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Fundamental Tutorials of MongoDB

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is MongoDB? MongoDB is a document-oriented database management system (DBMS) that uses JSON-like documents with dynamic schemas. This makes it a good choice for storing and querying data that is not well-suited to traditional relational databases, such as semi-structured and unstructured data. MongoDB is open-source and has a large community of users and

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Fundamental Tutorials of String

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is String? A string is a sequence of characters, typically used to represent text in computer programming. Characters within a string can include letters, numbers, symbols, and whitespace. Strings are a fundamental data type in most programming languages, and they play a crucial role in handling and manipulating textual data. In programming, strings

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Fundamental Tutorials of WordPress

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is WordPress? WordPress is a content management system (CMS) that allows you to create a website or blog without any coding knowledge. It is one of the most popular CMSs in the world, with over 40% of all websites using it. WordPress is open-source software, which means that it is free to use

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Fundamental Tutorials of Database

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Database? A database is a collection of data that is stored in a structured way. It is a repository of information that can be accessed and managed by a computer program. Databases are used to store a wide variety of data, such as customer information, product inventory, and financial records. Databases are

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Fundamental Tutorials of Laravel

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Laravel? Laravel is a free and open-source PHP web framework, created by Taylor Otwell and intended for the development of web applications following the model–view–controller (MVC) architectural pattern and based on Symfony. Some of the features of Laravel are: What is top use cases of Laravel? Laravel is a popular PHP framework

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Fundamental Tutorials of Spring

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Spring? Spring is a popular open-source framework for building and developing enterprise-level Java applications. It provides a comprehensive programming and configuration model for developing modern, scalable, and maintainable applications. Spring is designed to address various aspects of application development, including dependency injection, aspect-oriented programming, transaction management, security, and more. Spring provides a

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How to set Icon on TextField Widget in Flutter App

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now In this example, we’ll demonstrate how to set an icon on a TextField widget to appear at the start and end of input in a Flutter application. The most effective technique to display the data type of a TextField is through icons. For further details, see the example below: Set the TextField Icon at

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Fundamental Tutorials of XML

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is XML? XML (eXtensible Markup Language) is a markup language used for structuring and representing data in a hierarchical and human-readable format. It is designed to be both machine-readable and easily understandable by humans, making it a versatile format for data interchange and storage. XML does not define any specific tags or elements;

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Fundamental Tutorials of TypeScript

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is TypeScript? TypeScript is a typed superset of JavaScript that adds optional static typing to the language. TypeScript is designed to be a safer and more reliable way to write JavaScript code. Here are some of the benefits of using TypeScript: What are the top use cases of TypeScript? TypeScript is a versatile

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Fundamental Tutorials for iPhone

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is iPhone? An iPhone is a line of smartphones designed, developed, and marketed by Apple Inc. They run iOS, Apple’s mobile operating system. The first-generation iPhone was announced by Steve Jobs on January 9, 2007, and it was released in the United States on June 29, 2007. As of February 2023, there have

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Fundamental Tutorials of AJAX

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is AJAX? AJAX stands for Asynchronous JavaScript and XML. It is a set of web development techniques that uses various web technologies on the client side to create asynchronous web applications. With AJAX, web applications can send and retrieve data from a server asynchronously without interfering with the display and behavior of the

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Fundamental Tutorials of Linux

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Linux? Linux is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is a free and open-source operating system, which means that anyone can use, modify, and redistribute the source code without any restrictions. This

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Fundamental Tutorials of Ruby

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Ruby? Ruby is an interpreted, high-level, general-purpose programming language. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including primitive data types. It was developed in the mid-1990s by Yukihiro “Matz” Matsumoto in Japan. Ruby is dynamically typed and uses garbage collection and just-in-time

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Fundamental Tutorials of Regex

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Regex? Regex, short for “regular expression,” is a sequence of characters that defines a search pattern. It’s a powerful tool used in various programming languages and text editors to find and manipulate strings of text based on specific patterns. Regular expressions are particularly useful for tasks like pattern matching, text validation, data

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Fundamental Tutorials of AngularJS

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is AngularJS? AngularJS is a JavaScript framework that was developed by Google. It is a structural framework for dynamic web applications. AngularJS is a popular framework for building single-page applications (SPAs). AngularJS uses the Model-View-Controller (MVC) pattern to organize code. The MVC pattern separates the application into three parts: What are the top

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How to use foreach in the controller in Laravel.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Problem When I try to loop over a request in the controller, I receive the following error: Solution Problem: I’m having trouble with the Laravel 4 controller’s data looping. This is how my code looks: the outcome is a returning error. Undefined attribute: Illuminate\Database\Eloquent\Collection::$sku So, using this code, I try to improvise a little:

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Fundamental Tutorials of Excel

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Excel? Excel is a spreadsheet software application developed by Microsoft. It is one of the most popular software applications in the world, and it is used by businesses, organizations, and individuals of all levels of experience. Excel allows users to create, edit, and analyze data in a tabular format. It also provides

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Fundamental Tutorials of Pandas

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Pandas? Pandas is an open-source Python library that provides data manipulation and analysis tools for working with structured data. It’s built on top of the NumPy library and is widely used in data science, data analysis, and data manipulation tasks. Pandas is designed to handle and manipulate data in a way that

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Fundamental Tutorials of Objective-C

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Objective C? Objective-C is a general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. It was the primary programming language used for macOS, iOS, watchOS, and tvOS development until the introduction of Swift in 2014. Objective-C was created by Brad Cox and Tom Love in 1984 as a

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