Канал: Tanya WebDev

Transaction isolation levels in DBMS - explanation

Transaction isolation levels in DBMS - explanation

Database locks: types and levels

Database locks: types and levels

Concurrency issues with transactions and common solutions

Concurrency issues with transactions and common solutions

Transaction Durability (ACID) explanation

Transaction Durability (ACID) explanation

Transaction Isolation (ACID) explanation

Transaction Isolation (ACID) explanation

Transaction Consistency (ACID) explanation

Transaction Consistency (ACID) explanation

Transaction Atomicity (ACID) explanation

Transaction Atomicity (ACID) explanation

Transaction & ACID explanation

Transaction & ACID explanation

Why databases are typically not normalized beyond the 4NF?

Why databases are typically not normalized beyond the 4NF?

Forth Normal Form (4NF) in DBMS - explanation with example

Forth Normal Form (4NF) in DBMS - explanation with example

Boyce-Codd Normal Form (BCNF) in DBMS - explanation with example

Boyce-Codd Normal Form (BCNF) in DBMS - explanation with example

Third Normal Form (3NF) in DBMS - explanation with example

Third Normal Form (3NF) in DBMS - explanation with example

Second Normal Form (2NF) in DBMS - explanation with example

Second Normal Form (2NF) in DBMS - explanation with example

First Normal Form (1NF) in DBMS - explanation with example

First Normal Form (1NF) in DBMS - explanation with example

Unnormalized Form (UNF) in DBMS - explanation with example

Unnormalized Form (UNF) in DBMS - explanation with example

Forms of Database normalization

Forms of Database normalization

What is DB normalization? Why do we need it?

What is DB normalization? Why do we need it?

Symfony 6 Email microservice - creating custom Argument Resolver

Symfony 6 Email microservice - creating custom Argument Resolver

Symfony 6 Email microservice - Templated Email | Mail Catcher

Symfony 6 Email microservice - Templated Email | Mail Catcher

Prototype design pattern - explanation with PHP code example

Prototype design pattern - explanation with PHP code example

Abstract Factory design pattern - explanation with example

Abstract Factory design pattern - explanation with example

Factory Method design pattern - explanation with example

Factory Method design pattern - explanation with example

GoF patterns or Gang of Four design patterns

GoF patterns or Gang of Four design patterns

HTTP response status codes

HTTP response status codes

OOP principles – simple explanation of an interview question

OOP principles – simple explanation of an interview question

What are the methods of communication between microservices?

What are the methods of communication between microservices?

Microservices architecture – simple explanation of an interview question

Microservices architecture – simple explanation of an interview question

SOLID principles – simple explanation of an interview question

SOLID principles – simple explanation of an interview question

DIP or Dependency Inversion Principle - fifth from the SOLID principles

DIP or Dependency Inversion Principle - fifth from the SOLID principles

ISP or Interface Segregation Principle - forth from the SOLID principles

ISP or Interface Segregation Principle - forth from the SOLID principles

LSP or Liskov Substitution Principle - third from the SOLID principles

LSP or Liskov Substitution Principle - third from the SOLID principles

OCP or Open/Closed Principle - second from the SOLID principles

OCP or Open/Closed Principle - second from the SOLID principles

SRP or Single Responsibility Principle - first from the SOLID principles

SRP or Single Responsibility Principle - first from the SOLID principles

YAGNI software design principle

YAGNI software design principle

KISS software design principle

KISS software design principle

DRY software design principle

DRY software design principle

Symfony 6 Microservice - Pub-Sub/ Command patterns | Queues (Messenger & RabbitMQ) | Data validation

Symfony 6 Microservice - Pub-Sub/ Command patterns | Queues (Messenger & RabbitMQ) | Data validation

Symfony 6 Microservice in DDD style - Sending Emails via Mailer Bundle (Gmail & Amazon SES)

Symfony 6 Microservice in DDD style - Sending Emails via Mailer Bundle (Gmail & Amazon SES)

Symfony 6 - Localization of Forms and Validation

Symfony 6 - Localization of Forms and Validation

Symfony 6 - Translation tutorial / Translation bundle

Symfony 6 - Translation tutorial / Translation bundle

TOP 9 terminal commands for Debugging Symfony 6 App

TOP 9 terminal commands for Debugging Symfony 6 App

Symfony 6 & Custom Bundle - tutorial how to create (best practices)

Symfony 6 & Custom Bundle - tutorial how to create (best practices)

JWT FAQ - What is this? How does it work? What does it consist of?

