User can switch on their profile visibility on and off [closed] - ruby-on-rails

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Hi I want to be able to let users show and hide the visibility of their 'profile' page in a rails application, indicating their availability to other users.
Currently looking for a simple solution.

Add a visibility flag editable by users and filter profile index by it

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How to create a button counter in mvc? [closed]

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I have searched all over the internet and can't seem to find the answer. Can you please help me create a like button counter (like facebook) in MVC.
You should create some kind of badge, via css, and make AJAX call everytime someone press the button, on the success result of that call, you receive the actual number, and replace into the badge

Calendar api in swift [closed]

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I'm making app where users can add reminders and update them
so I want to know how to add,update and delete reminders through calendar api in swift?
There is a Calendar / Reminder API called EventKit:
https://developer.apple.com/library/ios/documentation/DataManagement/Conceptual/EventKitProgGuide/Introduction/Introduction.html
This should allow you to achieve what you want.

Create a simple Dropdown list [closed]

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I am very new in ROR. I want to create a simple dropdown list. Say select state from drop down. The selected value from list must be store in DB on click on submit button. How can I create this?
See the railscast video tutorial. Hope it helps.
Check the documentation on form options helper.

Twitter statistics of my own application [closed]

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I wrote a simple twitter client. so I need to know number of users who get an access for my application to use their accounts. Is this possible? And I need as many statistics of my application.

Automatic Hyperlink in my website [closed]

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I want the URLs in my website automatically hyperlink.
I can only use Javascript, HTML, and jQuery in my website.
The search term you want is "linkify". There are a number of solutions out there, personally I've only used this:
http://benalman.com/code/test/js-linkify/
Examples are in the source code.

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