Programming languages

Passing Laravel Certification exam

Mar 7, 2019 by Sergey Podgornyy

Laravel Complexity: All#laravel #certification #exam #php #test

Almost one year passed since I passed Laravel Certification, so I want to share with you my experience how I prepared and passed this exam, what you have to learn and how to feel you are ready to pass it.

ECMAScript 10 - JavaScript this year

Feb 7, 2019 by Sergey Podgornyy

ES2015+ Complexity: All#javascript #ecmascript #es-2019 #frontend #web

Standardization of JS has moved to a year-long update cycle, and the beginning of the year is a great time to find out what awaits us in the anniversary - the tenth edition of EcmaScript!

Handling large files on S3 with Laravel

Dec 5, 2018 by Sergey Podgornyy

Laravel Complexity: Medium#aws #s3 #laravel #amazon-web-services #storage

Working with large files in storage can cause an application to be out of memory as it loads the entire file into RAM before sending it to the storage. To save memory usage we need to work with streams.

PHP variables under the hood

Sep 13, 2018 by Sergey Podgornyy

PHP Complexity: High#php #zval #under-the-hood #variables #refcount

We all know how to create a variable, how to get the value of a variable, and how to take a reference to a variable. Let's have a learn what happens in the interpreter when you change the value of a variable? Or when you delete it? How are the types of variables implemented?

Fetch synchronous geolocation from browser

Sep 3, 2018 by Sergey Podgornyy

ES2015+ Complexity: Medium#es-2015 #geolocation #javascript #promises #web

For some web application, you probably need to ask a user to share his/her location with you. Native web browser behaviour asks you to use an outdated approach to get it using callbacks. But we'll show you how to make this request synchronously using the new JavaScript features.

Thumbnail | Synchronous data requests using fetch

Synchronous requests using fetch

Sep 3, 2018 by Sergey Podgornyy

ES2015+ Complexity: Low#es-2015 #asynchronous #async-await #ajax #javascript

Asynchronous functions allows us to program using asynchronous requests in a "synchronous" manner. They could be really useful with ajax calls, for example.

Symfony Request validation

Aug 29, 2018 by Sergey Podgornyy

Symfony Complexity: Medium#symfony #validation #validator #php #step-by-step

Validation is an important task every web developer should care when working with data coming to server. Symfony has Validator component for that, but let's build request auto-validation structure to be sure that data came to our appliction is already valid.

Datastructures in PHP

Aug 22, 2018 by Sergey Podgornyy

PHP Complexity: High#php #datastructures #spl #algorithms #data-processing

The development process in PHP is mostly related to the receipt and processing of data from different sources. Usage of the Standard PHP Library, SPL and knowledge of its composition is an area whose possession can confirm the competence of the PHP developer.