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Remove Fragment Page from ViewPager in Android
...ange of all previous fragments
baseId += getCount() + n;
}
}
Now, for example if you delete a single tab or make some change to the order, you should call notifyChangeInPosition(1) before calling notifyDataSetChanged(), which will ensure that all the Fragments will be recreated.
Why t...
What is the advantage of using abstract classes instead of traits?
... performance overhead.
However, you should make this choice only if you know that the trait
in question constitutes a performance bottleneck and have evidence
that using a class instead actually solves the problem.
If you still do not know, after considering the above, then start by
mak...
How to invoke the super constructor in Python?
...
def __init__(self):
print("hello")
super().__init__()
super() is now equivalent to super(<containing classname>, self) as per the docs.
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Hidden Features of Java
...d it, never heard of it before.
ThreadLocals are typically not so widely known as a way to store per-thread state.
Since JDK 1.5 Java has had extremely well implemented and robust concurrency tools beyond just locks, they live in java.util.concurrent and a specifically interesting example is the j...
Does C have a “foreach” loop construct?
...
As you probably already know, there's no "foreach"-style loop in C.
Although there are already tons of great macros provided here to work around this, maybe you'll find this macro useful:
// "length" is the length of the array.
#define each(item, ...
How to change the button text of ?
...
@Ya can you tell what browser and it version? Tested now on Chrome Version 43.0.2357.130 (64-bit) on Linux and all examples works perfectly.
– Fernando Kosh
Jul 6 '15 at 21:16
...
How can I negate the return-value of a process?
...
Previously, the answer was presented with what's now the first section as the last section.
POSIX Shell includes a ! operator
Poking around the shell specification for other issues, I recently (September 2015) noticed that the POSIX shell supports a ! operator. For examp...
Parsing huge logfiles in Node.js - read in line-by-line
...n(){
console.log('Read entire file.')
})
);
Please let me know how it goes!
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NameError: global name 'unicode' is not defined - in Python 3
...t Martijn, I forgot to include : in my code, thanks for the help, it works now.
– TJ1
Nov 9 '13 at 15:13
I like 2to3 t...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...ents
Drag and drop between browser windows can't be prevented as far as I know.
The edit->copy menu item in e.g. Firefox can still allow copy/pasting.
There's also no guarantee that for people with different keyboard layouts/locales that copy/paste/cut are the same key codes (though layouts often...