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AngularJS vs Flask: What are the differences?
Introduction:
AngularJS and Flask are both popular frameworks used for web development. AngularJS is a front-end JavaScript framework, while Flask is a back-end Python framework. Although they are used for web development, they have different features and purposes.
Architecture and Language: One key difference between AngularJS and Flask is their architecture and the language they are built on. AngularJS is a full-fledged front-end framework that uses JavaScript as its primary language. It follows the Model-View-Controller (MVC) architecture and provides a complete solution for building dynamic web applications. On the other hand, Flask is a micro web framework that uses Python as its primary language. It follows the Model-View-Controller (MVC) pattern but is more lightweight and minimalistic, giving developers more flexibility in building web applications.
Development Approach: Another difference between AngularJS and Flask is their development approach. AngularJS follows a declarative approach, where developers define what they want the application to do, and AngularJS takes care of the implementation details. It provides a set of declarative directives that allow developers to define the behavior of different elements in the application. Flask, on the other hand, follows an imperative approach, where developers have more control over the implementation details. Developers need to write explicit code to handle different aspects of the application.
Client-side vs Server-side Rendering: AngularJS is a client-side rendering framework, which means that the HTML templates are rendered on the client-side by the browser. This allows for more interactivity and a smoother user experience. Flask, on the other hand, is a server-side rendering framework, where the HTML templates are rendered on the server and then sent to the client. This approach is more suitable for applications that don't require a lot of interactivity and are more focused on delivering content.
Dependencies and Ecosystem: AngularJS has a rich ecosystem and a wide range of built-in features and libraries. It provides a set of core modules and allows developers to easily add external modules to extend its functionality. Flask, on the other hand, has a smaller ecosystem and fewer built-in features. It is more lightweight and allows developers to choose and add only the necessary dependencies, resulting in a more efficient and optimized application.
Learning Curve and Complexity: AngularJS has a steeper learning curve compared to Flask due to its extensive features and complex concepts like data binding, directives, and dependency injection. It requires a solid understanding of JavaScript and a good grasp of object-oriented programming concepts. Flask, being a lightweight framework, has a relatively lower learning curve and is easier to get started with, especially for developers with a background in Python.
Scalability and Performance: AngularJS is designed to handle large-scale applications with complex features and high interactivity. It provides features like two-way data binding and dependency injection, which make it easier to manage complex application states. Flask, on the other hand, is more suitable for smaller or medium-sized applications where performance is a primary concern. Its lightweight nature and simplicity allow for faster response times and better performance overall.
In summary, AngularJS is a full-fledged front-end framework built on JavaScript with a declarative approach, client-side rendering, rich ecosystem, steeper learning curve, and better scalability. Flask is a lightweight back-end framework built on Python with an imperative approach, server-side rendering, smaller ecosystem, lower learning curve, and better performance for smaller applications.
My journey to developing REST APIs started with Flask Restful, and I've found it to be enough for the needs of my project back then. Now that I've started investing more time on personal projects, I've yet to decide if I should move to use Django for writing REST APIs. I often see job posts looking for Python+Django developers, but it's usually for full-stack developers. I'm primarily interested in Data Engineering, so most of my web projects are back end.
Should I continue with what I know (Flask) or move on to Django?
If you want to be a Web developer with knowledge in another frontend and NoSql technology, maybe continue with Flask. However, if you want to create very fast solutions to grow up with a new business and merge these with data analysis and other tools, Django is the answer. Basically read more about the service architecture where you feel more comfortable, Microservice or Monolithic, but please will not married with any because they solve issues to different contexts.
What is the best MVC stack to build mobile-friendly, light-weight, and fast single-page application with Spring Boot as back-end (Java)? Is Bootstrap still required to front-end layer these days?
The idea is to host on-premise initially with the potential to move to the cloud. Which combo would have minimal developer ramp-up time and low long-term maintenance costs (BAU support)?
React might be a good option if you're considering a mobile app for the future, because of react native. Although, Vue.js has the easiest learning curve and offers a better developer ramp-up time. Vue.js is great to build SPAs, very clean and organized and you won't have a lot of long-term maintenance problems (like AngularJS, for example). Bootstrap can still be used, but with flexbox there's no need anymore.
I recommend React because of less memory occupant compare to Angular, but this will depend on your organisation flexibility. When you use React you need to import different libraries as per your need. On the other side angular is a complete framework.
Performance-wise I vote for react js as it loads up quickly and lighter on the mobile. You can make good PWA with SSR as well.
