How to install therubyracer gem on 10.10 Yosemite?
I don't manage to install therubyracer gem on Yosemite 10.10. Here is the log: 11:53 $ gem install libv8 -v '3.16.14.3' -- --with-system-v8 Building native extensions with: '--with-system-v8' This could take a while... Successfully installed libv8-3.16.14.3 Parsing documentation for libv8-3.16.14.3 Installing ri documentation for libv8-3.16.14.3 Done installing documentation for libv8 after 0 seco
Why does HTML think “chucknorris” is a color?
Why do certain random strings produce colors when entered as background colors in HTML? For example, bgcolor="chucknorris" produces a red background: <body bgcolor="chucknorris"> test </body> Conversely, bgcolor="chucknorr" produces a yellow background: <body bgcolor="chucknorr"> test </body> This holds true across various browsers and platforms. What’s going on here?
Devise Omniauth and Iphone/Android App
I've set up user auth for my rails App with Devise and Omniauth. Now I'm wondering where I should start to use the same auth for an Android and iPhone app I want to create. Should I use a mobile version of my /auth/facebook or should I directly send a request from the app ? This is a quite general question, but I've found nowhere to look at. EDIT : I've just added Token Auth to the app to use with
Rails rspec and omniauth (integration testing)
My Rails 3.2 app uses OmniAuth and Devise to sign in with Twitter. The authentication system works fine. I would like to write an integration test in rspec to make sure everything works. Using the information in the wiki, I've written the following, but I know I'm missing things. Under test.rb in config/environments, I have the following lines OmniAuth.config.test_mode = true OmniAuth.config.mock_
How can I resolve "Error: No developer directory found at /Developer"?
I just upgraded XCode to 4.3.1. I'm using a script to build (and then deploy through Testflight) my app. But I now receive this error: Error: No developer directory found at /Developer. Run /usr/bin/xcode-select to update the developer directory path. I've no /Developer dir in my machine: how can I fix it?
javascript - Knockout.js vs Backbone.js (vs ?) - Stack Overflow
I'm a long-time developer who's getting more and more into in-browser development. (The modern tools are awesome!) I need to build some bigger, longer-running client-side interactions to go with my server-side stuff. Is it worth adopting a framework like Knockout or Backbone to speed things along and keep things organized? If so, how should I go about choosing between the two? And are there other
How do I find Waldo with Mathematica?
This was bugging me over the weekend: What is a good way to solve those Where's Waldo? ['Wally' outside of North America] puzzles, using Mathematica (image-processing and other functionality)? Here is what I have so far, a function which reduces the visual complexity a little bit by dimming some of the non-red colors: whereIsWaldo[url_] := Module[{waldo, waldo2, waldoMask}, waldo = Import[url]; wa
Toggle input disabled attribute using jQuery
Here is my code: $("#product1 :checkbox").click(function(){ $(this) .closest('tr') // Find the parent row. .find(":input[type='text']") // Find text elements in that row. .attr('disabled',false).toggleClass('disabled') // Enable them. .end() // Go back to the row. .siblings() // Get its siblings .find(":input[type='text']") // Find text elements in those rows. .attr('disabled',true).removeClass('d
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