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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...
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 : [ {
...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
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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...
get list of pandas dataframe columns based on data type
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How can I get last characters of a string
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Can I replace groups in Java regex?
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126
Use $n (where n is a digit) to refer to captured subsequences in replaceFirst(...). I'm assumi...
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 ...
How to get 0-padded binary representation of an integer in java?
for example, for 1, 2, 128, 256 the output can be (16 digits):
17 Answers
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