Jul 31, 2020
A few weeks ago we looked into ViewChild and ContentChild. We saw how template variable could be used to get references on the element they were defined on. In today’s post we will see how exportAs facilitates the creation of template variables.
Jul 24, 2020
In a previous post we talked about Jupyter notebook. We looked at the support of notebooks from Visual Studio Code and how we could write a notebook almost like a story with interactive code. Continuing on the same line, in today’s post we will be looking at Visual Code Python Interactive and see how it can be used to write Python scripts or quickly test prototypes.
Jul 17, 2020
Few months ago we talked about IPython, a powerful interactive shell to discover modules, test functionalities and applications. On top of that, IPython is also used as a Python kernel for Jupyter. Jupyter allows us to combine Markdown text with executable Python code in a notebook, called a Jupyter notebook. Visual Studio Code has a direct support for Jupyter notebooks which have the extension.ipynb (for IPython notebook). In today’s post we will see how we can create our first notebook and experience the benefit of this technology.
Jul 10, 2020
In frontend application, it is common to have the version displayed on the footer which allows us to quickly debug which version is getting served by our server. In today’s post, we’ll look at how we can get the version baked into the bundle so that it can be used and displayed on the frontend of an Angular application.
Jul 03, 2020
Continuing on our discovery of Angular decorators, in this week post we will be looking at ContentChild and ContentChildren. What the differences are, and when to use one or another.
Jun 26, 2020
Last week we looked into HostBinding and HostListener decorators and how they could be used. In this week post we continue on our discovery of great decorators by looking at ViewChild and ViewChildren. What the differences are, and when to use one or another.
Jun 19, 2020
Multi inheritance (MI) in Python is commonly used for mixins, where functionalities are defined in mixin classes and can be used as base classes. When those classes override the same functions, the program experiences what is known as the Diamond Problem. In order to call the proper functions, the compiler employs a Method Resolution Order (MRO) mechanism. In today’s post, we’ll look at the Diamond Problem, the MRO mechanism used by Python and we’ll also quickly look at why C# doesn’t have multi inheritance.
Jun 12, 2020
When creating directives, we sometime face situation where we need to change properties from the element or component hosting the directive. Those can changes can be made using HostBindsing decorator. In today’s post we will look at how we can use HostBinding and HostListener to change properties of the host element.
Jun 05, 2020
Angular has some nice directives hidden in the code that aren’t discussed in the guides. One of them is NgTemplateOutlet which allows us to create inline reusable templates. In today’s post we will look at how we can use NgTemplateOutlet to share functionalities in a HTML template.
May 29, 2020
Few weeks ago we looked into automating Postman collection run using Newman CLI. On top of using the CLI directly, Newman can also be used in a NodeJS application which makes it very versatile to create tools for testing. Today we will look at how we can use Newman as a NPM library and see the options provided.
May 22, 2020
Visual Studio Code is a free open source code editor. It comes packed with features and can also be extended with many extensions built by the community. Since its first launch five years ago, it has become the main editor to work on frontend projects like Angular or React projects. Because it is so quick and easy to use, we can get started straight away and build without having to explore much of its functionalities. But there are gems inside that if known, enhance drastically the productivity. In today’s post I will go through some file tips with Visual Studio Code version 1.44.2 which will boost productivity.
May 15, 2020
Structural directives in Angular, like ngIf and ngFor are mysterious directives. They both come with custom notation in order to define the content of the directives for example *ngIf="abc else xyz" and *ngFor="let x of xs; let i=index; trackBy: trackBy. In today’s post we will demystify the notation of NgIf, called a microsyntax, by looking at how it can be used, and then reconstructing the directive ourselves.
May 08, 2020
Handlebars is a simple template engine which we can use to generate HTML content or other text format. Being very quick to use and understand makes it an ideal tool for projects needing the most common statements like conditions or loops. In today’s post we will look into Handlebars built in helpers with example.
May 01, 2020
The step of translating text to binary format, called character encoding, is an important part of software development. Nowadays, we have some reminiscence of the ASCII code but majority of the systems default to UTF-8. In today’s post we will be looking at what the ASCII, Unicode and UTF-8 are.
Apr 22, 2020
One of the concept which gained a lot of traction from the last five years is Event Sourcing. Event Sourcing changes the way data are handled, how data are stored, and how perception of the current state is constructed. In this post, we will explain what is Event Sourcing and will see how it can implement using Equinox, a .NET implementation of an event store.
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