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I am completely new to writing code and am slightly confused by all the different languages. My main goal is to build websites and apps for iOS/OSX.
Which coding languages should I start with?
Here is a previously asked question which may be of use to you.
If you find that it is a bit over your head, you could start by learning the basics of HTML/CSS/JavaScript at W3Schools or by learning broadly applicable programming skills at Codecademy.
For iOS/OSX it would be a good idea to learn Objective C and get familiar with the different frameworks provided by Apple.
For building web sites, all you need is a text editor and a good introduction to HTML/CSS. If the web site should be dynamic (i.e. some content should be created when the web site is retrieved) PHP might be easy to learn and some JavaScript knowledge couldn't hurt.
Please note that applications are different from web sites! You can build web sites that look like applications and are accessed through the browser - "native" applications can only run on the device, not through a browser.
So there's no such thing as "web sites for iOS/OSX".
My main goal is to build websites and apps for iOS/OSX.
You need to define if you want to go native (objective-c + Cocoa/Cocoa-touch) or websites (HTML + JS + CSS). Which one you would choose is kind of a tricky question on the current standards. It really depends of the project and the client (sometimes even them don't know what they really want). If you are able tell us what are your goals in learning them, I can try to advise you better.
I would start with basic c because its what everything is built on. it teaches you the basic like int's, variables, pointers ect., then you could move into object oriented programing
(for other languages as well as ios/mac osx programing)
or move straight into objective c. if you want to design and build mac os x apps you need to know c, objective c, then move into the newly announced "swift" apple released this summer, they are all object oriented.
if you want to build web applications like facebook, twitter, google, ect. then i suggest php and mysqli (mysql is discontinued). you can implement a lot more than you think. you can also do object oriented in mysqli and php but you can also do it "procedural style".
be aware that ios/mac osx is a lot harder that html, css, php, and mysql.
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When I was googling, I just saw that there are a number of software frameworks present. Like this,
ASP.NET - MonoRail
Java - Google Web Toolkit
JavaScript - Backbone.js
php - CakePHP
Python - Django
Ruby - Ruby on Rails
So my quection is this.
Why we use frameworks and why we spent time to learning frameworks instead of learning more advanced techniques of the programming language?
Are there any disadvantage of using a framework? (specially reduction of speed when using server-side or client-side frameworks)
So frameworks are really just collections of functions and libraries pieced together to make it easier to perform a particular tasks.
In the case of your question, you're looking primarily at web frameworks. Which make it easier to write web servers in these languages. Python Django is a great framework because it handles all of the web stuff for you. (http requests and traffic routing) and allows you to simply specify what code will run when your app takes certain requests.
So in short, frameworks try make it easier to do certain things. Of course different people think different ways to do things are easier, so that's why we have so many different kinds of frameworks.
Feel free to ask any questions. Hope this helps!
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Xamarin is great in theory but would it be a good fit for a small team with .Net experience that is looking to build a consumer facing (not LOB) app for Android, iOS & Windows Mobile. This is not a build and forget scenario. The app would be under continuous development, and deployment via the three app stores.
Xamarin seems better suited for a large enterprise with many resources and a pool of .Net developers. I am looking for feedback from those who have actually invested time and money going the Xamarin route.
Although I feel a small .Net team could be more productive in the short term with Xamarin, I have the following reservations that have not vanished through experimenting with Xamarin or through reading countless docs, articles and comments.
Hitting hard roadblocks after investing months on development and finding it very difficult to get the help needed to work through the issues. i.e small online community and expensive training and support options.
Xamarin being unable to do something that can be done natively.
Investing in Xamarin at the cost of not actually learning objective C (Java not a real concern).
This is similar to the many of opinionated questions about Xamarin vs full native. If you have no obj-c/java developers and only .net developers, then go xamarin. If you want a single code base and not have each app in a different language, go xamarin. They are pretty darn good at having support the day that iOS is released.
Search on here for all of the other questions about it to see peoples' pros and cons lists.
I have gone through Xamarin route and I do development on C# for many years. I do Java and learned Objective-C to develop on iOS. Right now I do it alone or at most with some friends , so it is like the small team scenario you described.
