jsonify | R package to convert R objects to JSON | JSON Processing library
kandi X-RAY | jsonify Summary
kandi X-RAY | jsonify Summary
Converts between R objects and JSON.
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jsonify Key Features
jsonify Examples and Code Snippets
library(microbenchmark)
library(jsonlite)
n <- 1e6
df <- data.frame(
id = 1:n
, value = sample(letters, size = n, replace = T)
, val2 = rnorm(n = n)
, log = sample(c(T,F), size = n, replace = T)
, stringsAsFactors = FALSE
)
microbe
jsonify::to_json( as.POSIXct("2018-01-01 10:00:00") )
# [1514761200.0]
jsonify::to_json( as.POSIXct("2018-01-01 10:00:00"), numeric_dates = FALSE)
# ["2017-12-31T23:00:00"]
x <- as.POSIXlt("2018-01-01 01:00:00", tz = "GMT")
jsonify::to_json( x
LinkingTo:
Rcpp,
jsonify
// [[Rcpp::depends(jsonify)]]
#include "jsonify/jsonify.hpp"
Rcpp::StringVector my_json( Rcpp::DataFrame df ) {
return jsonify::api::to_json( df );
}
Community Discussions
Trending Discussions on jsonify
QUESTION
I want to call a function in python and print a variable in a div tag in a separate html file, then transfer the content into the div in my index.html
index.html:
...ANSWER
Answered 2021-Jun-15 at 13:31You can use ajax in jquery to easily send and recieve data without page reload and then manipulate the dom using javascript.
rather than creating a seperate file make a div in index where you want to show the result.
include jquery before this
QUESTION
I am getting a bad request response to my request. I have checked with an online JSON validator my dictionary data to be correct, and everything seems fine.
My code is the following:
...ANSWER
Answered 2021-Jun-15 at 11:58You are telling your server, you are sending JSON data, but the request body is not a JSON string but a url-encoded string (because that's the default behaviour of $.ajax()
when you pass an object as data
).
Use JSON.stringify
, to pass a correct JSON body
QUESTION
I have an actions_table
looking like:
ANSWER
Answered 2021-Jun-14 at 19:05Ok so now that we have all informations, you can do it like that:
QUESTION
I am making a board where you can post text, link, photo, and video. I use python flask, JavaScript for this
For video posting part, I wanted users to input YouTube link URL and I set this to automatically change into embed address. My python and ajax code work fine with YouTube URL format but the problem is when user input nothing for the video URL or put random letter or non-YouTube link format to the video link input.
python
...ANSWER
Answered 2021-Jun-10 at 12:55A similar question that helps this question is Regex for youtube URL.
You can use RegExp
s to validate the youtube links before you send the request.
QUESTION
I am having the same issue as this thread: Reflecting tables with Flask-SQLAlchemy raises RuntimeError: application not registered I tried adding:
...ANSWER
Answered 2021-Jun-10 at 08:24The issue is that the app tries to go through the reflection classes without being fully loaded, so sqlalchemy gets an error due to not finding the currently running app and raises RuntimeError. I found that to fix that you need to provide app_context and therefore this fixed my issue.
I changed my app file to:
QUESTION
Hi I'm coding review page with Flask but struggling with creating delete button. According to my code, when delete button is clicked, KeyError appears. There are only two rows in the review table which are Writer and Content. I pasted showing and deleting review API code, also with Server side Delete function.
Is my way alright to delete code by sending title and review from client to server then delete the object in DB which matches title and review which is sent by client? I'm wondering why KeyError is appeared. I beg for your help! Thanks for reading.
...ANSWER
Answered 2021-Jun-10 at 03:01The issue stems from your string interpolation when generating the button.
${title, review}
only injects the value of review
. Since your deleteReview
only receives one argument, the review_give
field in the data of ajax call is left blank, leading to the corresponding missing key in your flask app.
This is how you correctly do your string interpolation:
QUESTION
I am working on Flask app where I need to return list as response, how I can output as key with multiple values.
...ANSWER
Answered 2021-Jun-09 at 19:44Can't you just use map()
?
QUESTION
Hey guys I am trying to run Quart in production.
That is my code: setups.py
...ANSWER
Answered 2021-Jun-09 at 20:47The app
instance on the server
module only exists when you invoke that module as the main module, which Hypercorn does not do. Instead you can invoke the factory function, hypercorn "server:create_app()"
.
You will likely want to move the db.init_app(app)
line to within the create_app
function (which I think you've called get_app_instance
?) as it is also only called if you invoke server as the main module.
I don't think you need __package__ = 'nini'
, which may also cause an issue.
QUESTION
I have an application using Flask and JavaScript. I have a function in JavaScript when the user click the button and the data are send to Flask. This function create a marker on the map and set the data from function in Flask to marker popup. I use form
in popup because I want to get the name form this popup. I want to submit this form from popup and get the name but when I do it print("Name :",nazwa_event)
it return me None. I create a input with hidden tag in html and I set input value to the name from form $('input[id=nameOF]').val(nazwa.value);
. It is possible to do that or I can't submit form from Ajax
?
HTML code:
...ANSWER
Answered 2021-Jun-09 at 09:59I can't test it but as for me you have hidden in wrong place - it has to be inside
form
inside popup
. And you can set value directly in HTML without using jQuery
QUESTION
I'm creating my first Flask project. The first part of the project is obviusly the login part. I made with html tho page for sign up and login. Then I wrote the flask part of the project. The code is the following, divided in the main.py file
...ANSWER
Answered 2021-Jun-08 at 09:25Creating a database at runtime is not preferred. Flask app needs to be connected to a database on start. You may create tables at runtime.
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