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I want to convert bin UID to String in Mongo DB, I am executing the below command on mongo console but I am getting the exception for the same, so please advise
db.test.findOne(){ "_id" : BinData(2,"AAATEREETEGAAAAGJIGAAA=="), "x" : 1 }
[2021-12-19 14:20:19] SyntaxError: Missing semicolon. (1:17)
[2021-12-19 14:20:19] > 1 | db.test.findOne(){ "_id" : BinData(3,"AAATEREETEGAAAAGJIGAAA=="), "x" : 1 }
[2021-12-19 14:20:19] | ^
[2021-12-19 14:20:19] at Parser._raise (all-standalone.js:734:17451)
and if I change the query to this below then I am getting null and not the value
db.test.findOne({ "_id" : BinData(3,"AAATEREETEGAAAAGJIGAAA=="), "x" : 1 })
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this is the class for creating category cards
and this is where am i trying to pass AssetImage parameter but shows error
Can someone tell me how to pass image address as argument if possible
Hello using your reference https://i.stack.imgur.com/DHQZm.png
I suggest in line number 91 instead of passing AssetImage pass the argument in a String type which contains the path of your image file
Example :
CategoryCard(
image : "image_path",
"title" : "Free",
"press" : (){},
"key" : null
)
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I'm new to Postgres and everything databases. I'm learning through a Pluralsight course and have finally managed to import a database. Following along with what the teacher is typing out, I query:
SELECT fl_date,
mkt_carrier AS airline
mkt_carrier_fl_num AS flight
origin,
dest
FROM performance
WHERE origin = 'ORD'
.. from a database that came with the course files, and get back this:
ERROR: syntax error at or near "mkt_carrier_fl_num"
LINE 3: mkt_carrier_fl_num AS flight
^
SQL state: 42601
Character: 45
I've googled the error code but apparently this can entail many different things. I have no idea where to go from here. Literally every function in this program is a mystery to me.
Please help.
SELECT fl_date
,mkt_carrier AS airline -- comma before the start of the column name
,mkt_carrier_fl_num AS flight
,origin
,dest
FROM performance
WHERE origin = 'ORD';
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For example I have
[
["A",1]
["B",5]
["C",3]
]
How do i sort it so that it returns in Highest to lowest value B, C, A
You can do in following way:
a.sort {
return $0.last as! Int > $1.last as! Int
}
Don't forget to add additional checks while using this code, case where the last item is not an integer or there is an array not in the expected format. Otherwise, it will lead to a crash.
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Good evening community,
I got an problem while inserting a document in my mongoDB.
I am using the mongoshell 3.6.x
I try following:
db.collection.insert({
_id: 0000,
spot:"Gufi-See,
contact:{
street: "Haldenweg 10",
zipcode:"89423",
city:"Gundelfingen a.d. Donau",
homepage:"www.wasserski-gundelfingen.de",
phone:"09073/920690"
},
location:[
longitude:10.328760,
latitude:48.520839
]
})
Following error is thrown:
E QUERY [thread1] SyntaxError: missing } after property list #(shell):1:47
My problem is that i can't find the problem of the missing } ... Maybe One can help me out?! Thanks a lot.
Spot's name should have closed quotes like this: spot:"Gufi-See" and you can't store location in such way. You should change it to an object. Try:
db.collection.insert({
_id: 0000,
spot:"Gufi-See",
contact:{
street: "Haldenweg 10",
zipcode:"89423",
city:"Gundelfingen a.d. Donau",
homepage:"www.wasserski-gundelfingen.de",
phone:"09073/920690"
},
location:{
longitude: 10.328760,
latitude:48.520839
}
})
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var nsarray:[NSMutableDictionary] = [["object":["uid":["age":"26","gender":"male"]]]]
print(nsarray[0]["object"])
That is how it looks. I want to get the value "uid", so when it prints it is just "uid". Currently it is printing:
"uid":["age":"26","gender":"male"]
I want to get the "uid" value. Meaning when it prints it is just "uid". "uid" is a placeholder for a unique ID so I won't know what the uid is.
It looks like "object" key contains another dictionary, which has exactly one element. To get the first key, call allKeys to get keys, convert them to Array, and pick the the initial element:
let d = nsarray[0]["object"] as! NSDictionary
print(Array(d.allKeys)[0])