Why I Don't Like Singletons

The Cherno · Beginner ·🛠️ AI Tools & Apps ·1y ago
To try everything Brilliant has to offer—free—for a full 30 days, visit https://brilliant.org/TheCherno . You’ll also get 20% off an annual premium subscription. Patreon ► https://patreon.com/thecherno Instagram ► https://instagram.com/thecherno Twitter ► https://twitter.com/thecherno Discord ► https://discord.gg/thecherno 🔗 LINKS Meyers' Singleton ► https://laristra.github.io/flecsi/src/developer-guide/patterns/meyers_singleton.html Radar Contact code ► https://github.com/Bogdanctx/Radar-Contact Hazel ► https://hazelengine.com 🕹️ Play our latest game FREE (made in Hazel!) ► https://studiocherno.itch.io/dichotomy 🌏 Need web hosting? ► https://hostinger.com/cherno 📚 CHAPTERS 0:00 - Comments and the Community 3:41 - The Comment 4:52 - Singletons and Context 8:47 - Lazy Loading 10:35 - Why are singletons "bad"? 15:51 - Having a "global variable" is "better" 16:23 - Reviewing Meyers' Singleton 19:38 - Improving our singleton to make shutdown explicit 21:11 - Not storing our instance in static storage 22:56 - Removing lazy loading to make initialization explicit 23:47 - The "global" situation - my solution 💰 Links to stuff I use: ⌨ Keyboard ► https://geni.us/T2J7 🐭 Mouse ► https://geni.us/BuY7 💻 Monitors ► https://geni.us/wZFSwSK This video is sponsored by Brilliant.
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1 3D Game Programming - Episode 1 - Window
3D Game Programming - Episode 1 - Window
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2 3D Game Programming - Episode 2 - Game Loop
3D Game Programming - Episode 2 - Game Loop
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3 3D Game Programming - Episode 3 - Arrays
3D Game Programming - Episode 3 - Arrays
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4 3D Game Programming - Episode 4 - Drawing Pixels!
3D Game Programming - Episode 4 - Drawing Pixels!
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5 3D Game Programming - Episode 4.5 - How Rendering Works
3D Game Programming - Episode 4.5 - How Rendering Works
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6 3D Game Programming - Episode 5 - Playing with Pixels!
3D Game Programming - Episode 5 - Playing with Pixels!
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7 3D Game Programming - Episode 6 - Performance Boosting
3D Game Programming - Episode 6 - Performance Boosting
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8 3D Game Programming - Episode 7 - FPS Counter
3D Game Programming - Episode 7 - FPS Counter
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9 3D Game Programming - Episode 8 - Alpha Support and More
3D Game Programming - Episode 8 - Alpha Support and More
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10 3D Game Programming - Episode 9 - Beginning 3D
3D Game Programming - Episode 9 - Beginning 3D
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11 3D Game Programming - Episode 10 - Floors and Animation
3D Game Programming - Episode 10 - Floors and Animation
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12 3D Game Programming - Episode 11 - Rotation
3D Game Programming - Episode 11 - Rotation
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13 3D Game Programming - Episode 12 - User Input
3D Game Programming - Episode 12 - User Input
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14 3D Game Programming - Episode 13 - Render Distance Limiter!
3D Game Programming - Episode 13 - Render Distance Limiter!
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15 3D Game Programming - Episode 14 - Basic Mouse Movement
3D Game Programming - Episode 14 - Basic Mouse Movement
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16 3D Game Programming - Episode 15 - Textures + More!
3D Game Programming - Episode 15 - Textures + More!
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17 3D Game Programming - Episode 16 - Walking, Crouching, Sprinting + More
3D Game Programming - Episode 16 - Walking, Crouching, Sprinting + More
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18 3D Game Programming - Episode 16.5 - Exporting Runnable Jars
3D Game Programming - Episode 16.5 - Exporting Runnable Jars
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19 3D Game Programming - Episode 17 - Small Adjustments + Birthday!
3D Game Programming - Episode 17 - Small Adjustments + Birthday!
