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Extract first item of each sublist

...t2[0] lst2 = [['a', 1, 'x']] lst2[0] = ['a', 1, 'x'] Please let me know if I am incorrect. share | improve this answer | follow | ...
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IntelliJ does not show project folders

...new project, IDEA is constantly "this file isn't part of the project...". Now it all makes sense. – Jared Kipe Oct 10 '15 at 18:38 ...
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How to get time difference in minutes in PHP

... older versions of PHP. Use the DateTime class to do any date calculations now that PHP 5.3 is the norm. Eg. $start_date = new DateTime('2007-09-01 04:10:58'); $since_start = $start_date->diff(new DateTime('2012-09-11 10:25:00')); echo $since_start->days.' days total<br>'; echo $since_s...
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ggplot: How to increase spacing between faceted plots?

... Due to another update, the incantation is now theme(panel.margin = unit(2, "lines")) – David J. Harris Nov 8 '16 at 16:49 14 ...
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Is there any particular difference between intval and casting to int - `(int) X`?

...e this is an old thread, and if you are still programming, then I hope you now see why this is actually the most obvious result. An int has no base because base is only used in string representations. Or more simply, an int of 12 in base 10 is the same as an int of 12 in base 99. It is still 12. ...
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Where is HttpContent.ReadAsAsync?

....Formatting NuGet package page, the System.Net.Http.Formatting package is now legacy and can instead be found in the Microsoft.AspNet.WebApi.Client package available on NuGet here. share | improve ...
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Getting Chrome to accept self-signed localhost certificate

... I don't know why this answer has been voted but there is a difference between Invalid certificate and self-signed certificate. The question is about self signed cert. – Mehdi Aug 24 '18 at 13:37 ...
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How to impose maxlength on textArea in HTML using JavaScript

... I know you want to avoid jQuery, but as the solution requires JavaScript, this solution (using jQuery 1.4) is the most consise and robust. Inspired by, but an improvement over Dana Woodman's answer: Changes from that answer a...
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Javascript swap array elements

...r belts: Given the array arr = [1,2,3,4], you can swap values in one line now like so: [arr[0], arr[1]] = [arr[1], arr[0]]; This would produce the array [2,1,3,4]. This is destructuring assignment. share | ...
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Locking a file in Python

...ired.") with open("myfile.txt"): # work with the file as it is now locked share | improve this answer | follow | ...