sample_app | Ruby on Rails Tutorial sample application | Learning library
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kandi X-RAY | sample_app Summary
Ruby on Rails Tutorial sample application
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QUESTION
I have a samle app I'm using docker-compose to run locally on my machine. The web app is in one container and the db (postgres) in another.
I am having an connection issue that I can't work through.
docker-compose
...ANSWER
Answered 2021-May-27 at 09:39As per stated in https://docs.docker.com/network/bridge/, you need to put both services into a user-defined bridge network for them to refer to each other by the container names. Here is how to do it inside docker-compose.yml
:
- Define a custom bridge network:
QUESTION
I am experimenting the AWS SDK for python to access Timestream. I tried their in house example code from the repository and I wrote my own code to create a database:
...ANSWER
Answered 2021-Mar-27 at 01:58The credentials that you are using to interact with Timestream should use an IAM role that has has either an AWS managed policy or a custom policy that allow you to call timestream:DescribeEndpoints. See this page for an example: https://docs.aws.amazon.com/timestream/latest/developerguide/security_iam_id-based-policy-examples.html
Assuming you configured your environment to use the AWS CLI and ran aws configure
, the IAM User that is tied to those credentials should be granted timestream:DescribeEndpoints. https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-quickstart.html
You may have gotten this permissions error because you are missing TableName, which is a required parameter. https://docs.aws.amazon.com/timestream/latest/developerguide/API_CreateTable.html
QUESTION
I have a viewController called as ViewController and I have a button on it , I want to present a tabBarController (which already contains two viewControllers) when pressed a button and I want it fullscreen I have tried a code
...ANSWER
Answered 2020-Oct-28 at 18:19You could try put a segue from the ViewController to the TabController
Now and put an identifier.
Add a func in your first ViewController and taking the segue identifier to move to the other view.
QUESTION
I'm facing the same issue as here:Generated with LTO version 6.0 instead of the expected 8.1
I tried to build the new 2.0 sensor firmware using the information from the getting started using docker. After starting:
ninja pkgs
the compiling fails with the note, that the library "libmovesense-coreD.a" was built with LTO version 6 but expected was version 8.1.
I also installed cmake 3.18.1 and the arm toolchain 2017_q4 manually on Ubuntu 19.10., but it stops at step 8/12, caused by a LTO-wrapper failure.
(... some lines below ...)
I simply copied the cmake command from the Movesense homepage and added the directory of the sample_app. Here's the code I started from movesense/myBuild/ in the docker-container:
...ANSWER
Answered 2020-Sep-22 at 06:30Looks like you have MovesenseCoreLib that is built with GCC 6.0 (probably 1.9.4 i.e. current master) instead of the 2.0 pre-release. My guess is that you have not checked out the 2.0 branch.
Try running
QUESTION
I am working on an app which detects charging stations for electric vehicles nearby. I have added markers of charging stations which indicate the charging stations in a given radius. I need real time tracking of the vehicle in the app. I am beginner at flutter so I am looking for easy to implement code. I have written code in three files which are:
main.dart
...ANSWER
Answered 2020-Sep-03 at 14:45The Easiest Way: Use the Location Plugin will work as you need:
https://pub.dev/packages/location
A hard Way Using Google Maps plugin:
You would have to get the current location then pass it through the updateMarkers
Function
And you would have to call the Update Markers to function inside a timer
function which would call the function repeatedly with your specified duration
.
How to use the UpdateMarker Function: A detailed post is here:
Updating marker position with change in Lat-Lng position of marker in Google-Maps Flutter Plugin?
About the timer function: https://api.dart.dev/stable/2.9.2/dart-async/Timer-class.html
QUESTION
What is wrong with the following code?
...ANSWER
Answered 2020-Aug-15 at 18:49Assuming you copied and pasted your code correctly, the indentation is wrong, you've put a Color instruction at child widget level rather than indented under the canvas.before:
. This is quite possibly causing your error.
QUESTION
I'm running a $rails test command to see if everything is alright, but I receive this:
...ANSWER
Answered 2020-Jun-24 at 00:52Your User model in app/models/user.rb
Is expected to have a digest
method but doesn’t.
Your user has_secure_password
which adds some extra methods to the user. See https://api.rubyonrails.org/classes/ActiveModel/SecurePassword/ClassMethods.html for the docs. But not User.digest
Perhaps there is a part in the tutorial where you’ve skipped the creation of that method? Or maybe the tutorial is wrong or out of date.
Either way, in your users.yml file you can use password_digest: BCrypt::Password.create('Your_Password'))
to set a password for each user instead of the User.digest method.
See Encrypt User's password in seed file for someone with the same root problem.
QUESTION
I'm trying to start up the rails console ( not related to my previous questions since these are different errors ) and I can't, for the life of me, figure out how to fix this or what's even asking me to do. I'm running: ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-linux].
I type in the rails console command and get the following:
ubuntu:~/environment/sample_app (sign-up) $ rails console
...ANSWER
Answered 2020-Jun-15 at 21:56Ensure ‘mysql2’ is included in your gem file and run bundle install
The key part of the error message is:
QUESTION
thank you for taking the time to read this. I'm extremely new to this, and am currently following a textbook for learning Rails, so apologies if I'm slow to pick up instruction. I'm currently on Chapter 5 of the Ruby on Rails tutorial (3rd edition), and part of this is my fault as I fiddled with something (I'm not exactly sure what) and now I get this error: I'm trying to install Bootstrap, and I was supposed to add a line of code in my gemfile. But now every time I try to run bundle install, I receive this error.
...ANSWER
Answered 2020-Jun-13 at 21:35As the error message says, you have a couple of declarations for the rails
gem.
Remove gem 'rails', '4.2.2'
(at the top of the file, after source 'https://rubygems.org'
) and run bundle install
(or just bundle
).
Hope this helps!
QUESTION
thank you for taking the time to read this. I'm extremely new to this, and am currently following a textbook for learning Rails, so apologies if I'm slow to pick up instruction. Most of the obstacles I've come across I'm able to either google and click around, but I'm afraid I'm at a standstill with this one. And yes, I did poke around here for similar questions/answers, those didn't help either.
The command $ Rails Console doesn't work. Now, before inputting this command, I did try to input the $ nano ~/.irbrc , and I don't know if I did that step correctly, and I don't know if that affects the $ Rails Console command. Prior to this, I also input $ Spring Stop — even before that, I was still receiving the same error, but I digress.
Here's what happens when I input the console command:
...ANSWER
Answered 2020-Jun-09 at 19:52There is a syntax error in your /home/ubuntu/.irbrc
file. This means that there is code that is not correctly formatted and can not be parsed by Ruby. When consuming your file, Ruby thinks that there is an unfinished regex, but it could just be an invalid character/formatting that looks like an unfinished rexex. At any rate, you need to inspect the contents of that file, to determine if the logic contained therein is what you expect.
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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