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How to sort a list/tuple of lists/tuples by the element at a given index?

... @Stephen using itemgetter is faster and simpler: key=itemgetter(1) and at the beginning of the file: from operator import itemgetter – Joschua Mar 13 '13 at 20:08 ...
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How do I check if a string contains a specific word?

... or the boolean false if the needle isn't found. Since 0 is a valid offset and 0 is "falsey", we can't use simpler constructs like !strpos($a, 'are'). Edit: Now with PHP 8 you can do this: if (str_contains('How are you', 'are')) { echo 'true'; } RFC str_contains ...
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Python executable not finding libpython shared library

I am installing Python 2.7 on CentOS 5. I built and installed Python as follows 9 Answers ...
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How to calculate time elapsed in bash script?

I print the start and end time using date +"%T" , which results in something like: 20 Answers ...
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C++ templates that accept only certain types

... class my_template<T*> { ... }; // All other types are invalid, and will cause linker error messages. [Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.] ...
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How to delete a stash created with git stash create?

...From the docs: Create a stash entry (which is a regular commit object) and return its object name, without storing it anywhere in the ref namespace. This is intended to be useful for scripts. It is probably not the command you want to use; see "save" above. Since nothing references the stash c...
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What is the behavior difference between return-path, reply-to and from?

... delivery {C}QUIT {S}221 Service closing transmission channel Where {C} and {S} represent Client and Server commands, respectively. The recipient's mail would look like: Return-Path: coolstuff-you=yourcompany.com@mymailinglist.com From: <coolstuff@mymailinglist.com> To: <you@yourcompa...
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How to parse a CSV file using PHP [duplicate]

... CSV file http://php.net/manual/en/function.fgetcsv.php $row = 1; if (($handle = fopen("test.csv", "r")) !== FALSE) { while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { $num = count($data); echo "<p> $num fields in line $row: <br /></p>\n"; $row++; for ($...
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Difference between Observer, Pub/Sub, and Data Binding

...hat is the difference between the Observer Pattern , Publish/Subscribe , and Data Binding ? 4 Answers ...
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SPA best practices for authentication and session management

..., etc. what do people believe to be some best practices for authentication and session management? I can think of a couple of ways of considering approaching the problem. ...