I am in the process of porting a CLI library from Ruby over to Node.js. In my code I execute several third party binaries when necessary. I am not sure how best to accomplish this in Node.  Here's an example in Ruby where I call PrinceXML to co...
I'm connecting to a web site, logging in.  The website redirects me to new pages and Mechanize deals with all cookie and redirection jobs, but, I can't get the last page. I used Firebug and did same job again and saw that there are two more...
As per 'unobtrusive JavaScript' recommendations I want to separate my JavaScript logic into separate files. However I don't know how to organize them.   Should I:   Just throw all application javascript into Application.js file and load...
Recently I came across a bug/feature in several languages. I have a very basic knowledge about how it's caused (and I'd like some detailed explanation), but when I think of all the bugs I must have made over the years, the question is how c...
I'm trying to make a JS snippet work in a concrete page with Rails 4 and Turbolinks. I've tried with the standard solution:  <script type="text/javascript">      var ready = function() {         // Bla bla     };      $(document...
I'm able to decrypt AES encrypted message with Ruby like this:  require 'openssl' require 'base64'  data = "IYkyGxYaNgHpnZWgwILMalVFmLWFgTCHCZL9263NOcfSo5lBjAzOZAtF5bF++R0Bi+9c9E+p3VEr/xvj4oABtRWVJ2wlWzLbYC2rKFk5iapFhb7uZCUpO4...
Is there a known solution to perform Eval (Javascript execution) in Webdriver, Ruby bindings?   The equivalent of the following example in Java.   WebElement element = driver.findElement(By.id( "foo" ));  String name = (String) ((JavascriptEx...
I am having trouble deploying a rails 3.1 beta project to heroku. The problem happened at the database migration step. When I ran:  heroku rake db:migrate   I got error message:  > rake aborted!   > Could not find a JavaScript runtime. See >...
I'm trying to encode URLs in Ruby and decode them with Javascript. However, the plus character is giving me weird behavior.  In Ruby:  [Dev]> CGI.escape "a b" => "a+b" [Dev]> CGI.unescape "a+b" => "a b"...
Apart from Javascript's ^ and $ being equivalent to Ruby's \A and \z, what other subtle differences are there between the two regular expression engines?  I'm looking for subtle differences where the same regex might behave differently, f...

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