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HTML5 Canvas Resize (Downscale) Image High Quality?

... +100 Since your problem is to downscale your image, there is no point in talking about interpolation -which is about creating pixel-. The ...
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Django Server Error: port is already in use

... A more simple solution just type sudo fuser -k 8000/tcp. This should kill all the processes associated with port 8000. EDIT: For osx users you can use sudo lsof -t -i tcp:8000 | xargs kill -9 sha...
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Determine font color based on background color

... 20 Answers 20 Active ...
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pytest: assert almost equal

... I noticed that this question specifically asked about py.test. py.test 3.0 includes an approx() function (well, really class) that is very useful for this purpose. import pytest assert 2.2 == pytest.approx(2.3) # fails, default is ± 2.3e-06 assert 2.2 == pytest.approx(2.3, 0.1) # passes # also...
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Looping in a spiral

... Here's my solution (in Python): def spiral(X, Y): x = y = 0 dx = 0 dy = -1 for i in range(max(X, Y)**2): if (-X/2 < x <= X/2) and (-Y/2 < y <= Y/2): print (x, y) # DO STUFF... if x == y or (x < 0 and x == -y) or (x &...
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App Inventor 2 数学代码块 · App Inventor 2 中文网

...代码块 基础数字块 ( 0 ) 进制数字块 ( 0 ) 等于 ( = ) 不等于 ( ≠ ) 大于 ( > ) 大于等于 ( ≥ ) 小于 ( < ) 小于等于 ( ≤ ) 加 ( + ) 减 ( - ) 乘 ( * ) 除 ( / ) 幂运算 ( ^ ) 随机整数 (rando...
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Differences between Oracle JDK and OpenJDK

... | edited Oct 14 '18 at 3:08 Willi Mentzel 18.6k1212 gold badges7979 silver badges9393 bronze badges ans...
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What is the JavaScript >>> operator and how do you use it?

...doing a bitwise operation with no actual effect, like a rightward-shift of 0 bits &gt;&gt;0, is a quick way to round a number and ensure it is in the 32-bit int range. Additionally, the triple &gt;&gt;&gt; operator, after doing its unsigned operation, converts the results of its calculation to Numbe...
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What is the maximum length of latitude and longitude? [closed]

... If latitude coordinate is reported as -6.3572375290155 or -63.572375290155 in decimal degrees then you could round-off and store up to 6 decimal places for 10 cm (or 0.1 meter) precision. Overview The valid range of latitude in degrees is -90 and +90 for the southern and nor...
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When should I use Lazy?

I found this article about Lazy : Laziness in C# 4.0 – Lazy 7 Answers 7 ...