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Kotlin Tutorial For Beginners 2023 121gamers 3 Views • 2 years ago

In 5 hour video you will learn about the Kotlin programming language. Kotlin is modern language and if you are looking to switch from Java to Kotlin then this Kotlin tutorial is all you need.

Don't Forget to
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⭐ Table Of Contents ⭐
===========================================
00:00 - YT Intro
00:53 - Few Words Before We Start
01:55 - Course Intro
03:37 - Kotlin Playground
05:28 - Toolbox
08:54 - Create Kotlin Project
13:32 - IntelliJ New UI
14:51 - IDE Overview
19:55 - The Main Function
25:48 - Reserved Keywords
29:09 - Comments
32:30 - Println and Print
35:22 - Variables
39:38 - Datatypes
44:11 - Any
46:55 - Type Inference
48:24 - Val vs Var
51:33 - Const Keyword
56:02 - Null Safety
01:00:17 - Strings
01:04:40 - String Template
01:07:14 - Multiline Strings
01:10:07 - String Comparison
01:16:52 - Heap and String Pool Memory (String Comparison)
01:21:01 - Arithmetic Operators
01:24:34 - Math
01:29:58 - ++ and -- Operators
01:34:45 - Plus Operator
01:37:02 - Convert from one data type to another
01:41:30 - Booleans
01:44:49 - Naming Booleans
01:46:38 - Logical Operators
01:53:42 - Comparison Operators
01:56:28 - If Else Statement
02:00:06 - Else
02:02:43 - Else If
02:04:27 - If Expression
02:08:15 - Ifs Like Ternary In Java
02:12:58 - When Expression
02:17:15 - More on When Expression
02:21:16 - When booleans are null
02:24:20 - Intro
02:25:30 - Arrays
02:33:48 - Arrays Part 2
02:38:31 - Lists
02:44:51 - Mutable Lists
02:49:50 - Descructuring
02:53:14 - Never Mix Types
02:55:47 - For Loop
03:01:17 - Indices
03:05:57 - Range DownTo and Step
03:10:40 - Loop Through Strings
03:11:56 - forEach
03:14:31 - While loop
03:20:15 - DoWhile
03:22:25 - Break and Continue
03:27:48 - Intro
03:31:10 - Your First Function
03:36:31 - Parameters and Arguments
03:41:15 - Named Arguments
03:42:47 - Default Arguments
03:46:05 - Functions as Arguments
03:52:37 - Return
03:56:42 - Return value from functions
03:59:51 - Single Expression Functions
04:02:04 - Function Return Type Rule
04:03:36 - Return Multiple Values From Functions
04:09:50 - Classes and Objects Overview
04:15:04 - Defining Properties
04:20:17 - Getters and Setters
04:24:49 - Behaviours (Functions)
04:31:15 - Constructors
04:37:33 - Multiple Constructors
04:43:04 - ToString
04:45:52 - Equality with == and ===
04:53:05 - last

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P.S
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❤️ Thanks for watching

How To Use MetaTrader 4 Mobile App (Tutorial For Beginners - Android & iPhone) 2023 Edition 121gamers 3 Views • 2 years ago

This video is a complete tutorial for the MetaTrader 4 mobile application (Android and iPhone) that is suitable for beginners. In this beginner MetaTrader 4 tutorial I show you how to download the app on both Android and iPhone and then I show you how to use it from top to bottom. I have put together a table of contents for the video so that you can jump to any section you need in this tutorial for the Metatrader 4 app.

ACY Securities - http://bit.ly/DT_ACY

Trading Basics Series - http://youtu.be/LLFHHhV1qac&list=PLmF_l6pwZMjwHVpKi0Xre9627UcGt2VQj

Get Started Demo Trading Series - http://youtu.be/Raqr8RdPBx0&list=PLmF_l6pwZMjw_eIKg3GgzvHcJOiTIYaCI

MetaTrader 4 Desktop Tutorial - https://youtu.be/SZFHVgr2x5E

TIME STAMPS
=================================================
[0:00] - Intro
[01:29] - How to download the MetaTrader4 application (Android & iPhone)
[01:59] - Opening the application for the first time
[02:20] - How to log into/manage/remove different broker accounts
[03:52] - Understanding the Quotes screen
[04:50] - How to add, rearrange and remove markets from the Quotes screen
[07:26] - How to change the settings for the Quotes screen
[07:59] - Understanding the Chart screen
[10:02] - How to change the chart type on the Chart screen
[10:27] - How to add, edit and remove indicators on the Chart screen
[10:41] - Add an indicator in a new indicator window
[11:32] - Add indicator to existing indicator window
[12:08] - Amend existing indicator settings
[12:33] - Delete an indicator
[12:59] - How to use the Crosshair tool
[13:21] - How to use the Multi-menu
[13:40] - How to add and use the Drawing tools
[14:57] - How to amend the Drawing tool settings
[15:36] - How to delete a Drawing tool
[15:48] - How to open a Trade
[19:10] - Understanding the Trade screen
[21:47] - How to arrange the trade screen list
[22:07] - How to open a trade from the Trade screen
[22:18] - How to Close or Modify a Trade or Pending Order
[23:11] - Understanding the Trade History screen
[25:13] - Understanding the News screen
[25:33] - Understanding the Messages screen
[26:15] - Using the Sidebar Menu
[26:37] - Understanding the Mailbox screen
[26:59] - Understanding the Economic Calendar screen
[27:28] - Understanding the Settings screen
[30:01] - Understanding the Journal screen
[30:29] - MQL5 Redirects - Account Monitoring, Traders Community & Trading Applications
[30:47] - Brokerage used - ACY Securities
[31:08] - Bonus tip - makeshift Ruler tool
[31:49] - Outro

