Материалы по теме 'webdev' | DevsDay.ru

IT-блоги Материалы по теме 'webdev'

IT-блоги Материалы по теме 'webdev'


Разработка DZone Web Dev 22 мая 2022 г. 17:34

The NonNullable type is a utility type in TypeScript that creates a new type, whilst removing all null or undefined elements. It lets us take existing types, and modify them so they are more suitable in certain situations. Let's look at how it works...... читать далее

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Разработка DZone Web Dev 18 мая 2022 г. 11:58

We've covered a lot of Linux commands, and it's sometimes necessary to write the same command repeatedly. We can use the alias command on Linux and other Unix-like systems to avoid the drudgery of typing the same thing often. It lets us make custom c...... читать далее

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Разработка DZone Web Dev 17 мая 2022 г. 14:06

In CSS, we make selections of different devices by using media queries. Media queries give us an easy way to select devices based on numerous conditions, such as screen size, pixel density, or even format: i.e., print or screen. This has progressivel...... читать далее

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Разработка DZone Web Dev 16 мая 2022 г. 13:39

Previously, I covered how if-else logic works in Svelte. Today, I'll be going over how to use each logic in Svelte, letting us iterate over objects to display their contents. If you're new to Svelte, read my guide on how to create your first S...... читать далее

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Разработка DZone Web Dev 11 мая 2022 г. 18:37

Vue is a reactive language, meaning when the data changes, we can automatically have that represent itself in the HTML. To help us with this, we can use watchers in vue to watch for a change in data, and then do something to the HTML, or send a messa...... читать далее

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Разработка DZone Web Dev 11 мая 2022 г. 13:22

A common concept in software engineering, in general, is the idea of reference versus value. JavaScript has an interesting way of storing variables, objects, and functions, and misunderstanding this can lead to confusion further down the road. Develo...... читать далее

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Разработка DZone Web Dev 10 мая 2022 г. 17:21

Sometimes in JavaScript, we have an object which we need to conform to a specific set of keys. This is possible through type enforcement in TypeScript, but if we want to do certain things if the keys don't exist, then we have to take a different appr...... читать далее

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Разработка DZone Web Dev 9 мая 2022 г. 18:58

Like other frameworks, Vue has a number of lifecycle hooks that allow us to attach code to specific events that occur while a Vue application is being created or used - for example, when the component loads, when a component is added to the DOM, or w...... читать далее

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Разработка DZone Web Dev 5 мая 2022 г. 14:17

Redis is an in-memory store that is primarily used as a database. You may have heard of Redis and heard how cool it is but never had an actual use case for it. In this tutorial, I'll show you how you can leverage Redis to speed up your Server Side Re...... читать далее

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Разработка DZone Web Dev 1 мая 2022 г. 2:01

Hi, I’m Valerio Barbera, software engineer, founder, and CTO at Inspector. One of the most useful features of Laravel is the tasks scheduling system. The official documentation clearly explains what it is for:... читать далее

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Разработка DZone Web Dev 30 апреля 2022 г. 15:26

The TypeScript Parameters Type is used to take the parameters or arguments of a function and create a new type based on them. It is quite useful when we know that the input of a Function conforms to a certain type, and we want to replicate that. In t...... читать далее

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Разработка DZone Web Dev 29 апреля 2022 г. 19:59

The TypeScript Pick type is a utility type that is used to create a new custom Type, based on an already existing one. It is the opposite of the Omit Type. Let's look at how it works. Custom Types We are using custom types in this guide. If you're ne...... читать далее

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Разработка DZone Web Dev 27 апреля 2022 г. 17:27

TypeScript provides a number of utility types that are used to solve a particular problem that using types in Javascript creates. One very useful utility type used in TypeScript is the Omit type, which lets us customize an already existing type. Let'...... читать далее

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Разработка DZone Web Dev 26 апреля 2022 г. 17:55

Renaming files is something that occurs frequently, and in Linux on the terminal, there are many ways to rename files. Let's look at some of the main ways you can rename your files on Linux and other Unix-based systems like MacOS. Renaming Files Wit...... читать далее

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Разработка DZone Web Dev 25 апреля 2022 г. 18:18

TypeScript has a number of utility types, which are types specifically created by TypeScript to solve a problem. In this article, let's look at the Readonly type. TypeScript Readonly Type As the name suggests, the Readonly type in TypeScript suggests...... читать далее

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Разработка DZone Web Dev 22 апреля 2022 г. 17:14

Sometimes when creating inset borders, we want to set them at different distances from the edge of the element. There are several ways to do this in CSS, which can all be applicable depending on the situation you find yourself in. Let's look at the d...... читать далее

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Разработка DZone Web Dev 22 апреля 2022 г. 16:46

Vue gives us a lot of powerful features when it comes to manipulating the DOM. It simplifies the job of maintaining states, to creating UIs which are easy to maintain, and fun to use. One thing Vue does really well is removing the need for direct DOM...... читать далее

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Разработка DZone Web Dev 21 апреля 2022 г. 18:19

The mv command, short for the move, lets us move files and directories between two locations on Linux and other Unix-like systems (i.e. MacOS). The syntax for mv can be found below, where [OPTIONS] are optional settings you can use, SOURCE is the sin...... читать далее

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Разработка DZone Web Dev 21 апреля 2022 г. 1:09

Like other modern frameworks such as Vue and React, Svelte allows for logic within components. In this article, we'll look at how if and else statement logic works in Svelte outside of Javascript. Using If-Else Statements in Svelte Let's create a new...... читать далее

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Разработка DZone Web Dev 20 апреля 2022 г. 17:57

Typescript generics are a way to take a function that has an argument that we can define when we call that argument - the same way we can change an argument of a function when we call it. If you're new to the concept of Typescript generics, then read...... читать далее

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