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Intro to Matplotlib
Matplotlib is a popular charting library for the python data science ecosystem. It’s easy to use and quick to setup. If you don’t have matplotlib installed on your machine already, install it with pip install matplotlib. Line chart Bar chart Scatterplot Above I showed some examples of creating line charts, bar charts and scatterplots. You
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How to navigate in Android & Kotlin
Navigation comes up frequently in any standard mobile application. In the android ecosystem, navigation is done with the concept of intents. Intent will navigate from one activity to the next. We can also attach extras to the intent to carry information between activities. In the above code snippet, a new intent is created using the
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How to create a toast in Android Kotlin
Giving user feedback throughout an android application is useful so that the user knows that they are doing the right set of actions in your application. Let’s create a simple button that creates a toast message in this blog post. In our Layout, let’s add a simple button. Now that we have a button to
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Introduction to SQl
SQL is a general programming language that is used to control database tables. It is common to store data in databases in sql format. We will be focusing on postgres in this article. Sql commands are very useful to select and analyze data in our databases. To start the example, lets create a database called
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How to access mouse inputs in Unity
In most computer based video games, mouse input is necessary for movement and selection. Unity game engine makes this relatively simple for us to access mouse inputs. Input module is what we will be using for Unity. In the following examples, 0 stands for the left mouse button, 1 stands for the right mouse button
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How to access keyboard inputs/key presses in your Unity game
Many games will need to receive keyboard inputs for their game to function correctly. Whether it is to shoot or create movement or even special abilities, Unity game engine makes it quite simple for us to accomplish this. The Input class makes this a rather simple process. The Unity documentation page for keycode has all
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How to load a new level/scene in Unity
In Unity game engine, unless you are making a single level arcade game, there will be times where you will need to load a different level to your game. In the above code, the new scene is loaded synchronously using the scene manager. If the new scene is complex, this loading process could take a
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How to create framerate independent movement in Unity
Due to the fact that scenes might run at different frame rates due to complexity of the level, you don’t want your game to work differently during different scenes. One way to handle movements in Unity game engine is by taking into account the time of change as movement is taken into account. By using
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How to implement a Queue in Python
A queue is a data structure commonly found in software engineering. Let’s take some time to try to implement our own queue class in Python. Queues work via First In First Out(FIFO) principals. What that means is that the sooner an item is added to a list, the sooner that the item will be available
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Const, Let, and Var
In ES6 and beyond, Javascript will give us 3 options for creating variables. The 3 options are Const, Let, and Var. Var has been around as long as Javascript whereas Let and Const are newly available via ES6. Var variables are created with functional scope and this can cause a lot of problems in your
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