DEV Community: AppCode ⚡

Simple Web Based Code Editor: PenEditor (React, JavaScript, HTML, and CSS)

AppCode ⚡ — Mon, 17 Jul 2023 19:46:42 +0000

Edit and run HTML, JavaScript, React, and CSS in the browser and directly download it to your PC when finished. Open the editor

Edit code in the panel.

Preview the changes!

Format, Save to PC, or run the code...

Create output errors and notifications using the console!

PenEditor

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Here are 20 CSS tricks...

AppCode ⚡ — Mon, 17 Jul 2023 19:35:04 +0000

Here are 20 CSS tricks that you can use to enhance your web development projects:

Centering Elements Horizontally: Use margin: 0 auto; on a block-level element to center it horizontally.
Centering Elements Vertically: Utilize display: flex; and align-items: center; on the parent container to center its child vertically.
Creating Responsive Layouts: Apply media queries with @media to adjust the layout based on different screen sizes.
Creating Equal-Height Columns: Use the CSS display: flex; and flex-grow: 1; properties on column containers to make them equal in height.
Creating a Sticky Footer: Set the min-height of the content container to 100vh and give the footer a fixed position at the bottom using position: fixed;.
Creating Animated Hover Effects: Utilize the transition property to add smooth transitions on hover.
Creating a Gradient Background: Use the background-image property with the linear-gradient function to create gradient backgrounds.
Styling Links: Apply text-decoration: none; to remove the default underline on links and use :hover and :visited pseudo-classes to style link states.
Creating a Drop Cap Effect: Use the ::first-letter pseudo-element to style the first letter of a block of text.
Creating Responsive Images: Use the max-width: 100%; property on images to ensure they scale down properly on smaller screens.
Creating a Modal Box: Use the display: none; property along with the :target pseudo-class to create a modal box that opens when a specific anchor link is clicked.
Creating a Responsive Navigation Menu: Utilize the CSS flexbox or grid layout to create a responsive navigation menu.
Creating a Slideshow: Use the animation property and @keyframes to create a slideshow with CSS animations.
Creating a Fixed Sidebar: Set position: fixed; on the sidebar container to make it stay fixed while scrolling.
Creating a Custom Checkbox/Radio Button: Use the label element along with the input[type="checkbox"] or input[type="radio"] and style them with CSS.
Creating Tooltips: Utilize the ::before or ::after pseudo-elements to create tooltips that appear when hovering over an element.
Creating a Scroll Progress Indicator: Use JavaScript to calculate the scroll position and update the progress indicator's width or height accordingly.
Creating a Parallax Effect: Apply background-attachment: fixed; to a background image to create a parallax scrolling effect.
Creating a Flip Card Effect: Use CSS transform and transition properties to create a card that flips on hover.
Creating a Responsive Video Embed: Wrap the video element in a container and use the padding-top property to maintain its aspect ratio.

Want to see more?

Here are 20 more tricks!

Star Trek & CSS Only Wormhole - Not For Your Eyes - Discuss

AppCode ⚡ — Fri, 17 Feb 2023 02:00:13 +0000

I've create a CSS only wormhole with the Starship Enterprise flying through it at light speed!

Discuss! What do you think? Please Leave your options and suggestions to improve the code below!

Here is some of the code.

HTML

<div class="ship"></div>
<div class="scene scene1">
  <div class="wrap">
      <div class="wall wall-right"></div>
      <div class="wall wall-left"></div>   
      <div class="wall wall-top"></div>
      <div class="wall wall-bottom"></div> 
      <div class="wall wall-back"></div>    
  </div>
  <div class="wrap">
      <div class="wall wall-right"></div>
      <div class="wall wall-left"></div>   
      <div class="wall wall-top"></div>
      <div class="wall wall-bottom"></div>   
      <div class="wall wall-back"></div>    
  </div>
</div>

CSS

Make sure to fill in the background-image src. You can find it in the source code on codepen.io.

wall{
  background: url(https://i.imgur.com/i1xdL.jpeg);
  background-size: cover;
}

html, body{
  height: 100%;
  width: 100%;
  overflow: hidden;
  margin: 0;
}

body{
  background: #000;
  text-align: center;
}

body:before {
  content: '';
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}

.scene {
  display: inline-block;
  vertical-align: middle;
  perspective: 5px;
  perspective-origin: 50% 50%;
  position: relative;
}

