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Wojciech Kulik

Implement autocomplete feature using Azure Search Service and AWS API Gateway

Posted on 3 March 20189 March 2018 Wojciech KulikLeave a commentPosted in Cloud

In this article I will explain how to use cloud solutions to provide endpoints for autocomplete feature in serverless applications. First of all you will have to create free accounts on Microsoft Azure and Amazon Web […]

Deploy a free backend with REST API using Amazon Web Services (AWS)

Posted on 25 February 20185 March 2018 Wojciech KulikLeave a commentPosted in C#, Cloud

Nowadays most applications require internet access. Usually we need a backend to provide content, store data or to share information between multiple users. However, if you work on a small personal project, most likely you […]

Bindable dynamic TableView sections and rows

Posted on 20 February 201820 February 2018 Wojciech KulikLeave a commentPosted in Xamarin.Forms

In this article I will show you how to implement an attached property for Xamarin.Forms.TableView to add support for bindable sections. It’s very useful when you want to keep your logic clean in ViewModel and […]

Bluetooth Low Energy – background mode on iOS

Posted on 25 December 201726 December 2017 Wojciech KulikLeave a commentPosted in Xamarin.iOS

In order to provide support for bluetooth background mode, you need to add UIBackgroundModes key in info.plist file with array value containing one of the following strings: bluetooth-central – if your application connects to BLE devices, bluetooth-peripheral – if […]

How to communicate with Bluetooth Low Energy devices on iOS

Posted on 19 April 201725 December 2017 Wojciech KulikLeave a commentPosted in Xamarin.iOS

iOS provides a library called CoreBluetooth which allows to communicate with BLE devices. It hides many low level operations, therefore we don’t have to worry about protocol specification. However, we need to get familiar with some new terms related with […]

Attached property for TapGestureRecognizer

Posted on 10 March 20164 October 2016 Wojciech Kulik3 CommentsPosted in Xamarin.Forms

While creating Xamarin.Forms applications, definitely you are going to need TapGestureRecognizer often. Implementing it in XAML many times may end up with a lot of unnecessary code. Let’s take a look at that simple clickable Image: This […]

Get a Performance Counter using English name

Posted on 16 December 201514 February 2016 Wojciech KulikLeave a commentPosted in C#

Each counter has its own category and name (sometimes also an instance name). To read performance data, we can create an instance like this: var counter = new PerformanceCounter(“IPv4”, “Datagrams/sec”); Unfortunately those names in parameters depend on […]

WinRT – how to detect supported IP versions

Posted on 27 November 201514 February 2016 Wojciech KulikLeave a commentPosted in C#, WinRT

To get information about supported IP versions by the network adapter, we need to go through assigned IP addresses and check their types. In WinRT there is GetHostNames(), which gets a list of host names associated with the […]

Embedded Class Libraries (DLL)

Posted on 29 October 20152 January 2018 Wojciech KulikLeave a commentPosted in C#

Sometimes we need to prepare a single file application, but what if we want to split a code into DLLs or use 3rd party libraries? Fortunately .NET provides an event AssemblyResolve, which allows us to resolve them manually. In this […]

Run an application from memory

Posted on 29 October 201526 December 2017 Wojciech KulikLeave a commentPosted in C#

There are many reasons why running an application from memory may be useful. For example your machine might have white-listed applications or you might want to gain some security by deploying encrypted software, which can be […]

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  • Implement autocomplete feature using Azure Search Service and AWS API Gateway
  • Deploy a free backend with REST API using Amazon Web Services (AWS)
  • Bindable dynamic TableView sections and rows
  • Bluetooth Low Energy – background mode on iOS
  • How to communicate with Bluetooth Low Energy devices on iOS

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