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Stack Overflow for Teams is a secure knowledge sharing platform trusted by the world’s largest community of developers and technologists. We boost team productivity and collaboration through a centralized knowledge base and easy to use, familiar platform.

Use Rails 5 ActionCable channels with React for realtime magic.

Securing Rails ApplicationsThis manual describes common security problems in web applications and how to avoid them with Rails.After reading this guide, you will know: All countermeasures that are highlighted. The concept of sessions in Rails, what to put in there and popular attack methods. How just visiting a site can be a security problem (with CSRF). What you have to pay attention to when working with files or providing an administration interface. How to manage users: Logging in and out and attack methods on all layers. And the most popular injection attack methods.

Active Storage OverviewThis guide covers how to attach files to your Active Record models.After reading this guide, you will know: How to attach one or many files to a record. How to delete an attached file. How to link to an attached file. How to use variants to transform images. How to generate an image representation of a non-image file, such as a PDF or a video. How to send file uploads directly from browsers to a storage service, bypassing your application servers. How to clean up files stored during testing. How to implement support for additional storage services.

High performance, maintainable stylesheets.

Advanced ORM between postgreSQL and Crystal.

Lightning Fast, Super Simple web framework for Crystal

We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.

Private RubyGems, npm, PyPI, NuGet, Composer & more

Want to learn to code? There is no better time to start than right now. Below is an illustrated roadmap focussed on how to become a developer in 2018. Don’t let these illustrations scare you. You by…

Online Payment Solutions and Global Payment Processor. Reach more buyers and drive higher conversion with an online payment solution that processes PayPal, Venmo, credit and debit cards, Apple Pay, and Google Pay.

Git Commit message Emoji. GitHub Gist: instantly share code, notes, and snippets.

Clean and simple clipboard manager for developers.

Open-source engine for Heroes of Might and Magic III

Using a programmable SQL interface such as an ORM (Object Relational Mapping) is a good way to reduce risk of SQL Injection, which is a very bad vulnerability to have. However, ORM packages are not bullet proof. This post explains why you shouldn’t put all your SQL Injection protection eggs in the ORM basket, and what more can you do.

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown