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GraphQL pagination in Rails

GraphQL cursor pagination in Rails. So you implemented some graphQL types but it just turns out that returning bazillions of records with each query introduces some performance issues. "It would b...

Kamil

Kamil Milewski

JavaScript - Part 19 (Closures)

After Immediately Invoked Function Expression, it's time for another very important topic. Closures At the moment, I hope that reading everything from the previous parts will pay off for a better...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 18 (IIFE)

The time has come to meet seen almost everywhere, the very popular IIFEs. Immediately Invoked Function Expressions What is IIFE really? Let's start with the fact that we already know what a Funct...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 17 (Arguments)

It's time to start the topic related to one more special key word that JavaScript engine gives us when we invoke the function. arguments It is next to a special variable: this, another element ge...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 16 (this)

Ok, we have already talked about functions, objects, execution contexts. Now we will return to the last one. this As you remember during Creation Phase, Execution Context creates a special variab...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 15 (By Value, By Reference)

By Value vs By Reference Although this topic is not really that complicated, I will try my best to explain what by value and by reference means. Let's take the first case. In the beginning, let's...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 14 (First Class Functions, Function Expressions/Function Statements)

First Class Functions In this part, we will discuss a topic that I think distinguishes those who only use JavaScript, and those who understand how JavaScript under the hood works. This idea is cal...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 13 (JSON)

JSON If you have not had any previous contact with JSON (JavaSCript Object Notation), it is inspired by Object Literals from JavaScript. Although they look similar, it is often a mistake to think ...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 12 (Objects)

It is time to change the subject a bit. Objects When functions and objects are completely different in other languages, they are very similar in JavaScript. As I mentioned in one of the previous ...

Bartek

Bartosz Łogwiniuk

JavaScript - Part 11 (Coercion, Comparison Operators)

In this part I would like to raise a topic that can be one of the strangest concepts in JavaScript. Coercion By this concept we mean converting a value from one type to another. As it was said be...

Bartek

Bartosz Łogwiniuk