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For security purpose data wants to encrypt.
I want to encrypt sqlite data in swift.
How to perform this???
I read some solution that tell me use sqlcipher but get proper solution for that
Sqlcipher is pretty much your only option if you want to completely and securely encrypt your database.
iOS has some built in functionality but these are easily circumventable.
There is a reasonable tutorial on the following link on how to prepare the encrypted db:
https://www.zetetic.net/sqlcipher/ios-tutorial/
If you are wanting to use Core Data there are very limited options available to you. The following Github repo is pretty much the only usable solution for utilising a fully encrypted database within Core Data:
https://github.com/project-imas/encrypted-core-data
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I want to store the data of my rails application on a blockchain technology where data is decentralised. any quick tutorials or reference articles from where I can learn how to do so?
I want to store JSON data inside blockchain and I want to use any external service.
And any reliable blockchain as a service people like heroku for rails to get started?
Thanks.
You have to handle this with Database setup.
Go through this document https://www.bigchaindb.com/whitepaper/bigchaindb-whitepaper.pdf.
Also, see how this is done with python. Think this would be helpful https://www.sitepoint.com/managing-data-storage-with-blockchain-and-bigchaindb/
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What is the best and commonly used datasource for an iOS Application?
I am a .NET developer and want to use mssql server for database. Any suggestion on that? webservices, xml providers, etc...
The CoreData Framework, which is the iOS DeFacto DataStore utilises SQLite. Lot's of support and tutorials on it online.
Just about every mobile app that deals with databases uses SQLite. There are many tutorials on it.
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What would be the recommended procedure (such as pods or libraries) if I wanted to request JSON and then store the data in a Core Data model for both online and offline use?
Consider RestKit, it is being actively developed.
From the GitHub repo:
It provides a powerful object mapping engine that seamlessly integrates with Core Data and a simple set of networking primitives for mapping HTTP requests and responses built on top of AFNetworking.
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Is there any ORM that wraps up CoreData and lets developer just deal with domain logic? Like what ActiveRecord does in Ruby on Rails.
AFAIK, there are Objective-Record and MagicRecord that handle querying and persistence nicely.
How about validation and association, is there an open source project out there that provides these features?
Thanks
You should not wrap Core Data. Core Data is abstracted away already and adding another layer on top of it is just going to make your code cumbersome and error prone.
Core Data != ActiveRecord and if you are going to do iOS development it is best if you learn the paradigms of Objective-C/Cocoa instead of trying to avoid them.
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I know this is not a technical question but I don't know where to ask elsewhere.
I use the very cool toolkit called trigger.io to develop apps for both android and ios. Now I would like to use something like a database to display data in my app.
Firstly I found a realtime backend called firebase: http://www.firebase.com/
Nice but it takes a while until one gets access to it since it is still in beta.
Then I found a cloud service called Kinvey: http://www.kinvey.com/ Also interesting, but it is free as long as only 200 users download the app.
So do you know any alternatives to store data and use it for my app?
That would be very helpful,
thanks enne
Sure. Parse is an easy option. Basic plan to get start is $0 a month.
Also, there is nothing stopping you from bundling (or download and saving and caching) a json file for use in your trigger.io app.