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  A New Billionaire’s 10 Rules for Success

Bob Parsons (below) may be best known as the man standing next to the “GoDaddy Girls,” the busty spokesmodels for his online registration company, GoDaddy.Com. Gerry Images Today, he has a new catchphrase: billionaireSource : http://blogs.wsj.com/wealth/2011/06/24/a-new-billionaires-10-rules-for-success/ The possible purchase of his company by private-equity firms Kohlberg Kravis Roberts and SilverLake Partners for more than $2 billion would make him the latest dot-com billionair...

   Programming,Billionare,Work,Hard,Dream     2011-06-27 07:40:00

  Write HTML easily with Emmet and Haml

Writing HTML codes is very boring and tedious as it has many tags and it's static. One solution is to use template, filling content based on other's skeleton. One another solution is high speed writing. We can write HTML codes with Emmet and Haml. These two ways have similar functions but with different characteristics. Haml is based on Ruby, so when working on Ruby/Rails projects, we recommend to use Haml, otherwise we recommend to use Emmet. 1. Emmet Emmet is a editor plugin, the official webs...

   HTML,Emmet,Haml     2013-06-11 19:46:02

  Why are column oriented databases so much faster than row oriented databases?

I have been playing around with Hybrid Word Aligned Bitmaps for a few weeks now, and they turn out to be a rather remarkable data structure.  I believe that they are utilized extensively in modern column oriented databases such as Vertica and MonetDB. Essentially HWABs are a data structure that allows you to represent a sparse bitmap (series of 0's and 1's) really efficiently in memory.  The key trick here is the use of run length encoding to compress the bitmap into fe...

   Database,Column oriented,Speed analysis,Vertica     2012-01-29 04:27:05

  Don’t Call Yourself A Programmer, And Other Career Advice

If there was one course I could add to every engineering education, it wouldn’t involve compilers or gates or time complexity.  It would be Realities Of Your Industry 101, because we don’t teach them and this results in lots of unnecessary pain and suffering.  This post aspires to be README.txt for your career as a young engineer.  The goal is to make you happy, by filling in the gaps in your education regarding how the “real world” actually works.  ...

   Career,Programmer,Advice,Low level,Development     2011-10-29 07:09:23

  Why Software Is Eating The World

This week, Hewlett-Packard (where I am on the board) announced that it is exploring jettisoning its struggling PC business in favor of investing more heavily in software, where it sees better potential for growth. Meanwhile, Google plans to buy up the cellphone handset maker Motorola Mobility. Both moves surprised the tech world. But both moves are also in line with a trend I've observed, one that makes me optimistic about the future growth of the American and world economies, despite the...

   software,quota,internet world,eat up     2011-08-22 12:06:40

  Android hardware fails more than iPhone, BlackBerry; repairs cost carriers $2 billion

Repairs to Android smartphones cost wireless carriers $2 billion per year according to a new year-long WDS study that tracked 600,000 support calls around the globe. Android’s popularity and the introduction of a number of low-cost smartphones has put a strain on the wireless business model, WDS noted in its report. “Deployment by more than 25 OEMs and lower-cost product coming to market is leading to higher than average rates of hardware failures and, in turn, return and repair cos...

   Android,iPhone,Blackberry,Hardware,Cost     2011-11-03 13:26:42

  Why every programmer should learn Python or Ruby

If you are a student, you probably know C, C++ and Java. A few know VB, or C# / .NET. At some point you’ve probably built some web pages, so you know HTML, CSS and maybe JavaScript. By and large, it is difficult to find students who have any exposure to languages beyond this. And this is a shame because there are a number of programming languages out there which will make you a better programmer. In this article, we give some reasons why you must learn Python or Ruby2. Compared to C...

   Python,Ruby,Advantage,JavamCmDusadvantag     2011-07-25 08:41:42

  Functional Programming For Object Oriented Programmers

After recently remarking about how I finally "got" functional programming I was asked by one of my millions of twitter followers... ¬_¬ to write up an explanation of a small F# program spoken in terms that fellow O-O programmers would understand. Before I become too entrenched into the functional programming way of thinking, that is, and can't explain it anymore. As a former tutor this is one of the major problems with being able to teach something once you understand it. You've ...

   Functional programming,OOP,F#,Pattern     2011-11-25 13:49:16

  Supercolliding a PHP array

Did you know that inserting 2^16 = 65536 specially crafted values into a normal PHP array can take 30 seconds? Normally this would take only 0.01 seconds. This is the code to reproduce it: <?php echo '<pre>'; $size = pow(2, 16); // 16 is just an example, could also be 15 or 17 $startTime = microtime(true); $array = array(); for ($key = 0, $maxKey = ($size - 1) * $size; $key <= $maxKey; $key += $size) { $array[$key] = 0; } $endTime = microtime(true); echo 'Inserting...

   PHP,Array,hashtable,Slow,Colliding     2011-12-29 09:02:01

  Taking C Seriously

Dennis Ritchie, a co-creator of Unix and C, passed away a few weeks ago, and was honored with many online tributes this weekend for a Dennis Ritchie Day advocated by Tim O’Reilly.It should hardly be necessary to state the importance of Ritchie’s work. C is the #2 language in use today according to the TIOBE rankings (which, while criticized in some quarters, are at least the best system we currently have for gauging such things). In fact, TIOBE’s pre...

   C,Efficiency,Memorization,Dennis Ritchie     2011-11-03 13:42:14