.wrap{
  position: absolute;
  width: 1000px;
  height: 1000px;
  left: -500px;
  top: -500px;
  transform-style: preserve-3d;
  animation: move 20s infinite linear;
  animation-fill-mode: forwards;
}

/* .wrap:nth-child(2){
  animation: move 20s infinite linear;
  animation-delay: 6s;
} */

.wall {
  width: 100%;
  height: 100%;
  position: absolute;
/*   animation: fade 20s infinite linear; */
  animation-delay: 0;
}

.wrap:nth-child(2) .wall {
  animation-delay: 6s;
}

.wall-back {
  opacity: 0.5;
}

.wrap .wall-right {
  transform: rotateY(90deg) translateZ(500px);
}

.wrap .wall-left {
  transform: rotateY(-90deg) translateZ(500px);
}

.wrap .wall-top {
  transform: rotateX(90deg) translateZ(500px);
}

.wrap .wall-bottom {
  transform: rotateX(-90deg) translateZ(500px);
}

.wrap .wall-back {
  transform: rotateX(180deg) translateZ(500px);
}

@keyframes move {
  0%{
    transform: translateZ(500px) rotate(0deg);
  }
  100%{
    transform: translateZ(-500px) rotate(0deg);
  }
}

@keyframes fade {
  0%{
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  75% {
    opacity: 1;
  }
  100%{
    opacity: 0;
  }
}

.ship {
  position: absolute;
  z-index: 1;
  top: 120px;
  right: 100px;
  bottom: 0;
  height: 170px;
  width: 350px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  background-image: url('Too Big');
}

@keyframes 🤫 {
  0%{
    filter: hue-rotate(0)
  }
  50% {
    filter: hue-rotate(180deg) saturation(5);
    transform: scaleX(4000);
    perspective: 50px;
  }

  100%{
    filter: hue-rotate(360deg);
  }
}

You can checkout more web development articles and resources on AppCode.

Transform Your Web Design with the CSS Translate Function

AppCode ⚡ — Wed, 15 Feb 2023 12:10:41 +0000

CSS translate function is used to reposition HTML elements using both the tx and ty vectors in the horizontal and/or vertical directions. By changing the value of either the tx or ty coordinates, the position of an element can be changed from its starting position. The translate function is a data type. The first coordinate, tx, is required, and the second coordinate, ty, is optional. The parameters can be either a number or percentage value.

This article explains the syntax, parameters, and examples of using the CSS translate function on elements with CSS transform. The examples illustrate how to apply the translate function to any element or image by using CSS selectors. This article also includes a try-it-out section to show how to use the CSS translate function to create a 3D space using perspective and translateZ.

To learn more about the CSS translate function, check out the article and the examples on the AppCode website. The article provides a detailed explanation of the CSS translate function with examples that demonstrate how to apply the function to HTML elements.

You can also practice using the CSS translate function on Codepen, which is a code editor that allows you to write and run HTML, CSS, and JavaScript code in the browser.

Building a Flower Species Predictor: A Step-by-Step Guide to Creating a Machine Learning Web App with Python Flask

AppCode ⚡ — Wed, 15 Feb 2023 12:01:35 +0000

Machine learning has become an increasingly popular topic in recent years. As technology continues to advance, machine learning has become a key tool for businesses and individuals alike to optimize their decision making processes. In this article, we will explore how Python and Flask Framework can be used to develop machine learning applications.

One of the benefits of Python is its versatility as a programming language. It is well suited for data analysis and has a vast array of libraries that support machine learning. Flask Framework is a web application framework that allows developers to easily build and deploy web applications. Together, Python and Flask Framework can be used to create machine learning applications that can be accessed via the web.

Steps

In order to create a Python app using Flask Framework and machine learning, the following steps are required:

Collect data: The first step in any machine learning project is to collect and clean the data. This can be done using Python libraries such as Pandas or Numpy.

Choose a machine learning model: There are several machine learning models to choose from, depending on the nature of the problem. Some of the popular ones include linear regression, decision trees, and neural networks.
Train the model: Once the data and the model have been selected, the model needs to be trained. This involves feeding the data into the model and adjusting its parameters until it can accurately predict the desired outcome.
Deploy the model: Finally, the trained model needs to be deployed so that it can be accessed via the web. Flask Framework makes this process simple by providing tools to build web applications that can interact with the machine learning model.

