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  JavaScript efficiency catch up

JavaScript is a very flexible language, we can write JavaScript code freely with various styles, different kinds of codes will have different execution efficiency. Here we summarize some tips we get from our development. Efficiency of JavaScript itself JavaScript has execution context chain, closures, prototype inheritance, eval etc. It brings us some magic features, but it also introduces the performance issue, if we don't use them properly, it will affect the codes execution efficiency. 1. Glo...

   JavaScript,efficiency,event delegation,eval     2013-04-02 04:08:46

  Cybersecurity | The New Dangers That Lurk Online and Their Solutions

(Image source: Pexels) Data is one of the most important things to us. While robbers that steal valuables like laptops, phones, or money are still a threat, cybercrimes are also more dangerous than ever. That’s because your data is far more valuable than you might think. Companies benefit from users’ data by applying it for their indexing, marketing, and accumulation needs. They actively use this information to sell you more products. Have you ever visited Amazon and instantly got a ...

   DATA SECURITY,VPN     2020-04-23 06:47:37

  Some tips for writing proper emails

Email is now becoming one necessity of working. We may receive hundreds of emails everyday, they may from our colleagues, friends or clients. We need to exchange ideas, arrange meetings , asking for help etc though email in our work. A proper email can help us achieve what we want to achieve. Here we share some tips for writing a proper email.At the beginning of an email : Thank the reader is a good way to start the email, thank the reader may make the reader feel happy, especially when you ask ...

   EMAIL,TIP,FORMAT,TEMPLATE     2012-07-02 12:26:32

  Sony is to release PlayStation4 in 2015

According to Japanese media, Sony may release its flagship game console PlayStation 4 in the Christmas 2013, codenamed Orbis, As the source of the message is very reliable, so the possibility of a new generation of Sony PlayStation 4 game console to the market next year is still quite large. Sony has registered the Orbis domain name, but people are still unable to obtain relevant news on the Orbis website. The release plan on the Sony PlayStation4 game console will be officially launched this s...

   Sont,PS4,PlayStation,High resolution     2012-04-04 08:44:13

  Tim Cook : 100 million iPads are change people's life

In today's Apple conference, Tim Cook revealed a number Apple achieved two weeks ago, Apple iPad is sold 100 million units in past 2.5 years. Moreover, the iPad brings network traffic of 91% among all network traffic in tablet PC market. In 2.5 years, Apple's iPad series have 3 members: the iPad, iPad 2 and the New iPad. Cook said the iPad's mission is to make things originally complex and confusing simpler so that even the the general children or the elderly can complete. Indeed, the iPad is ...

   iPad, Market,Surface     2012-10-23 14:48:13

  Why doesn't Google copy successful startup ideas?

Google is definitely one of the largest players in Internet world. It owns the most popular search engine, mobile operating system and mapping service. It not only has huge user base but also is extremely rich. It can copy and create any product that is proven to be successful with its talent pool and money. But why doesn't Google copy those successful startup ideas? Based on the current status quo and culture gene of Google, there are several reasons Google doesn't copy startup ideas. First, Go...

   Google,Startup,Copy     2013-09-11 07:03:02

  The Giant Mafia

There is an old Chinese saying "Things of a kind come together. People of a mind fall into the same group.". In the wave of Web 2.0, there are many emerging IT giants coming out the world. And many of them are founded by a group of people who previously worked together at the same company such as PayPal and Facebook. This is called giant mafia. Let's see what people from the big IT giant have done after leaving the original company. The PayPal mafia Peter Thiel, co-founder and CEO of PayPal bef...

   Facebook mafia,PayPal mafia,Twitter mafia     2015-04-04 10:32:00

  Write Your Own R Packages

Introduction A set of user-defined functions (UDF) or utility functions are helpful to simplify our code and avoid repeating the same typing for daily analysis work. Previously, I saved all my R functions to a single R file. Whenever I want to use them, I can simply source the R file to import all functions. This is a simple but not perfect approach, especially when I want to check the documentation of certain functions. It was quite annoying that you can’t just type ?func&n...

   DATA SCIENCE,R PROGRAMMING,DATA ENGINEERING     2019-10-19 07:20:52

  Some hidden XSS injection vulnerabilities

XSS injection refers to a Web page generates some unexpected executable js codes based on user input  and these executable codes are executed by web browser,i.e, the source code sent to web browser by the server contains some illegal js codes, and these illegal js codes are related to user's input. Common XSS injection vulnerabilities can be fixed with some functions such as htmlspecialchars(escaping HTML special characters) and strip_tags() or similar, but there are some hidden XSS injecti...

   XSS,PHP,Security,Code,JavaScript     2012-08-27 20:32:08

  8 Optimization Rules To Improve Visibility Of your Ecommerce Store

The success of an Ecommerce store depends on its page rank. If your store pops up in first page then there are higher chances of getting noticed. But getting a spot in page 1 is no mean task as web crawlers are very smart in identifying a quality content. These crawlers follow a specific pattern in setting up a yardstick for a quality content. You need to understand what does a quality content mean from a search engine perspective. Here are the rules to be followed.   #1 Unique content is ...

   marketplace apptha, multi vendor marketplace, magento marketplace     2015-03-09 07:16:16

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