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What are the differences between NP, NP-Complete and NP-Hard?
...ANDs) of 3-clause disjunctions (ORs), statements of the form
(x_v11 OR x_v21 OR x_v31) AND
(x_v12 OR x_v22 OR x_v32) AND
... AND
(x_v1n OR x_v2n OR x_v3n)
where each x_vij is a boolean variable or the negation of a variable from a finite predefined list (x_1, x_2, ... x_n...
Django, creating a custom 500/404 error page
...entical) -- posted question on this here: stackoverflow.com/questions/26043211/…
– Gravity Grave
Sep 25 '14 at 16:13
1
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Delete an element from a dictionary
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answered Apr 30 '11 at 21:25
Greg HewgillGreg Hewgill
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How do I convert a String object into a Hash object?
... eval.
– Michael_Zhang
Sep 4 '18 at 21:57
4
you should also replace nils, f.e. JSON.parse(hash_as...
MySql server startup error 'The server quit without updating PID file '
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TombartTombart
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Django Model - Case-insensitive Query / Filtering
...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...
error LNK2019: 无法解析的外部符号_socket，该符号在函数 中被引用 - c++1...
1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@4，该符号在函数 _main 中被引用
1>NetClient.obj : error LNK2019: 无法解析的外部符号 _inet_ntoa@4，该符号在函数 _main 中被引用
1>NetClient.obj : error LNK2019: 无法解析的外部符...
Retrieve only the queried element in an object array in MongoDB collection
...aggregate.
– JohnnyHK
Jan 10 '16 at 21:14
this query only return the array "shapes" and it won't return other fields. ...
How to send multiple data fields via Ajax? [closed]
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edited Jan 16 '18 at 21:34
TylerH
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Sort hash by key, return hash in Ruby
...:to_h).
– J.M. Janzen
Aug 19 '19 at 21:11
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