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Margins and Paddings

Paddings

Paddings are always applied by the view itself.

On all four sides

android:padding = "8dp"

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Android Basics Udacity Course / Lesson 4 notes

Preparing to work with Android

• Download and install latest Android Studio.
• Configure your phone to become developer (YouTube instruction video)
• Connect your phone to the computer
• Install Driver (Windows environments only). (Details Here)

From Design to Code

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Safe object property assignment and fallback value

You can safely assign object properties to variables, protecting your operation from exceptions. In case the value is falsely you can assign a default value.

let sourceObject = {
  prop1: "hello world",
  prop2: {
 prop21: 3,

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Killerchip's Gist

Coding notes, tips, cheats, guides, code snippets and tutorial articles

Areas:

• General programming

• Javascript

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Law of Demeter

The Law of Demeter for functions requires that a method m of an object O may only invoke the methods of the following kinds of objects.

1. O itself
2. m's parameters
3. Any objects created/instantiated within m
4. O's direct component objects
5. A global variable, accessible by O, in the scope of m

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Killerchip's General Programming Notes

General programming... notes, tips, cheats, guides, code snippets and tutorial articles.

Table of Contents

• The Law of Demeter

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Creating model classes in Typescript

Tip: Recommended way of creating classes that model the data of your Typescript app.

Creating simple classes

Create a simple class with a small set (0-3) of parameters in the constructor.

• Define the properties directly in the parameter of the constructor.
• Define optional parameters by defining default values

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Killerchip's Typescript notes

Notes, tips, cheats, guides, code snippets and tutorial articles

Table of Contents

• Creating model classes in Typescript
• Enums cheatsheet

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Starting an Angular Project Guidelines

Here follows a draft guide/checklist on how to get started with an angular project.

• PAGE BUILDING
  • Identify and scetch Components tree.
    • Identify components and subcomponents
    • Make list of items components themselves.
  • Identify the model and model classes.
• tip: Try to isolate data structures from components. Think... "can the component be replaced without affecting data"?

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Killerchip's Angular notes

Coding notes, tips, cheats, guides, code snippets and tutorial articles

Table of Contents

• Starting an Angular project
• Simple input with no forms
• Add component class from the inside
• Use link as button