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  Flash, HTML5 comparison finds neither has performance advantage

A comparison of streaming video via the Adobe Flash and HTML5 formats with numerous different browsers on both Mac and Windows produced wildly different results based on the operating system and browser, making neither a clear winner. The test, from Streaming Learning Center, was conducted in response to recent comments alleged to have been said by Apple co-founder Steve Jobs, in which he reportedly called Flash a "CPU hog." While the test found that HTML5 is significantly more efficient th...

   html5,flash,performance,comparison     2011-07-01 10:08:00

  Can two new objects point to the same memory address in GoLang?

Do you have any idea what the output will be for below GoLang snippet? package main import ( "fmt" ) type obj struct{} func main() { a := &obj{} fmt.Printf("%p\n", a) c := &obj{} fmt.Printf("%p\n", c) fmt.Println(a == c) } Many people would think that a and c are two different object instances which have different memory addresses. Hence a == c will be false. But if you try to run the above program, you would see below output 0x5781c8 0x5781c8 true To get to know the reason wh...

   GO,GOLANG,VARIABLE ESCAPE,ZEROBASE     2019-04-06 01:19:52

  Google to build Google Babble to unify all its chat tools

--Note : Image is from www.36kr.com If Google Talk / Hangout / Voice / Messenger are put  together, what will you find?They are all chat tools launched by Google, but with careful comparison, you will find that the difference between them is not very big. The useful tools are Google Talk and Google+, but both of them needs to be improve their user experience.According to Geek.com, Google is planning to launch a chat application Google Babble which will integrate all its chat tools and serv...

   Google Babble,Chat tool     2013-03-19 13:02:47

  Say good bye to netbook

Asus and Acer are the last two manufacturers of netbooks, but these two companies announced that they would not manufacture netbooks starting from January 1, 2013. Prior to them, Samsung, Hewlett-Packard and Dell stopped production of the netbooks. This means that the life cycle of netbook officially ended.Back to 2009, the U.S. market research firm ABI Research was very optimistic about netbook's future, they said netbook would open a new era for PC market and predicted netbook shipments would ...

   Netbook,Tablet PC, Comparison     2013-01-02 11:53:33

  sorting in C++: 3 times faster than C.

If you don't know C++ well, you might be surprised how fast C++ can be sometimes. This is especially true when code involved is small, because then inlining - which is what C++ is very good at - and templating, which makes excessive inlining possible in the first place - has the most effect. The following code compares C and C++ sorting:  #include <iostream>#include <algorithm>#include <vector>#include "stop_watch.inl" // see https://...

   C++,Sorting,C,faster,efficiency     2012-03-17 12:59:45

  Understand Virtual DOM

With the popularity of React, the internals and implementation of Virtual DOM has becoming top discussed topic in tech communities and interviews. This post will give an introduction of Virtual DOM and how to implement a simple Virtual DOM logic. How to understand Virtual DOM In early days, front end developers would update a webpage view based on the data status change(usually after making AJAX call). But it brings performance penalties when there is frequent update as it would cause page reflo...

   JAVASCRIPT,DOM,VIRTUAL DOM     2019-12-07 23:43:04

  mysql_fetch_array(),mysql_fetch_assoc() and mysql_fetch_row()

In PHP MySQL mannual. There are three functions which need to be clarified for some users who may get confused when choosing which one to use to get the result. mysql_fetch_array() : by seeting the different parameters, there are three ways to return the result set. MYSQL_ASSOC(Result set with field names as the associative indexs.It means you can use the field name as the index to get value of the specified cell). MYSQL_NUM(Result set with field names as the number indices). Or MYSQL_BOTH(...

   PHP,MySQL,resultset,comparison,mysql_fet     2011-08-05 04:53:09

  AOL is the biggest winner of Internet Stocks in 2012

At the beginning of 2012, not many people would think that the best Internet stock is AOL(American Online) in 2012. But now there are only four trading days left in 2012, AOL leads the mainstream technology companies with a 99.8% increase in its share price and firmly sits on the throne of the Year Internet Stock. AllthingsD chooses ten technology companies and their stock market performance in 2012 to do a comparison and gets the above figure. AOL has a 99.8% increase in share price which is a...

   AOL,Stock market     2012-12-27 11:29:17

  Why 0.1+0.2 != 0.3

In programming languages such as JavaScript, c/c++, Java and Matlab, you will find that you will get unexpected result when doing float point calculation. For example, when calculating 0.1 + 0.1, you will not get 0.3: > 0.1 + 0.2 == 0.3 false > 0.1 + 0.2 0.30000000000000004 Don't be surprised of this result, this is the end result of IEEE 754 standard, float point number cannot be accurately represented according to IEEE 754 because: No enough memory is allocated for representing the num...

   float point,comparison,JavaScript     2014-11-19 05:32:46

  Apple unveils iPad Mini

Apple unveiled iPad family's new product -- iPad Mini, it means that Apple gets into 7 inch tablet PC market now formally. iPad mini, has a 1024*768 resolution 7.9-inch screen, It has the same resolution as iPad 2. As a low-end product of iPad family, iPad mini still retains the front and rear camera, a dual-core A5 processor, battery life time is 10 hours. Apple said that the iPad mini battery is the thinnest and biggest in iPad family. Previously the media said the smallest storage space of iP...

   iPad mini,Price     2012-10-23 15:10:41

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