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What's the best way to set a single pixel in an HTML5 canvas?
... // only do this once per page
d[0] = r;
d[1] = g;
d[2] = b;
d[3] = a;
myContext.putImageData( id, x, y );
Use fillRect() to draw a pixel (there should be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect( x, y, 1, 1 );
You can test the ...
Convert to binary and keep leading zeros in Python
...re putting the result in a larger string, use an formatted string literal (3.6+) or use str.format() and put the second argument for the format() function after the colon of the placeholder {:..}:
>>> value = 14
>>> f'The produced output, in binary, is: {value:#010b}'
'The produce...
iOS - Dismiss keyboard when touching outside of UITextField
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36 Answers
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Django: Why do some model fields clash with each other?
...nternally.
– Kenny
Nov 18 '10 at 22:38
14
For someone just learning the framework, this would not...
Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
...ecksum as your python script:
> echo -n mystringforhash | md5sum
86b6423cb6d211734fc7d81bbc5e11d3 -
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Look up all descendants of a class in Ruby
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PetrosPetros
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Adb Devices can't find my phone [closed]
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37
I have a Samsung Galaxy and I had the same issue as you. Here's how to fix it:
In device manag...
Fixed point vs Floating point number
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edited Apr 18 '19 at 22:33
hiergiltdiestfu
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Visual Studio C# statement collapsing
...g with VS 2010 version:
C# outline
C# outline
2012 (@MSDN)
C# outline
2013 (@MSDN)
C# outline
2015 (@MSDN)
Visual Basic and C# Outliner
The last extension supports only VS 2015 and VS 2017, but it's the most powerful one.
It supports syntax coloring inside collapsed blocks, it is more fault-tole...
Appending the same string to a list of strings in Python
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331
The simplest way to do this is with a list comprehension:
[s + mystring for s in mylist]
No...