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What's the best way to set a single pixel in an HTML5 canvas?
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using getImageData()/putImageData() on the entire canvas; this is about 100× slower than other options.
creating a custom image using a data url and using drawImage() to show it:
var img = new Image;
img.src = "data:image/png;base64," + myPNGEncoder(r,g,b,a);
// Writing the PNGEncoder is left a...
C# Java HashMap equivalent
...java/util/…
– Fabio Maulo
Dec 25 '10 at 18:55
3
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How to check if a query string value is present via JavaScript?
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10 Answers
10
Active
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JRuby on Rails vs. Ruby on Rails, what's difference?
...lower than 1.9
– rogerdpack
May 24 '10 at 21:52
1
To see performance differences in JRuby on Rail...
What is the format specifier for unsigned short int?
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answered Jan 2 '12 at 10:37
cnicutarcnicutar
160k2121 gold badges306306 silver badges343343 bronze badges
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Limits of Nat type in Shapeless
...ponds to the number of nested shapeless.Succ[] types:
scala> Nat(3)
res10: shapeless.Succ[shapeless.Succ[shapeless.Succ[shapeless._0]]] = Succ()
So to represent the number 1000000, you would have a type that is nested 1000000 levels deep, which would definitely blow up the scala compiler. The ...
Adding services after container has been built
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
git - diff of current changes before committing
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
...lbert Le Blanc
41.8k55 gold badges5555 silver badges100100 bronze badges
18
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In SQL, how can you “group by” in ranges?
... case
when score between 0 and 9 then ' 0- 9'
when score between 10 and 19 then '10-19'
else '20-99' end as range
from scores) t
group by t.range
or
select t.range as [score range], count(*) as [number of occurrences]
from (
select user_id,
case when score >= 0 and...