If you are new to all three react will be a good choice considering, react-native will be useful if you want to build cross platform mobile application today or tomorrow. If you are talking about bootstrap styling framework than it's a choice you can style ur components by ur self or use bootstrap 4.0 framework. The complete stack mentioned above is platform agnostic u can run it anywhere you want be it cloud or on-premise.
Which is the best Python framework for microservices?
We are using Nameko for building microservices in Python. The things we really like are dependency injection and the ease with which one can expose endpoints via RPC over RabbitMQ. We are planning to try a tool that helps us write polyglot microservices and nameko is not super compatible with it. Also, we are a bit worried about the not so good community support from nameko and looking for a python alternate to write microservices.
Bottle is much less bloated and fast. Its built-in templating system is one of the fastest as it compiles the templates in bytecode. Also Bottle has no depenencies, preventing dependency bloat.
I have just started learning Python 3 weeks ago. I want to create a REST API using python. The API will be used to save form data in an Oracle database. The front end is using AngularJS 8 with Angular Material. In python, there are so many frameworks to develop REST APIs.
I am looking for some suggestions which REST framework to choose?
Here are some features I am looking for:
Easy integration and unit testing, like in Angular. We just want to run a command.
Code packaging, like in java maven project we can build and package. I am looking for something which I can push in as an artifact and deploy whole code as a package.
Support for swagger/ OpenAPI
Support for JSON Web Token
Support for test case coverage report
Framework can have features included or can be available by extension. Also, you can suggest a framework other than the ones I have mentioned.
For starters flask provides a beautiful and easy way to create REST APIs. Also its supported by excellent beginner docs as well as a very active community. Another good thing with Flask is its widely available list of plugins which allow you to build as you go. Its also good in performance and can scale to a quite decent level. However, if you are sure your project is going to be fairly big, it would be better to start with Django as it provides a lot of features out of the box and is extremely stable in performance. Both these frameworks have support for Swagger, JWT, Coverage Report although you have to install plugins for them. Deploying both of these are fairly simple and there is huge documentation available. Django has one of the best documentations I have come across. I hope I was able to answer your queries.
Have you ever stuck with the question that which one is the best front-end framework for you?
With continuous web development progress, the trends of the latest front-end technologies are also continuously changing with more and more sophisticated web features. These top front-end frameworks and libraries have made your complex web tasks more flexible and efficient.
Check out top front end frameworks and their features at https://www.nmtechedge.com/2020/09/24/top-4-trending-front-end-frameworks-2020/
I honestly think the best choice for which framework you use should come down to your team's skills. If you have one Senior Dev that is great at React, but like 3-4 mid-level devs, and a handful of junior devs that know Vue.js ... maybe look at using Vue.js a little more seriously.
Yes, there are pros and cons to framework decisions, but I honestly see a LOT of teams not even consider whether a specific framework is a good fit.
I honestly think the best choice for which framework you use should come down to your team's skills. If you have one Senior Dev that is great at React, but like 3-4 mid-level devs, and a handful of junior devs that know Angular ... maybe look at using Angular a little more seriously.
Yes, there are pros and cons to framework decisions, but I honestly see a LOT of teams not even consider whether a specific framework is a good fit.
It was easier to find people who've worked on React than Vue. Angular did not have this problem, but seemed way too bloated compared to React. Angular also brings in restrictions working within their MVC framework. React on the other hand only handles the view/rendering part and rest of the control is left to the developers. React has a very active community, support and has lots of ready-to-use plugins/libraries available.
It is a very versatile library that provides great development speed. Although, with a bad organization, maintaining projects can be a disaster. With a good architecture, this does not happen.
Angular is obviously powerful and robust. I do not rule it out for any future application, in fact with the arrival of micro frontends and cross-functional teams I think it could be useful. However, if I have to build a stack from scratch again, I'm left with react.
I used React not just because it is more popular than Angular. But the declarative and composition it gives out of the box is fascinating and React.js is just a very small UI library and you can build anything on top of it.
Composing components is the strongest asset of React for me as it can breakdown your application into smaller pieces which makes it easy to reuse and scale.
I was first sceptical about using Angular over AngularJS. That's because AngularJS was so easy to integrate in existing websites. But building apps from scratch with Angular is so much easier. Of course, you have to build and boilerplate them first, but after that - you save a ton of time. Also it's very cozy to write code in TypeScript.
