Core Basics Blog

In Meteor applications, handling file uploads can be a challenging task, especially when it comes to storing and retrieving files efficiently. This is where the Meteor CollectionFS package comes into play. In this article, we will explore the purpose and functionality of the Meteor CollectionFS package, its benefits, and how to use it in your Meteor application. What is Meteor CollectionFS? Meteor CollectionFS is a package that allows you to store and retrieve files in your Meteor application. It provides a simple and efficient way to handle file uploads, making it an essential tool for any Meteor developer. CollectionFS is built on top of the Meteor Collection API, which means you can use it just like any other Meteor collection. Key Features of Meteor CollectionFS Here are some of the key features of Meteor CollectionFS: File Storage: CollectionFS allows you to store files in your Meteor application. You can store files of any type, including images, videos, documents...

When working with Meteor, a popular JavaScript framework for building web and mobile applications, developers often interact with MongoDB, a NoSQL database. Two concepts that are frequently mentioned in the context of Meteor and MongoDB are Meteor collections and MongoDB capped collections. While they share some similarities, they serve distinct purposes and have different characteristics. In this article, we'll delve into the differences between Meteor collections and MongoDB capped collections, exploring their definitions, use cases, and implications for application development. What are Meteor Collections? Meteor collections are a way to store and manage data in a Meteor application. They are essentially a client-side representation of a MongoDB collection, allowing developers to interact with the data in a more convenient and reactive way. Meteor collections are created using the `Mongo.Collection` constructor and are typically defined on both the client and server sides ...

Meteor is a popular JavaScript framework for building web and mobile applications. One of its key features is built-in support for WebSockets, which enables developers to create real-time applications that provide instant updates to users. In this article, we'll explore how to use Meteor's WebSockets to create real-time applications. What are WebSockets? WebSockets are a protocol that allows for bidirectional, real-time communication between a client (usually a web browser) and a server. Unlike traditional HTTP requests, which involve a client sending a request to a server and waiting for a response, WebSockets establish a persistent connection between the client and server, allowing for continuous communication. Meteor's Built-in Support for WebSockets Meteor provides built-in support for WebSockets through its DDP (Distributed Data Protocol) protocol. DDP is a protocol that allows clients and servers to communicate in real-time, enabling features like live updat...

Meteor is a popular JavaScript framework for building real-time web applications. One of the key features that enables real-time functionality in Meteor is its built-in support for publications and subscriptions. In this article, we'll explore how to use Meteor's publications and subscriptions to create real-time applications. What are Publications and Subscriptions in Meteor? Publications and subscriptions are two fundamental concepts in Meteor that enable real-time data synchronization between the client and server. A publication is a set of data that is published by the server and made available to clients who subscribe to it. A subscription is a request from a client to receive a specific publication from the server. How Publications Work A publication in Meteor is defined on the server using the `Meteor.publish` method. This method takes two arguments: the name of the publication and a function that returns the data to be published. The function can return a curs...

In a Meteor application, the Meteor.startup function plays a crucial role in initializing the application and executing code when the application is fully loaded. This function is essential for setting up the application's environment, loading data, and performing other initialization tasks. What is Meteor.startup? Meteor.startup is a function that is called when the Meteor application is fully loaded and ready to start. This function is typically used to execute code that should run only once, when the application is initialized. The Meteor.startup function is called on both the client and server sides of the application. Client-Side Meteor.startup On the client side, Meteor.startup is called when the application is fully loaded and the DOM is ready. This is typically used to execute code that should run only once, when the application is initialized. Some common use cases for client-side Meteor.startup include: Loading data from the server and populating the applic...

In Meteor, publications and subscriptions are two fundamental concepts that enable real-time data synchronization between the server and clients. While they work together to provide a seamless data experience, they serve distinct purposes. In this article, we'll delve into the differences between Meteor publications and subscriptions, exploring their roles, benefits, and use cases. What are Meteor Publications? A Meteor publication is a server-side function that defines a set of data to be shared with connected clients. It's essentially a data pipeline that allows the server to publish data to clients, which can then subscribe to receive updates. Publications are typically defined on the server using the `Meteor.publish()` method, which takes a name and a function as arguments. Meteor.publish('allUsers', function() { return Meteor.users.find(); }); In this example, the `allUsers` publication returns a cursor to the `Meteor.users` collection, making all user ...

