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  Introduction to DTLS(Datagram Transport Layer Security)

Secure communication has become a vital requirement on the Internet. Lots of information transferred through the Internet are sensitive data such as financial transactions, medical information, media streaming etc. To ensure security of data transferred on the Internet, a few secure protocols have been designed including SSL/TLS and IPsec. Many large websites in the world have adopted TLS. Apart from SSL/TLS, there is some other protocol designed to be used in special cases. One of them is ...

   JAVA 9,DTLS,TLS,SECURITY     2016-04-02 05:55:36

  Tom Uglow from Google : 5 steps to innovation

Google has been known for its innovation In Google there is a "welfare": each employee can spare 20% of his/her time to do what he/she likes to do so that any idea has a chance to be turned into reality. Perhaps this freedom makes Google capable of introducing new products and new ideas continuously. Google China held a small discussion session in its office in Tsinghua Science Park recently, Google Creative Director Tom Uglow shared some experience and cases of Google in production and innovat...

   Innovation,Technology,Google     2012-10-10 20:00:47

  Jack Ma : Where are you going during the weekends?

Jack Ma, the Chinese e-commerce giant Alibaba founder and executive chairman, was reported to show up in a night club named Dragon-i in Hong Kong on 17th August night (Beijing Time).  It became the headline in China soon after this news was reported as many people thought it was quite unusual that a successful and super rich business man like him would show up in night clubs. Jack Ma explained on his Weibo(China's Twitter) on this and he posted a question to people as well which ...

   Alibaba, Jack Ma, Night club, Bar, Hong Kong     2015-08-23 02:42:59

  Why cannot compare double values directly for equality?

A question in PHP: Get some value from the database and use floatval() to convert it to floatint point value, then compare it with another value which is also converted to floating point value with floatval(). These two values are the same when using var_dump() to output, the two outputs are float(8.87), they are the same. But when comparing them for equality, the result is weird., they are not equal. Why?To analyze this question, we need to start with PHP data types. PHP uses weak types. In PHP...

   PHP,floating, precision,compare,equality     2012-06-27 09:01:36

  Let 's write some front end codes

I've seen a lot of arguments that there is no much technical value writing web portal, I think that the vast majority of good programmers will try many different things. The low level development and machine learning are not the only technologies which are  full of wisdom and challenges, I wrote web site for a few years, it is difficult to say that this is my initial interest, although I touched on other technologies as well, I still feel building website is challenging. Front end developme...

   Front end development, JavaScript,CSS     2013-01-22 04:00:24

  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

  A Python assignment trap

Python has no assignment, it only has reference. Assume, we have following code snippet: >>> values = [0, 1, 2] >>> values[1] = values >>> values [0, [...], 2] Why the result is not [0, [0, 1, 2], 2], instead it goes into an infinite loop? To understand this, we need to understand some basics about Python. Python has no variables, it only has labels. When we run: values = [0, 1, 2] Python will first create a list object [0,1,2], then it labels it as values. If we later...

   Python,Assignment,Trap,Shallow copy     2013-07-19 22:08:36

  Java development company briefs about Lazy and Eager fetch in JPA/Hibernate

Normal 0 false false false EN-IN X-NONE X-NONE

   JAVA,JAVA DEVELOPMENT COMPANY,LAZY FETCH,EAGER FETCH,JPA,HIBERNET     2016-07-08 06:08:28

  The ‘Edge’ in Developing for Android Devices

In today’s times, the consumer is spoiled for choice with the number of options they have with respect to owning mobile device hardware and their operating systems. This diverse availability raises a critical question for both independent developers as well as large app development companies as to which platform to target. Although for larger app development companies, it is possible to simultaneously develop for multiple platforms, it might not be the case for small-scale enterprises. In...

   Android App Development Company, Web Application Development Company, Android App Developers, Web De     2015-08-07 05:36:11

  Engineer mindset in internet companies

This post tries to list down how we keep engineer mindset while doing development work. We engineers are the ones deliver the actual product by writing each and every line of the code, in order to deliver high quality and less buggy code, we should keep reminding ourselves what needs to be paid attention to during our daily development work.  So what is engineer mindset? Engineer mindset is that we should keep in mind that each and every line of code we write should serve the purpose well a...

   ENGINEER MINDSET,INTERNET COMPANY     2021-10-07 04:09:08

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