Our whole Vue.js frontend stack (incl. SSR) consists of the following tools:
- Nuxt.js consisting of Vue CLI, Vue Router, vuex, Webpack and Sass (Bundler for HTML5, CSS 3), Babel (Transpiler for JavaScript),
- Vue Styleguidist as our style guide and pool of developed Vue.js components
- Vuetify as Material Component Framework (for fast app development)
- TypeScript as programming language
- Apollo / GraphQL (incl. GraphiQL) for data access layer (https://apollo.vuejs.org/)
- ESLint, TSLint and Prettier for coding style and code analyzes
- Jest as testing framework
- Google Fonts and Font Awesome for typography and icon toolkit
- NativeScript-Vue for mobile development
The main reason we have chosen Vue.js over React and AngularJS is related to the following artifacts:
- Empowered HTML. Vue.js has many similar approaches with Angular. This helps to optimize HTML blocks handling with the use of different components.
- Detailed documentation. Vue.js has very good documentation which can fasten learning curve for developers.
- Adaptability. It provides a rapid switching period from other frameworks. It has similarities with Angular and React in terms of design and architecture.
- Awesome integration. Vue.js can be used for both building single-page applications and more difficult web interfaces of apps. Smaller interactive parts can be easily integrated into the existing infrastructure with no negative effect on the entire system.
- Large scaling. Vue.js can help to develop pretty large reusable templates.
- Tiny size. Vue.js weights around 20KB keeping its speed and flexibility. It allows reaching much better performance in comparison to other frameworks.
It is a complete waste of time and life to learn a different framework to solve the same problem (Both AngularJS and Angular build A+ UI's, but both require a lot of time to learn). It's dumb to spend 200 hours learning AngularJS, then 200 hours learning Angular when you could spend 200 hours learning AngularJS and 200 hours learning how to solve a different problem (like AI/ML, Data Science, AR/VR, Digital Marketing, etc.)
React has by far and away been our most important library choice throughout the history of Sellpy. It is a library that offers great flexibility supported by a really strong core. The React team is doing incredible work bringing quality features to the core project and tons of quality third party libraries fill in the gaps.
Pros of AngularJS
- Quick to develop889
- Great mvc589
- Powerful573
- Restful520
- Backed by google505
- Two-way data binding349
- Javascript343
- Open source329
- Dependency injection307
- Readable197
- Fast75
- Directives65
- Great community63
- Free57
- Extend html vocabulary38
- Components29
- Easy to test26
- Easy to learn25
- Easy to templates24
- Great documentation23
- Easy to start21
- Awesome19
- Light weight18
- Angular 2.015
- Efficient14
- Javascript mvw framework14
- Great extensions14
- Easy to prototype with11
- High performance9
- Coffeescript9
- Two-way binding8
- Lots of community modules8
- Mvc8
- Easy to e2e7
- Clean and keeps code readable7
- One of the best frameworks6
- Easy for small applications6
- Works great with jquery5
- Fast development5
- I do not touch DOM4
- The two-way Data Binding is awesome4
- Hierarchical Data Structure3
- Be a developer, not a plumber.3
- Declarative programming3
- Typescript3
- Dart3
- Community3
- Fkin awesome2
- Opinionated in the right areas2
- Supports api , easy development2
- Common Place2
- Very very useful and fast framework for development2
- Linear learning curve2
- Great2
- Amazing community support2
- Readable code2
- Programming fun again2
- The powerful of binding, routing and controlling routes2
- Scopes2
- Consistency with backend architecture if using Nest2
- Fk react, all my homies hate react1
Pros of Flask
- For it flexibility10
- Flexibilty and easy to use9
- Flask8
- User friendly7
- Secured6
- Unopinionated5
- Secure2
- Customizable1
- Simple to use1
- Powerful1
- Rapid development1
- Beautiful code1
- Easy to develop and maintain applications1
- Easy to setup and get it going1
- Easy to use1
- Documentation1
- Python1
- Minimal1
- Lightweight1
- Easy to get started1
- Orm1
- Not JS1
- Perfect for small to large projects with superb docs.1
- Easy to integrate1
- Speed1
- Get started quickly1
- Open source0
- Well designed0
- Flexibilty0
- Productive0
- Awesome0
- Expressive0
- Love it0
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Cons of AngularJS
- Complex12
- Event Listener Overload3
- Dependency injection3
- Hard to learn2
- Learning Curve2
Cons of Flask
- Not JS10
- Context7
- Not fast5
- Don't has many module as in spring1