JWT FAQ - What is this? How does it work? What does it consist of?

Symfony 6 & JWT Authentication tutorial for beginners

Symfony 6 & JWT Authentication tutorial for beginners

Symfony 6 & PHPUnit - Application tests tutorial (Part 1)

Symfony 6 & PHPUnit - Application tests tutorial (Part 1)

PHPUnit - Stubs vs Mocks (difference and examples how to use)

PHPUnit - Stubs vs Mocks (difference and examples how to use)

How I pass LinkedIn's PHP Assessment Test in 2023? Top 5% result

How I pass LinkedIn's PHP Assessment Test in 2023? Top 5% result

Symfony 6 & PHPUnit - Unit & Integration tests tutorial

Symfony 6 & PHPUnit - Unit & Integration tests tutorial

Symfony 6 - How to manage JS in Symfony app using Webpack?

Symfony 6 - How to manage JS in Symfony app using Webpack?

Symfony 6 - How to install and integrate Bootstrap CSS & JS using Webpack Encore?

Symfony 6 - How to install and integrate Bootstrap CSS & JS using Webpack Encore?

Symfony 6 - How to manage CSS in Symfony app using Webpack?

Symfony 6 - How to manage CSS in Symfony app using Webpack?

Symfony 6 - Configuring Webpack Encore

Symfony 6 - Configuring Webpack Encore

Symfony 6 - How to install Webpack Encore?

Symfony 6 - How to install Webpack Encore?

Symfony 6 - What is Webpack & Webpack Encore?

Symfony 6 - What is Webpack & Webpack Encore?

Symfony 6 - Webpack Encore (managing CSS and JS)

Symfony 6 - Webpack Encore (managing CSS and JS)

How to install Node.js & NPM in Linux Ubuntu 22.04 LTS

How to install Node.js & NPM in Linux Ubuntu 22.04 LTS

Symfony 6 - Security bundle: registration, pass hashing, login, logout, access control

Symfony 6 - Security bundle: registration, pass hashing, login, logout, access control

Symfony 6 - Twig template namespaces or how to store Twig templates in a non-default folder

Symfony 6 - Twig template namespaces or how to store Twig templates in a non-default folder

Symfony 6 - Template inheritance and layouts

Symfony 6 - Template inheritance and layouts

Symfony 6 - How to embed in a Twig template the result of executing some Controller?

Symfony 6 - How to embed in a Twig template the result of executing some Controller?

Symfony 6 - How to include template fragment in other Twig templates?

Symfony 6 - How to include template fragment in other Twig templates?

Symfony 6 - How to check the existence of a Twig template?

Symfony 6 - How to check the existence of a Twig template?

Symfony 6 - How to render templates in Controllers, Services and from a Route?

Symfony 6 - How to render templates in Controllers, Services and from a Route?

Symfony 6 - asset() function for linking to CSS, JS and images

Symfony 6 - asset() function for linking to CSS, JS and images

Symfony 6 - How to create links in a Twig template using path() and url() functions?

Symfony 6 - How to create links in a Twig template using path() and url() functions?

Symfony 6 - How to create a Twig template? Naming conventions | Variables

Symfony 6 - How to create a Twig template? Naming conventions | Variables

Symfony 6 - What is Twig templating language?

Symfony 6 - What is Twig templating language?

Symfony 6 - How to install Twig Bundle Component?

Symfony 6 - How to install Twig Bundle Component?

Symfony 6 - Twig templates

Symfony 6 - Twig templates

Symfony 6 Messenger - How to create you own Middleware?

Symfony 6 Messenger - How to create you own Middleware?

Symfony 6 Messenger & RabbitMQ tutorial - How to set up and work with it (asynchronous tasks)?

Symfony 6 Messenger & RabbitMQ tutorial - How to set up and work with it (asynchronous tasks)?

How to Work with Doctrine Associations / Relations? OneToOne relation

How to Work with Doctrine Associations / Relations? OneToOne relation

Symfony 6 & Doctrine ORM - How to query for objects (DQL, Query Builder, SQL)?

Symfony 6 & Doctrine ORM - How to query for objects (DQL, Query Builder, SQL)?

