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  Microsoft is the 17th largest contributor to Linux

The Linux Foundation has released 2012 Linux White Paper which analyzes developers and contributors of the Linux kernel from 2.6.36 to 3.2.The top ten contributors are: Red Hat, Intel, Novell, IBM, Texas Instruments, Broadcom, Nokia, Samsung, Oracle, and Google. The software giant Microsoft's contribution ranked at 17, while the company's CEO Steve Ballmer has claimed previously that Linux is a cancer. Microsoft engineers have contributed 688 patches, which are mostly related to Hyper-V vir...

   Linux,Microsoft,Contribution     2012-04-05 07:43:19

  Google feels the threat from Samsung

In response to Apple's iOS system, Google and Samsung stood on the same side. But with the increase of market share of Samsung Android devices, Google begins to feel the threat from Samsung.On MWC in Barcelona, a group of business executives said Google increasingly worried about Samsung after a private party. Because its equipment has occupied 40% of the Android devices, which could erode the Google advertising service. Google hopes manufacturers such as HTC and HP can challenge Samsung.It is r...

   Google,Samsung,Android     2013-02-27 21:12:17

  Why choosing Carnegie Mellon over Harvard?

Carnegie Mellon and Harvard are both well-known world class universities. They have attracted lots of students all around the world to apply for. But Carnegie Mellon and Harvard are two different types of universities, they have different focus as well. What drives people to choose Carnegie Mellon over Harvard? Yishan Wong, CEO of Reddit gave his opinion on Quora.  Because you can fail out of Carnegie Mellon.  It's well-known that once you get into Harvard, it's very difficult to fail ...

   Carnegie Mello,Harvard     2013-08-08 22:10:11

  Here is what XcodeGhost author says

The first compiler malware in iOS was disclosed by Chinese iOS developers on Wednesday(Beijing time). The name of this malware is XcodeGhost as described by Alibaba researchers who released the analysis of this malware.  The malicious code is located in a Mach-O object file that was repackaged into some versions of Xcode installers. These malicious installers were then uploaded to Baidu’s cloud file sharing service for used by Chinese iOS/OS X developers. Xcode is Apple’s offic...

   IOS,SECURITY,XCODEGHOST,APP STORE,APPLE     2015-09-18 20:51:38

  File upload in PHP

File is a special kind of form data, when being uploaded to the server through HTTP POST request, PHP will create a $_FILES global array, the relevant file information will be stored in this global array. We will illustrate file upload with some code snippets using PHP and look into the internal work mechanism. Lastly will talk about file upload security. File upload In order for users to upload files in client side, we have to provide a form on the user interface. Since the uploaded file is a s...

   File upload,PHP     2012-11-30 22:01:28

  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

  Xiaomi band with screen is around the corner

On May 10, the Chinese electronics company Xiaomi will hold a new product release conference to reveal its Xiaomi MAX, a new model of Xiaomi phone. Along with this phone, there will be other product releases as well, one of them will probably be the next generation of Xiaomi Band. In April, Lei Jun, Xiaomi CEO, seemed leak the look and design of a new wrist band while he was attending a company's year end party. This new wrist band should be the next generation of Xiaomi Band. The new band ...

   NEWS,XIAOMI,XIAOMI BAND,FIBIT,FITBIT ALTA,SMART DEVICE     2016-04-30 23:29:09

  Integer overflow

You may be familiar with integer overflow, but what you may not be familiar with is how gcc handles signed integer overflow. First let's look at the standard, for unsigned integer, the standard says : A computation involving unsigned operands can never overflow, because a result that cannot be represented by the resulting unsigned integer type is reduced modulo the number that is one greater than the largest value that can be represented by the resulting type. In other words, unsigned integer ov...

   Integer overflow,gcc,Linux     2012-10-20 13:33:10

  Silicon Valley engineers have something to say about work from home

Quitting from Google and joined Yahoo which was thought as a declining giant, Marissa Mayer has been trying to prove that she has the ability to lead this Internet giant to reverse the decline. In order to boost the low morale of the employees, Meyer tried to transplant Google's work culture to Yahoo with office decoration, free lunch and issuance of smart phones, these generous measures let her win the applause of the Silicon Valley.But a recent ban issued by Meyer has attracted a lot of contro...

   Work from home,Yahoo, Marissa Mayer     2013-03-07 02:39:23

  Code coverage rate

When doing unit testing, the code coverage rate is often used as the criteria for measuring testing performance, even in some cases code coverage may be used to consider whether the testing task is completed or not. So testers need to spend much time on designing test cases which can cover as many codes as possible. There are advantages and disadvantages about using code coverage rate. First let's check what is code coverage rate: code coverage rate= the degree of code coverage in testing. There...

   Unit testing,Code coverage     2013-04-16 12:50:57

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