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What are Aggregates and PODs and how/why are they special?

... virtual functions (10.3). So, OK, let's parse this definition. First of all, any array is an aggregate. A class can also be an aggregate if… wait! nothing is said about structs or unions, can't they be aggregates? Yes, they can. In C++, the term class refers to all classes, structs, and unions....
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How to port data-only volumes from one host to another?

...Docker documentation on Working with Volumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not. ...
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How to overcome TypeError: unhashable type: 'list'

...used to compare dictionary keys during a dictionary lookup quickly. Internally, hash() method calls __hash__() method of an object which are set by default for any object. Converting a nested list to a set >>> a = [1,2,3,4,[5,6,7],8,9] >>> set(a) Traceback (most recent call last...
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machine learning libraries in C# [closed]

... | edited Jun 1 '18 at 0:01 James Ko 22.8k1818 gold badges7979 silver badges183183 bronze badges answer...
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No Exception while type casting with a null in java

... rocketboyrocketboy 8,75011 gold badge2828 silver badges3636 bronze badges add a comm...
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

...scientific application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable ...
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Python extending with - using super() Python 3 vs Python 2

Originally I wanted to ask this question , but then I found it was already thought of before... 5 Answers ...
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Favicon not showing up in Google Chrome [duplicate]

...rver). Only if the file/icon would be in the downloads directory chrome is allowed to load this data - more information about this can be found here: local (file://) website favicon works in Firefox, not in Chrome or Safari- why? Renaming Try to rename it from favicon.{whatever} to {yourfaviconnam...
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How to clone a Date object?

.... For example using toISOString() on the both dates in Firefox generates "2015-04-21T04:56:42.000Z" and "2015-04-21T04:56:42.337Z". – crudh Apr 21 '15 at 4:57 ...
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Bash script to calculate time elapsed

...ion. – Czechnology Oct 27 '17 at 16:01 @Czechnology yes, if you use sleep 0.5 in above, the result is sometimes 0, som...