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Why does comparing strings using either '==' or 'is' sometimes produce a different result?

... 11 @Крайст: there is only a single None value. So it always has the same id. – SilentGhost Oct 29...
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\d is less efficient than [0-9]

...s Wikipedia article, the Unicode Consortium has stated that the limit of 1,114,112 code points (0 to 0x010FFFF) will never be changed. It links to unicode.org, but I didn't find the statement there (I probably just missed it). – Keith Thompson May 20 '13 at 2:5...
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Squash my last X commits together using Git

... answered Mar 4 '11 at 4:18 AnomieAnomie 83.2k1313 gold badges120120 silver badges142142 bronze badges ...
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Is it not possible to stringify an Error using JSON.stringify?

... Lonowski 108k3131 gold badges188188 silver badges191191 bronze badges 3 ...
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Can't use Swift classes inside Objective-C

...problem!! – skywinder May 29 '15 at 11:31 12 ...
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Convert XLS to CSV on command line

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Is Dvorak typing appropriate for programming? [closed]

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Tree data structure in C#

... Aaron GageAaron Gage 2,16511 gold badge1515 silver badges1414 bronze badges ...
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decorators in the python standard lib (@deprecated specifically)

... CrackerJack9 3,57111 gold badge2323 silver badges4646 bronze badges answered May 16 '18 at 17:49 StevoisiakStevoisiak ...
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]

... answered Jul 27 '11 at 7:29 BozhoBozho 539k129129 gold badges10061006 silver badges11101110 bronze badges ...