Are you worried about the security issues in your Rails app? The rack-attack gem, can help you. Rack::Attack is a rack middleware which provides security to our rails application. It allows us to safelist, blacklist, throttle and to track requests. If the request matches any safelist, it is allowed. If the request matches any blocklist, it is blocked. If the…
There are many problems while building large applications with data that changes over time. To solve this ,I suggest checking out ReactJS. React lets you express how your app should look at any given point, and can automatically manage all UI updates when your underlying data changes. React is one of the most popular JavaScript front end libraries…
Fixtures are very much relevant in Rails testing. Fixtures are a way of organizing your test data.Testing the application helps to debug it more efficiently and ensures the desired functionality to the application. Let’s have a look on them. It is used to manage the test data. It tests against the real data and is…
IRB stands for interactive ruby, it is a tool for interactively executing ruby expressions read from a standard input. To invoke it, type irb at the shell or command prompt, and begin entering Ruby statements and expressions. But it has some limitations. A solution to this is called ‘irbtools‘, which make using irb easier and…
PStore(persistent store) implements a file based persistence mechanism based on a Hash. It writes Ruby objects to an external file so it can access easily if needed. If an I/O error occurs while PStore is writing to its file, then the file will become corrupted.You can prevent this by setting pstore.ultra_safe = true. Also, it…
Migrations are used to modify your database. By default, all migrations run inside a transaction. You can disable the transaction during migration. Let’s have a look on how to disable transaction block! Migrations can manage the evolution of a schema used by several physical databases. It’s a solution to the common problem of adding a…