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Getting the last element of a list

... some_list[-1] is the shortest and most Pythonic. In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way...
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Store print_r result into a variable as a string or text

If I use print_ r or var_dump it displays the result on the screen, but I want this data to be stored in a variable so that I can write it to a file. ...
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.bashrc/.profile is not loaded on new tmux session (or window) — why?

When tmux starts or opens a new window, it does not load my .profile or .bashrc . I end up typing . ~/.bashrc every time. Is there a way to make this happen automatically? ...
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Regex expressions in Java, \\s vs. \\s+

... first one matches a single whitespace, whereas the second one matches one or many whitespaces. They're the so-called regular expression quantifiers, and they perform matches like this (taken from the documentation): Greedy quantifiers X? X, once or not at all X* X, zero or more times X+ X, one ...
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“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate

...get this exception "THE UNDERLYING CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" in my logs and it is breaking our OEM integration with our email marketing system at random times varying from [1hour - 4 hours] ...
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Should I return EXIT_SUCCESS or 0 from main()?

...g conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ? 8 Answers ...
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TypeScript or JavaScript type casting

How does one handle type casting in TypeScript or Javascript? 3 Answers 3 ...
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How to validate a url in Python? (Malformed or not)

... django url validation regex (source): import re regex = re.compile( r'^(?:http|ftp)s?://' # http:// or https:// r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain... r'localhost|' #localhost... ...
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Difference between decimal, float and double in .NET?

... float and double are floating binary point types. In other words, they represent a number like this: 10001.10010110011 The binary number and the location of the binary point are both encoded within the value. decimal is a floating decimal point type. In other words, they represent...
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How can I add a custom HTTP header to ajax request with js or jQuery?

Does anyone know how to add or create a custom HTTP header using JavaScript or jQuery? 9 Answers ...