Symfony 6 - Databases and the Doctrine ORM (CRUD operations)

Symfony 6 - Databases and the Doctrine ORM (CRUD operations)

PostgreSQL - How to work with aggregate functions?

PostgreSQL - How to work with aggregate functions?

PostgreSQL - How to delete rows in a table?

PostgreSQL - How to delete rows in a table?

PostgreSQL - How to update a row in a table?

PostgreSQL - How to update a row in a table?

PostgreSQL - How to join tables (inner & outer join)?

PostgreSQL - How to join tables (inner & outer join)?

PostgreSQL - How to select data from a table?

PostgreSQL - How to select data from a table?

PostgreSQL - How to add rows in a table?

PostgreSQL - How to add rows in a table?

PostgreSQL - How to set up DB, connect to it and create first table?

PostgreSQL - How to set up DB, connect to it and create first table?

Symfony 6 - How to use request as a controller argument?

Symfony 6 - How to use request as a controller argument?

Symfony 6 - Flash messages as the part of session

Symfony 6 - Flash messages as the part of session

Symfony 6 - How to use session object as a controller argument?

Symfony 6 - How to use session object as a controller argument?

Symfony 6 - How to fetch services in a controller arguments?

Symfony 6 - How to fetch services in a controller arguments?

Symfony 6 - How to return a 404 controller response?

Symfony 6 - How to return a 404 controller response?

Symfony 6 - How to return a binary file response object in a controller?

Symfony 6 - How to return a binary file response object in a controller?

Symfony 6 - How to return controller response in XML format?

Symfony 6 - How to return controller response in XML format?

Symfony 6 - Controller response type: rendering templates

Symfony 6 - Controller response type: rendering templates

Symfony 6 - Controller response type: redirecting

Symfony 6 - Controller response type: redirecting

Symfony 6 - How to create controller using Symfony MakerBundle?

Symfony 6 - How to create controller using Symfony MakerBundle?

Symfony 6 - What the controller contains?

Symfony 6 - What the controller contains?

Symfony 6 - How to create controller using IDE?

Symfony 6 - How to create controller using IDE?

Symfony 6 - What is a controller?

Symfony 6 - What is a controller?

Symfony 6 - How to get configuration parameters in controllers and services?

Symfony 6 - How to get configuration parameters in controllers and services?

Symfony 6 - env vars debugging

Symfony 6 - env vars debugging

Symfony 6 - How to configure env vars in production?

Symfony 6 - How to configure env vars in production?

Symfony 6 - How to override environment values?

Symfony 6 - How to override environment values?

Symfony 6 - .env file syntax

Symfony 6 - .env file syntax

Symfony 6 - Configuring environment variables in .env files

Symfony 6 - Configuring environment variables in .env files

Symfony 6 - How to reference env vars value from other configuration files?

Symfony 6 - How to reference env vars value from other configuration files?

Symfony 6 - Configuration based on environment variables

Symfony 6 - Configuration based on environment variables

Symfony 6 - Algorithm for creating a new environment

Symfony 6 - Algorithm for creating a new environment

Symfony 6 - How to select the active environment?

Symfony 6 - How to select the active environment?

Symfony 6 - Special WHEN keyword for defining options for different environments

Symfony 6 - Special WHEN keyword for defining options for different environments

Symfony 6 - Configuration environments

Symfony 6 - Configuration environments

Symfony 6 - How to reference parameter value from other configuration files?

Symfony 6 - How to reference parameter value from other configuration files?

Symfony 6 - Configuration parameters

Symfony 6 - Configuration parameters

Symfony 6 - How to import configuration files in YAML, PHP and XML formats?

Symfony 6 - How to import configuration files in YAML, PHP and XML formats?

Symfony 6 - Configuration formats

Symfony 6 - Configuration formats

Symfony 6 - Default Symfony configuration files

Symfony 6 - Default Symfony configuration files

Symfony 6 - Configuration | Env Vars

Symfony 6 - Configuration | Env Vars

Symfony 6 - Generating URLs

Symfony 6 - Generating URLs

Symfony 6 - Stateless routes

Symfony 6 - Stateless routes

Symfony 6 - Routing for the multilingual application

Symfony 6 - Routing for the multilingual application

Symfony 6 - Sub-domain routing (host option)

Symfony 6 - Sub-domain routing (host option)

Symfony 6 - How to redirect to URLs directly from a route?

Symfony 6 - How to redirect to URLs directly from a route?

