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Can you write virtual functions / methods in Java?
...de it
} //you would get a compile time error.
abstract void jump(); //jump() is a "pure" virtual function
}
class MyDog extends Dog{
void jump(){
System.out.println("boing"); //here jump() is be...
What's the proper way to install pip, virtualenv, and distribute for Python?
...o apt-get install virtualenvwrapper)
Note: in Ubuntu 14.04 I receive some errors with pip install, so I use pip3 install virtualenv virtualenvwrapper and add VIRTUALENVWRAPPER_PYTHON=/usr/bin/python3 to my .bashrc/.zshrc file.
You then append to your .bashrc file
export WORKON_HOME
source /usr/lo...
Git rebase fails, 'Your local changes to the following files would be overwritten by merge'. No loca
...
I had the same errors as above although I'm using Aptana Studio 3. When I exited Aptana, the rebase worked. I had turned off Aptana's git integration a few days ago. Either it didn't really turn off or I should have restarted Aptana.
...
How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
I receive following error when I save the object using Hibernate
30 Answers
30
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Read and overwrite a file in Python
...g open as a context manager, which will close the file handler, even if an error occurs!
with open(filename, 'r+') as f:
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
...
How to use Class in Java?
...erics.
Class<Student> studentClassRef = t.getClass(); //Compilation error.
Now what is T ?? T is type parameters (also called type variables); delimited by angle brackets (<>), follows the class name.
T is just a symbol, like a variable name (can be any name) declared during writing...
Setting Icon for wpf application (VS 08)
...
The easy fix for this error message is to set the icon to a build action of "Resource" as @AdamDylla said: stackoverflow.com/a/39897641/1703887
– csrowell
Aug 25 '17 at 15:00
...
Android: create a popup that has multiple selection options
... //second option clicked, do this...
}else{
//theres an error in what was selected
Toast.makeText(getApplicationContext(), "Hmmm I messed up. I detected that you clicked on : " + which + "?", Toast.LENGTH_LONG).show();
}
}
});
window.show();
...
no gravity for scrollview. how to make content inside scrollview as center
...but just doesn't feel right, besides I think it will also result in a lint error (useless parent or something along those lines).
Try something like this:
<ScrollView
android:id="@+id/scroller"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddin...
How to redirect a url in NGINX
... passenger_enabled on;
rails_env production;
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
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