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TPDP Episode #22: NoSQL Databases And The Flexibility Of A Non-Relational Model

I am pleased to announce that the latest episode of The Polyglot Developer Podcast is now available for download. In this episode titled, NoSQL Databases and the Flexibility of a Non-Relational Model, I’m joined by Matt Groves where we talk about use-cases for NoSQL versus relational databases and how to use NoSQL in your own applications.

Matt Groves and I used to work together at Couchbase, which is a NoSQL database company, and is by no means the focus of this episode. The focus is NoSQL in general and all the great things that you can do with it.

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Bulk Remove Unconfirmed Sendy Subscribers After A Certain Number Of Days

You may or may not know this, but I use Sendy to send out my monthly newsletters because it is incredibly cheap in comparison to competitors like Mailchimp. Anyone who has done list building before knows that over time you’re going to end up with a lot of stale subscribers that need to be cleaned in an effort to save space and keep things organized.

My email lists require a secondary opt-in to prevent SPAM subscriptions. The problem with this is I still get a lot of SPAM subscriptions even if they are never included in my newsletters. These subscriptions have no business being in my list, so it is best to remove them after so long.

We’re going to see how to use SQL to remove unconfirmed email subscribers in Sendy after so many days.

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Using A SQLite Database For Local Data In A Golang Application

When developing an application with the Go programming language, you might find yourself needing to save data locally. If you’ve been keeping up you’ll remember that I’ve written about storing data remotely with Golang in a Couchbase NoSQL database, but never anything locally. Probably the easiest way to store data locally is with a SQLite database as it is a solid technology that has been around for a while.

We’re going to see how to use a SQLite database in our Golang application to read and write local data.

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Backup WordPress Database And Filesystem Data On Linux With Scripts

If you’re like me, you run a WordPress blog and are terrified of the thought of something going wrong. With core updates, theme updates, plugin updates, and server component updates, there is a lot of room for error. This is where a WordPress backup could help ease your mind.

WordPress recommends taking a backup of your blog before any of these are done and there are even some popular plugins that will do this for you. For example, you could use the popular UpdraftPlus or similar, but I believe there is room for error in those as well. While I could be wrong, I think WordPress must be in good shape for backup plugins to be successful.

The alternative would be to create your own backup scripts that run on a cron schedule. We’re going to see how to do this for WordPress instances running on a Linux machine.

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Create A URL Shortener With Golang And Couchbase NoSQL

Continuing down the road of Golang development I thought it would be a cool learning example to develop a URL shortener application similar to that of TinyURL or Bitly. I think these are great examples because not only does it teach you how to develop a RESTful API that uses a datasource, but it also challenges you to think critically when it comes to the algorithms.

Previously I had written about creating a URL shortener using my other favorite server-side technology, Node.js, but the languages are so different that it makes sense to try the same with the Go programming language. In this example we’re going to create an application that makes use of Golang, Couchbase, and a few other project dependencies.

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TPDP Episode #6: PouchDB and its Usefulness in Development

As a web and mobile application developer, you may come to a point where you need to worry about data and how to synchronize it between devices in platforms. PouchDB is one of a few good solutions that makes this task significantly easier. In this episode of The Polyglot Developer Podcast, guest speaker Nolan Lawson and I discuss PouchDB and how it is being used in a lot of modern applications, both web and mobile.

Nolan Lawson is a Program Manager at Microsoft, but also one of the core contributors to the PouchDB open source project. In Episode #6: PouchDB and its Usefulness in Browser Based Development, we’re going to cover a lot of ground without actually showing how to use the database in your application. After all, this is an audio only podcast. You will however, be educated on a lot of the technical concepts and popular use cases behind the tool.

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Upcoming Presentation: Phoenix Mobile Festival

In case I’m in your part of the world, I’ll be giving a talk at the Phoenix Mobile Festival in Phoenix, Arizona on September 19th, 2015. I encourage you to attend or at least swing by and say hello.

The title of my talk is Building Offline First Mobile Applications and the abstract is as follows:

What happens when your mobile device does not have a network connection? That device will have no content, no experience and the amazing application that you spent so much effort to build just simply will not work.

You will gain knowledge in NoSQL databases technologies and walk away with insights on how to create offline type of applications that to sync to the cloud with Couchbase Mobile.

This is a free event, so if you’re available and are interested in learning about mobile technologies, mark it on your calendar. Based on the listed agenda there are going to be a lot of fun topics.

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