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Efficient evaluation of a function at every cell of a NumPy array

...t be faster than the "manual" double loop iteration and assignment through all the array elements. Especially, because it stores the result to a newly created variable (and not directly to the initial input). Thanks a lot for your reply though:) – Peter Oct 9 '...
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send/post xml file using curl command line

... the data pieces specified will be merged together with a separating &-symbol. Thus, using '-d name=daniel -d skill=lousy' would generate a post chunk that looks like 'name=daniel&skill=lousy'. If you start the data with the letter @, the rest should be a file name to read ...
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Why do some scripts omit the closing PHP tag, '?>'? [duplicate]

... From PHP: Instruction Separation The closing tag of a PHP block at the end of a file is optional, and in some cases omitting it is helpful when using include() or require(), so unwanted whitespace will not occur at the end of ...
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What does yield mean in PHP?

...reach (xrange(1, 10) as $key => $value) { echo "$key => $value", PHP_EOL; } This would create the following output: 0 => 1 1 => 2 … 9 => 10 You can also control the $key in the foreach by using yield $someKey => $someValue; In the generator function, $someKey is whate...
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]

... I prefer using the dateutil library for timezone handling and generally solid date parsing. If you were to get an ISO 8601 string like: 2010-05-08T23:41:54.000Z you'd have a fun time parsing that with strptime, especially if you didn't know up front whether or not the timezone was included. ...
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What is 'Currying'?

...s into a series of functions that each take only one argument. Here's an example in JavaScript: function add (a, b) { return a + b; } add(3, 4); // returns 7 This is a function that takes two arguments, a and b, and returns their sum. We will now curry this function: function add (a) { re...
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Access-Control-Allow-Origin Multiple Origin Domains?

... Another solution I'm using in PHP: $http_origin = $_SERVER['HTTP_ORIGIN']; if ($http_origin == "http://www.domain1.com" || $http_origin == "http://www.domain2.com" || $http_origin == "http://www.domain3.com") { header("Access-Control-Allow-Origin:...
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Breaking out of a nested loop

..... This syntax would be incompatible with the goto labels available in C#. PHP uses something else: break 3; Put the number of levels after the break statement. – ygoe Jun 27 '14 at 8:33 ...
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os.walk without digging into directories below

... Does this function actually "walk" through the whole structure and then delete the entries below a certain point? Or is something more clever going on? I'm not even sure how to check this with code. --python beginner – mathtic...
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List comprehension: Returning two (or more) items for each item

Is it possible to return 2 (or more) items for each item in a list comprehension? 6 Answers ...