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  • Invoke target throwing invalid cross-thread operate exception

    - by sqwerty
    MethodInfo mi = typeof(NotifyIcon).GetMethod("ShowContextMenu", BindingFlags.Instance | BindingFlags.NonPublic); mi.Invoke(notify, null); This throws the following exception: {"Exception has been thrown by the target of an invocation."} With the following inner exception: "Cross-thread operation not valid: Control '' accessed from a thread other than the thread it was created on." If I comment out a line of code that sets the images for the context menu entries then it stops throwing the exception. Any ideas?

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  • How can I calculate the age at death?

    - by user521180
    SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy"); if(petDetails.getDateOfDeath() != null){ String formatedDateOfDeath = formatter.format(petDetails.getDateOfDeath()); String formateDateOfBirth = formatter.format(petDetails.getDateOfBirth()); } How can i calculate the age of death from the above. I dont want to use any externallibraries EDIT: please look at what I've got so far.none of the other threads are like mine. most of them are about date from DOB to today and not in the format im using.

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  • Unable to use getInt() but able to use getString() for a sqlite database

    - by mwrazam
    I am using a cursor to access a sqlite database I have in my app. I am having trouble using the .getInt() on my database. My database is pre-created, and I have a few cursors that perform queries to interface with the information. Several of the columns in one of the tables are set as INTEGER type. I realize that sqlite has no built in check to make sure columns are indeed INT. However, when retrieving the data, I can use the .getString() function without any issues, but calling .getInt() causes the app to crash. Below is the relevant code. If I am missing anything, please let me know, and I'll add it in. Any help is greatly appreciated. Thank you very much. Cursor: public Cursor getSkitStats(int module, int skit) { Cursor mCursor = myDataBase.rawQuery("SELECT * FROM score WHERE mod="+module+" AND skit="+skit+"", null); if (mCursor != null) { mCursor.moveToFirst(); } return mCursor; } and I am using a simple Toast call to output the result of the query: Toast.makeText(getApplicationContext(), scoreContent.getInt(0), Toast.LENGTH_SHORT).show(); The variable scoreContent is the cursor. And here is the crash output: 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1659) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.ActivityThread.access$1500(ActivityThread.java:121) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.os.Handler.dispatchMessage(Handler.java:99) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.os.Looper.loop(Looper.java:130) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.ActivityThread.main(ActivityThread.java:3701) 07-08 23:53:31.726: E/AndroidRuntime(15685): at java.lang.reflect.Method.invokeNative(Native Method) 07-08 23:53:31.726: E/AndroidRuntime(15685): at java.lang.reflect.Method.invoke(Method.java:507) 07-08 23:53:31.726: E/AndroidRuntime(15685): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866) 07-08 23:53:31.726: E/AndroidRuntime(15685): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624) 07-08 23:53:31.726: E/AndroidRuntime(15685): at dalvik.system.NativeStart.main(Native Method) 07-08 23:53:31.726: E/AndroidRuntime(15685): Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x2 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.content.res.Resources.getText(Resources.java:205) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.widget.Toast.makeText(Toast.java:258) 07-08 23:53:31.726: E/AndroidRuntime(15685): at jp.atomicideas.ne.Summary.onCreate(Summary.java:90) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 07-08 23:53:31.726: E/AndroidRuntime(15685): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1623) 07-08 23:53:31.726: E/AndroidRuntime(15685): ... 11 more

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  • How to check total cache size using a program

    - by user1888541
    so I'm having some trouble creating a program to measure cache size in C. I understand the basic concept of going about this but I'm still having trouble figuring out exactly what I am doing wrong. Basically, I create an array of varying length (going by power of 2s) and access each element in the array and put it in a dummy variable. I go through the array and do this around 1000 times to negate the "noise" that would otherwise occur if I only did it once to get an accurate measurement for time. Then, I look for the size that causes a big jump in access time. Unfortunately, this is where I am having my problem, I don't see this jump using my code and clearly I am doing something wrong. Another thing is that I used /proc/cpuinfo to check the cache and it said the size was 6114 but that was not a power of 2. I was told to go by powers of 2 to figure out the cache can anyone explain why this is? Here is the just of my code...I will post the rest if need be { struct timeval start; struct timeval end; // int n = 1; // change this to test different sizes int array_size = 1048576*n; // I'm trying to check the time "manually" first before creating a loop for the program to do it by itself this is why I have a separate "n" variable to increase the size char x = 0; int i =0, j=0; char *a; a =malloc(sizeof(char) * (array_size)); gettimeofday(&start,NULL); for(i=0; i<1000; i++) { for(j=0; j < array_size; j += 1) { x = a[j]; } } gettimeofday(&end,NULL); int timeTaken = (end.tv_sec * 1000000 + end.tv_usec) - (start.tv_sec *1000000 + start.tv_usec); printf("Time Taken: %d \n", timeTaken); printf("Average: %f \n", (double)timeTaken/((double)array_size); }

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  • Required Feild validator in grid view

    - by vigna hari karthik
    Hai Friends I am having one dyanmic grid in that amount and date is not null column user should enter some thing in that spceified column.my issue is that if the save button is pressed the requried validator is firing for all the rows which is empty.it should only show if the user shows in the current row.if the user left the particular row is empty and presses the save button the error message should show in the current row not all the rows. how to do this.

