Which is the best way to add a profile picture code for users in a website [closed] - ruby

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Hi I'm creating a website which has many users, I would like add a profile picture for every user and display it. Which is the best way to add either using server scripting (Ruby) or via HTML and java scripts?

One of the easiest way to do this (independently of any technology) is to have your website use Gravatars ("Globally Recognized Avatars") when available. You can then use a simple img to show it in any size you want :
<img src="http://www.gravatar.com/avatar/205e460b479e2e5b48aec07710c08d50" />
See here for more information.

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Need a currency converter in a Laravel website [closed]

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I am working on a website, and I need a dynamic currency converter. This reference website link is what I actually want on my website.
There are multiple of packages available :
Best one :moneyphp/money
Alternatives :
Torann/laravel-currency
akaunting/money
However, you can actually find these and some more on your own. If you do not find these from google search, packagist can be the place to search for a package using keyword like money, currency in this case and you see downloads, versions and github links etc.

How do I print and enter data with CodeIgniter? [closed]

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I want to enter data into the database via the form, when the storage process is complete, the results appear on the new screen? how is the process?
thanks.
There's a really simple tutorial on how to achieve that in the codeigniter docs.
Codeigniter Tutotial - Getting started

Intro/tour guide in react native application [closed]

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I need to implement an intro/tour in my react native application only when first time using the application.
I need to show a single part to mention what it does and at the same time hide the rest of the screen, like in the image below. So, basically my intro will be a guide on how to use the application each time shows something and hide the rest and we use the button "next" to get through it all.
I've already found this repository https://github.com/FuYaoDe/react-native-app-intro, but that's not exactly my purpose... any help?
So, basically, I need to make a very similar tour guide like this one https://github.com/worker8/TourGuide but in react native application

Develop a custom Backdrop App [closed]

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Is it possible to develop a custom Backdrop App for Google Chromecast instead of using Google's Backdrop feature? It doesn't support some features and I have some ideas, so want to see if that is possible. Documentation didn't provide me that information. Thanks.
No, that area is not open to developers to change; users can decide on the source of content there (images from various sources, news, etc) but beyond that, there is no access to backdrop for developers.

Compiling dojo into a single build file [closed]

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Does any one has idea to compile a dojo into a single file. I am trying to host the project into a website, and dojo has 100's of files to be uploaded.. if any one got idea. please share.
As addition to the answer of Craig of following the build tutorial, I also want to add that there's a web builder that can help you with it.
With this tool you can specify the modules you need and create a single JavaScript file of it.

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