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How to define object in array in Mongoose schema correctly with 2d geo index
...riteria goes here'},
{
$push : {
trk : {
"lat": 50.3293714,
"lng": 6.9389939
} //inserted data is the object to be inserted
}
});
or you can set the Array of object by
db.update ({'seraching criteria goes here ' },
{
$set : {
trk : [ {
...
How to change identity column values programmatically?
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13 Answers
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How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
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10 Answers
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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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155
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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129
Yes, the intention of the manual is indeed to guarantee that sorted is stable and indeed that ...
How to compare binary files to check if they are the same?
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14 Answers
14
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Why doesn't ruby support method overloading?
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167
Method overloading can be achieved by declaring two methods with the same name and different s...