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  • Issue when rotating a UIScrollView

    - by leachianus.gecko
    I am having issues trying to get the pageControl sample code to work with rotation. I managed to get it to rotate but it does not visually load correctly until I start to scroll (then it works fine). Any Idea on how I can fix this problem? Here is a link to the project if you want to see it in action. This code is based off the PageControl example apple has provided. here is the code: #import "ScrollingViewController.h" #import "MyViewController.h" @interface ScrollingViewController (PrivateMethods) - (void)loadScrollViewWithPage:(int)page; @end @implementation ScrollingViewController @synthesize scrollView; @synthesize viewControllers; - (void)viewDidLoad { amount = 5; [super viewDidLoad]; [self setupPage]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } - (void)viewDidUnload { [scrollView release]; } - (void)dealloc { [super dealloc]; } - (void)setupPage { NSMutableArray *controllers = [[NSMutableArray alloc] init]; for (unsigned i = 0; i < amount; i++) { [controllers addObject:[NSNull null]]; } self.viewControllers = controllers; [controllers release]; // a page is the width of the scroll view scrollView.pagingEnabled = YES; scrollView.contentSize = CGSizeMake(scrollView.frame.size.width * amount, 200); scrollView.showsHorizontalScrollIndicator = NO; scrollView.showsVerticalScrollIndicator = NO; scrollView.scrollsToTop = NO; scrollView.delegate = self; [self loadScrollViewWithPage:0]; [self loadScrollViewWithPage:1]; } #pragma mark - #pragma mark UIScrollViewDelegate stuff - (void)scrollViewDidScroll:(UIScrollView *)_scrollView { if (pageControlIsChangingPage) { return; } /* * We switch page at 50% across */ CGFloat pageWidth = _scrollView.frame.size.width; int dog = floor((_scrollView.contentOffset.x - pageWidth / 2) / pageWidth) + 1; // pageControl.currentPage = page; [self loadScrollViewWithPage:dog - 1]; [self loadScrollViewWithPage:dog]; [self loadScrollViewWithPage:dog + 1]; } - (void)loadScrollViewWithPage:(int)page { if (page < 0) return; if (page >= amount) return; MyViewController *controller = [viewControllers objectAtIndex:page]; if ((NSNull *)controller == [NSNull null]) { controller = [[MyViewController alloc] initWithPageNumber:page]; [viewControllers replaceObjectAtIndex:page withObject:controller]; [controller release]; } if (nil == controller.view.superview) { CGRect frame = scrollView.frame; frame.origin.x = frame.size.width * page; frame.origin.y = 0; controller.view.frame = frame; [scrollView addSubview:controller.view]; } } - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation { [self setupPage]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return YES; } @end

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  • Do While loop breaks after incorrect input?

    - by Daminkz
    I am trying to have a loop continue to prompt the user for an option. When I get a string of characters instead of an int, the program loops indefinitely. I have tried setting the variable result to NULL, clearing the input stream, and have enclosed in try{}catch blocks (not in this example). Can anyone explain to me why this is? #include <iostream> #include <vector> #include <string> using namespace std; int menu(string question, vector<string> options) { int result; cout << question << endl; for(int i = 0; i < options.size(); i++) { cout << '[' << i << ']' << options[i] << endl; } bool ans = false; do { cin >> result; cin.ignore(1000, 10); if (result < options.size() ) { ans = true; } else { cout << "You must enter a valid option." << endl; result = NULL; ans = false; } } while(!ans); return result; } int main() { string menuQuestion = "Welcome to my game. What would you like to do?"; vector<string> mainMenu; mainMenu.push_back("Play Game"); mainMenu.push_back("Load Game"); mainMenu.push_back("About"); mainMenu.push_back("Exit"); int result = menu(menuQuestion, mainMenu); cout << "You entered: " << result << endl; return 0; }

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  • How can I do a multi level parent-child sort using Linq?

