Posts by Catarina • 67 points
9 posts
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viewsQ: Read values from a bluetooth, in a React application
I have an app in React and I have a Bluetooth connected to an Adian. When I send a value to bluetooth, I’d like to read it in my React app, but I can’t find how to do it.
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answer96
viewsQ: I can’t read the value that comes from Iraq to Cordova
Good morning, I have an application in Cordova. I want to connect it to the Arduino through bluetooth. I can’t get the value that comes from Iraq var macAddress = "00:06:66:4D:00:00"; var app = {…
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answers631
viewsQ: Error 404 - Not Found
Good afternoon, I am doing a project where I have installed php7, mysql, apache2 in a virtualbox with ubuntu16.04. I’m working locally and I’ve installed the 5.3 Laravel. I have an api already made…
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answers153
viewsA: Queries with various ruby associations on Rails
I’ve done enough just doing: Isolated.joins(:drugs, genes: :mutations ).all Now my problem and not show me everything of all tables, it is with only two columns, can anyone explain to me why? I…
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answers153
viewsQ: Queries with various ruby associations on Rails
I want to do in ruby on Rails, this: SELECT * FROM isolateds INNER JOIN genes ON geness.isolated_id = isolateds.id INNER JOIN stats ON stats.gene_id = genes.id INNER JOIN mutations ON…
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answer50
viewsQ: Duplicate a ruby membership on Rails
I’m having a doubt. I send the table I already made, but I have a problem in the case of "Isolate's name" "catx" have two "gene's name" associado, "catxx" e o "catxxx", but I’m putting the two in…
ruby-on-railsasked Catarina 67 -
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answer1125
viewsQ: 'Web application could not be Started', Why?
I am passing my project to the server. I am using Nginx. And it is all installed now, because when I go to my initial address it shows me: Welcome to nginx! If you see this page, the nginx web…
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answer100
viewsQ: Fails when I make Bundle install
Good afternoon, I have a little problem when I do bundle install: /usr/local/bin/ruby extconf.rb *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary…
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answer112
viewsQ: I want to select a specific value in the collection_select, how do I?
Good morning, I’m working with Ruby on Rails and I’m having a little trouble. I have a value in a @n variable, and I have a collection_select that will fetch me all the values of a collection. what…
ruby-on-railsasked Catarina 67