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  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

  A simple example of drawing bar chart with label using d3.js

D3.js is a very popular graph library to help developers draw various kind of charts using JavaScript in a webpage. It utilizes the SVG format supported by all major modern browsers and can help developers get rid of the old age of Flash or server side graph drawing libraries. In this post, we will introduce some simple examples of drawing bar chart with labels using D3.js.  First, let's see what will be the final look of the graph drawn. Below is the complete source code for this example....

   JAVASCIPT,D3,BAR CHART,LABEL,TUTORIAL     2020-05-16 23:25:40

  How Charts Using Logarithmic Scale Provide Insight Into Your Business

In the dynamic realm of business, understanding data is as important as acquiring it. Analytical tools like charts, graphs, and tables aid in data comprehension. Among these tools, the necessary prowess of charts using logarithmic scale often goes unnoticed. Keep reading to know how this instrument can become a game-changer in your business analysis. Understanding Logarithmic Scale Before throwing light on its applications, it's crucial to understand the concept of a logarithmic scale. Unlike l...

   LOGARITHMIC CHARTS,BUSINESS SOLUTION     2023-12-09 02:34:17

  Will Weibo's IPO be a success?

The Chinese version of Twitter -- Weibo is going to launch its IPO today on NASDAQ. The stock code is "WB" and its target price per share is set to $17. The total funds it's going to raise is around $328.44 million. Weibo claims it's the first Chinese SNS media to be listed on NASDAQ. Goldman Sachs and Credit Suisse are the joint lead underwriter of the IPO. They have gained one option from Weibo for validity of 30 days to buy 2.52 million shares of ADS. One interesting thing is Goldman Sachs ...

   Weibo,NASDAQ,IPO     2014-04-17 07:33:42

  Mark Zuckerberg delivered his first Chinese speech in Beijing

Facebook founder and CEO Mark Zuckerberg delivered a speech in Chinese at "Tringhua Students Dialogue with Board Members" on Oct 24, 2015 in Tsinghua University, Beijing. This is the first time he used Chinese throughout the whole speech. Though his Chinese is not that fluent, his hard work on learning Chinese is well appreciated.  In this speech, he shared three stories : mission, care and looking ahead. Mission You have to believe in your mission. When you have a mission, it will help yo...

   CHINESE,TSINGHUA,FACEBOOK,MARK ZUCKERBERG     2015-10-24 21:42:04

  Google is returning back to China

It has been five years since Google announced its difficult decision to leave China in 2010. The well known reason was that Google didn't want to conform to China's censorship request on sensitive information. During these five years, many stories happened bbetween these two sides. Things may turn around now as there are a few indications where Google may return back to China at an appropriate time soon. The most convincing indication is that a customized Google play -- Google online shop may a...

   Google,China,Alphabet,Google play     2015-09-06 04:13:30

  Alibaba pays all cash to acquire Youku Tudou

Alibaba announced that it had signed the agreement to acquire "China's YouTube" YouKu Tudou on November 6 Beijing Time. This deal will make Alibaba the leading entertainment and media company in China. The highlight of this deal is that Alibaba will pay all cash. When this acquisition is completed, shareholders from Youku Tudou can get cash with $27.60 per ADS. The board has approved this acquisition and they are asking the shareholders to vote to approve this deal. This deal is expected to be ...

   CHINA,ALIBABA,YOUKU,NEWS     2015-11-06 20:26:31

  Create cron job on CentOS

These two days, I am building a website and deploying it on a VPS server which uses CentOS 5. I don't have cPanel or Plesk for my account, so I need to install and configure everything myself including Apache, PHP, MySQL and FTP server, also today's topic cron job. Since my website has a ranking algorithm to calculate the rankings of each link and update the ranking on database and I need to calculate the rankings every 5 minutes, so I think to use cron jobs. Here are what I have done which may ...

   cron job,crontab,CentOS,linux,php,example     2012-06-11 09:23:45

  Java 9 release is delayed again

The original Java 9 planned release date is March 2017. But latest source shows that Java 9 release will be delayed again to July 2017. It's four months later than the planned date. Oracle Chief Architect of Java Platform group Mark Reinhold proposes this new release date in a message sent on the OpenJDK mailing list.  Despite this progress, at this point it's clear that Jigsaw needs more time. We recently received critical feedback that motivated a redesign of the module ...

   JAVA,RELEASE DATE,JAVA 9,JAVA 9 DELAY     2016-09-26 12:22:53

  Php Class to Retrieve Alexa Rank

Alexa is a service acquired by Amazon which offers a web traffic report for websites. They retrieve the data from toolbar that can be installed in different browsers, centralize the data and display reports to anyone. The most important indicator is the Alexa Rank. It represents the rank of a webpage in a list of all the websites. It’s not the 100% accurate but it gives a good indication.Alexa does not offer any free API to obtain Alexa Rank. However there is a simple method to obtain it ...

   PHP,Alexa,Alexa rank,API,Retrieve Alexa rank     2011-10-25 11:28:55

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