    - by Tenacious T
    How can I do a multi-level parent-child sort using Linq if I have a table structure like the one below: [Table: Sections] Id Seq Name ParentSectionId 1 1 TOP NULL 2 1 AAAA 1 3 2 SSSS 1 4 3 DDDD 1 5 1 SectionA1 2 6 2 SectionA2 2 7 1 SectionS1 3 8 3 ASummary 2 Expected sort result: TOP AAAA SectionA1 SectionA2 ASummary SSSS SectionS1 DDDD

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  • Large Table in iFrame crashes IE8

    - by Brian
    I have a page with an iFrame whose source is an ashx page. The handler takes in 3 arguments through the query string and generates a text/html response containing a table. When the table gets 1700 rows it crashes the IE8 browser. The browser freezes and returns a null reference error. If I take the html that is being rendered and place it inside a DIV on the page it renders fine in IE8. Any suggestions?

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  • C# Reflection: How to call method of interface without creating instance?

    - by jitm
    Hello, I have situation where I have to call method of interface using reflection, like this object x = null; MethodInfo method = interfaceExists.GetMethod("ShutDown"); method.Invoke(x, new object[] { 4 }) As you can see I do not create instance of object! And, as I can supposed, I receive exception Non-static method requires a target And Question, Can I call method of interface using reflection without creating instance of interface and if YES, How I can do it ? Thank you.

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  • MySQLi Insert prepared statement via PHP

    - by Jimmy
    Howdie do, This is my first time dealing with MySQLi inserts. I had always used mysql and directly ran the queries. Apparently, not as secure as MySQLi. Anywho, I'm attempting to pass two variables into the database. For some reason my prepared statement keeps erroring out. I'm not sure if it's a syntax error, but the insert just won't work. I've updated the code to make the variables easier to read Also, the error is specifically, Error preparing statement. I've updated the code, but it's not a pHP error. It's a MySQL error as the script runs but fails at the execution of: if($stmt = $mysqli - prepare("INSERT INTO subnets (id, subnet, mask, sectionId, description, vrfId, masterSubnetId, allowRequests, vlanId, showName, permissions, pingSubnet, isFolder, editDate) VALUES ('', ?, ?, '1', '', '0', '0', '0', '0', '0', '{"3":"1","2":"2"}', '0', '0', 'NULL')")) { I'm going to enable MySQL error checking. I honestly didn't know about that. <?php error_reporting(E_ALL); function InsertIPs($decimnal,$cidr) { error_reporting(E_ALL); $mysqli = new mysqli("localhost","jeremysd_ips","","jeremysd_ips"); if(mysqli_connect_errno()) { echo "Connection Failed: " . mysqli_connect_errno(); exit(); } if($stmt = $mysqli -> prepare("INSERT INTO subnets (id, subnet, mask,sectionId,description,vrfld,masterSubnetId,allowRequests,vlanId,showName,permissions,pingSubnet,isFolder,editDate) VALUES ('',?,?,'1','','0','0','0','0','0', '{'3':'1','2':'2'}', '0', '0', NULL)")) { $stmt-> bind_param('ii',$decimnal,$cidr); if($stmt-> execute()) { echo "Row added successfully\n"; } else { $stmt->error; } $stmt -> close; } } else { echo 'Error preparing statement'; } $mysqli -> close(); } $SUBNETS = array ("2915483648 | 18"); foreach($SUBNETS as $Ip) { list($TempIP,$TempMask) = explode(' | ',$Ip); echo InsertIPs($Tempip,$Tempmask); } ?> This function isn't supposed to return anything. It's just supposed to perform the Insert. Any help would be GREATLY appreciated. I'm just not sure what I'm missing here

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  • Load data to GdkPixbufLoader from g_input_stream_read

    - by sterh
    Hello, I load some data from file: GInputStream* input_stream; GFile *file = g_file_new_for_path(file_path); input_stream = g_file_read(file,generator_cancellable ,NULL); g_input_stream_read(input_stream, buffer, sizeof (buffer),generator_cancellable,error); How can i load g_input_stream_read function result to the GdkPixbufLoader object? Thank you.

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  • Using RedirectToAction with custom type parameter

    - by user170497
    Hi asp.net mvc 2 I have this action in Identity controller public ActionResult Details(string id, MessageUi message) { And I'm trying to redirect to this action from another controller, but I don't know how should I pass the message parameter I was trying with var id = "someidvalue" var message = new MessageUi("somevalue"); return RedirectToAction("Details", "Identity", new { id, message}); } but message parameter is null

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  • Retain IEnumerable<T> value during postback

    - by ScG
    I have an IEnumerable< T which is declared on the page like this: IEnumerable< Person person; When the page postsback, the person list is null. How can I retain the values of person list without declaring it as static? Sr. devs in my company say that you should not declare the list as static.

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  • DateTime Formatting in repeater

    - by Krishna
    Hi, I am trying to format the date time (yyyy/MM/dd) in a repeater which is binded to an ObjectDataSource as shown (THIS WORKS) <%# ((MyType)Container.DataItem).CreateDateTime.ToString("yyyy/MM/dd")% (THIS DOES`NT WORKS) <%# String.Format("{0:yyyy/MM/dd}",((MyType)Container.DataItem).UpdateDateTime)% I want to have both things working because sometimes the property UpdateDateTime is null, in such cases the second line of code handles smart. Thank you for the help in advance.

