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SEARCH KEYWORD -- Innovation works

  Hackers vs. Coders

Photo Credit: Pranav MistryBeing a good hacker is an invaluable skill. But is being a coder the same as being a hacker? Is it possible that coders are at a creative disadvantage to hackers who don’t know how to code?Here’s a story that helped me see the difference.I was recently invited to mentor at Startup Weekend. On Friday night, we gathered to eat pizza, pitch ideas, create teams and discuss launch plans. At the end of the day, everyone was feeling great about what theyââ...

   Hacker,Coder,Comparison,Innovation     2011-05-11 02:11:09

  What are some popular myths in software development?

This article is summarized from a question on Quora .The question is         What are some popular myths in software development?Here is the answer which received most votes given by a guy named Lee Semel,. Some of the most prevalent myths are:The Waterfall Method of design, the idea that it is both possible, efficient and good practice to completely specify a system before building it, and to execute the steps of a software project sequentially rather than iter...

   Software design,Myths,Waterfall model     2012-05-02 04:52:01

  Resolve stylesheet_link_tag fails to work in Ruby on Rails

When developing Ruby On Rails application, developers sometimes will see an unexpected behavior where the application cannot be loaded due to "TypeError: Object doesn't support this property or method" when invoking stylesheet_link_tag. The symptom looks like  And the Rails log will show something similar to below The error occurs because there is some problem finding the correct assets which are located in app/assets. To resolve the issue, you can following below steps. Add gem 'coffee-...

   RUBY ON RAILS,STYLESHEET_LINK_TAG,JAVASCRIPT_INCLUDE_TAG,TYPEERROR     2016-10-14 03:59:11

  How to write your own DSL in Ruby

DSL(Domain Specific Language) is a language defined to fulfill some domain specific requirements to ease people's work. It can be used to define attributes and actions of a domain easily and cleanly. And it is often created based on some common observations or micro patterns of some domain. In Ruby world, there are quite a few places people can find DSL. For example, Ruby itself, Chef recipes. To create a class in Ruby, the traditional OOP way would look like. class User @name = nil @email =...

   RUBY,DSL,TUTORIAL     2017-03-04 09:40:34

  Thoughts on Python 3

I spent the last couple of days thinking about Python 3's current state a lot. While it might not appear to be the case, I do love Python as a language and especially the direction it's heading in. Python has been not only part of my life for the last couple of five years, it has been the largest part by far. Let there be a warning upfront: this is a very personal post. I counted a hundred instances of a certain capital letter in this text. That's because I am very grateful for all the opport...

   Python,Python 3,Feature,Drawback,Embrace     2011-12-07 08:46:47

  Learning Ruby and Ruby vs Lisp

The company I work for has a lot of legacy Ruby code, and as Ruby has become kind of a mainstream language, I decided to get a book about it and learn how it works. As my learning resource, I chose The Ruby Programming language by David Flanagan and Yukihiro Matsumoto as that receives great customer reviews, covers Ruby 1.8.7 and 1.9 and is authoritative because the language creator is one of the authors. The book makes a good read in general. There are plen...

   Ruby,Feature,Functional,OOP,Lisp,Difference     2011-12-12 07:42:01

  The confusing strtotime() function in PHP

Frequently PHP programmers get confused of the use of i month, -1 month, next month in strtotime() function. and hence it leaves some impression to programmer that this function is not that reliable. Let's take one example of strtotime call with -1 month and see why it leaves this impression. date("Y-m-d",strtotime("-1 month"))  // Assume today is 2018-07-31 What's the output of above call? The answer is 2018-07-01. Why not 2018-06-30? So people get confused. It appears that this is ...

   PHP,STRTOTIME,FIRST DAY OF,-1 MONTH     2018-08-04 05:49:32

  Firefox 18 will adopt IonMonkey as its JS compiler

Tendency would be converse after 30 years. The previous famous Firefox is now forced to change its version number frequently becuase of the rise of Chrome. Last month Mozilla released Firefox 15 and  also released news about Firefox 17, And now Firefox 18 is also ready to come out. According to PCWorld, to keep the promise of bring quicker and smoother experience, Mozzila will adopts new JavaScript technology in Firefox 18. The new Firefox with new JavaScript technology will be 26% qu...

   Firefox 18,IonMonkey,JavaScript     2012-09-17 11:50:02

  What's Wrong with the For Loop

Closures in Java are a hot topic of late. A few really smart people are drafting a proposal to add closures to a future version of the language. However, the proposed syntax and the linguistic addition are getting a lot of push back from many Java programmers. Today, Elliotte Rusty Harold posted his doubts about the merits of closures in Java. Specifically, he asks "Why Hate the for Loop?": I don’t know what it is some people have against for loops that they’re so eager to...

   For loop,Basic,Problem,Efficiency,Java     2012-02-24 05:06:15

  The history of the name Google

Google now is known almost by everyone who has internet access. It's the most frequently accessed search engine around the world and it provides fast speed and high quality search results. While you are using Google, have you ever wondered how the name Google comes? According to Steven Levy, the author of the book In The Plex: How Google Thinks, Works, and Shapes Our Lives. The original name for the project was named BackRub and was coded by Sergey Brin. He was thinking that web pages made thei...

   GOOGLE,HISTORY,GOOGLE NAME,GOOGOL     2016-12-03 20:58:06

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