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Difference between del, remove and pop on lists

... Remember guys... anything index based is one shot O(n-1)... if you have to do a lookup (by value), it will traverse the collection until the element is found. – Pepito Fernandez Oct 14 '17 at 14:13 ...
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Why Qt is misusing model/view terminology?

...t's naming is misleading. In my opinion however, the problem is not Qt's alone, but is shared by all frameworks that allow us to adhere to the principle of separation of concerns when implementing our UIs. When someone comes up with such a framework, and finds a good way to keep "things" separated, ...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame. ...
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Creating a constant Dictionary in C#

...constant dictionary in C# is not really a straightforward task. Actually, none of the answers here really achieve that. There is one solution though which meets your requirements, although not necessarily a nice one; remember that according to the C# specification, switch-case tables are compiled t...
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How do you connect to multiple MySQL databases on a single webpage?

...spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage. ...
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Why use pointers? [closed]

...d printf to print the content of the memory address pointed to by 'a' plus one (in this example above), and we wouldn't have had to put the * in front: printf("Second char is: %s", (a+1)); /* WRONG */ But this would not have just printed the second character, but instead all characters in the nex...
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Why should I learn Lisp? [closed]

... One of the main uses for Lisp is in Artificial Intelligence. A friend of mine at college took a graduate AI course and for his main project he wrote a "Lights Out" solver in Lisp. Multiple versions of his program utilized sl...
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Why should I prefer to use member initialization lists?

... Apart from the performance reasons mentioned above, if your class stores references to objects passed as constructor parameters or your class has const variables then you don't have any choice except using initializer lists. ...
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Average of 3 long integers

.../ 3 Note that the above sample does not always work properly when having one or more negative values. As discussed with Ulugbek, since the number of comments are exploding below, here is the current BEST solution for both positive and negative values. Thanks to answers and comments of Ulugbek Um...
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Is it possible to run one logrotate check manually?

Is it possible to run one iteration of logrotate manually without scheduling it on some interval? 8 Answers ...