Edge Side Includes (ESI) is a small markup language for edge level dynamic web content assembly. The purpose of ESI is to tackle the problem of web infrastructure scaling. It is an application of edge computing. More details can be found on wikipedia ESI element tags are inserted into HTML or other text based content …
Lets create index.html file which will include the basic html code.Now create a div with class menu and a header tag with class logo and three span tags to make the humburger menu (three lines) which I will animate on toggle and turn into a cross. Middle line (span tag) will fade out on click …
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~ Tilde: ~ freezes major and minor numbers. It is used when you’re ready to accept bug-fixes in your dependency, but don’t want any potentially incompatible changes. The tilde matches the most recent minor version (the middle number). ~1.2.3 will match all 1.2.x versions, but it will miss 1.3.0. Tilde (~) gives you bug fix releases ^ Caret: ^ freezes …
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I am trying to clone a Github repo but getting below proxy error on Mac Pro. I have not configured any proxy server. To solve this issue, I had to reset all configurations as below:
What is NODE.JS? NodeJS is a javascript runtime, its not a language or framework It is built on V8 javascript engine same as google chrome It is written in C++ It allows you to run javascipt code on the server Why should you use NODE? It’s extremely fast, efficient and scalable It uses event driven, …
Tools to check javascript security vulnerabilities 1) npm installIf you are using npm install in your application, make sure you keep all packages updated to the latest versions. 2) Snyk toolYou can signup for Synk tool for free and add repo to check issues.Synk can be integrated with Github repository and it can create pull …
Google Geocoding API to display address details including latitude and longitude Create your own Google API key and update YOUR_API_KEY in the src/script.js https://developers.google.com/maps/documentation/javascript/get-api-key Use HTML, Javascript and CSS Include axios CDN or you can use npm install Inlude bootstrap CDN or use npm install Address search results using Google Geocodig API Step 1 – create an …
Google Maps API to display map with different types of markers for multiple locations First you will need to get Google Maps API key from below link: https://developers.google.com/maps/documentation/javascript/get-api-key Update this API key at YOUR_API_KEY in index.html Step 1 – create an index.html which is used to display map in the div section where id is …
This is a simple todo application design using html, css and vanilla javascript. You will need an editor of your choice to begin with. I usually use vscode with Liveserver extension which helps to view developed application in the browser. First step is to create an html page which will display the todo list. Create …
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WebKit is a HTML web browser rendering engine which is used by Safari and Chrome browsers.It supports custom css properties which can be prefixed with -webkit- For example -webkit-font-size will be replaced by the standard font-size. Below is the list of various other browsers and rendering engines, css-prefix used by them: Browser Engine CSS Prefix …
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When I do npm install on mac pro, I get below error: Now if I run below code to install xcode cli, I get below error To resolve this issue, I followed below steps:
To align items from right to left in Arabic language using use dir=”RTL” This is first item This is second item This is last item Left to Right alignment for a list of items in Arabic using dir=”LTR” This is first item This is second item This is last item
What is a Regular Expression? As per wikipedia, A regular expression (shortened as regex or regexp; also referred to as rational expression) is a sequence of characters that specifies a search pattern. Create an index.html file where you can add all the form input fields as below. Add name property for the fields which will be accessed in the validation.js to perform regex validations. index.html validation.js …
Generate all combinations of a string
Anargam An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once. For example, “Listen” = “Silent”, “evil” = “vile”, “restful” = “fluster”
Return the length longest word from a string
Return the most common character from the string
A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward, such as madam or racecar. Return True if it”s a palindrome and False if not palindrome
Reverse a string using javascript
Hide other shipping rates when free shipping is available in Woocommerce WordPress
Left rotate array using javascript Rotate array by d digits using javascript Method 1 using shift() and push() Method 2 using ES6 Spread Operator and Slice() – one liner
Flatten a multidimensional associative array using javascript
Below commands will setup WordPress, MySQL & PHPMyAdmin with a single command. Add the code below to “docker-compose.yaml” and run the command
Show commands & management commands Docker version info Show info like number of containers, etc WORKING WITH CONTAINERS Create an run a container in foreground Create an run a container in background Shorthand Naming Containers TIP: WHAT RUN DID Looked for image called nginx in image cache If not found in cache, it looks to …
Chain-of-responsibility pattern The chain-of-responsibility pattern is a behavioral design pattern consisting of a source of command objects and a series of processing objects. Each processing object contains logic that defines the types of command objects that it can handle; the rest are passed to the next processing object in the chain. A mechanism also exists …
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Observer pattern The observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods. It is mainly used for implementing distributed event handling systems, in “event driven” software. In …
Strategy pattern The strategy pattern (also known as the policy pattern) is a behavioral software design pattern that enables selecting an algorithm at runtime. Instead of implementing a single algorithm directly, code receives run-time instructions as to which in a family of algorithms to use. Strategy lets the algorithm vary independently from clients that use …
Template method pattern The template method is a method in a superclass, usually an abstract superclass, and defines the skeleton of an operation in terms of a number of high-level steps. These steps are themselves implemented by additional helper methods in the same class as the template method. The helper methods may be either abstract …
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Adapter design pattern The adapter pattern is a software design pattern (also known as wrapper, an alternative naming shared with the decorator pattern) that allows the interface of an existing class to be used as another interface. It is often used to make existing classes work with others without modifying their source code. An example …