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Java List.add() UnsupportedOperationException
I try to add objects to a List<String> instance but it throws an UnsupportedOperationException .
Does anyone know why?
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Can Selenium Webdriver open browser windows silently in background?
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On windows you can use win32gui:
import win32gui
import win32con
import subprocess
class HideFox:
def __init__(self, exe='firefox.exe'):
self.exe = exe
self.get_hwnd()
def get_hwnd(self):
win_name = get_win_name(self....
How to convert C# nullable int to int
How do I convert a nullable int to an int ? Suppose I have 2 type of int as below:
17 Answers
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How to check version of python modules?
...dstr lxml
– Alex F
Oct 12 '18 at 15:32
2
windows variant with find (1 character shorter...): pip ...
wkhtmltopdf: cannot connect to X server
... it worked for me.. in some situations. I think installing missing 32bit libraries fixed it for me - thanks for that tip
– TimoSolo
Mar 14 '12 at 7:03
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How to import the class within the same directory or sub directory?
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32
Because that's how Python identifies directories from which you're allowed to import. The directory of the script you're running is an exce...
What is Castle Windsor, and why should I care?
I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...
Explain the use of a bit vector for determining if all characters are unique
... between them:
Size. int has fixed size, usually 4 bytes which means 8*4=32 bits (flags). Bit vector usually can be of different size or you should specify the size in constructor.
API. With bit vectors you will have easier to read code, probably something like this:
vector.SetFlag(4, true); // s...
Immutability of Strings in Java
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– Michael 'Maik' Ardan
Aug 29 '13 at 5:32
+1 Here's an idea, immutable objects in java are like copy-by-value, you can ha...
ImportError in importing from sklearn: cannot import name check_build
...answered May 26 '15 at 1:02
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