SEARCH KEYWORD -- Research
Eleven Equations True Computer Science Geeks Should (at Least Pretend to) Know
This idea is a complete rip off an article that appeared in Wired a little while ago and it got me thinking what would my list for Computer Science look like? Plus I thought it might be a fun post and unlike the Wired list this one goes to eleven. So here they are in no particular order: Binomial Coefficient The Binomial Coefficient equation generates Pascal’s Triangle and gives you the coefficients for the Binomial Theorem these ideas are often attributed to Pa...
Algorithms,Computer science,Euler formula,Fermat 2011-11-29 08:42:50
Signs that you're a bad programmer
1. Inability to reason about codeReasoning about code means being able to follow the execution path ("running the program in your head") while knowing what the goal of the code is.SymptomsThe presence of "voodoo code", or code that has no effect on the goal of the program but is diligently maintained anyway (such as initializing variables that are never used, calling functions that are irrelevant to the goal, producing output that is not used, etc.)Executing idempotent functions multiple times (...
Sign,Programmer,Characteristics,Knowledge,Skill 2011-10-20 08:56:16
Man Survives Steve Ballmer’s Flying Chair To Build ’21st Century Linux’
Mark Lucovsky, famous for building Windows NT and watching Steve Ballmer throw a chair.Mark Lucovsky was the other man in the room when Steve Ballmer threw his chair and called Eric Schmidt a “fucking pussy.â€Yes, the story is true. At least according to Lucovsky. Microsoft calls it a “gross exaggeration,†but Lucovsky says that when he walked into Ballmer’s office and told the Microsoft CEO he was leaving the company for Google, Ballmer picked up his chai...
VMWare,Founder,Mark Lucovsky,Microsoft,Google,Cloud Foundry 2011-11-25 03:00:39
How I Learned to Program
Programming is, without a doubt, the most mentally rewarding thing I've ever done. Programming taught me that life should be fun, filled with creativity, and lived to the fullest. Programming taught me that anything is possible; I can do anything I want using only my mind. Programming also taught me that learning is fun. It showed me that the more you know, the more power you have. Programming showed me that a life filled with learning is a life worth living. Programming revealed to me wh...
Programming,Tips,Write,Practice,Interest 2012-02-04 21:37:12
Translating math into code with examples in Java, Racket, Haskell and Python
Discrete mathematical structures form the foundation of computer science.These structures are so universal that most research papers in the theory of computation, programming languages and formal methods present concepts in terms of discrete mathematics rather than code.The underlying assumption is that the reader will know how to translate these structures into a faithful implementation as a working program.A lack of material explaining this translation frustrates outsiders.What deepens that fr...
Math,Algorithms,Formula,Program,Python 2011-11-14 08:43:15
Erlang Style Concurrency
Introduction On an evolutionary scale of innovation from one to ten (one being Bloomberg and Citi Group, eight being Google and Cirque Du Soleil, and ten being the company you couldn't imagine in your wildest dreams), the company I work for is about a three1. Being employed by this bastion of ingenuity affords me certain opportunities I can't get elsewhere. For example, every developer gets to interview potential...
Erlang,Concurrency,Lock,Message,Innovation 2012-01-03 10:44:44
The 10 Greatest Hacks of My Life
My co-founder and I briefly considered applying to YCombinator for the Winter 2012 session. We eventually decided to bootstrap Curvio initially, and raise a seed round on our own after we launch (so far so good!). But looking over the YC application, one question intrigued me:Please tell us about the time you, tansey, most successfully hacked some (non-computer) system to your advantage.Now, there are a lot of ways to interpret this. A mechanical interpretation would be about...
Hack,Most important,Example,Curvio 2011-10-22 12:47:42
Ruby is beautiful (but I’m moving to Python)
The Ruby language is beautiful. And I think it deserves to break free from the Web. I think the future of Ruby is firmly stuck in Web development, though, so I’m going to invest in a new language for data analysis, at least for now. This is a look at the fantastic language I came to from Java and a look at a possible candidate. (Update: I’ve since written a followup.)Java to RubySix years ago, I added Ruby to my technical arsenal. I learned C++ and Java in high school, and I p...
Ruby,Java,Python,Comparison,Advantage,Ruby vs Python 2011-11-01 07:18:11
PHP Security
1. IntroductionWriting PHP applications is pretty easy. Most people grasp the syntax rather quickly and will within short time be able to produce a script that works using tutorials, references, books, and help forum forums like the one we have here at PHP Freaks. The problem is that most people forget one of the most important aspects that one must consider when writing PHP applications. Many beginners forget the security aspect of PHP. Generally, your users are nice people, they will...
PHP,Security,SQL Injection,XSS Cross sit 2011-10-01 02:25:31
True Scala complexity
Update 2: Sorry for the downtime. Leave it to the distributed systems guy to make his blog unavailable. Nginx saves the day.It’s always frustrating reading rants about Scala because they never articulate the actual complexities in the core language.Understandable—this post is intended fill that gap, and it wasn’t exactly easy to put together. But there’s been so much resistance to the very thought that the complexity exists at all, even from on up high, that I thou...
Scala,Complexity 2012-01-10 07:17:07
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