I have two data frames like the following and am trying to add a new column. I want to add a new column in Data Frame 1 which comes from matching 3 di ...

I'm trying to export images using mayavi scripts But the exported image is blurry. I have read from Mayavi docs and searched from Google about this ...

After mLab addon being discontinued on Heroku, I need to get the database backup from mLab to import it to Atlas. The problem is mLab says that tens o ...

I'm migrating mLab from Heroku to MongoDB Atlas. As one of steps I want to check if there is a connectivity to newly created cluster. I'm used Robo3T ...

I have an error when connecting to the MongoDB Atlas database after I migrated the data from the old MLAB. I have definitely setup the username and p ...

Error: I'm having an error of "Cannot set property 'username' of null." It seems like the error happens when I try to find the currently logged in use ...

I tried to deployed a chatbot which involves the application of MongoDB but I am stuck by this bug all day (figure 1). I cannot what is wrong because ...

I have a big problem, today I tried migrating my mlab MongoDB sandbox into MongoDB Atlas. I'm using Heroku for my Nightscout instance, this is a cloud ...

I have a service I'm hosting on Heroku right now, and I'm using the mLab add-on to ensure that the deployed version is able to write to the database e ...

I have a Heroku free web app which was working nicely with my initial testing, but with a bigger test it just crashed: The logs seem to indicate th ...

I have been researching using a MongoDB DBaaS provider and I would like to use the latest version of MongoDB. V4.2 at the time of writing Some provid ...

We are in the process of updating our API's MongoDB hosting provider from mLab to MongoDB Atlas. I have updated our connection server to PHP 7.4 wit ...

I wanted to set up a way (using GCP) to automatically and frequently download a copy/backup of one MongoDB instance hosted on mlab and use it to resto ...

I have a collection in mLab and need to add a JSON key-value pair. What are some ways to do this for all documents in the collection, without editing ...

I am able to connect to Heroku mLab database via terminal with one and only user with admin rights, but from the terminal I am not able to perform any ...

I am trying to watch for changes in my collection but I am getting the following error: "MongoError: Majority read concern requested, but it is not su ...

I am new to mongoDb, as I am trying to query from different collection and in order to do that, when I am fetching data from category collection I mea ...

I am migrating a database from Mlab to MongoDB Atlas. We had to upgrade the npm version of mongodb to 3.4.1 as the MongoDB atlas database version is 4 ...

I need to transfer data from one collection COLx in a database DB1 in mLab (/Heroku) to a new collection COLx in a new database DB2, in a separate app ...

I have a little problem in a Parse.Cloud.beforeSave function on Parse-Server. This line is puzzling me: It has been working before. But since I mad ...