Symfony 6 - How to render a template directly from a route?

Symfony 6 - How to render a template directly from a route?

Symfony 6 - How to get the route name and parameters?

Symfony 6 - How to get the route name and parameters?

Symfony 6 - How to change route name (aliasing) and how to deprecate route?

Symfony 6 - How to change route name (aliasing) and how to deprecate route?

Symfony 6 - Routing (special routes, sub-domain, routing for multilingual app, generating URLs)

Symfony 6 - Routing (special routes, sub-domain, routing for multilingual app, generating URLs)

Symfony 6 - Route groups and prefixes

Symfony 6 - Route groups and prefixes

Symfony 6 - Slash characters in route parameters

Symfony 6 - Slash characters in route parameters

Symfony 6 - Extra route parameters in default option

Symfony 6 - Extra route parameters in default option

Symfony 6 - Special route parameters created by Symfony

Symfony 6 - Special route parameters created by Symfony

Symfony 6 - Route priority option

Symfony 6 - Route priority option

Symfony 6 - How to define default value of the route parameter?

Symfony 6 - How to define default value of the route parameter?

Symfony 6 - Route parameters validation (requirements option)

Symfony 6 - Route parameters validation (requirements option)

Symfony 6 - What is route parameters?

Symfony 6 - What is route parameters?

Symfony 6 - Matching expressions in routes (condition option)

Symfony 6 - Matching expressions in routes (condition option)

Symfony 6 - How to debug routes?

Symfony 6 - How to debug routes?

Symfony 6 - HTTP Request Methods in routes | GET, POST, PUT, DELETE

Symfony 6 - HTTP Request Methods in routes | GET, POST, PUT, DELETE

Symfony 6 - How to create routes using XML format?

Symfony 6 - How to create routes using XML format?

Symfony 6 - How to create routes using PHP format?

Symfony 6 - How to create routes using PHP format?

Symfony 6 - How to create routes using Annotations?

Symfony 6 - How to create routes using Annotations?

Symfony 6 - How to create routes using Attributes?

Symfony 6 - How to create routes using Attributes?

Symfony 6 - How to create routes using YAML format?

Symfony 6 - How to create routes using YAML format?

Symfony 6 - Routing (creating, debugging, condition option, parameters, groups and prefixes)

Symfony 6 - Routing (creating, debugging, condition option, parameters, groups and prefixes)

Symfony 6 - The controller

Symfony 6 - The controller

Contact book project - CRUD in the table - Symfony

Contact book project - CRUD in the table - Symfony

Contact book project - Twig - How to use it to fill cells of the table using data from DB

Contact book project - Twig - How to use it to fill cells of the table using data from DB

Contact book project - How to create custom Validator in Symfony

Contact book project - How to create custom Validator in Symfony

Contact book project - How to validate forms in Symfony?

Contact book project - How to validate forms in Symfony?

Contact book project - How to create and render forms in Symfony?

Contact book project - How to create and render forms in Symfony?

How to alias a command in Linux?

How to alias a command in Linux?

Simple file manager using Symfony / How to upload, download and delete files

Simple file manager using Symfony / How to upload, download and delete files

Lesson 5 - PHPUnit (tests & coverage report) - how to set up?

Lesson 5 - PHPUnit (tests & coverage report) - how to set up?

Lesson 4 - The simplest way how to deploy Symfony App in AWS - for total beginner

Lesson 4 - The simplest way how to deploy Symfony App in AWS - for total beginner

Lesson 3 - How to set up PostgreSQL inside Symfony application?

Lesson 3 - How to set up PostgreSQL inside Symfony application?

Lesson 2 - Xdebug in Docker container & how to configure in PhpStorm

Lesson 2 - Xdebug in Docker container & how to configure in PhpStorm

Lesson 1 - How to create Docker container with Symfony App inside

Lesson 1 - How to create Docker container with Symfony App inside

Snake game - how to code in HTML5 Canvas & JS

Snake game - how to code in HTML5 Canvas & JS

Rocket preloader with the help of HTML and CSS

Rocket preloader with the help of HTML and CSS

The simplest way to make a calculator in JS

The simplest way to make a calculator in JS

Animated valentine with the help of HTML, CSS, JS

Animated valentine with the help of HTML, CSS, JS

Dino Game - how to code in pure HTML, CSS, JS

Dino Game - how to code in pure HTML, CSS, JS