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  What's wrong with us in Mobile Era?


Every day when I surf the Internet, I find much news about new smartphones and Android, iOS apps. Also I can find many people use iPhones and other smartphones with Android OS. Apparently we are now in Mobile era. People can find tons of news that says how Mobile has changed our life, made our life simpler and how easy we can know the world with mobile technology. Yes, it's true, now we only need to press a button, we can know what happens in USA which is thousands kilometres away from us. We ca...

   Mobile,Cold,Stay away,Smartphone     2012-01-07 12:10:35


  Why does Symbian collapse?


On 24th January, Nokia announces a disappointing news that they would give up Symbian. The 808 PureView released last year will be its last Symbian model.  Symbian was born in 1998, it was supported by the then three mobile giants : Sony Ericson, Motorola and Nokia after its birth, later Samsung and LG also joined the Symbian camp. In 2000, the first Symbian model in the world Ericoson R380 was released, in 20006, there were over 100 million Symbian handphones on the market. But in 2007, t...

   Nokia, Symbian, Collapse, Analysis     2013-01-28 03:06:09


  In-memory key-value store in C, Go and Python


Subtitle: Wow Go’s net library is fast On paternity leave for my second child, I found myself writing an in-memory hashmap (a poor-man’s memcached), in Go, Python and C. I was wondering how hard it would be to replace memcached, if we wanted to do something unusual with our key-value store. I also wanted to compare the languages, and, well, I get bored easily! The code is on github as Key-Value-Polyglot. Each version implements enough of the get and set commands from the memcached pro...

   key-value,Memory,C,Python,Go     2012-03-21 09:21:51


  I hate cut-and-paste


Me, I blame the IDE's.Coding used to be hard. Not because programming itself was overly hard, but mostly because editors absolutely sucked. How much the typical development environment in the 70's and 80's sucked is hard to convey (except for a very lucky few, and those would have likely been using DEC and WANG gear). I got in on the tail end of the punch card era. Punching your own program is lots of fun. Once. And if you drop a deck you get to play with the sorter, which is also lots of fun (o...

   IDE,Editor,Cut and paste,Shortcut,Blame     2011-10-24 11:33:46


  GitHub : Code is the most direct way for programmers to communicate


If not invested by Andreessen Horowitz, GitHub might not be noticed by Forbes, CNN, New York Times. People didn't know this tool because it was very far away from the world -- GitHub is a project hosting service used by programmers.But to some programmers, it is not just a place for project hosting, it is`also the hub for open source projects, a place for programmers improving themselves and a social network for programmers.There are around 3.26 million projects hosted on GitHub currently, inclu...

   GitHub,Open source,Hosting,Social     2012-07-20 11:38:31


  Facebook fires a few Chinese employees


There is a big news happening in the Silicon Valley in past few days. Facebook fired a few Chinese employees for bringing outsiders into Facebook's campus and canteen on a charged basis. It's well known that tech companies in Silicon Valley provide attractive welfare to their employees. We often heard about the news that lots of free service(including free food, free laundry, free massage etc) are provided to employees to encourage them to stay effective when working. This is good news and welc...

   Facebook,Chinese employee, Chummy     2015-09-03 07:39:05


  10 Points about Java heap memory


When I started java programming I didn't know what is java heap or what is heap space in Java, I was even not aware of where does object in Java gets created, it’s when I started doing professional programming I came across error java.lang.outofmemoryerror then I realized What is Heap in Java or Java Heap Space. Its happens with most of programmer because learning language is easy but learning basics is difficult since there is no formal process which can teach you every basics of programm...

   Java,Heap memory,Tips     2012-02-20 05:38:06


  Command line todo list manager-- Taskwarrior


What is Taskwarrior? Taskwarrior is a task management tool in a terminal environment, it has powerful functions. Here is a short description about it from its official website: It maintains a task list, allowing you to add/remove, and otherwise manipulate your tasks. Task has a rich set of subcommands that allow you to do sophisticated things. You'll find it has customizable reports, charts, GTD features, device synching, documentation, extensions, themes, holiday files and much more. Installa...

   Taskwarrior,Task management     2013-08-12 23:44:20


  Lessons Learned while Introducing a New Programming Language


I've used a lot of languages (professionally) over the years: (off the top of my head) Cold Fusion, HTML, Javascript, php, SQL, CSS, ASP(classic & .net), C#, Ruby, Flex, Java, & Clojure. Each language has pros and cons. Being a programmer, it's easiest to discuss the cons - and in general I believe it was best said:I hate all programming languages - Matt FoemmelI think it's important to start with this in mind. At some point you're going to hate what you're advocating, so imagine h...

   Experience,New language,Tips,Risk     2012-03-05 05:13:59


  Some Thoughts on Twitter's Availability Problems


As a regular user of Twitter I've felt the waves of frustration wash over me these past couple of weeks as the service has been hit by one outage after another. This led me to start pondering the problem space [especially as it relates to what I'm currently working on at work] and deduce that the service must have some serious architectural flaws which have nothing to do with the reason usually thrown about by non-technical pundits (i.e. Ruby on Rails is to blame). Some of my suspicions ...

   Twitter,Architecture,Availability,Design     2011-08-12 07:39:21