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Shards and replicas in Elasticsearch

...e need to create an index. When you create an index (an index is automatically created when you index the first document as well) you can define how many shards it will be composed of. If you don't specify a number it will have the default number of shards: 5 primaries. What does it mean? It mean...
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How to use permission_required decorators on django class-based views

...ing how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there ...
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Removing all non-numeric characters from string in Python

How do we remove all non-numeric characters from a string in Python? 7 Answers 7 ...
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Unioning two tables with different number of columns

... I realized that this solution also works without having to list all the columns. So instead of Select Col1, Col2, Col3, Null as Col4, Null as Col5 from Table2, one can also do, Select *, Null as Col4, Null as Col5 from Table2. – Pratik Patel Sep 20 '...
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Will using 'var' affect performance?

...ay have chosen an Interface or parent type if you were to set the type manually. Update 8 Years Later I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used a...
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How to use phpexcel to read data and insert into database?

...el_Cell::columnIndexFromString($sheet->getHighestColumn()); I am not infallible ` – Mark Baker Jun 16 '13 at 21:48 ...
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Fitting empirical distribution to theoretical ones with Scipy (Python)?

...error is determined. The distribution with the least error is returned. All Distributions Best Fit Distribution Example Code %matplotlib inline import warnings import numpy as np import pandas as pd import scipy.stats as st import statsmodels as sm import matplotlib import matplotlib.pypl...
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How to make URL/Phone-clickable UILabel?

...TextView.editable = NO; yourTextView.dataDetectorTypes = UIDataDetectorTypeAll; Swift: yourTextView.editable = false; yourTextView.dataDetectorTypes = UIDataDetectorTypes.All; This will detect links automatically. See the documentation for details. ...
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How to find list intersection?

... looking for a slightly different animal - and you may need to do that manually by sorting each list and merging the results - and keeping dups in the merging. – javadba Jan 6 '19 at 18:51 ...
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How to initialize a private static const map in C++?

... int>’ as ‘this’ argument of ‘std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int>...