Meteor provides a powerful way to create custom server-side logic using Meteor Methods. These methods allow you to define functions that can be called from the client-side, providing a secure and efficient way to interact with your server. In this article, we'll explore how to use Meteor's built-in support for methods to create custom server-side logic. What are Meteor Methods? Meteor Methods are functions that are defined on the server-side and can be called from the client-side. They provide a way to encapsulate complex logic and database operations, making it easier to manage your application's data and behavior. Meteor Methods are similar to RESTful APIs, but they are more flexible and easier to use. Defining a Meteor Method To define a Meteor Method, you use the `Meteor.methods` object. This object is a dictionary that maps method names to functions. Here's an example of how to define a simple Meteor Method: Meteor.methods({ 'hello': function...

In a Meteor application, Meteor Methods play a crucial role in defining server-side functions that can be called from the client-side. The Meteor.methods function is used to define these methods, which are essentially remote procedure calls (RPCs) that allow the client to invoke server-side code. What are Meteor Methods? Meteor Methods are functions that are defined on the server and can be called from the client. They are used to perform server-side operations, such as data validation, authentication, and database updates. Meteor Methods are typically used when you need to perform an operation that requires access to sensitive data or when you need to perform a complex operation that cannot be done on the client-side. Defining Meteor Methods To define a Meteor Method, you use the Meteor.methods function and pass an object with the method name as the key and the method function as the value. For example: Meteor.methods({ 'methodName': function (arg1, arg2) { ...

  Meteor is a popular JavaScript framework for building web and mobile applications. One of its key features is its built-in support for Node.js, which allows developers to create custom server-side logic. In this article, we'll explore how to use Meteor's built-in support for Node.js to create custom server-side logic, also known as Meteor Server. What is Meteor Server? Meteor Server is a Node.js-based server that provides a set of APIs and tools for building custom server-side logic. It allows developers to create server-side code that can interact with the client-side code, enabling features like real-time data synchronization, authentication, and authorization. Creating a Meteor Server Project To create a Meteor Server project, you'll need to have Meteor installed on your machine. If you haven't installed Meteor yet, you can do so by running the following command in your terminal: curl https://install.meteor.com/ | sh Once Meteor is installed, you can ...

When it comes to building web applications, choosing the right server technology is crucial. Two popular options are Meteor Server and Node.js Server. While both are used for building server-side applications, they have distinct differences in their architecture, functionality, and use cases. In this article, we'll delve into the differences between Meteor Server and Node.js Server, helping you decide which one is best suited for your project. Overview of Meteor Server Meteor Server is a full-stack framework that allows developers to build web and mobile applications using JavaScript. It was created by Meteor Development Group and is built on top of Node.js. Meteor Server provides a simple and efficient way to build real-time web applications, with features like automatic code reloading, hot code pushes, and a built-in database. Overview of Node.js Server Node.js Server is a JavaScript runtime environment that allows developers to build server-side applications. It was cr...

Meteor is a popular JavaScript framework for building web and mobile applications. One of the key features of Meteor is its built-in support for Cordova, which allows developers to create mobile applications for Android and iOS devices. In this article, we will explore how to use Meteor's built-in Cordova support to create mobile applications. Setting Up Meteor for Mobile Development To start building mobile applications with Meteor, you need to have Meteor installed on your system. If you haven't installed Meteor yet, you can do so by running the following command in your terminal: curl https://install.meteor.com/ | sh Once Meteor is installed, you can create a new Meteor project by running the following command: meteor create myapp This will create a new Meteor project called "myapp" in a directory with the same name. Adding Cordova Support to Your Meteor Project To add Cordova support to your Meteor project, you need to add the `cordova` package t...

The Meteor.cordova package is a crucial component in Meteor applications, particularly when it comes to building mobile apps. In this article, we will delve into the purpose and functionality of the Meteor.cordova package, exploring its role in creating hybrid mobile applications using the Meteor framework. What is Meteor.cordova? The Meteor.cordova package is a Meteor package that enables developers to build hybrid mobile applications using the Meteor framework. It provides a set of tools and APIs that allow developers to create mobile apps that can run on both iOS and Android devices. The package is built on top of the Apache Cordova framework, which provides a set of APIs for accessing native device functionality. Purpose of Meteor.cordova The primary purpose of the Meteor.cordova package is to enable Meteor developers to build mobile apps that can run on both iOS and Android devices. The package provides a set of tools and APIs that allow developers to access native devic...

Meteor is a popular JavaScript framework for building web and mobile applications. One of its key features is the ability to create hybrid mobile apps using its built-in support for mobile applications, known as Meteor Mobile. In this article, we'll explore how to use Meteor Mobile to create hybrid mobile apps. What is Meteor Mobile? Meteor Mobile is a set of tools and libraries provided by Meteor that allows developers to build hybrid mobile apps using web technologies such as HTML, CSS, and JavaScript. It uses the Cordova framework to wrap the web application in a native shell, allowing it to run on mobile devices. Setting up Meteor Mobile To use Meteor Mobile, you'll need to have Meteor installed on your system. Once you have Meteor installed, you can create a new Meteor project using the following command: meteor create myapp This will create a new Meteor project called "myapp" in a directory of the same name. Adding Mobile Support to Your Meteor A...

