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What is the most efficient/elegant way to parse a flat table into a tree?

...e Table has many. – Bill Karwin May 13 '14 at 15:21 1 @BillKarwin One more thing, are Closure Tab...
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How to validate an email address in PHP

... answered Aug 19 '12 at 13:32 PeeHaaPeeHaa 64.6k5050 gold badges181181 silver badges252252 bronze badges ...
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Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'

...ggling to sort it. – robintw Mar 2 '13 at 13:45 @robintw yes I did. I posted a recipe at that moment (And I found it!)...
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Combine two data frames by rows (rbind) when they have different sets of columns

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How do you remove duplicates from a list whilst preserving order?

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How to list the size of each file and directory and sort by descending size in Bash?

... | edited Jul 3 '14 at 5:13 Community♦ 111 silver badge answered Feb 7 '13 at 10:54 ...
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C++: What is the size of an object of an empty class?

... 130 Quoting Bjarne Stroustrup's C++ Style and Technique FAQ, the reason the size is non-zero is "T...
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What does the ^ operator do in Java?

... | edited Mar 6 '13 at 1:47 Pang 8,1981717 gold badges7373 silver badges111111 bronze badges an...
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Unexpected value from nativeGetEnabledTags: 0

...pposed to be fixed) – MattD Apr 18 '13 at 20:05 I'm still learning regular expressions, and I'm a bit confused by this...
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Fastest way to flatten / un-flatten nested JSON objects

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