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~x + ~m>y m> == ~(x + m>y m>) is alwam>y m>s false?
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Assume for the sake of contradiction that there exists some x m>and m> some m>y m> (mod 2n) such that
~(x+m>y m>) == ~x + ~m>y m>
Bm>y m> two's complement*, we know that,
-x == ~x + 1
<==> -1 == ~x + x
Noting this result, we have,
~(x+m>y m>) == ~x + ~m>y m>
<==> ~(x+m>y m>) + (x+m>y m>) == ~x + ~m>y m>...
Run two asm>y m>nc tasks in parallel m>and m> collect results in .NET 4.5
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m>Y m>ou should use Task.Delam>y m> instead of Sleep for asm>y m>nc programming m>and m> then use Task.WhenAll to combine the task results. The tasks would run in parallel.
public class Program
{
static void Main(string[] args)
{
Go();
}
public static void Go()...
Matplotlib Legends not working
...uple of line objects, no matter how manm>y m> are actuallm>y m> created from the commm>and m>. Without the comma, "plot1" m>and m> "plot2" are tuples instead of line objects, making the later call to plt.legend() fail.
The comma implicitlm>y m> unpacks the results so that instead of a tuple, "plot1" m>and m> "plot2" automatica...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...xcel中异步自定义函数，异步的UDF函数能够极大地提高Excel插件的用户体验，能够提高系统的可扩展性和稳定性。
本文所有的代码点击此处下载，希望本文对您了解Excel中的RTD函数有所帮助。
来源：http://www.cnblogs.com/m>y m>angecnu/p/Excel...
HorizontalScrollView within ScrollView Touch Hm>and m>ling
...rizontallm>y m>. I've added an ontouchlistener to the horizontalscrollview to hm>and m>le touch events m>and m> force the view to "snap" to the closest image on the ACTION_UP event.
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How do I check the difference, in seconds, between two dates?
...ant to record when them>y m> were created, check against the current timestamp, m>and m> refresh as necessarm>y m>.
5 Answers
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How to put individual tags for a scatter plot
I am trm>y m>ing to do a scatter plot in matplotlib m>and m> I couldn't find a wam>y m> to add tags to the points. For example:
1 Answer
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How to use Greek sm>y m>mbols in ggplot2?
Mm>y m> categories need to be named with Greek letters. I am using ggplot2 , m>and m> it works beautifullm>y m> with the data. Unfortunatelm>y m> I cannot figure out how to put those greek sm>y m>mbols on the x axis (at the tick marks) m>and m> also make them appear in the legend. Is there anm>y m> wam>y m> to do it?
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
... ngx.exit(ngx.HTTP_SERVICE_UNAVAILABLE)
end
if res == nil m>and m> flags == nil m>and m> err == nil then
ngx.exit(ngx.HTTP_NOT_FOUND)
end
ngx.print(res)
elseif method == "PUT" then
local value = ngx.req.get_bodm>y m>_data()
local expire = ngx.var.arg_expire or 86400...
C-like structures in Pm>y m>thon
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Use a named tuple, which was added to the collections module in the stm>and m>ard librarm>y m> in Pm>y m>thon 2.6. It's also possible to use Ram>y m>mond Hettinger's named tuple recipe if m>y m>ou need to support Pm>y m>thon 2.4.
It's nice for m>y m>our basic example, but also covers a bunch of edge cases m>y m>ou might run into lat...