Using these steps, a Python app using Flask Framework and machine learning can be created. One example of this is a predictive model that can be used to predict whether a customer is likely to buy a product. The data would be collected from the customer's past purchases, and the model would be trained to predict their future behavior. The app would then be deployed via the web so that customers could access it and receive personalized product recommendations.

Flower Species Predictor

The webpage "Python App using Flask Framework and Machine Learning" provides a detailed guide on how to develop a Python web application using the Flask framework and machine learning techniques. The page is designed for developers with an intermediate level of programming knowledge who are interested in building web applications with machine learning capabilities.

The page starts by introducing the Flask framework and its various features, followed by an overview of machine learning and how it can be used in web applications. The article then explains how to set up a development environment and install the necessary dependencies for the project.

Creating Python Backend for Web App

Creating Web App Frontend With HTML, CSS and Bootstrap

By following the steps outlined in this article, developers can create their own Python app using Flask Framework and machine learning to solve a wide range of problems.

Creating a Gravatar

AppCode ⚡ — Sun, 12 Feb 2023 20:09:45 +0000

Walking through the steps...

A Gravatar, or Globally Recognized Avatar, is a personalized profile picture that follows you across the web, it is made by the same company that created WordPress, and is used within the WordPress software by default to create accounts.

It's a small image that represents you online, appearing beside your name whenever you comment on blogs or participate in forums. In this article, we’ll discuss how to create a Gravatar with a real example using the AppCode web development website.

Here's a simple guide to creating a Gravatar

Here are the steps:

Sign Up for a Gravatar Account To create a Gravatar, you'll need a WordPress.com account. If you don't already have one, you can sign up for free at Gravatar.com.
Add Your Email Address Once you've signed up for a WordPress.com account, head to Gravatar.com and log in. Then, add the email address you want to use for your Gravatar to your profile. This will be the email address that you use to post comments on blogs and forums that support Gravatar.
Upload a Picture Next, you'll need to upload a picture to use as your Gravatar. Your image should be at least 512 pixels square, and in either .jpg, .jpeg, .gif, or .png format. You can either upload a picture from your computer or use an image that's already online.
Crop Your Picture After you've uploaded your picture, Gravatar will ask you to crop it to the right size. You can drag the cropping box to the area of the picture you want to show, then click the "Crop and Finish" button to save your changes.
Use Your Gravatar Once you've completed these steps, your Gravatar will be active and ready to use. Whenever you post a comment on a blog or participate in a forum that supports Gravatar, your picture will appear beside your name.

Real-Life Example

Here is an example of a Gravatar profile made for the website AppCode. The profile includes the link to the website, the description, a logo, and a page background. These assets represent the entity the profile it was created for.

For example, the description summarized: AppCode is a web development website offering HTML, JavaScript, and CSS tutorials and references to build web projects. It targets students and developers seeking high-quality web development resources. Here is a link to the Gravatar profile.

When creating your Gravatar and the profile you can change this field to be whatever you want.

Conclusion

In conclusion, creating a Gravatar is a simple and quick process that can help you build a more personal online presence. Whether you're commenting on blogs or participating in forums, a Gravatar is a great way to add a little bit of personality to your online interactions.

A Few Fun CSS Properties and Functions

AppCode ⚡ — Sun, 12 Feb 2023 20:03:40 +0000

CSS filter property

The CSS filter property allows you to apply visual effects to HTML elements such as changing colors, brightness, contrast, etc. It's a powerful tool for creating unique and eye-catching designs.

Usage:

filter: brightness(2);

CSS blur filter function

The CSS blur filter function allows you to add a blur effect to HTML elements. It can be used to soften or obscure elements, making the overall design more visually interesting. The function is applied using the "blur()" value within the "filter" property in CSS.

Usage:

filter: blur(0.25em);

CSS "where" function

The CSS "where" function is a logical operator that enables conditional statements in CSS, allowing developers to apply styles to elements based on certain conditions. The "where" function is a powerful tool for creating dynamic, responsive designs.

Usage:

a:where(:not(:hover)) {
  text-decoration: none;
  color: blue;
}

Custom Gravatar!

AppCode ⚡ — Sun, 05 Feb 2023 20:27:48 +0000

Step up your online profile with a custom Gravatar! 💻🔥 Our latest article breaks down how to create one, making it easier than ever to have a polished and professional look.

