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Swift Cookbook

You're reading from   Swift Cookbook Over 50 hands-on recipes to help you create apps, solve problems, and build your portfolio of projects in Swift

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Product type Paperback
Published in Apr 2015
Publisher
ISBN-13 9781784391379
Length 392 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started with Xcode and Swift FREE CHAPTER 2. Standard Library and Collections 3. Using Structs and Generics 4. Design Patterns with Swift 5. Multitasking 6. Playground 7. Swift Debugging with Xcode 8. Integrating with Objective-C 9. Dealing with Other Languages 10. Data Access 11. Miscellaneous Index

Checking where your IP is from


Sometimes, you need to query from a remote database, but as you know SQLite works with a local database, which means that you have to populate it before querying. In this recipe, we are going to convert a CSV file to a SQLite database, and after this, we are going to query some results.

Getting ready

For this recipe, we will need a CSV file with the range of IPs of each country. There are some websites that will give or sell it to you and you can download it for free from https://db-ip.com/db/download/country, uncompress it, and add it to your SQLite application.

Note

Right now, this file is called dbip-country-2014-12.csv, but it changes its name every month so we need to replace the filename where it is mentioned with the one you have.

How to do it...

Perform the following steps:

  1. Let's start completing the SQLite class by adding two additional methods: one for executing statements that don't return any result, such as the insert, delete, and update queries. To do...

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