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  • ImageView place at center on click in gallery view

    - by TGMCians
    i used gallery view in which i place multiple imageview dynamically but on click imageview place at center and second question how to start first imageview from left of screen. I do not want to change the place until user scroll horizontally by finger . Is there any way to achieve this. Please help for this.. private class ImageAdapter extends BaseAdapter{ public ImageAdapter() { //To set blank at bottom and make visible TextView textView = (TextView)findViewById(R.id.textView2); textView.setVisibility(View.VISIBLE); //To set the visibility visible of gallery myGallery.setVisibility(View.VISIBLE); } public int getCount() { return ProductItemArray.Image_URL.length; } public Object getItem(int position) { return null; } public long getItemId(int position) { return 0; } public View getView(int position, View arg1, ViewGroup arg2) { ImageView bottomImageView = new ImageView(context); if(Helper.isTablet(context)) bottomImageView.setLayoutParams(new Gallery.LayoutParams(VirtualMirrorActivity.convertDpToPixel(100, context), VirtualMirrorActivity.convertDpToPixel(100, context))); else bottomImageView.setLayoutParams(new Gallery.LayoutParams(VirtualMirrorActivity.convertDpToPixel(80, context), VirtualMirrorActivity.convertDpToPixel(80, context))); UrlImageViewHelper.setUrlDrawable(bottomImageView, ProductItemArray.Image_URL[position]); bottomImageView.setBackgroundResource(R.layout.border); return bottomImageView; } } myGallery.setAdapter(new ImageAdapter()); myGallery.setSelection(1); myGallery.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, final int position, long arg3) { linearLayout.removeView(frameImageView); Thread newThread = new Thread(new Runnable() { public void run() { URL url_1 = null; try { isAlreadyExistInWishlist = false; VMProductListPaging.productUrl = ProductItemArray.Image_small_URL[position]; VMProductListPaging.productId = ProductItemArray.productId[position]; VMProductListPaging.productName = ProductItemArray.product_Name[position]; url_1 = new URL(ProductItemArray.Image_small_URL[position]); bmp = BitmapFactory.decodeStream(url_1.openConnection().getInputStream()); isExecuted = true; bitmapHandler.sendMessage(bitmapHandler.obtainMessage()); } catch (Exception e) { //Toast.makeText(context,"Sorry!! This link appears to be broken",Toast.LENGTH_LONG).show(); } } }); newThread.start(); } }); Layout.xml <Gallery android:id="@+id/galleryView" android:layout_width="fill_parent" android:layout_height="wrap_content" android:spacing="5dp" android:layout_below="@+id/sendPhoto" android:layout_marginTop="10dp" android:visibility="gone"/>

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  • how to store hour and minute in database table while using mktime() function?

    - by Learner Miz
    I am using a form to get the hour and minute using post method and then store it to mysql DB. Such as : $hour = $_POST['hour']; $minute = $_POST['minute']; ** There is no need of date, month and year. I just need to store the hour and minute in a column of a table (ex: exam_time) Column structure: exam_time time NOT NULL Now how to store these value into database using mktime() function. I tried but it stores 00:00:00, not the one which I am sending via form.

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  • Invoking static methods containing Generic Parameters using Reflection.

    - by AJP
    While executing the following code i gets this error "Late bound operations cannot be performed on types or methods for which ContainsGenericParameters is true." class Program { static void Main(string[] args) { MethodInfo MI = typeof(MyClass).GetMethod("TestProc"); MI.MakeGenericMethod(new [] {typeof(string)}); MI.Invoke(null, new [] {"Hello"}); } } class MyClass { public static void TestProc<T>(T prefix) { Console.WriteLine("Hello"); } } Please help.

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  • application_authenticaterequest does not fire when using Page.GetRouteUrl

    - by msoumare
    I'm converting some URLs from a web application using ASP.NET 4.0 friendly SEO Urls: From <a href="profile.aspx" ></a> To <a href="<%= Page.GetRouteUrl("Profile", null) %>" ></a> The problem is before conversion when I try to hit profile.aspx it would fire the application_authenticaterequest but after conversion when I try to hit Page.GetRouteUrl it would not fire the application_authenticaterequest. Thanks

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  • Automatically generating Guids in Sybase

    - by Daniel Dyson
    I have a table with 42 million records. 32 million have a null value and I would like to generate a new guid for each one. Should I do this in batches? Also, going forward, I would like a new guid added to the field on the insert of a new record. What is the best way to do this? The field is not the primary key, which is an auto-incrementing integer.

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