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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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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...
How can I get last characters of a string
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18 Answers
18
Active
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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...
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 do I flush the PRINT buffer in TSQL?
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312
Use the RAISERROR function:
RAISERROR( 'This message will show up right away...',0,1) WITH NOW...
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
17
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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...
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 : [ {
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