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What is the 'override' keyword in C++ used for? [duplicate]
I am a beginner in C++. I have come across override keyword used in the header file that I am working on. May I know, what is real use of override , perhaps with an example would be easy to understand.
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Useful example of a shutdown hook in Java?
...ou could do the following:
Let the shutdown hook set some AtomicBoolean (or volatile boolean) "keepRunning" to false
(Optionally, .interrupt the working threads if they wait for data in some blocking call)
Wait for the working threads (executing writeBatch in your case) to finish, by calling the T...
How do I get my Python program to sleep for 50 milliseconds?
How do I get my Python program to sleep for 50 milliseconds?
6 Answers
6
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convert UIImage to NSData
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Try one of the following, depending on your image format:
UIImageJPEGRepresentation
Returns the data for the specified image in JPEG format.
NSData * UIImageJPEGRepresentation (
UIImage *image,
CGFloat compressionQuality
);
UIImagePNGRepresentation
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How to set JAVA_HOME environment variable on Mac OS X 10.9?
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Literally all you have to do is:
echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile
and restart your shell.
If you have multiple JDK versions installed and you want it to be a specific one, you can use the -v flag to java_home like so:
e...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
... a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
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Get the current fragment object
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Thanks for your response. It will work if we have set fragment using fragmentTransaction.replace or fragmentTransaction.add but will not get if we have set it at xml. See my edit 2
– Labeeb Panampullan
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How to uninstall Jenkins?
... installed using the official Jenkins Mac installer from http://jenkins-ci.org/
Execute uninstall script from terminal:
'/Library/Application Support/Jenkins/Uninstall.command'
or use Finder to navigate into that folder and double-click on Uninstall.command.
Finally delete last configuration bi...
jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
I have this line of JavaScript and the behavior I am seeing is that the selectedLi instantly disappears without "sliding up". This is not the behavior that I expected.
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PowerMockito mock single static method and return object
... 2.
You need to use the PowerMockito.mockStatic to enable static mocking for all static methods of a class. This means make it possible to stub them using the when-thenReturn syntax.
But the 2-argument overload of mockStatic you are using supplies a default strategy for what Mockito/PowerMock sho...