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Why does String.valueOf(null) throw a NullPointerException?
...ring.valueOf(Object)
String.valueOf(char[])
Java Specification Language mandates that in these kind of cases, the most specific overload is chosen:
JLS 15.12.2.5 Choosing the Most Specific Method
If more than one member method is both accessible and applicable to a method invocation, it is n...
What is the best way to detect a mobile device?
... attribute? I would like to run a different script if the browser is on a handheld device.
59 Answers
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How to override and extend basic Django admin templates?
...ing-templates
Original answer from 2011:
I had the same issue about a year and a half ago and I found a nice template loader on djangosnippets.org that makes this easy. It allows you to extend a template in a specific app, giving you the ability to create your own admin/index.html that extends the a...
How do I do a 'git status' so it doesn't display untracked files without using .gitignore?
...
That's a command-line operation; not a git config file edit.
– Ross Rogers
Dec 4 '17 at 17:55
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View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
...
CSS customized scroll bar in div
...an I customize a scroll bar via CSS (Cascading Style Sheets) for one div and not the whole page?
18 Answers
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How do I make a splash screen?
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Further reading:
App Launch time & Themed launch screens (Android Performance Patterns Season 6 Ep. 4)
Splash screen in Android: The right way
Old answer:
HOW TO: Simple splash screen
This answers shows you how to display a splash screen for a fixed amount of time when your app ...
Why is using 'eval' a bad practice?
...few reasons:
There is almost always a better way to do it
Very dangerous and insecure
Makes debugging difficult
Slow
In your case you can use setattr instead:
class Song:
"""The class to store the details of each song"""
attsToStore=('Name', 'Artist', 'Album', 'Genre', 'Location')
d...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline?
4 Answers
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Difference between static STATIC_URL and STATIC_ROOT on Django
I am confused by static root and want to clarify things.
3 Answers
3
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