initwithcontentsoffile

Appending a new line in a file(log file) in c++

拥有回忆 提交于 2019-12-03 23:19:32
问题 I have a logging functionality and in this I have got log files. Now every time I run the program I want that previously written file should not get deleted and should be appended with the current data (what ever is there in the log file) Just to make it clear for example: I have a log file logging_20120409.log which keeps the timestamp on a daily basis. Suppose I run my project it writes to it the current timestamp. Now if I rerun it the previous timestamp gets replaced with it. I do not

UIImage initWithContentsOfFile doesn't work

女生的网名这么多〃 提交于 2019-12-03 17:39:25
问题 I have question: I want to avoid [UIImage imageNamed:]. So i did: UIImage *prodImg = [[UIImage alloc] initWithContentsOfFile:@"myimage.png"]; controller.productImg.image = prodImg; [prodImg release]; But now the image is not shown anymore. Does anyone know how to get that to work? 回答1: The above code is not working because correct way to do it is- NSString *thePath = [[NSBundle mainBundle] pathForResource:@"default" ofType:@"jpeg"]; UIImage *prodImg = [UIImage imageWithContentsOfFile:thePath]

UIImage initWithContentsOfFile doesn't work

心已入冬 提交于 2019-12-03 05:51:22
I have question: I want to avoid [UIImage imageNamed:]. So i did: UIImage *prodImg = [[UIImage alloc] initWithContentsOfFile:@"myimage.png"]; controller.productImg.image = prodImg; [prodImg release]; But now the image is not shown anymore. Does anyone know how to get that to work? Devarshi The above code is not working because correct way to do it is- NSString *thePath = [[NSBundle mainBundle] pathForResource:@"default" ofType:@"jpeg"]; UIImage *prodImg = [UIImage imageWithContentsOfFile:thePath]; controller.productImg.image = prodImg; [prodImg release]; ;) 来源: https://stackoverflow.com

Appending a new line in a file(log file) in c++

最后都变了- 提交于 2019-12-01 02:06:36
I have a logging functionality and in this I have got log files. Now every time I run the program I want that previously written file should not get deleted and should be appended with the current data (what ever is there in the log file) Just to make it clear for example: I have a log file logging_20120409.log which keeps the timestamp on a daily basis. Suppose I run my project it writes to it the current timestamp. Now if I rerun it the previous timestamp gets replaced with it. I do not want this functionality. I want the previous time stamp along with the current time stamp. Please help You