Questions tagged as 'mean'

Tagged questions
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Collections - mongodb

I have a collection called suspeitosSchema and another call acoesSchema . suspectsSchema: const suspeitosSchema = new mongoose.Schema({ sexo: { type: String }, etnia: { type: String }, cumprimentoCabelo: { type: String...
asked by 01.12.2017 / 19:58
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Route configuration in NodeJS using Express 4.8

I am using v0.10.37 version of Node and 4.8 of Express. I'm trying to setup the route for the index. And the following errors appear    Error: Route.get () requires callback functions but got a [object Undefined] Or:    Error: Can not...
asked by 11.10.2015 / 06:07
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Authentication / Permissions with MEAN Stack

I'm studying MEAN stack, I'm really enjoying it, and I'm developing simple applications, but I could not find something that would really help me understand better about authentication and permissions using MEAN, and what my bank would look like...
asked by 20.02.2016 / 04:21
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Digital Signage System with NodeJS, is it possible?

I have a question about Node JS and what I could do with it. I started to study about MEAN a few days ago and wanted to know if using this technology I could, for example, create a system of Digital Signage , like Xibo...
asked by 13.02.2015 / 03:11
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r - average of one variable in relation to the values of another variable in a data frame within each grouping

This question is after a post by me recently. This is the link if you want to follow # I have a multi-column dataframe. How do I calculate the average of one of the variables based on the values of another variable within a grouping of one of...
asked by 10.08.2018 / 21:03
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r - average of one variable in relation to the values of another variable in a data frame and withdraw values NA

I have a multi-column dataframe. How do I calculate the average of one of the variables based on the values of another variable? I have the frequency of several species found in 4 campaigns and I want to calculate the average of each recorded sp...
asked by 23.07.2018 / 22:33
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Node.js and Express - TypeError: Can not read property

I'm getting the following error in the console: TypeError: Can not read property '_id' of undefined I'm reading the book "Mean Full Stack Javascript ..." from the code house. During the development of the application presented in the book, I...
asked by 30.07.2016 / 06:49
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How to ensure api's rest security

I am creating a system using the MEAN Stack and I had a question .. My angled client application makes a request for api ex: POST link If some malicious user finds the api url he could do a post without going through the client of my app...
asked by 08.11.2016 / 02:29
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Route configuration error on NodeJS with Express [duplicate]

I have a problem when starting NodeJS, similar to this post this link but did not have more feedback from those who asked and the solution presented in the answer did not help me either. The example is from a book, from Code House, and ar...
asked by 11.01.2016 / 20:52
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VPS configuration [closed]

I purchased a VPS on Digital Ocean. The idea is to run a MEAN application. So I opted for the "One click apps" option that they offer and the installation / configuration of my server was automatic. With the environment set up, I uploaded my...
asked by 18.01.2017 / 03:39