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  Nimbula 'cloud operating system' spans data centers

Nimbula – the build-your-own-cloud outfit founded by Amazon's former vice president of engineering – has announced a new release of its Director platform, saying it will allow businesses to run a unified "infrastructure cloud" across geographically separate data centers. In short, this means that those using such a cloud can log into a single console to tap computing resources served up from disparate physical locations. Nimbula says that Director is the first "cloud OS" t...

   Nimbula,Cloud computing,Data center,Arch     2011-08-23 08:06:39

  Android create button tutorial

This tutorial assumes that you already have an activity and are using an XML layout. Open the layout XML and add the button element.  Assign an ID with the “@+id” operator.  The + tells Android to generate an ID for this element so that you can reference it in your Java files. This is an example. Your layout and text elements will probably be very different. In this example case, the ID of the button is “close”. <Button android:id="@+id/close" android:lay...

   Android,Simulator,Button,XML,Tutorial     2014-11-07 08:30:10

  What has Google done on improving programming languages

Google is now becoming the most innovative IT company in the world. Every now and then they would deliver one revolutionary product to us such as Google Glass, Google Fiber, Automatic Mobile Cars etc. All these great products are backed up by the powerful software system built into. Google has used many programming languages to develop these software and they have put much resource in improving the programming languages they use and we use today. What has Google done in improving programming lan...

   Google,Programming     2014-02-21 09:36:34

  How does computer boot up?

The whole boot process of computer can be summarized in 4 phases. 1. BIOS In the 70's  read-only memory(ROM) was invented. The boot program is written into ROM, the first thing the computer does is to read and execute this program when it's powered on. The program in this chip is called "Basic Input/Output System" (BIOS). 1.1 Power-On Self-Test The BIOS will first check whether the computer hardware can fulfill the basic conditions for booting up, this process is called Power-On Self-Test...

   Computer, boot, partition     2013-02-23 23:19:47

  A handbook on the first day of joining a new internet company as BE engineer

When joining a new internet company, there might be lots of things need to be done to get ready for taking new challenges. These include both culture and tech preparation. in this post, we would focus on how to prepare the first day technically. The first thing to do is to get your laptop or your work machine up, these involves lots of tool setup and accesses. Normally there are three major task categories. Access As an engineer, there are lots of accesses needed to access different resources wi...

   TIPS,CAREER ADVICE,ONBOARDING     2021-12-11 21:32:10

  An ex-Mozilla employee's view about Chrome

Chrome now becomes the most popular web browser on the planet because it provides excellent user experience. As a general user, we think it's fast and easy to use. How about those who develop web browsers? How do they think about Chrome? Abhinav Sharma ,an ex-Mozilla employee and now Facebook employee, shared his opinion about Chrome. Mozilla fights an uphill battle given Google's advertising budget and capacity to have some incredibly good engineers and designers work on Chrome. They also came ...

   Chrome,Mozilla,Firefox     2013-07-28 23:09:19

  Which one cost more in development : Android vs iOS

As for which platform has more development cost, there are many different views. Using Android we no need to spend money on an expensive Mac computer, iOS test machine and $99 year fee for each developer account. While developing iOS apps does not require much testing, screen adaption, debug and script compatibility considerations. Let's see a few views shared by some developers. Nan Li, ERP/SAP/Mobile network/Japan/Apple/KKK@ifanr Because of the performance of iOS, it actually has domina...

   Android,iOS,Development cost,Comparison     2012-03-23 13:39:48

  The tips of learning Linux kernel

  As the Linux kernel has become one of the most gigantic and complex software project in the world, its complication scare many novices away. In this post, I will give some personal experience on how to learn Linux kernel, and hope these tips can offer some help to newcomers. (1) Download vanilla kernel and install it. Yes, I suggest you can find a physical machine, or if you really don’t have one at hand, virtual machine is also OK. Download the newest vanilla k...

       2017-07-28 22:53:11

  Why Lua

In this article, I would like to discuss why you should use Lua. This all started with a message that recently popped up on the Lua mailing list regarding why isn't Lua more widely used? The answers went from randomness to lack of libraries to a variety of other things, but the one that resonated with me most was that there are fewer people who enjoy the do it yourself approach, which Lua fully embraces. I've come to think of Lua as the Arch Linux of programming languages. Which, almost by d...

   Lua,Feature,C,Simple,Portable     2012-02-27 04:58:15

  CSS Tools: Reset CSS

The goal of a reset stylesheet is to reduce browser inconsistencies in things like default line heights, margins and font sizes of headings, and so on. The general reasoning behind this was discussed in a May 2007 post, if you're interested. Reset styles quite often appear in CSS frameworks, and the original "meyerweb reset" found its way into Blueprint, among others. The reset styles given here are intentionally very generic. There isn't any default color or background set for the bod...

   CSS,Cross browser compatibility,Reset,Partial reset     2011-12-05 02:44:11

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