TRADINGVIEW
=================================================
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MUSIC USED
=================================================
Epidemic Sound - Dylan Sitts (artist) - Brontosaurus (song title)

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PREVIOUS VIDEO
=================================================
My Previous Video - https://youtu.be/by6ElzX7r1E

SOCIAL LINKS
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Subscribe to the YouTube Channel for more videos: https://www.youtube.com/c/DisciplinedTraderUK

Check out the Disciplined Trader blog: http://www.disciplinedtrader.co.uk

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Create GUI App with Tkinter and SQLite - Step by Step Python Tutorial for Beginners 121gamers 3 Views • 2 years ago

Today we will create a highly sophisticated Tkinter application, which is PERFECT for beginners and even intermediate Python developers!! 💻💻💻
In this tutorial, we will:
⭐ connect an SQLite database of recipes to our app.
⭐ create a BEAUTIFUL graphic user interface with Tkinter.
⭐ randomly shuffle recipes and display them on the app.
⭐ preprocess table records.
⭐ use CUSTOM FONTS with Tkinter (works with Windows only).

I will guide you step by step, explaining each command, the logic behind it and even different approaches we can take!
This tutorial is designed especially for folks who are comfortable with Python but struggle to apply it in practice. Additionally, complete Python beginners will get all the instructions they need to keep up the phase! 😀

🛑🛑 Convert This App into a Professional Software 🛑🛑
-----------------------------------------------------------------------------------------------------------
Tutorial is now available (including a relational database fix!!!):
https://youtu.be/p3tSLatmGvU
-----------------------------------------------------------------------------------------------------------

Download Starter Files (and Complete Project Files):
https://github.com/MariyaSha/R....andomRecipePicker/bl

Install dependencies (Anaconda):
🐍 conda install -c anaconda tk
🐍 conda install -c anaconda pillow
🐍 conda install -c anaconda numpy
🐍 conda install -c conda-forge pyglet

Install dependencies (Pip):
🐍 pip install tkinter
🐍 pip install pillow
🐍 pip install numpy
🐍 pip install pyglet

----------------------------------------------------------
📽️ Other Related Tutorials of Mine 📽️
----------------------------------------------------------
⭐ Install Python with Anaconda:
https://youtu.be/MUZtVEDKXsk
⭐ SQLite Basics:
https://youtu.be/Ohj-CqALrwk
⭐ Web Scrape Databases with SQLite and Mechanical Soup:
https://youtu.be/MkGQmZoMuRM
⭐ Create simple GUI app with Tkinter:
https://youtu.be/itRLRfuL_PQ
⭐ Create advanced GUI app with Tkinter:
https://youtu.be/y8PR4lTAh5E

----------------------------------------------------------
⏰TIME STAMPS ⏰
----------------------------------------------------------
00:00 - intro
00:25 - starter files and wireframe
01:09 - create empty Tkinter window
01:33 - run Tkinter app
02:43 - set window title
02:58 - center window on the screen (Eval method)
04:00 - create Frame widget with custom width, height and background
05:32 - center window with Geometry method (alternative approach)
06:58 - create image widget
10:03 - center widgets in frame with pack propagate
11:01 - create Label widget
11:49 - fonts in Tkinter
13:20 - create Button widget
13:56 - change cursor to pointing hand
14:47 - button callback and why lambda is important
16:21 - add padding around widgets
17:05 - code refactoring
20:08 - connect SQLite database file
22:01 - database architecture walkthrough
23:54 - select all table names of a database with SQL
25:18 - fetch random database tables with SQL and NumPy
26:25 - fetch table records
27:56 - preprocess table name and records
30:09 - conditional list comprehension
34:45 - switch between frames
38:31 - remove widgets from frame
40:43 - sticky (remove white corners)
41:45 - label background in full window width
42:41 - use CUSTOM FONTS in Tkinter
43:24 - Pyglet
45:23 - Thanks for watching! :)

-------------------------------------------
🤝 Connect with me 🤝
-------------------------------------------
🔗 Github:
https://github.com/mariyasha
🔗 Discord:
https://discord.com/invite/wgTTmsWmXA
🔗 LinkedIn:
https://ca.linkedin.com/in/mariyasha888
🔗 Twitter:
https://twitter.com/mariyasha888
🔗 Blog:
https://www.pythonsimplified.org

-------------------------------------------
💳 Credits 💳
-------------------------------------------
⭐ Database web scraped from:
https://cosylab.iiitd.edu.in/recipedb/
⭐Switch between frames on StackOverflow:
https://stackoverflow.com/ques....tions/7546050/switch
⭐ Beautiful icons:
flaticon.com