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دوره 3 ساعته PostgreSQL

PostgreSQL Tutorial Full Course 2022

I provide here in this PostgreSQL tutorial a full course you can use to master PostgreSQL. Postgres is an object relational database that is just as fast as MySQL that adheres more closely to SQL standards and excels at concurrency. Postgres is also superior at avoiding data corruption.

TABLE OF CONTENTS
00:00 Intro
00:30 Why Use Postgres?
01:13 What is a Database
03:12 Change Database Theme
03:53 Create a Database
04:46 Design a Database
05:50 Turn Invoice into a Database
07:04 Make a Table
12:13 Data Types
16:36 Adding Data to Table
18:15 To See Data
18:25 SELECT
19:19 Create Custom Type
20:48 Change Column Data Type
22:58 Thinking About Tables
25:37 Breaking Up Tables
27:03  Primary & Foreign Keys
32:40 Foreign & Primary Keys
33:28 Altering Tables Many Examples
53:00 Getting Data from One Table
53:40 Where
54:30 Conditional Operators
55:48 Logical Operators
58:12 Order By
59:32 Limit
1:01:45 GROUP BY
1:03:11 Distinct
1:05:00 Getting Data from Multiple Tables
1:05:21 Inner Join
1:08:50 Join 3 Tables
1:13:15  Arithmetic Operators
1:13:45 Join with Where
1:14:55 Outer Joins
1:17:03 Cross Joins
1:18:16 Unions
1:19:27 Extract
1:21:05 IS NULL
1:22:03 SIMILAR LIKE & ~
1:29:25 GROUP BY
1:31:14  HAVING
1:32:18  AGGREGATE FUNCTIONS
1:34:22 WORKING WITH VIEWS
1:45:01 SQL Functions
1:49:00 Dollar Quotes
1:50:06 Functions that Return Void
1:52:38 Get Maximum Product Price
1:53:39 Get Total Value of Inventory
1:54:26 Get Number of Customers
1:56:15 Named Parameters
2:01:30 Return a Row / Composite
2:03:38 Get Multiple Rows
2:07:08 PL/pgSQL
2:11:35 Variables in Functions
2:15:55 Store Rows in Variables
2:19:17 IN INOUT and OUT
2:21:01 Using Multiple Outs
2:25:56 Return Query Results
2:33:42 IF ELSEIF and ELSE
2:38:48  CASE Statement
2:42:01 Loop Statement
2:45:20 FOR LOOP
2:48:34 Result Sets, Blocks & Raise Notice
2:51:11 For Each and Arrays
2:53:20 While Loop
2:54:54 Continue
3:01:34 Stored Procedures
3:09:35 Triggers
3:29:25 Cursors
3:39:45 Installation 

دوره 3 ساعته PostgreSQL
اشتراک‌ها
NetVips 1.0 کتابخانه‌ای برای کار با تصاویر مخصوص Mono/.NET

NetVips is a wrapper for the libvips image processing library. It's a bit like Magick.NET, but typically 8x faster. It's API-stable, supports around 300 image-processing operations, and a good range of image formats is supported.

NuGet package: https://www.nuget.org/packages/NetVips

There's a benchmark here: https://github.com/kleisauke/net-vips/tree/master/tests/NetVips.Benchmarks

Formatted docs, including a tutorial and full API: https://kleisauke.github.io/net-vips/

Blog post: https://jcupitt.github.io/libvips/2018/04/10/libvips-for-dot-net.html

NetVips 1.0 کتابخانه‌ای برای کار با تصاویر مخصوص Mono/.NET
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انتشار رسمی ماشین‌های مجازی مخصوص Windows 10 version 2004

When a VM is loaded, it contains

  • Windows 10, version 2004 (10.0.19041.0)
  • Windows 10 SDK, version 2004 (10.0.19041.0)
  • Visual Studio 2019 (latest as of 6/15/20) with the UWP, .NET desktop, and Azure workflows enabled and also includes the Windows Template Studio extension
  • Visual Studio Code (latest as of 6/15/20)
  • Windows Subsystem for Linux enabled with Ubuntu installed
  • Developer mode enabled 
انتشار رسمی ماشین‌های مجازی مخصوص Windows 10 version 2004
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ابزارهای کار از راه دور با Visual Studio 2015
Remote Tools for Visual Studio 2015 enables remote debugging, remote testing, and unit testing on computers that don't have Visual Studio installed. This set of tools also enables the installation of a developer license, and the deployment and performance profiling of Windows apps on computers that are running Windows 8 or Windows 8.1.
ابزارهای کار از راه دور با Visual Studio 2015
اشتراک‌ها
مفاهیم و اصول OOP
یک سری پنج قسمتی ...
This article will cover almost every OOPS concept that a novice/beginner developer may hunt for, and not only beginners, the article’s purpose is to be helpful to experienced professionals who may need to brush-up on their concepts or who prepare for interviews. 
مفاهیم و اصول OOP
نظرات مطالب
مراحل تنظیم Let's Encrypt در IIS
- آیا مراحل آزمایش دسترسی به مثال emptyTextFile را که در نظرات فوق بررسی شد، انجام دادید؟
- دقیقا چه خطایی دریافت کردید؟ دقیقا مرورگر چه چیزی را نمایش می‌دهد؟ خصوصا جزئیات برگه‌ی network قسمت developer tools آن.
- در event viewer ویندوز خطایی ثبت شده؟
- جزئیات تصویر «قسمت Binding سایت » را در مطلب فوق بررسی کردید؟ وجود دارد؟ درست تنظیم شده؟
- دستور netstat -o -n -a | findstr 0.0:443 را اجرا کنید تا مشخص شود چه برنامه‌ای از پورت 443 استفاده می‌کند. شاید برنامه‌ی دیگری آن‌را اشغال کرده‌است. یک pid را مشخص می‌کند که در task manager قابل یافتن است.