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20 3D Game Programming - Episode 17.5 - Creating an Applet
3D Game Programming - Episode 17.5 - Creating an Applet
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21 3D Game Programming - Episode 18 - The Beginning of Walls
3D Game Programming - Episode 18 - The Beginning of Walls
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22 3D Game Programming - Episode 18.1 - A Few More Things
3D Game Programming - Episode 18.1 - A Few More Things
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23 Episode 18.5 - Creating an EXE File in Java
Episode 18.5 - Creating an EXE File in Java
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24 3D Game Programming - Episode 19 - Rendering Walls
3D Game Programming - Episode 19 - Rendering Walls
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25 3D Game Programming - Episode 20 - Continuing Walls, Fixing Bugs, and Managing Crashes
3D Game Programming - Episode 20 - Continuing Walls, Fixing Bugs, and Managing Crashes
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26 3D Game Programming - Episode 21 - Texturing Walls, Fixing Clipping, and Fixing the Mouse
3D Game Programming - Episode 21 - Texturing Walls, Fixing Clipping, and Fixing the Mouse
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27 3D Game Programming - Episode 22 - Random Level Generator + Properly Fixing Clipping
3D Game Programming - Episode 22 - Random Level Generator + Properly Fixing Clipping
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28 3D Game Programming - Episode 23 - Graphical User Interface (GUI) Launcher
3D Game Programming - Episode 23 - Graphical User Interface (GUI) Launcher
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29 3D Game Programming - Episode 24 - Making Our Launcher Work
3D Game Programming - Episode 24 - Making Our Launcher Work
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30 3D Game Programming - Episode 25 - Writing and Reading Files
3D Game Programming - Episode 25 - Writing and Reading Files
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31 3D Game Programming - Episode 26 - Custom Resolutions
3D Game Programming - Episode 26 - Custom Resolutions
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32 3D Game Programming - Episode 27 - Decorating the Launcher
3D Game Programming - Episode 27 - Decorating the Launcher
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33 3D Game Programming - Episode 28 - Continuing our Custom Launcher!
3D Game Programming - Episode 28 - Continuing our Custom Launcher!
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34 3D Game Programming - Episode 29 - Launching The Game
3D Game Programming - Episode 29 - Launching The Game
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35 3D Game Programming - Episode 30 - Colour Processing In-Depth
3D Game Programming - Episode 30 - Colour Processing In-Depth
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36 3D Game Programming - Episode 31 - Sprites!
3D Game Programming - Episode 31 - Sprites!
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37 3D Game Programming - Episode 32 - Sprite Mapping
3D Game Programming - Episode 32 - Sprite Mapping
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38 3D Game Programming - Episode 33 - High Resolution Rendering
3D Game Programming - Episode 33 - High Resolution Rendering
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39 3D Game Programming - Episode 34 - Entities
3D Game Programming - Episode 34 - Entities
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40 Genesis - My Game for Ludum Dare 24
Genesis - My Game for Ludum Dare 24
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41 Vlog + Ludum Dare Results
Vlog + Ludum Dare Results
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42 Game Programming - Episode 1 - Resolution
Game Programming - Episode 1 - Resolution
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43 Game Programming - Episode 2 - Threads
Game Programming - Episode 2 - Threads
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44 Game Programming - Episode 3 - Game Loop
Game Programming - Episode 3 - Game Loop
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45 Game Programming - Episode 4 - Window
Game Programming - Episode 4 - Window
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46 Episode 5 - Buffer Strategy
Episode 5 - Buffer Strategy
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47 Game Programming - Episode 6 - Graphics Initialized
Game Programming - Episode 6 - Graphics Initialized
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48 Game Programming - Episode 7 - Buffered Image and Rasters
Game Programming - Episode 7 - Buffered Image and Rasters
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49 Game Programming - Episode 8 - The Screen Class
Game Programming - Episode 8 - The Screen Class
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50 Game Programming - Episode 9 - Rendering Pixels
Game Programming - Episode 9 - Rendering Pixels
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51 Game Programming - Episode 10 - Clearing the Screen
Game Programming - Episode 10 - Clearing the Screen
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52 Game Programming - Episode 11 - "Out of Bounds, Baby!"
Game Programming - Episode 11 - "Out of Bounds, Baby!"
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53 Game Programming - Episode 12 - Negative Bounds
Game Programming - Episode 12 - Negative Bounds
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54 Game Programming - Episode 13 - Timer
Game Programming - Episode 13 - Timer
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55 Game Programming - Episode 14 - FPS Counter
Game Programming - Episode 14 - FPS Counter
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56 Episode 15 - Tiles
Episode 15 - Tiles
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57 Game Programming - Episode 16 - The Map
Game Programming - Episode 16 - The Map
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58 The Walls 2 - Minecraft PvP Survival Map
The Walls 2 - Minecraft PvP Survival Map
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59 Game Programming - Episode 17 - Key Input
Game Programming - Episode 17 - Key Input
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60 Game Programming - Episode 18 - Controlling The Map
Game Programming - Episode 18 - Controlling The Map
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Chapters (11)

Comments and the Community
3:41 The Comment
4:52 Singletons and Context
8:47 Lazy Loading
10:35 Why are singletons "bad"?
15:51 Having a "global variable" is "better"
16:23 Reviewing Meyers' Singleton
19:38 Improving our singleton to make shutdown explicit
21:11 Not storing our instance in static storage
22:56 Removing lazy loading to make initialization explicit
23:47 The "global" situation - my solution
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