[today in history] June 2: Apple launched swift programming language; China Telecom acquires China Unicom C network; OS X Yosemite release

Arrangement | Wang Qilong

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It's today 2022 year 6 month 2 Japan , stay 2015 Years of today , Activision Blizzard Entertainment released the arena game 《 Storm hero 》. In the beginning ,《 Storm hero 》 yes 《 starcraft 2》 A map in , Blizzard calls it 《 blizzard DotA》. With DOTA 2 The development right of is Valve take , Blizzard fight DOTA 2 The failure and acquisition of development rights Riot Games Failure , Gradually began to lose players of confrontation games ;2012 year 5 month 11 Japan ,Valve Announce that Blizzard will be sued in court , Because Blizzard used DotA Trademarks and names , Blizzard also has to 《 blizzard DotA》 Renamed as 《 Blizzard all star 》.

2013 year 8 month , Founder of Blizzard Entertainment Mike Morhaime announce 《 Blizzard all star 》 It has entered the internal test stage , Only a few people participated in the internal test .2013 year 10 month 17 Japan ,《 Blizzard all star 》 Renamed as 《 Storm hero 》, And in 2015 year 1 month 13 Start to let players conduct closed internal tests on the th , Same year 6 month 2 Japan ,《 Storm hero 》 The official launch . Review the history of the Internet 6 month 2 Japan , What other key events accompanied by disputes and disputes have taken place on this day ？

2008 year 6 month 2 Japan ： Chinatelecom in total price 1100 Billion yuan to acquire China Unicom CDMA The Internet

Picture source ：CSDN Download from the East IC

Today, we can't live without the three major operators , Do you know how they all came from ？

At the earliest time , The state has entrusted the important duty of communication to the post and telecommunications departments , Postal and telecommunication services shall be under the unified management of the Ministry of Posts and telecommunications ;1969 year 6 month , The Ministry of Posts and telecommunications was split , Set up the general post office and the general Telecom office respectively , Since then, Chinatelecom has been the only choice for the domestic telecom industry . here we are 20 century 90 years , The business model of Telecom has been unable to meet the needs of the vigorous development of telecom business , At the same time, its exclusive monopoly has also been criticized repeatedly .1994 year , The birth of China Unicom broke this situation , But in essence , At first, Unicom was only responsible for the business in those remote and backward areas , And telecommunications are complementary ; As one can imagine , Unicom can't accept its position , So they began to compete in developed areas , Formed the initial confrontation .

The new UniCom is bound to be no match for Telecom , Most people still use the telecom business . So in 1998 year 9 month , The Ministry of information industry decided , Split the national paging service of Chinatelecom , Set up jianguoxin paging group company separately .1999 year , The mobile communication service of Telecom has been stripped off , Another company that we are very familiar with has been established ： China Mobile . however , At this time, the situation of three pillars has not been formed , Even if Telecom abandons the mobile service , In that era when there was no mobile phone, there was also a solid fixed line business to support . So the paging service of Telecom was also distributed to China Unicom , Connected CDMA This is how mobile network services come about .

Stepping into 21 After the century , The mobile business is developing rapidly , stay 2002 year 5 month , To further break the monopoly pattern of fixed network and data communication market , Chinatelecom has been split by region . As a result, China Mobile has become the leader , So in order to balance the situation , stay 2008 year 6 month 2 Japan , Telecom announces its offer 1100 Billion yuan acquisition of Unicom is based on CDMA Specification of mobile communication network assets and services . China Telecom Group Co., Ltd. takes 662 Billion yuan to acquire China Unicom CDMA Network assets , There are also 500 Billion yuan was paid by China Mobile Communications Corporation , Completed the weakening of China Mobile and the enhancement of China Unicom . With C Network telecommunications can develop mobile , Unicom also merged with Netcom while getting the funds , As for mobile, it also merged the fixed line business of TieTong company , thus , The three major operators have formally formed . Which service are you using now ？ Welcome to the comment area .

source ： Wikipedia 、 Baidu Encyclopedia

2014 year 6 month 2 Japan ： The apple in WWDC A new programming language has been released on Swift

Picture source ： Wikipedia

2014 year 6 month 2 Japan , Apple at WWDC A new programming language has been released on Swift.Swift By Chris · Ratner is in charge of the development inside apple , after 4 year . It is a compiled language that supports multiple programming paradigms , Its design is simple 、 Efficient 、 Security , To develop macOS/OS X、iOS、watchOS and tvOS.Swift One of our goals is to become a substitute for C Is the general programming language of the . Launch 3.0 After version ,Swift The grammar of has undergone a major evolution , The core team will focus on source code stability in subsequent versions . since Swift 2.2 since ,Linux Of Ubuntu The distribution is available for official download .

Apple hopes Swift Support and Objective-C Many related core concepts , Especially dynamic scheduling 、 Extensive late binding 、 Extensible programming and similar functions , But with “ More secure ” The way , Easier to catch software errors ;Swift It has the function to solve some common programming errors , For example, null pointer dereference , And provide grammar sugar to help avoid the doomsday pyramid .Swift Support the concept of protocol extensibility , A type that can be applied to 、 Structure and class extensibility system , Apple has promoted it as a real change in the programming paradigm , They call it “ Protocol oriented programming ”. stay 2018 First quarter ,Swift For the first time, the popularity of Objective-C.

source ： Wikipedia

2014 year 6 month 2 Japan ： Apple introduced the code named Yosemite Of macOS X 10.10

Picture source ： Wikipedia

OS X Yosemite It was developed by apple for personal computers and server operating systems OS X Of the 11 A version , Version number 10.10, For Macintosh computers . Apple at 2014 year 6 month 2 Released at Apple's annual global software developers conference on the th OS X Yosemite,2014 year 10 month 16 Official listing , Users can use... For free . Its name “Yosemite”（ Yosemite ） It is a national park located in California .

The apple in WWDC In the introduction of ,OS X Yosemite Will focus on the interface 、 The application and iOS Equipment continuity （Continuity） Three aspects . On the interface ,OS X Yosemite The icon design is similar to iOS 7, Tends to flatten , Windows uses a translucent navigation bar , At the same time, it also adopts a new font design . The notification center added calendar for the first time 、 Schedule 、 The clock 、 Weather and other applets , So far, many people like to use the dark mode for the first time . And with the previous OS X The difference is that , In addition to the beta version for developers ,Yosemite It's also OS X Beta Seed Program Part of , It can give ordinary users a chance to try Yosemite New functions . This program is limited to the top onemillion registrants , Participating users must agree to a confidentiality agreement .

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