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Managing Activity Feeds in Ruby

Activity feed on any socialising platform shows the updates/news and as it says, activities of your friends and people whose activities you are authorised to view. Anything – a news feed, chat message, connection request or a notification is an activity feed....

Incremental backup for MongoDB

I am adding the complete process on how to use oplogs as an incremental backup for MongoDB. Although it is a little hacky way as there is no direct solution to this issue (like we have bin logs in PostgreSQL). Oplogs vs Journal Journals are low-level logs that are...

Solution to Push Notifications problems in iOS

Notifications in iOS are two types: 1) Remote Notifications 2) Local Notifications Local Notifications are scheduled by an app and delivered on the same device. When you create a local notification, you must specify when the system should deliver the notification. No...