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Bogus foreign key constraint fail
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101
Two possibilities:
There is a table within another schema ("database" in mysql terminology) ...
What is the maximum number of characters that nvarchar(MAX) will hold?
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Max. capacity is 2 gigabytes of space - so you're looking at just over 1 billion 2-byte charac...
Explanation of JSONB introduced by PostgreSQL
...ed in its spec).
F.ex. these are valid JSON representations: null, true, [1,false,"string",{"foo":"bar"}], {"foo":"bar","baz":[null]} - hstore is just a little subset compared to what JSON is capable (but if you only need this subset, it's fine).
The only difference between json & jsonb is the...
Is python's sorted() function guaranteed to be stable?
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Yes, the intention of the manual is indeed to guarantee that sorted is stable and indeed that ...
Why doesn't ruby support method overloading?
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Method overloading can be achieved by declaring two methods with the same name and different s...
How to compare binary files to check if they are the same?
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14 Answers
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Circle line-segment collision detection algorithm?
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// either solution may be on or off the ray so need to test both
// t1 is always the smaller value, because BOTH discriminant and
// a are nonnegative.
float t1 = (-b - discriminant)/(2*a);
float t2 = (-b + discriminant)/(2*a);
// 3x HIT cases:
// -o-> --|--&...
Branch from a previous commit using Git
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19 Answers
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
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18 Answers
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