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App Inventor 2 TaifunImage 拓展，图像高级处理功能，剪裁，压缩，翻转等 ...
...(右侧)要小。
目前尚不清楚为什么会这样，实际上在图像组件中应该显示相同的大小...
使用Image Metadata Extension获取当前图像大小、宽度和高度的更多代码块
示例用法：创建图像块
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Convert a String representation of a Dictionary to a dictionary?
How can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...efaultTimespan) and public Foo(Timespan ts)
– johan mårtensson
Nov 3 '17 at 11:39
add a comm...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...omial (x-a1)...(x-ak) the coefficients will be exactly c1, ..., ck - see Viète's formulas. Since every polynomial factors uniquely (ring of polynomials is an Euclidean domain), this means ai are uniquely determined, up to permutation.
This ends a proof that remembering powers is enough to recover ...
Why does !{}[true] evaluate to true in JavaScript?
... answered Oct 31 '13 at 9:43
Frédéric HamidiFrédéric Hamidi
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Last segment of URL in jquery
... answered Jan 21 '11 at 11:18
Frédéric HamidiFrédéric Hamidi
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How do I get the n-th level parent of an element in jQuery?
... answered Aug 17 '11 at 13:37
Frédéric HamidiFrédéric Hamidi
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Can HTML checkboxes be set to readonly?
...data posted, your example does not do that.
– David Mårtensson
Feb 8 '12 at 16:59
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“The page you are requesting cannot be served because of the extension configuration.” error message
I'm getting this error message when trying to run my application. I don't know how to fix it:
19 Answers
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How to check for DLL dependency?
Sometimes when I'm doing a little project I'm not careful enough and accidentally add a dependency for a DLL that I am not aware of. When I ship this program to a friend or other people, "it doesn't work" because "some DLL" is missing. This is of course because the program can find the DLL on my sy...