I would not go on any other route for some reasons:
Needing to deploy on more than one platform and do each one on a different language is something I dislike
Xamarin exposes all the native APIs on each platform, so I am at no loss
I can access third party native libraries on each platform with ease
The non-native issue is not a issue for me for the byte-codes are native on iOS and there is a small Runtime on Android, but on both cases the performance is not at loss
I have done some basic and intermediary stuff using Xamarin and there were no lack of support from the community, documentation or from Xamarin
I am not getting to be an expert on Objective-C, as I don't develop using it, but I am learning the native APIs and their use the same way. You will use all the same Objects, methods (protocols and delegates) you would with Objective-C but now you have a different syntax (one which I love by the way)
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Hi there I was wondering how it would be possible to make a app like Facebook, or Instagram or other Social Network apps where users can login view their profiles and other peoples profiles. I was wondering if anybody would know what programming language I have to know or if I have to have servers. Any help would be greatly appreciated. Thanks in advance.
Welcome to the site!
This question is asking for a lot and not really really appropriate for this site, but how about some good starting points?
Building apps like facebook, instragram, etc are very difficult. Fortunately there are many great tools to help with this, like Ruby on Rails, Play, Django, etc.
There are many programing languages you can use to build an app like this. PHP, Ruby, Python, Java, Clojure, etc. You can even make a website in pure assembly if you want to.
Servers and database knowledge are required to get started as well.
Fear not, for we all have to start somewhere.
Here's some steps I recommend you take:
Learn how to make a website with HTML and CSS.
Learn some javascript, and understand how programming is dynamic.
Try languages like Ruby or Python, and learn about the power they bring.
Learn a web framework in the language you preferred with from suggestion 3. Rails and Django are two major frameworks used today, both have clear getting started tutorials.
Try grabbing an account at Codecademy or CodeSchool. They both have amazing step-by-step guides to help you get started with the right knowledge.
Build your app with profiles, etc.
Build a mobile app around your web-service if you'd like.
In summary, it's all about patience, determination, taking on new levels of complexity at the right time and of course, the amazing feeling when all your hard work pays off and your app works!
Good luck!
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I was wondering what are the strengths and weakness of using Ruby on Rails for Web Application development. I would like an insight from other developers as to why they have chosen to write in Ruby on Rails over other languages and technologies.
What does Ruby on Rails provide that has the edge over other web application technologies and languages?
Are there any unique capabilities that the language provides?
Thanks in advance, hopefully I will be able to make the choice as to use the language or not.
Ruby on Rails is a server side technology, it cannot be compared to Flash or Silverlight that are client side technologies, like apples and bananas.
EDIT (for the edited question)
Rails's main strength over other server side tech's is ease of use and development speed. This comes from 2 factors:
ruby is a expressive and easy language
rails provides a simple yet powerful API (call it "programmer interface") that lets you focus on "doing your stuff" rather than "how to do it"
You write less code and don't struggle with side problems.
I'd add a great mature community and plethora of plugins and ready-made code.
Ease of learning and speedy development are big pluses
It runs pretty slow though (compared to, say, ASP.net)
Faster development, slower runtime
I think, Ruby on Rails' strength is a community.
There are a lot of people to ask about framework.
Also there are many books, libs, plugins, etc.
No matter which technology or framework you will choose,
just do not limit yourself with it.
Disadvantage is that many of the folks building larger apps have continued to work with C#/Java/PHP; there's not a lot of huge apps running on Ruby.
From my understanding - it runs slightly slower than the big three up there - large apps are staying where they were.
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What issues or gotchas will I run into if I develop web applications in Lua; is there anything I should be aware of before starting?
Any experience with developing Lua web applications?
The web application framework based on Lua that gets a lot of discussion in the Lua community is the Kepler project. The Kepler team provides integration with web servers (especially Apache), a web server of their own, useful modules, and a working MVC application framework called Orbit.
Several other projects work with or on top of Kepler's foundation. A prominent one that demonstrates that Kepler can be used for real work is Sputnik, a very flexible and extensible CMS that functions as a Wiki out of the box but which can be extended to do many other things.
Speaking from personal experience, I built a control interface for an embedded system using Kepler's Lua Pages to render and process the forms and reports without much hassle as only my second or third real Lua project. That system is still in use and I would do it again.
take a look at http://openresty.com/ (nginx and lua/luajit, async)
Go ahead and give it a shot! Lua is a very nice language.
Another MVC framework based on Lua is also Luci.
Interesting concept. I think one of the things you need to consider is which webserver do you plan to use? I think the webserver support for Lua would be flaky at best, no offense to anyone involved but its just not a common web platform.
With that said, however, the Lua Libraries And Bindings lists quite a few components that you could seemingly leverage for your efforts. I looked the list over and all things common to the web are there: databases, regex, network, zip, crypto, xml, images, etc. There's even a couple of web frameworks, so perhaps this is less rare than I thought?