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Fastest way to flatten / un-flatten nested JSON objects

... 13 Answers 13 Active ...
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delete map[key] in go?

... | edited Jul 21 '15 at 6:34 coolaj86 60.2k1414 gold badges8383 silver badges101101 bronze badges answer...
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How to delete items from a dictionary while iterating over it?

... 309 EDIT: This answer will not work for Python3 and will give a RuntimeError. RuntimeError: d...
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Call by name vs call by value in Scala, clarification needed

...5 frhack 3,77111 gold badge2424 silver badges2121 bronze badges answered Nov 12 '12 at 1:40 dhgdhg ...
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Why does javascript map function return undefined?

... | edited Dec 18 '13 at 8:01 answered Apr 16 '13 at 12:28 ...
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Elements order in a “for (… in …)” loop

...d make it clear what happens: var obj = { "first":"first", "2":"2", "34":"34", "1":"1", "second":"second" }; for (var i in obj) { console.log(i); }; // Order listed: // "1" // "2" // "34" // "first" // "second" The technicalities of this are less important than the fact that this may chan...
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Change select box option background color

... tag... select option { margin: 40px; background: rgba(0, 0, 0, 0.3); color: #fff; text-shadow: 0 1px 0 rgba(0, 0, 0, 0.4); } If you want to style each one of the option tags.. use the css attribute selector: select option { margin: 40px; background: rgba(0, 0, 0, 0.3);...
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Convert a python UTC datetime to a local datetime using only python standard library?

... In Python 3.3+: from datetime import datetime, timezone def utc_to_local(utc_dt): return utc_dt.replace(tzinfo=timezone.utc).astimezone(tz=None) In Python 2/3: import calendar from datetime import datetime, timedelta def utc_...
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Convert NSData to String?

... example if data does not represent valid data for encoding). Prior Swift 3.0 String(data: yourData, encoding: NSUTF8StringEncoding) Swift 3.0 Onwards String(data: yourData, encoding: .utf8) See String#init(data:encoding:) Reference ...
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Use rvmrc or ruby-version file to set a project gemset with RVM?

... 372 If your .rvmrc file contains custom shell code, continue using .rvmrc as it allows you to incl...