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Fastest way to determine if an integer's square root is an integer
...orks ~35% faster than your 6bits+Carmack+sqrt code, at least with my CPU (x86) and programming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers ...
How ListView's recycling mechanism works
... will notice that the 'convertView' is not null, its because your new item 8 will be drawn using convertview, i.e., basically it takes item 1 view from the recycler and inflates item 8 in its place, and you can observe that in my code. If you had a checkbox and if you check it at position 0(let's sa...
What is the syntax to insert one list into another list in python?
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edited Jan 8 '15 at 22:03
the Tin Man
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Is volatile expensive?
...down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
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Find and copy files
...check this
– shellbye
Jan 17 '17 at 8:44
find -iname '*.mp3' -mtime -1 -exec cp {} /home/my_path/ \; is there anything...
How do I write a “tab” in Python?
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This is the code:
f = open(filename, 'w')
f.write("hello\talex")
The \t inside the string is ...
How do you delete all text above a certain line
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dgg
will delete everything from your current line to the top of the file.
d is the deletion c...
Can a C# lambda expression have more than one statement?
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How to get different colored lines for different plots in a single figure?
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vpz
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answered Jan 26 '11 at 14:11
Joe KingtonJoe Kington
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
...I encoding, but the pound symbol is not an ASCII character. Try using UTF-8 encoding. You can start by putting # -*- coding: utf-8 -*- at the top of your .py file. To get more advanced, you can also define encodings on a string by string basis in your code. However, if you are trying to put the ...