Today's Question:  What does your personal desk look like?        GIVE A SHOUT

SEARCH KEYWORD -- Unit test

  Java vs F#

Dr Cliff Click of Azul Systems, specialists in manycore JVM systems, recently published a blog post about the performance of Java compared primarily to C and C++ but also discussing C# and .NET. Three of Cliff's comments are of particular interest:Under the heading "Places where C/C++ beats Java for obvious reasons":"Value Types, such as a 'Complex' type require a full object in Java." - Dr Cliff ClickWhat Cliff forgot to mention is that .NET also provides value types and a far more compell...

   Java,F#,Performance,JVM     2012-03-07 05:07:31

  HTML5 Web Worker

Web Worker is a JavaScript multithreading solution provided by HTML5. we can put some compute intensive codes into Web Worker and it will not hang the user interface. 1. How to use Web Worker Web Worker's basic mechanism is to use Worker to load a JavaScript file to create a new thread in JavaScript's main thread. It will not block other thread's execution and will provide a data exchange interface between main thread and new thread : postMessage() and onmessage. Let's look at an example: //work...

   JavaScript,HTML,Web Worker     2012-12-02 06:25:00

  10 Object Oriented Design principles Java programmer should know

Object Oriented Design Principles are core of OOPS programming but I have seen most of Java programmer chasing design patterns like Singleton pattern , Decorator pattern or Observer pattern but not putting enough attention on Object oriented analysis and design or following these design principles. I have regularly seen Java programmers and developers of various experience level who either doesn't heard about these OOPS and SOLID design principle or simply doesn't know what benefits a particular...

   OOP design,Principle,Java     2012-03-14 13:51:38

  AI solves complex biology problem from scratch

An interdisciplinary, interuniversity group of scientists from Vanderbilt, Cornell, and CFD Research Corporation have created an artificial intelligence capable of solving complex scientific problems from scratch. The AI, called ABE (Automated Biology Explorer), “discovered” how glycolysis produces energy in a living cell by looking at a set of data and then squeezing it into a mathematical formula, just like a human biology researcher.ABE is powered by the freeware Eureqa softw...

   AI,Artificial intelligence,Biology,ABE     2011-10-17 11:08:58

  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.”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

  Landing page optimization : Less is more

There is a question on Quora : Why doesn't Quora show interesting questions/answers on their landing page? Why is it this? not this? Quora's product manage gives his answer to this question, it's agreed by many users in this community. Here is his answer: The logged out homepage is pretty sparse now mostly because it hasn't been given much treatment since the initial product launch. But we have plans on redesigning it and testing different variations (some with less info on the page, some with...

   Landing page,Optimization,Principle     2012-11-03 01:50:07

  Microsoft is transforming XBox into a PC controlled by expressions

According to the Voice of China "News Coverage" report. When Apple products are changing  the world, the original computer giant Microsoft is also quietly looking for their new foothold in the field of electronics. This time the breakthrough is from its game console Xbox.Xbox was originally a single function console, there are signs that Microsoft may be planning for the Xbox into the computer with new functions. The selling point of this new product lies in its function of communic...

   Microsoft,XBox,New PC,China     2012-04-01 06:57:04

  Java Interview Questions

Currently there are many articles online which summarize the list of Java interview questions. Some cover lots of basic questions and some cover some specific questions in specific area such as multithreading. In this post, we will not cover the really basic questions, we will cover something different. For basic question, you can read Java Interview Questions。 Basic What is primitive data type? How many primitive data types in Java? What are they? -- A primitive type is prede...

   JAVA,SECURITY,INTERVIEW,CAREER,MULTITHREADING,QUESTION,JAVA INTERVIEW,JAVA CORE     2019-01-21 07:07:08

  Display GIF animation while submitting the web form

Internet appears everywhere in our life. Form as a data gathering component is the must have component in a web app. When the page is submitting data to the server, if it takes a relative long time for the backend server to process the data, then the client users will feel lost while waiting for this if he cannot get any indication about what's happening. They may even reclick the button which will cause the data resubmission. This affects the user experience and also the system performance and ...

   HTML,Spin,Submit,Form     2013-05-17 11:47:07

  Walking through doorways causes forgetting, new research shows

We’ve all experienced it: The frustration of entering a room and forgetting what we were going to do. Or get. Or find.New research from University of Notre Dame Psychology ProfessorGabriel Radvansky suggests that passing through doorways is the cause of these memory lapses.“Entering or exiting through a doorway serves as an ‘event boundary’ in the mind, which separates episodes of activity and files them away,” Radvansky explains.“Recalling the decision...

   Memory loss,Doorway,Forget,Advice     2011-11-21 10:11:19

RECENT