When it comes to developing mobile applications, developers often find themselves at a crossroads, deciding between building a Meteor mobile application and a native mobile application. While both options have their own set of advantages and disadvantages, understanding the key differences between them is crucial in making an informed decision. In this article, we will delve into the differences between Meteor mobile applications and native mobile applications, exploring their unique characteristics, benefits, and drawbacks. What is a Meteor Mobile Application? A Meteor mobile application is a type of hybrid mobile application built using the Meteor framework. Meteor is a JavaScript-based framework that allows developers to build cross-platform mobile applications using web technologies such as HTML, CSS, and JavaScript. Meteor mobile applications are essentially web applications that are wrapped in a native shell, allowing them to be installed on mobile devices and accessed thro...

Meteor provides a built-in package called `ostrio:files` for handling file uploads. This package allows you to upload files of any size and type, making it suitable for handling large files. In this article, we will explore how to use Meteor's built-in support for file uploads to handle large files. Setting Up the `ostrio:files` Package To use the `ostrio:files` package, you need to add it to your Meteor project. You can do this by running the following command in your terminal: meteor add ostrio:files Configuring the `ostrio:files` Package Once you have added the `ostrio:files` package, you need to configure it to handle large files. You can do this by creating a new file called `files.js` in your Meteor project's root directory. In this file, you can configure the package to handle large files by setting the `maxSize` option: import { Files } from 'meteor/ostrio:files'; Files.config({ maxSize: 1024 * 1024 * 1024, // 1GB tempStore: { adapter: ...

Meteor is a popular JavaScript framework for building web and mobile applications. One of its key features is the ability to extend its functionality through plugins. In this article, we will explore how to create a new Meteor plugin, also known as a package, and discuss the benefits of using custom plugins in your Meteor applications. What are Meteor Plugins? Meteor plugins, or packages, are reusable pieces of code that can be easily added to a Meteor application to provide additional functionality. They can be used to add new features, integrate with third-party services, or optimize performance. Meteor plugins are built using the same technologies as Meteor applications, including JavaScript, HTML, and CSS. Why Use Meteor Plugins? There are several benefits to using Meteor plugins in your applications: Modularity**: Meteor plugins allow you to break down your application into smaller, independent modules that can be easily maintained and updated. Reusability**: Plu...

Meteor provides a powerful and flexible way to interact with MongoDB through its built-in support for Meteor Collections. A Meteor Collection is a client-side representation of a MongoDB collection, allowing you to define custom database logic and interact with your data in a structured and efficient way. In this article, we'll explore how to create and use Meteor Collections to manage your MongoDB data. Defining a Meteor Collection To define a Meteor Collection, you need to create a new instance of the `Mongo.Collection` class and pass the name of the collection as an argument. For example: import { Mongo } from 'meteor/mongo'; const Books = new Mongo.Collection('books'); In this example, we define a new Meteor Collection called `Books` that corresponds to a MongoDB collection named `books`. You can then use the `Books` collection to insert, update, and retrieve data from the underlying MongoDB collection. Collection Schemas One of the key benefits o...

Meteor and MongoDB are two popular technologies used for building web applications. While they are often used together, they serve different purposes and have distinct characteristics. In this article, we will explore the differences between a Meteor collection and a MongoDB collection. What is a MongoDB Collection? A MongoDB collection is a group of documents stored in a MongoDB database. It is similar to a table in a relational database, but unlike tables, collections do not have a predefined schema. This means that documents in a collection can have different fields and structures. MongoDB collections are used to store and manage data in a MongoDB database. What is a Meteor Collection? A Meteor collection is a client-side representation of a MongoDB collection. It is a reactive data source that allows Meteor applications to interact with the underlying MongoDB database. Meteor collections are used to store and manage data on the client-side, and they are synchronized with ...

Meteor is a popular JavaScript framework for building real-time web applications. One of the key features that make Meteor so powerful is its built-in support for subscriptions, also known as Meteor Publications. In this article, we'll explore how to use Meteor Publications to create real-time applications. What are Meteor Publications? Meteor Publications are a way to share data between the client and server in a Meteor application. They allow you to define a set of data that should be sent to the client, and then automatically update the client when the data changes. This makes it easy to build real-time applications, where the client is always up-to-date with the latest data. How do Meteor Publications Work? Meteor Publications work by defining a publication on the server, which specifies the data that should be sent to the client. The client then subscribes to the publication, which tells the server to send the data to the client. When the data changes on the server, ...