Other Web Development Resources

AppCode contains a wide range of articles and tutorials on everything from CSS animations to responsive design, you'll find everything you need to take your skills to the next level.

Learning Web Development

AppCode ⚡ — Sun, 29 Jan 2023 20:42:45 +0000

There are many resources available for learning web development, including online courses, books, and tutorials. One such resource is the website AppCode, which offers a variety of articles and tutorials on web development.

HTML

One of the first things to learn in web development is HTML, the markup language used to structure web pages. HTML provides the structure of a web page and defines the content and elements such as headings, paragraphs, lists, and links. To learn HTML, check out the article "How To Create Your First HTML Elements With Examples" on AppCode. This resource provides a comprehensive introduction to HTML, including its syntax and elements.

CSS

CSS is another important aspect of web development and is used to style web pages. It provides the visual representation of the web page, including the layout, colors, fonts, and other visual elements. To learn CSS, you can check out the article "How To Use CSS (Cascading Style Sheets) To Style HTML" on AppCode. This resource provides a comprehensive introduction to CSS, including its syntax and style rules.

JavaScript

JavaScript is a programming language used to add interactivity and dynamic behavior to web pages. It allows you to create dynamic and interactive elements, such as buttons, forms, and animations. To learn JavaScript, you can check out the article "JavaScript Fundamentals – A Dinosaurs Cheat Sheet" on AppCode. This article provides a comprehensive introduction to JavaScript, including its syntax, data types, and basic programming concepts.

In conclusion, AppCode is a great resource for learning web development. It offers a variety of articles and tutorials on web development, including HTML, CSS, JavaScript, and web design. By utilizing the articles on this website, you can learn the fundamental concepts and skills necessary to become a successful web developer.

Coding Challenge - Build a Better Version of Snake

The challenge is to build your own version of a snake game and share the code back with a link to the project, blog, codepen, or anything else in the comments below.

Dev.to - Weekly Web Development Newsletter 1/27/23

AppCode ⚡ — Sat, 28 Jan 2023 02:32:47 +0000

"Creating a simple webpage with HTML, CSS, and JavaScript" The webpage is a simple web page example hosted on GitLab. It appears to be a basic webpage template that demonstrates how to create a webpage using HTML, CSS, and JavaScript. It includes a basic layout, with a header, main content area, and a footer. It also includes examples of how to style elements using CSS, and how to add interactivity using JavaScript. It is intended as a starting point for people who are new to web development and want to learn how to create a simple webpage.

"Learning to Code a Simple Webpage" The blog is a Newsbreak article about learning how to code a simple webpage. The article provides an overview of the basic steps and skills needed to create a webpage using HTML, CSS, and JavaScript. It also provides some tips and resources for beginners who are just starting to learn web development. The article is intended to be a starting point for people who are interested in learning how to code a simple webpage and want to learn more about the process and what is required.

"Code Example of an HTML, CSS, and JavaScript Music Visualizer" The webpage is a Github repository for an HTML Music Visualizer. The repository contains the code for a website that allows users to upload music files and then visualizes the audio data in real-time using HTML, CSS, and JavaScript. The visualizer uses the Web Audio API to process the audio data and D3.js library to create the visual representation of the data. The repository includes instructions on how to set up and run the visualizer on a local machine and also contains some example music files to test the visualizer with. It is intended for developers who want to learn how to create a music visualizer using web technologies.

"CSS Layouts in Web Development" The article is a blog post on Hashnode discussing resources for CSS layouts in web development. The post provides an overview of different resources available for understanding and mastering CSS layouts, such as Flexbox, Grid, and other layout frameworks. The post also provides a list of useful tutorials, articles, and tools for learning about CSS layouts and how to use them in web development. The post is intended for web developers who want to improve their skills in creating layouts using CSS.

"Simple CSS Hacks" CSS "hacks" that can be used to achieve certain effects or work around browser inconsistencies. These hacks include using the clip property to hide text, targeting specific versions of Internet Explorer with the * selector, and using display: flex and align-items: center to center an element vertically. The webpage also mentions a tutorial on AppCode that explains how to create a responsive flexbox grid. It is important to note that these hacks may not be supported in the latest versions of browsers or may cause problems on other browsers or devices.

