memory-leaks

问题 I'm creating a quite simple Go board game in JavaFX. I stumbled on growing memory usage in my application and after reducing everything unnecessary, it appeared that even the minimal example causes huge memory growth overtime, its about 50 to 100MB/s . Here's the code: import javafx.animation.AnimationTimer; import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.canvas.Canvas; import javafx.scene.canvas.GraphicsContext; import javafx

问题 I am showing a image in qt label. Below is my code: void MyClass::onPushButtonClicked(QString myurl) { this->setCursor(Qt::WaitCursor); ui.qtImageLabel->clear(); qDebug()<<QTime::currentTime()<<"MyClass: onPushButtonClicked"; QNetworkAccessManager *qnam_push_button_clicked_show_image; QNetworkReply *reply; QNetworkRequest request; request.setHeader( QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded" ); QUrl url(myurl); request.setUrl(url); qnam_push_button_clicked_show

问题 I am showing a image in qt label. Below is my code: void MyClass::onPushButtonClicked(QString myurl) { this->setCursor(Qt::WaitCursor); ui.qtImageLabel->clear(); qDebug()<<QTime::currentTime()<<"MyClass: onPushButtonClicked"; QNetworkAccessManager *qnam_push_button_clicked_show_image; QNetworkReply *reply; QNetworkRequest request; request.setHeader( QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded" ); QUrl url(myurl); request.setUrl(url); qnam_push_button_clicked_show

问题 When I run the following program ... application is holding some 5MB of memory even after releasing all objects ... when I don't add an object to list everything works fine ... but I am not sure why application is holding memory even after releasing the list. I have read this link "NSMutableArray big memory hog?" and even tried with custom mutable array by mikeash MACollections -- in all the cases ... the memory allocated in the loop never get released if I add the object into list. Please

问题 I'm trying to debug a difficult memory leak. In MyAppDelegate.m, I have - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.notificationTimer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(syncNotifications:) userInfo:nil repeats:YES]; return YES; } - (void)syncNotifications:(NSTimer*)timer { NSString *path = @"http://example"; NSLog(@"GET: %@", path); AFHTTPRequestOperationManager *network =

问题 Let me start with a code clip: QByteArray ba; ba.resize(500000); int encsize = avcodec_encode_video(context, (uint8_t*)ba.data(), 500000, frame.unownedPointer()); What I'm doing is encoding the data from frame and putting the data into the buffer pointed at QByteArray. If I comment out the avcodec_encode_video line my memory leak goes away. unownedPointer() looks like this: if (this->frame != NULL) return this->frame; this->frame = avcodec_alloc_frame(); uchar *data = this->img.bits(); frame-

问题 I developing an simple application in which design or make code in which i creating and instance object of UIImage. When i swip on Ipad screen it make up an image of the sreen and that image i render into UIImage object after that this image i set into UIImageView object and UIimage object is released. Every time i swipe on the screen and above process is does again and again. But it give me leak in renderImage = [[UIImage alloc] init]; . Code, _renderImage = [[UIImage alloc] init];

问题 In order to solve this problem Bad memory management? Class member (boolean) value greater than 1, in recursion function, I ran the whole program under Valgrind and found a few memory leak problems that occurred before the step. There were 2 'definitely lost' problems identified in the function CMFLoader. (here MyDataset is a vector of Molecule objects, and each Molecule object contains an Elements object) In CMFLoader::loadFile(vector& MyDataset), I originally have MyDataset.push_back(

问题 I have memory leak on jsonParser. Here is my code - (id) objectWithUrl:(NSURL *)url { SBJsonParser *jsonParser = [SBJsonParser new]; NSString *jsonString = [self stringWithUrl:url]; // Parse the JSON into an Object return [jsonParser objectWithString:jsonString error:nil]; } This is the error message I'm getting, potential leak of an object allocated on line 192 and stored into 'jsonParser' Please help. 回答1: +new is equivalent to the [[SBJsonParser alloc] init] call so you're responsible to

问题 My application keeps running for 4 to 6 hours, During this time there is no contineous increase in memory or anything similar. Then after 4 to 6 hours i start getting EOutofMemory Exceptions. Even still at that time there is only 900MB out of 3GB RAM is used as per task manager. And application itself is not using more then 200MB . Then why i am getting EOoutofMEmory error ? Does it mean that memory leak is not necessarily visible in task manager ? Regagards 回答1: Use Process Explorer instead