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Python list iterator behavior and next(iterator)
...tions, each iteration resulting in 2 lines being written to the terminal.
If you assign the output of next() things work as expected:
>>> a = iter(list(range(10)))
>>> for i in a:
... print(i)
... _ = next(a)
...
0
2
4
6
8
or print extra information to differentiate the ...
What is the default access specifier in Java?
I just started reading a Java book and wondered; which access specifier is the default one, if none is specified?
12 Answer...
Variable is accessed within inner class. Needs to be declared final
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If you don't want to make it final, you can always just make it a global variable.
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How to order citations by appearance using BibTeX?
...e three good answers to this question.
Use the unsrt bibliography style, if you're happy with its formatting otherwise
Use the makebst (link) tool to design your own bibliography style
And my personal recommendation:
Use the biblatex package (link). It's the most complete and flexible bibliogr...
Remove all files except some from a directory
...th] -type f -not -name 'textfile.txt' -not -name 'backup.tar.gz' -delete
If you don't specify -type f find will also list directories, which you may not want.
Or a more general solution using the very useful combination find | xargs:
find [path] -type f -not -name 'EXPR' -print0 | xargs -0 rm ...
Make Bootstrap Popover Appear/Disappear on Hover instead of Click
... which is the better option, JS initialization or data-attributes ? Even if I use data-attributes, I still would have to call $("#popover").popover(); from my JavaScript.
– Bailey
Jan 3 '18 at 7:58
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How to call a parent class function from derived class function?
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I'll take the risk of stating the obvious: You call the function, if it's defined in the base class it's automatically available in the derived class (unless it's private).
If there is a function with the same signature in the derived class you can disambiguate it by adding the base class'...
Why use symbols as hash keys in Ruby?
...ring you mention throughout your source code in it's separate entity, e.g. if you have a string "name" multiple times mentioned in your source code, Ruby needs to store these all in separate String objects, because they might change later on (that's the nature of a Ruby string).
If you use a string...
What is the effect of encoding an image in base64?
If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
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Removing an activity from the history stack
...ibute to "true" in the relevant <activity> entries in your AndroidManifest.xml file. For example:
<activity
android:name=".AnyActivity"
android:noHistory="true" />
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