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Sails.js In Action Ebook 22


  • SummarySails.js in Action is a comprehensive guide to buildingenterprise-capable web applications using Node and Sails. Written by the creators of the Sails.js framework, this book carefully introduces each concept, technique, and tool with real-world examples and crystal clear explanations.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologySails makes professional web development a breeze. This instantly familiar MVC framework automatically handles the tedious application boilerplate, so you can concentrate on developing features and creating business value. You get powerful tools for rapid API development, task automation, an ORM, and easy integration with any web, mobile, or IoT frontend. And because you're using Node.js, it's JavaScript all the way down.About the BookSails.js in Action is a comprehensive guide on how to build enterprise-capable web applications. Written by the creators of Sails.js, this book introduces each concept and technique with real-world examples and thorough explanations. As you read, you'll learn to build the backend of a typical web application while you explore real-time programming with WebSockets, security fundamentals, and best practices for building Sails/Node.js apps.What's InsideCreating the backend for a web, mobile, or IoT app

  • Real-time programming with WebSockets

  • User management, authentication, and password recovery

  • Using Sails to autogenerate REST APIs

  • Custom backend development and third-party API integrations

  • About the ReaderReaders should be comfortable with JavaScript and frontend web development. About the AuthorMike McNeil is the creator of Sails.js. Irl Nathan is the producer of sailsCasts, a series focused on using Sails.Table of ContentsGetting started

  • First steps

  • Using static assets

  • Using the blueprint API

  • Custom backend code

  • Using models

  • Custom actions

  • Server-rendered views

  • Authentication and sessions

  • Policies and access control

  • Refactoring

  • Embedded data and associations

  • Ratings, followers, and search

  • Realtime with WebSockets

  • Deployment, testing, and security





sails.js in action ebook 22



Sequelize is a Node.js-based Object Relational Mapper that makes it easy to work with MySQL, MariaDB, SQLite, PostgreSQL databases, and more. An Object Relational Mapper performs functions like handling database records by representing the data as objects. Sequelize has a powerful migration mechanism that can transform existing database schemas into new versions. Overall, Sequelize provides excellent support for database synchronization, eager loading, associations, transactions, and database migrations while reducing development time and preventing SQL injections.


Now that you have created a sample MySQL database, you can use Sequelize to create a table and populate it with data. In Sequelize, database tables are referred to as models. A model is an abstraction that represents a table of the database. Models define several things to Sequelize, such as the name of the table, column details, and data types. In this step, you will create a Sequelize model for book data.


Here is an example of raw queries that perform the action of selecting all values from a particular table, deleting the selected values according to the condition, and updating the table with the given values.


React is a popular JavaScript framework for creating front-end applications, such as user interfaces that allow users to interact with programs. Originally created by Facebook, it has gained popularity by allowing developers to create fast applications using an intuitive programming paradigm that ties JavaScript with an HTML-like syntax known as JSX.


In this step, you'll configure GitHub deployment using GitHub Actions. It's just one of many ways to deploy to App Service, but also a great way to have continuous integration in your deployment process. By default, every git push to your GitHub repository will kick off the build and deploy action.


Step 7. You're taken to your GitHub repository and see that the GitHub action is running. The workflow file defines two separate stages, build and deploy. Wait for the GitHub run to show a status of Complete. It takes about 15 minutes.


Reasons to use Node.js for a monitoring dashboard include gathering real-time stats from users, or introducing targeted interactions with your visitors by opening a communication channel at a specific point in your funnel. CANDDi productizes this idea.


Copywriting is one of the most critical elements of any and all forms of marketing and advertising. Copywriting consists of the words, either written or spoken, marketers use to try to get people to take an action after reading or hearing them.


Copywriting is like a call-to-action, but on a bigger scale: Copywriters are trying to get people to feel, think, or respond -- or, ideally, to Google the slogan or brand to learn more about the campaign. And where a blog post like this one has the luxury of hundreds of words with which to make a case, copywriters only have a few words to make their case.


This is an open-source introduction to Bash scripting guide/ebook that will help you learn the basics of Bash scripting and start writing awesome Bash scripts that will help you automate your daily SysOps, DevOps, and Dev tasks. No matter if you are a DevOps/SysOps engineer, developer, or just a Linux enthusiast, you can use Bash scripts to combine different Linux commands and automate boring and repetitive daily tasks, so that you can focus on more productive and fun things.


Welcome to Project Gutenberg Canada!The ebooks on this website are in the Canadian public domain, andare offered to you at no charge. If you live outside Canada, downloadan ebook only if you are certain that the book is in your country's publicdomain.


Most of our ebooks are available in the convenient and popular EPUB format. For information on EPUB, see thisWikipediaarticle.In it you will find auseful list of softwareto use with EPUB, generally free of charge.


You will find thousands of other interesting titles at Project Gutenberg'sUS andAustralian websites.Many of the Canadian ebooks listed below were originally created forthese two sites, which have kindly made them available to us.You will find a large catalogue of excellent titles in Frenchat Ebooks Libres et Gratuits,who have also kindly made their catalogue available to us.


1. After ushering in the pilot, once pleasantries have been exchanged with the Master, it is generally the pilot who goes to instruct the helmsman about the course of action. Any specific operational requirement by the Pilot, so long as the Master approves, is to be provided for.


Another problematic metric is gross domestic product (GDP). Thismeasure of national economic health fails to distinguish between financialtransactions that add to the well-being of a country and those thatdiminish it. Any activity in which money changes hands will registeras GDP growth, even money spent on recovery from natural disastersand pollution cleanup. To examine alternatives, former Frenchpresident Nicolas Sarkozy created a commission, headed by Nobellaureates Joseph Stiglitz and Amartya Sen. Their 2010 report recommendeda shift in economic emphasis from the production of goods toa broader measure of overall well-being that would include measuresfor categories such as health, education, security, and sustainability.14


At this point the thrust forward by lift comes into action on a sailboat. (Figure 11) The further the sailboat turns towards the wind, the more the sails have to be hauled. The result is an aerodynamic profile within the sails. From above it looks like the wing of an aeroplane and it works in exactly the same way.


Workplace air is another important source of air pollution exposure (chapter 60). Resource extraction and processing industries, which are common in developing countries, emit dust or hazardous fumes at the worksite (table 43.1). Such industries include coalmining, mineral mining, quarrying, and cement production. Developed countries have shifted much of their hazardous production to developing countries (LaDou 1992). This shift creates jobs in the developing countries, but at the price of exposure to air pollution resulting from outdated technology. In addition, specific hazardous compounds, such as asbestos, have been banned in developed countries (Kazan-Allen 2004), but their use may still be common in developing countries.


Figure 43.1 shows five levels at which actions can be taken to prevent the health effects of environmental hazards. Some would label interventions at the driving force level as policy instruments. These include legal restrictions on the use of a toxic substance, such as banning the use of lead in gasoline, or community-level policies, such as boosting public transportation and reducing individual use of motor vehicles.


Interventions to reduce pressures on environmental quality include those that limit hazardous waste disposal by recycling hazardous substances at their site of use or replacing them with less hazardous materials. Interventions at the level of the state of the environment would include air quality monitoring linked to local actions to reduce pollution during especially polluted periods (for example, banning vehicle use when pollution levels reach predetermined thresholds). Interventions at the exposure level include using household water filters to reduce arsenic in drinking water as done in Bangladesh. Finally, interventions at the effect level would include actions by health services to protect or restore the health of people already showing signs of an adverse effect.


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