Category: Programming (page 2 of 3)

[.NET Internals 01] Basics of memory structure

Have you ever wondered about what’s under the hood of the applications you develop?

Ever been surprised that there’s no need to worry about memory allocation and deallocation using high-level programming languages such as Java or C# after leaving the university?

Still remember (old) C++ times with delete statement?

 

Source: “Arnaud Porterie – The Truth About C++”

By this post, I’d like to introduce a new “.NET Internals” series on the blog. I will be publishing a new post on .NET internal concepts every Wednesday. No end date for the moment 🙂
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T-SQL/SSMS: transaction rollback in scripts with XACT_ABORT ON, GO statements and syntax errors

I’ve recently met a weird issue with T-SQL scripts at work and would like to share it with you today 🙂
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Xamarin.Android – ASP.NET web api synchronization – research

As you may know, in my MoneyBack Xamarin.Android application I’ve used SQLite as the local db management system. Recently I’ve added an ASP.NET Core web solution to my GitHub repository in order to create back-end API for my mobile app. I wanted to have database hosted on a remote server and Android application to synchronize its data with it.
Then I started wondering… and decided to make a deeper research first. As I wrote in my post summing up DajSiePoznac2017 competition, “before using a particular solution for an issue” we should “better examine the other possibilities” first. So I do 🙂
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Entity Framework Core – database initialization with Unit Test

I’ve recently been presented a concept of initializing the database (creating or re-creating it) with Unit Test method. Initially I thought it’s a non-sense, but after a while of taking a deeper look…
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Xamarin.Android – debugging via WiFi

In this short post, I’m going to show you a very handy feature of Android Debug Bridge (adb) – possibility to debug Xamarin.Android apps in Visual Studio via WiFi connection.
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Managing Activity state changes using Bundle

Today we’re going to see how to manage (keep and restore) state of Activities in Xamarin.Android application in order to keep the app consistent and reactive for configuration/state changes.
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Date selection using DatePickerDialog in Xamarin.Android

In this post, we’re going to see how to provide a nice Android UI control for selecting the date using DatePickerDialog.
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SQLite-Net Extensions – one-to-many relationships

In the 3rd post from SQLite-Net Extensions series we are covering the last type of relationship – one-to-many (and the opposite – many-to-one).
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SQLite-Net Extensions – one-to-one relationships

In this second short post from SQLite-Net Extensions series, we’re going to see how to create one-to-one relationships using this tiny ORM.
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SQLite-Net Extensions – many-to-many relationships

In today’s post we’re going to see what is SQLite-Net Extensions ORM and how to use it to create many-to-many relationship in SQLite database. The other types of relationships will be described in separate posts.
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