The output that you get after DF.to_json is a string. So, you can simply slice it according to your requirement and remove the commas from it too. out = df.to_json(orient=”records”)[1:-1].replace(‘},{‘, ‘} {‘) To write the output to a text file, you could do: with open(‘file_name.txt’, ‘w’) as f: f.write(out)
In Swift 4, you can inherit from the Codable type. struct Dog: Codable { var name: String var owner: String } // Encode let dog = Dog(name: “Rex”, owner: “Etgar”) let jsonEncoder = JSONEncoder() let jsonData = try jsonEncoder.encode(dog) let json = String(data: jsonData, encoding: String.Encoding.utf16) // Decode let jsonDecoder = JSONDecoder() let secondDog = … Read more
I was able to fix the error using the following query: mongoimport –db dbName –collection collectionName –file fileName.json –jsonArray Hopefully this is helpful to someone.
jq has the fromjson builtin for this: jq ‘.c | fromjson | .id’ myFile.json fromjson was added in version 1.4.
URL-encode (https://en.wikipedia.org/wiki/Percent-encoding) your JSON text and put it into a single query string parameter. for example, if you want to pass {“val”: 1}: mysite.com/path?json=%7B%22val%22%3A%201%7D Note that if your JSON gets too long then you will run into a URL length limitation problem. In which case I would use POST with a body (yes, I know, … Read more
Use a temporary file; it’s what any program that claims to do in-place editing is doing. tmp=$(mktemp) jq ‘.address = “abcde”‘ test.json > “$tmp” && mv “$tmp” test.json If the address isn’t hard-coded, pass the correct address via a jq argument: address=abcde jq –arg a “$address” ‘.address = $a’ test.json > “$tmp” && mv “$tmp” … Read more
Earlier versions of Express used to have a lot of middleware bundled with it. bodyParser was one of the middleware that came with it. When Express 4.0 was released they decided to remove the bundled middleware from Express and make them separate packages instead. The syntax then changed from app.use(express.json()) to app.use(bodyParser.json()) after installing the … Read more
TL;DR SELECT json_agg(t) FROM t for a JSON array of objects, and SELECT json_build_object( ‘a’, json_agg(t.a), ‘b’, json_agg(t.b) ) FROM t for a JSON object of arrays. List of objects This section describes how to generate a JSON array of objects, with each row being converted to a single object. The result looks like this: … Read more
You don’t need to pass the quotes enclosing the custom headers to curl. Also, your variables in the middle of the data argument should be quoted. First, write a function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read … Read more