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How do I query using fields inside the new PostgreSQL JSON datatype?

...pg 9.3. @Will posted a link to a blog demonstrating the new operators in a comments below. The answer to the original question in Postgres 9.3: SELECT * FROM json_array_elements( '[{"name": "Toby", "occupation": "Software Engineer"}, {"name": "Zaphod", "occupation": "Galactic President"} ...
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PHP function to generate v4 UUID

...at generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID should be in the form of: ...
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How to extract text from a string using sed?

... That's why, isn't it? Replace whatever comes before and after the match with norhing, then print the whole line. – tripleee Jul 19 '12 at 21:01 ...
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NSLog an object's memory address in overridden description method

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C++ unordered_map using a custom class type as the key

...of doing this is to specialize the std::hash template for your key-type. A comparison function for equality; this is required because the hash cannot rely on the fact that the hash function will always provide a unique hash value for every distinct key (i.e., it needs to be able to deal with collisi...
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MySQL DISTINCT on a GROUP_CONCAT()

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How to require a fork with composer

here is my composer.json, i want to use Nodge's fork of lessphp project on Github 7 Answers ...
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Avoiding an ambiguous match exception

... on a type via reflection because I do not know the type of the object at compile-time (I do know, however, it has a Parse method, taking a string). ...
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Concatenating string and integer in python

...d in Python 3.0, and backported to Python 2.6 and later (see stackoverflow.com/a/792745/4648642) – MechtEngineer Apr 18 '18 at 2:37 ...
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In Vim, how do you search for a word boundary character, like the \b in regexp?

... I'm assuming you mean Perl Compatible Regular Expressions. Vim's regex syntax predates PCRE. I added links to related questions. – Adam Monsen May 12 '17 at 4:04 ...