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What is a regular expression for a MAC Address?

...ard format" comes from Wikipedia, not the 802.3 standards body. IEEE 802-2014 actually specifies hyphens for ordinary MAC addresses (§ 8.1 ¶ 3) and colons for the obsolescent bit-reversed notation (¶ 4). Importantly, in practice, no one observes this. We simply use one or the other, but never ...
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Pretty-Printing JSON with PHP

... answered Jul 27 '16 at 18:01 Wahib ZakraouiWahib Zakraoui 88966 silver badges33 bronze badges ...
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Repeat each row of data.frame the number of times specified in a column

... answered May 24 '10 at 5:01 neilfwsneilfws 23.4k55 gold badges4242 silver badges5050 bronze badges ...
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How to validate date with format “mm/dd/yyyy” in JavaScript?

...\/(\d{2}|\d{1})\/\d{4}$/ this way it catches one digit month and day 1/5/2014. Thanks for the sample! – Mitch Labrador Apr 28 '14 at 10:48 ...
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How to measure time taken between lines of code in python?

... | edited Jun 1 at 20:01 phoenix 3,20611 gold badge2727 silver badges3131 bronze badges answered Jan...
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Ways to implement data versioning in MongoDB

...override the save() method to make this change at the same time. UPDATE: 2015-10 It looks like there is now a spec for handling JSON diffs. This seems like a more robust way to store the diffs / changes. share | ...
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Accept function as parameter in PHP

...atzombat 84.8k2121 gold badges148148 silver badges160160 bronze badges 9 ...
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Converting unix timestamp string to readable date

I have a string representing a unix timestamp (i.e. "1284101485") in Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError : ...
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How to get POSTed JSON in Flask?

...| edited Sep 27 '19 at 15:01 answered Oct 27 '15 at 22:11 r...
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Open multiple Eclipse workspaces on the Mac

...ifesaver. – iTrout Jan 30 '13 at 19:01 2 This is the better answer IMHO because Eclipse still sta...