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  A plugin to update last_error in Delayed Job

delayed_job is a process based asynchronous task processing gem which can be ran at background. It will fork the specified number of processes to execute the tasks asynchronously. The task status is usually stored in the database so that it can be easily integrated into a Rails application where asynchronous job execution is desired. Normally when a job fails to execute or error occurs, it would save the error into the database with the column last_error. Ideally all these will be handled b...

   RUBY,RUBY ON RAILS,DELAYED JOB,LAST_ERROR     2017-11-18 13:05:49

  From College To Silicon Valley: Tips From A Veteran

Editor’s note: Pedram Keyani has been an engineer at Facebook since 2007. He is a manager on the Site Integrity team, the inventor of Keg Presence and a Hackathon enthusiast. Looking for internships and jobs after college can be exhilarating, especially for people with engineering and other technical expertise. In an otherwise tough job market, demand for software engineers is higher than ever right now. You may find that companies are actually competing to pay you for the knowledge y...

   Career,College,Silicon valley,Transition,Experience     2012-02-20 05:34:24

  Location matters for your startup

18 months ago I relocated from my home town of Glasgow, to London, just 400 miles away. An important reason for the move was because I had just started working on my new startup, Teamly, and I know that location matters, even when running an internet business. Don’t kid yourself otherwise, your chance of success is seriously improved when you’re in a startup hub.18 months later and moving to London has proved to be a smart move, for all the expected reasons, as well as  t...

   Startup,Location,Company,Brand,Popular location     2011-10-22 13:01:39

  The Wasteful Legacy of Programming as Language

A few years ago I visited a friend who is a graduate student in linguistics. After some time he asked me if I was aware of the work by Chomsky on formal languages. I told him that yes, Chomsky work was a basis for much of the developments in theoretical computer science. More than that, I was glad to learn that there was something technical that I could share and discuss with other people in linguistics. At the time I found this was just a great coincidence. It was only recently, though, t...

   Programming language,Human language,Chomsky     2011-11-28 10:36:34

  Obviously Correct

What do automatic memory management, static types and purity have in common? They are methods which take advantage of the fact that we can make programs obviously correct (for some partial definition of correctness) upon visual inspection. Code using automatic memory management is obviously correct for a class of memory bugs. Code using static types is obviously correct for a class of type bugs. Code using purity (no mutable references or side effects) isobviously c...

   Memory management,Code,Static,Purity     2011-11-07 08:13:05

  A Solution to CPU-intensive Tasks in IO Loops

Back in October 2011, Ted Dziuba infamously said that Node.js is Cancer.  A provocative title to a provocative article.  The only thing it didn’t really provoke in the commentary was much thought ;)  Zing. My interpretation of the article is that Ted holds up the classic blocking-IO process-per-request (or  thread per request; same difference) model as superior.  Yet we all remember where the blocking-IO forking model got Apache in the early days.  ...

   CPU,Intensive IO loops,Solution,C++     2012-02-06 07:42:40

  Discovery kills distribution: why the web needs a new leader

[Apple and Google have locked application discovery and distribution within their app stores. VisionMobile's Andreas Constantinou explains how Facebook is using the web to disintermediate Apple/Google and why the web needs a new leader].The platform duopoly.In just the space of 3 years, the mobile platforms landscape has changed from an election race to an oligarchy. The network effects at the heart of the Apple and Google business models have created formidable barriers to entry. The growth in ...

   Web,Leader,New era,Google,Apple,Mobile     2011-10-18 02:53:29

  India: The World's Secret Silicon Valley

You might not know it, but a key cog in the global innovation machine is hiding in plain sight in the world's largest democracyReutersFor many firms, developing new products for consumers around the world is the most visible manifestation of innovation - the "real deal." But many people still see India as a place where other people's ideas are made or executed and not where innovation begins. (After all, you don't hear about an Indian equivalent to Google, iPod or Viagra.) Bu they're wrong. In m...

   Innovation,India,Silicon Valley,GE,Chip,Intel     2011-11-16 08:06:54

  Successful Web Design: It’s All About The Details

While the tools are out there for almost anyone to build a website, the most successful designs all share a few characteristics. These sites tend to be organized well, have great content and have all the design details in order. Small parts of your site, from alignment and bolding to contrast and color, can make or break the design. Taking care of the details before your project is published will ensure the page has a clean overall feel. Unorganized design and lack of attention to detail ...

   Web design,Details,Success     2012-04-16 13:38:56

  9 reasons to use Zsh

Like majority *nix users, I have been using bash for many years. Sometimes I feel uncomfortable with bash. I tried use some other shells as well such as ksh, tcsh and zsh which I am going to talk about. A few days ago, I found an open source project ranking in the 6th named oh-my-zsh on Github, I downloaded it and had a try with it. It's amazing. We should use zsh to replace bash now. Why do we need to use zsh? Here is a 4 minutes YouTube video which shows many reasons why we should switch from ...

   zsh, advantage, command     2012-09-28 12:46:39

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