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Get index of array element faster than O(n)
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edited Feb 13 '13 at 0:37
answered Jun 5 '11 at 10:41
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How do I get the picture size with PIL?
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513
from PIL import Image
im = Image.open('whatever.png')
width, height = im.size
According to th...
Do login forms need tokens against CSRF attacks?
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edited May 23 '17 at 11:47
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111 silver badge
answered Mar 11 '13 at 22:47
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Cannot ping AWS EC2 instance
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answered May 30 '15 at 9:39
RakibRakib
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What does Expression.Quote() do that Expression.Constant() can’t already do?
...ex1.Compile();
var f1b = f1a(100);
Console.WriteLine(f1b(123));
The lambda has a nested lambda; the compiler generates the interior lambda as a delegate to a function closed over the state of the function generated for the outer lambda. We need consider this case no more.
Suppose ...
How do I write JSON data to a file?
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2137
You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it like ...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...ependency chain depending on what the register allocator decided to do.
13 GB/s has a chain: popcnt-add-popcnt-popcnt → next iteration
15 GB/s has a chain: popcnt-add-popcnt-add → next iteration
20 GB/s has a chain: popcnt-popcnt → next iteration
26 GB/s has a chain: popcnt-popcnt → next i...
Changing Vim indentation behavior by file type
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311
You can add .vim files to be executed whenever vim switches to a particular filetype.
For exa...
REST, HTTP DELETE and parameters
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edited May 23 '17 at 11:47
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111 silver badge
answered Mar 29 '10 at 20:59
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Determine a string's encoding in C#
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31
Check out Utf8Checker it is simple class that does exactly this in pure managed code.
http://ut...