"Building a Simple Webpage and Implementing DevOps" This article is about building a simple webpage and implementing DevOps practices by creating a continuous integration and delivery (CI/CD) pipeline. The webpage is created using HTML, CSS, and JavaScript and displays the text "Hello, World!". A CI/CD pipeline is set up using GitHub Actions, which automatically builds and deploys the webpage every time code is pushed to the repository. The article also mentions that there are other tools available for CI/CD such as Jenkins, Travis CI, and GitLab CI/CD. The article concludes by saying that by following these steps, you can improve collaboration between developers and operations teams and deliver software faster and more reliably.

"Website Structure with HTML Examples" The webpage "Website Structure with HTML Examples" is an explanation on how to structure a website using HTML and provides examples of common website layouts and elements. The webpage starts by discussing the importance of structuring a website in a logical and consistent manner for accessibility and usability. It then goes into detail on common website elements such as headers, footers, navigation, main content, and sidebars. The webpage also provides examples of different website layouts such as one-page, multi-page, and landing page layouts, and includes code snippets and images to demonstrate each example. The webpage concludes by emphasizing the importance of testing and validating the website's code to ensure that it is accessible and compliant with web standards.

"Creating a Responsive Animated Sliding Tab Menu" The webpage provides a tutorial on how to create a responsive and animated sliding tab menu using HTML, CSS and JavaScript. It begins by explaining the layout and structure of the menu, including the HTML code used to create the menu and the CSS code used to style it. The tutorial then goes on to explain how to use JavaScript to create the animation effect and make the menu responsive to different screen sizes. It also includes a live demo of the finished product and provides the source code for the menu for users to download and use in their own projects. Overall, the tutorial appears to be a comprehensive guide for those interested in creating a sliding tab menu for their website.

"Creating Your First Web Page" This webpage provides a tutorial on creating a basic web page using HTML, CSS, and JavaScript. It covers the fundamental elements of HTML such as headings, paragraphs, images, and links. It also explains how to apply CSS to style the webpage and how to use JavaScript to add interactivity to the page. Additionally, it also provides some resources and links for further learning and tutorials on web development. The overall goal of the tutorial is to help beginners learn the basics of creating a web page and provide a foundation for further web development studies.

Quora Question of The Day: "What is the biggest website you ever built, and what was the most challenging part of the development process?" The biggest website that Expoverse ever built, the development process was challenging. The process of building a large website with HTML, CSS, and JavaScript involves several steps, including planning, design, development, testing, deployment, and continual improvement. Planning is the first and most important step in building a big website, where you need to gather all the requirements, create a wireframe and a sitemap, and plan the overall structure of the website. Once the design is complete, you can start developing the website using HTML, CSS, and JavaScript. Use a framework like React or Angular to structure the code and make it more maintainable. Before launching the website, it's important to test it thoroughly to make sure it works correctly and is free of bugs. Once the website is ready, you can deploy it to a server or hosting platform. And a website is never finished, you should always be on the lookout for ways to improve it, adding new features, and fixing any issues that arise. Building a big website is a complex process and can take a long time to complete. It's also important to have a team of developers with different skills, such as front-end, back-end, and full-stack developers, to work on different parts of the website.

Stackoverflow "How to use AJAX to send a value?" This page on Stack Overflow discusses a question about how to pass a value from a button function to be used in an AJAX call and SQL query. The user is having trouble getting the value of a button to be used in the AJAX call and SQL query. One answer suggests using jQuery to get the value of the button and then passing it to the AJAX call and SQL query. Another answer suggests using a hidden input field to store the value of the button and then accessing it in the AJAX call and SQL query. The answers provide sample code for implementing these solutions.

Working With CSS Filters

AppCode ⚡ — Thu, 12 Jan 2023 19:26:14 +0000

CSS Filters are a fun way to spice up any image you use within web development.

Appcode.app, a web developer resource site, a web developer resource site, wrote an awesome article covering the technical specifications of the CSS filter property.

Some specifications cover using opacity, grayscale, and other function values to create unique effects when working with images. Like this photo below:

If you are interested in working with filters for backgrounds, icons, and other photo media types, check out the filter property's resources and function values. Here are some of the functions below.

Opacity
Hue-rotate
Drop-shadow
Saturate
Contrast
... and quite a bit more filters

You can also read articles on manipulating backgrounds for web pages and site development.

Be sure to reference these materials on AppCode.app and share this article if it has helped you write or create something! Thanks for reading!