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How do I calculate square root in Python?

... follow | edited Aug 17 '18 at 2:59 Merlin 17.3k3131 gold badges100100 silver badges181181 bronze badges ...
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How to “EXPIRE” the “HSET” child key in redis?

... follow | edited Oct 3 '18 at 9:10 Erik Rothoff 3,88644 gold badges3838 silver badges5454 bronze badges ...
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Pandas - How to flatten a hierarchical index in columns

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What optimizations can GHC be expected to perform reliably?

...and type variables. The source here has a load of notes in it. Float out EDIT: I apparently misunderstood this before. My explanation has completely changed. The basic idea of this is to move computations that shouldn't be repeated out of functions. For example, suppose we had this: \x -> let...
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术

...要动用C++的编译器g++才能编程通过。 hello1.c #define _________ } #define ________ putchar #define _______ main #define _(a) ________(a); #define ______ _______(){ #define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C) #define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F) #define ____ _...
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“Too many values to unpack” Exception

...dedDate+'","usersList" : "'+ usersList + '," status" : "'+str(vStatus)+'","edit"'+edit+'"}'; although all the values are string, it gives me error, I run it on python prompt it is running, but while taking response from web it gives me this exception. can you please suggest whats going wrong. ...
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Automatic vertical scroll bar in WPF TextBlock?

...n the original question. If you want to show scroll bars in a TextBox (an editable text element) then use the ScrollViewer attached properties: <TextBox ScrollViewer.HorizontalScrollBarVisibility="Disabled" ScrollViewer.VerticalScrollBarVisibility="Auto" /> Valid values for these ...
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Django DB Settings 'Improperly Configured' Error

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Creating a blocking Queue in .NET?

...lseAll(queue); } return item; } } } (edit) In reality, you'd want a way to close the queue so that readers start exiting cleanly - perhaps something like a bool flag - if set, an empty queue just returns (rather than blocking): bool closing; public void Close(...
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Python __str__ versus __unicode__

Is there a python convention for when you should implement __str__() versus __unicode__() . I've seen classes override __unicode__() more frequently than __str__() but it doesn't appear to be consistent. Are there specific rules when it is better to implement one versus the other? Is it ne...