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  A C++ program puzzle

Recently I came across a question asked by wang2191195 on a Chinese IT forum CSDN which asks about a C++ program puzzle. He has a code snippet which cannot be compiled. The code is:#include <cstdlib> #include <iostream> using namespace std; class Base{ public: virtual void func(){ cout << "Base::func()" << endl; } virtual int func( int num ){ cout << "Base::func( int " << num << " )" << endl; return 0; ...

   C++,Puzzle,Hide,Overload     2012-05-13 02:31:26

  Why cannot Renren be China's Facebook?

Yizhou Chen, CEO of China's SNS community Renren, shouted "one war, three battles". We do not know now how the battle progresses. Currently Renren's net market value is $1.3 billion where 900 million of them are in cash, it means the market values Renren 400 million US dollars only which is far lower than Facebook. Why cannot Renren be China's Facebook? This is a very interesting topic, many users share their opinions, Some of the main points are summarized as follows:Facebook pay more attentio...

   Renren, Facebook,SNS     2012-11-22 11:44:33

  Something you should know about programming even if you are not a programmer

Out daily life are deeply affected by software and web. More and more people are realizing the importance of software, For example, you want to travel to Brazil for the world cup, right? You should first book the ticket online, when you book the ticket, you should pay for the ticket with your credit card, after successfully booking your ticket, you will get a e-ticket in your mailbox. When you arrive at the airport, your identity information will checked against the immigration database system, ...

   Programming,Programmer     2014-06-11 10:06:40

  Which Type of IT Career is Best For You?

Considering the growth of the information technology job market, a career in IT is an incredibly smart career move.  A career in IT can mean many things – you can become a network administration, website developer, database specialist, programmer or engineer. The job range is vast and can suit various personalities and levels of technical skill. Having a good insight into those job profiles is key to make the right decision about your career path. Here's a selection of some of the mos...

   career,IT,tips     2014-07-30 09:21:40

  Inspiring facts about JavaScript

JavaScript has been advocated as the first language to be learned by people who want to program. We have discussed the reasons why we should do so. Recently with the popularity of Node.js, JavaScript has become a full-stack language,  it can be used as both frontend and backend programming language. Today we will give some hard facts which will convince you about the popularity of JavaScript. Just like William Ting said ""JavaScript will stay relevant as long as people use the internet". Ye...

   JavaScript,popularity     2014-06-07 08:52:36

  Does My Online Business Need Log Aggregation?

Logs crop up all over the place. They are generated by everything from web servers and databases to the firewalls which protect them from breaches. Because logs accumulate in large volumes from all of these different sources, log aggregation is an important process which works to organize and impose order over otherwise disparate log files. That sounds good, but should your online business be eager to jump on the log aggregation bandwagon? Here is a look at the main benefits and considerations t...

   SOFTWARE DESIGN,LOG AGGREGATION     2021-10-12 21:44:39

  The iFOREX Trading App is First Class

If you have searched the web for trading application reviews, you are bound to hear terms like ‘state of the art’ and ‘lightning fast execution’. The real question you should ask is - Can you trust the broker who will facilitate your trading to provide you with a robust platform that has several tools that will allow you to successfully trade. You want to make sure that the platform is intuitive and does not take weeks to learn how to use.   The iFOREX trading platfo...

   APP,TRADING,IFOREX     2018-12-20 08:07:35

  Ways to check existence of JavaScript object

The design of JavaScript is not so sophisticated. It's very easy for us to make mistakes if we are not very careful when using JavaScript. For example, to check the existence of JavaScript object. Now we want to check whether a global object myObj exists or not, if it doesn't exist, we declare it. The pseudo code for this is : if(myObj not exist){ declare myObj; } You may think it's very easy to write the code. In fact, it is much more difficult than we may think. Juriy Zaytsev says there are m...

   JAVASCRIPT,OBJECT,EXISTENCE     2020-09-12 02:14:02

  How big is sizeof structure?

First let's see the codes of a structure: struct node{ int a; int b; }; Question : What's sizeof(node)? The answer is very simple, on a 32 bit machine, an int will take 4 bytes and two ints will take 8 bytes. So sizeof(node) is 8. The answer for the above codes is 8, then how about the following structure: struct node{ char a; int b; }; Question : Then what's sizeof(node) now? int takes 4 bytes, char takes 1 bytes, is the answer 5? Now the answer may not be 5, on some mac...

   Data structure alignment, pack     2012-10-29 12:13:37

  Behind Start Screen of Windows Phone 8

Last week, Microsoft unveiled Windows Phone 8, in addition to some new features, the biggest difference between WP8 and iOS, Android is that it has a start screen consisting of abundant live tiles. Senior product manager of Microsoft Josh Phillips published an article on Microsoft official blog. He talks about the story behind start screen of Windows Phone 8. "How can we make Start even more personal" is the question Phillips and his team is always thinking about. Windows Phone makes the static ...

   Windows Phone 8,Start Screen,Live Tile     2012-11-03 02:27:22

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