and i'd also have more control over memory management than if i was to do it in c#. What do you think? Also would you happen to have any usefull links (perhaps a tutorial) for using FFmpeg? EDIT: spelling mistakes

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• Assign table values to multiple variables using a single SELECT statement and CASE?

  - by Darth Continent

  I'm trying to assign values contained in a lookup table to multiple variables by using a single SELECT having multiple CASE statements. The table is a lookup table with two columns like so: [GreekAlphabetastic] SystemID Descriptor -------- ---------- 1 Alpha 2 Beta 3 Epsilon This is my syntax: SELECT @VariableTheFirst = CASE WHEN myField = 'Alpha' THEN tbl.SystemID END, @VariableTheSecond = CASE WHEN myField = 'Beta' THEN tbl.SystemID END, @VariableTheThird = CASE WHEN myField = 'Epsilon' THEN tbl.SystemID END FROM GreekAlphabetastic tbl However, when I check the variables after this statement executes, I expected each to be assigned the appropriate value, but instead only the last has a value assigned. SELECT @VariableTheFirst AS First, @VariableTheSecond AS Second, @VariableTheThird AS Third Results: First Second Third NULL NULL 3 What am I doing wrong?

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• Admob in iPhone with Tabbar and TableView

  - by satyam

  I'm having tab bar with 5 buttons. Out of 5 tabs, 2 are table views which uses navigation controller for showing sub views on click of cell. Above the tab bar, in each view I left some space for ads using "Admob". I'm adding ads using IB. But its giving EXC_BAD_ACCESS when its reaching "adMobAd = [AdMobView requestAdWithDelegate:self];" in AdViewController.m I'm using following lines of code to add views to tab bar view. In my code, I just added ads to LatestNews only. Can some one help me out of this problem. UINavigationController *localNavigationController; // create tab bar controller and array to hold the view controllers tabBarController = [[UITabBarController alloc] init]; NSMutableArray *localControllersArray = [[NSMutableArray alloc] initWithCapacity:5]; // setup the first view controller (Root view controller) LatestNews* latestNewsController; latestNewsController = [[LatestNews alloc] initWithTabBar]; // create the nav controller and add the root view controller as its first view localNavigationController = [[UINavigationController alloc] initWithRootViewController:latestNewsController]; // add the new nav controller (with the root view controller inside it) // to the array of controllers [localControllersArray addObject:localNavigationController]; // release since we are done with this for now [localNavigationController release]; [latestNewsController release]; // setup the second view controller just like the first Forums* forumsController; forumsController = [[Forums alloc] initWithTabBar]; localNavigationController = [[UINavigationController alloc] initWithRootViewController:forumsController]; [localControllersArray addObject:localNavigationController]; [localNavigationController release]; [forumsController release]; RecipeList* recipesController = [[RecipeList alloc] initWithTabBar]; localNavigationController = [[UINavigationController alloc] initWithRootViewController:recipesController]; [localControllersArray addObject:localNavigationController]; [localNavigationController release]; [recipesController release]; //Setup Connect view Connect* cnt = [[Connect alloc] initWithTabBar]; [localControllersArray addObject:cnt]; [cnt release]; //Setup Subscribe View Subscribe* scribe = [[Subscribe alloc] initWithTabBar]; [localControllersArray addObject:scribe]; [scribe release]; // load up our tab bar controller with the view controllers tabBarController.viewControllers = localControllersArray; [localControllersArray release]; [window addSubview:tabBarController.view]; [window makeKeyAndVisible];

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• Modifying LaTeX Table of Contents to add a period after chapter/table/figure number

  - by Reverend Gonzo

  I need to add a period after the chapter/table/figure number in each line in Table of Contents/LoT/LoF. ie, right now it shows: TABLES 1 first 2 second but I need it to show: TABLES 1. first 2. second I know this can be done with the tocloft package, however, that package is conflicting with the latex style I'm using, with the error: \c@lotdepth is already defined. (The style is an old style for my university's thesis format, but it's slightly out of date, so I need to make some changes to get it right. I also found that I can change thechapter/thetable/thefigure, so those contain periods. However, that then messes up my references and has the period in all of my references.

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• latex tabular vertical alignment to top?

  - by shoosh

  I'm trying to create a simple tabular with two cells of text and two images below them like so: \begin{tabular}[h]{ c | c} \emph{Normal} & \emph{Cone} \\ \includegraphics[width=0.39\textwidth]{images/pipe1} & \includegraphics[width=0.61\textwidth]{images/pipe2} \end{tabular} The first image is shorter than the second and I want it to be aligned at the top of the cell but for some reason it gets aligned to the bottom of the cell instead. I've tried using the array package and do this: \begin{tabular}[h]{ p{0.39\textwidth} | p{0.61\textwidth} } \emph{Normal} & \emph{Cone} \\ \includegraphics[width=0.39\textwidth]{images/pipe1} & \includegraphics[width=0.61\textwidth]{images/pipe2} \end{tabular} But this doesn't change anything. The first image is still aligned to the bottom. Why is that? Could there be something else going on which forces the alignment to stick to the bottom?

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• backslashbox is too wide

  - by Tim

  Hi I feel the first column in my longtable is too wide. Please see the figure below My code is: \begin{center} \begin{longtable}{|c|c|c|c|c|c|} \caption{Error rates for SVM and 100 random counts. \label{tab:svmcount100errortable}}\\ \hline \backslashbox{Concepts}{Train sizes} & 10 & 100 & 1000 & 10000 & 100000\\ \hline 1 & 0.49 (0.00) & 0.49 (0.00) & 0.47 (0.00) & 0.43 (0.00) & 0.33 (0.00)\\ \hline \end{longtable} \end{center} I wonder if there is some way to reduce the width of the first column? Thanks and regards!

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• Unable to send mail through Google SMTP with PHPMailer

  - by bartclaeys

  Hello, I'm trying to send out mail using Google's SMTP in combination with PHPMailer, but I can't get it to work. This is my code: $mail->IsSMTP(); $mail->Host = "smtp.gmail.com"; $mail->SMTPAuth = true; $mail->SMTPSecure = "ssl"; $mail->Username = "[email protected]"; $mail->Password = "**********"; $mail->Port = "465"; First I do not fully understand what should be filled in as 'SMTPSecure', some say 'ssl', other say 'tls'. Next for 'Port' I could enter '465' or '587'. But none of the combinations work... Note that I'm using a regular Gmail account and not Google Apps. In my Gmail account I've enabled 'POP access'. The error I get is: "Must issue a STARTTLS command first". Which means SSL failed, but don't know why...

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