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Why do we use arrays instead of other data structures?
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When searching a binary tree for the va...
What is null in Java?
...ance of anything?
No, there is no type which null is an instanceof.
15.20.2 Type Comparison Operator instanceof
RelationalExpression:
RelationalExpression instanceof ReferenceType
At run time, the result of the instanceof operator is true if the value of the RelationalExpression is n...
How to make an ng-click event conditional?
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206
It is not good to manipulate with DOM (including checking of attributes) in any place except d...
What's the difference between “Solutions Architect” and “Applications Architect”? [closed]
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Update 1/5/2018 - over the last 9 years, my thinking has evolved considerably on this topic. I tend to live a little closer to the bleeding edge in our industry than the majority (though certainly not pushing the boundaries nearly as mu...
Android: Background Image Size (in Pixel) which Support All Devices
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The following are the best dimensions for the app to run in all devices. For understanding mul...
How to use hex color values
...er alpha
– Sulthan
Apr 25 '15 at 13:20
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Same solution, Swift 1.2 compatible, with alpha support:...
Python integer division yields float
...float, not /.
– thang
Sep 11 '17 at 20:22
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The second part (after the "Also") makes sense (simil...
How can you get the SSH return code using Paramiko?
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edited Aug 20 at 5:36
Martin Prikryl
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How do you get the magnitude of a vector in Numpy?
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The function you're after is numpy.linalg.norm. (I reckon it should be in base numpy as a prope...
Regex Named Groups in Java
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(Update: August 2011)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex na...