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Using Rails 3.1, where do you put your “page specific” JavaScript code?

To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file. ...
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How do you check if a JavaScript Object is a DOM Object?

...function isElement(obj) { try { //Using W3 DOM2 (works for FF, Opera and Chrome) return obj instanceof HTMLElement; } catch(e){ //Browsers not supporting W3 DOM2 don't have HTMLElement and //an exception is thrown and we end up here. Testing some //properties that all eleme...
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How can I force division to be floating point? Division keeps rounding down to 0?

I have two integer values a and b , but I need their ratio in floating point. I know that a < b and I want to calculate a / b , so if I use integer division I'll always get 0 with a remainder of a . ...
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Fastest way to list all primes below N

...t William Hanks for primesfrom2to, primesfrom3to, rwh_primes, rwh_primes1, and rwh_primes2. Of the plain Python methods tested, with psyco, for n=1000000, rwh_primes1 was the fastest tested. +---------------------+-------+ | Method | ms | +---------------------+-------+ | rwh_prime...
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Flask vs webapp2 for Google App Engine

I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it. ...
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Why does range(start, end) not include end?

... You explain that range(x) should start with 0 and x will be the "length of the range". OK. But you didn't explain why range(x,y) should start with x and end with y-1. If the programmer wants a for-loop with i ranging from 1 to 3, he has to explicitly add 1. Is this reall...
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Validate phone number with JavaScript

I found this code in some website, and it works perfectly. It validates that the phone number is in one of these formats: (123) 456-7890 or 123-456-7890 ...
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? . 3 Answer...
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Git fetch remote branch

My colleague and I are working on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch . ...
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Differences between utf8 and latin1

what is the difference between utf8 and latin1? 2 Answers 2 ...