fatal-error

问题 Stumped by this one. This code is giving me PHP Fatal error: Call to undefined method MyObject::helloWorld() But only the second time I run it, the first time it runs fine. class MyObject { function __construct() { echo("creating MyObject..."); } public function helloWorld() { echo("Hello World!"); } } $obj = new MyObject(); $obj->helloWorld(); I also see "creating MyObject..." generated the second time, but not "Hello World!". I'm in the process of upgrading to PHP 5.4.0. I Must be missing

问题 I am scaling a Bitmap by using a seekbar. Whenever i increase the progress of seekbar, image scaling fails by giving error "Bitmap size exceeds 32bits". If i scale the image with default seekbar value. it gives an error "Illegal argument exception: Width and height must be > 0". Log Report 07-26 05:20:23.189: E/AndroidRuntime(1145): FATAL EXCEPTION: main 07-26 05:20:23.189: E/AndroidRuntime(1145): java.lang.IllegalArgumentException: bitmap size exceeds 32bits 07-26 05:20:23.189: E

问题 I have the following code for a php quiz. if(isset($_POST['submit'])) { //Check to make sure that the name field is not empty if(($_POST['q_1'] == '') || ($_POST['q_2'] == '') || ($_POST['q_3'] == '') || ($_POST['q_4'] == '') || ($_POST['q_5'] == '')) { $nameError = 'Please choose an option'; $hasError = true; } else { for ($i=1; $i<=$types; $i+=1) { $nowval[$i] = 0; } for ($i=1; $i<=$questions; $i+=1) { $qvar = "q_$i"; //echo $qvar; tally($_POST[$qvar]);// LINE THAT CAUSES ERROR } $dominant

问题 I am trying to find information on handling errors when creating a persistent store coordinator on the iPhone. I have implemented lightweight migration NSError *error = nil; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, nil]; _persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:[self

问题 I've been trying to set up opencv_contrib (https://github.com/Itseez/opencv_contrib) on my Mac, but can't get past this problem. Below I've copied the steps I've taken and the current error output. Steps: 1 - Download opencv 2.4.10 and opencv_contrib. Unzip both into a new empty directory. File structure is newfolder/opencv-2.4.10, newfolder/opencv_contrib 2 - make a build director in opencv-2.4.10. File structure is newfolder/opencv-2.4.10/build 3 - cd build 4 - Run the following commands

问题 I'm not sure why this is happening but I'm getting an error stating: Calling layout.removeAllViews(); still results in IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first. The strange part is I've called: removeAllViews(); before adding a new one: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.download); ... ImageView imageViewz = (ImageView)

问题 I have a relatively large C#/WPF Visual Studio 2008 solution that I am trying to test and synchronize across 2 developer's computers. On my computer, I am able to build and debug (run) the project successfully without errors. On the second computer, I am able to build the solution without any errors. When I attempt to run the solution, Visual Studio starts the process but about 3 seconds later the entire development platform exits. Before it exits I briefly see one of our .xaml files opened

问题 I'm successfully storing an IP address in my database using the the INET_NTOA function as follows: $sql="INSERT INTO $tbl_subnets(address) VALUES(INET_NTOA('$address') However when trying to reverse this when selecting the address using INET_ATON I get the the following error: Fatal error: Call to undefined function INET_ATON() Using this code... <?php $sql="SELECT * FROM subnets"; $result=mysql_query($sql); // Start looping the rows in the database. while($rows=mysql_fetch_array($result)){ ?

问题 @IBAction func endTurn(sender: UIButton) { let index: Int = Int (arc4random_uniform(UInt32(coins.count))) var i = Int(arc4random_uniform((3))) for i; i < 3; i++ { coins[i].hidden = true coins.removeAtIndex(i) println(i) } } I have 21 coins. It's array of buttons (@IBOutlet var coins: [UIButton]!). When i press "endTurn", the coins hidden. But when i have 3 coins or less, i get the fatal error (the line: coins[i].hidden = true). What i need do? Thanks... 回答1: You are trying to access an index

问题 I'm having a problem with my Mail class. It was working before, but now i'm not sure what happened. here is the error: Fatal error: Call to undefined method Mail::sendTo() in C:\...\web\modules\register.php on line 30 My mail class: class Mail { public static $Headers = 'From:akshay@myemail.com'; public $sendtowho; public $subject; public $message; public $template; public function sendTo($who='') { $this->sendtowho = $who; } public function with($subj='',$template) { $this->subject = $subj;