Aurora Developer Weekly【No.0820】

IT news in a week

IT practitioners are included in the new generation of migrant workers
According to the monitoring report of the new generation of migrant workers in Beijing in 2020, the new generation of migrant workers accounted for 50.1%, and the proportion of men was higher than that of women. Among them, the proportion of the new generation of migrant workers engaged in information transmission, software and information technology service industries has increased significantly.

New regulations for companies such as Sina and iQiyi prohibit sexual harassment and forced drinking
Recently, the Human Resources Department of Sina added the prohibition of sexual harassment in the "Code of Conduct" of professional ethics into the anti-sexual harassment provisions in the "Employee Handbook". In addition, the new content includes clauses that managers must not force employees to drink. IQiyi also sent a letter to all employees of the company, announcing "Boycott of Unspoken Workplace Rules", "Practice of Simple Culture", and updated "iQiyi Brand Code of Conduct" and "iQiyi Employees Violation of Company Rules and Regulations", requiring employees to Do not sexually harass others or force them to accompany drinking.

Apple’s stock price hits a record high, with a total market value of nearly US$2.5 trillion
On the evening of August 16th news, Apple’s stock price rose nearly 1% at the opening, hitting a record high of $150.59, with a market value of nearly $2.5 trillion. Previously, it took 42 years for Apple to reach a market value of $1 trillion. However, as of press time, Apple's stock price has risen again, reporting US$151.12, with a market value of approximately US$2.49 trillion.

Tencent invests another 50 billion yuan to help common prosperity
On August 18, Tencent announced another increase of 50 billion yuan in funding, launched the "Special Plan for Common Wealth", and deeply integrated its own digital and technological capabilities to promote rural revitalization, increase income for low-income people, improve the primary medical system, and balanced education development. Provide continuous assistance in the fields of people’s livelihood. The first phase of the “Sustainable Social Value Innovation” project of 50 billion yuan invested in April focuses more on basic science, education innovation, carbon neutrality, FEW (food, energy and water), pension technology, and public welfare digitalization. Forward-looking exploration.

Mathematicians calculated π to 62.8 trillion digits
Pi is now known as 62.8 trillion digits. The high-performance computing team of the Grisons University of Applied Sciences in Switzerland calculated the pi to 62'831,853,071'750 decimal places last Saturday, 12.8 trillion more decimal places than the previous record, setting a new world record for the precise value of pi . The researchers started the calculation on April 28, 2021 and stopped on August 14. The last 10 digits of the latest Pi value is 7817924264.

Developers care about the headlines

GitHub abolishes password-based Git authentication
GitHub officially abolished password-based Git authentication on August 13. Starting from 9:00 PST, developers using GitHub will need to switch to token-based authentication to perform Git operations. Token-based authentication includes personal access, OAuth, SSH Key, or GitHub App installation token.

iOS 15 Beta 6 released, Apple updates SharePlay release plan
Apple has released Beta6 versions of developer previews for iOS, iPadOS 15 and tvOS 15. Apple said that SharePlay has been disabled on the developer beta 6 versions of iOS 15, iPadOS 15, and tvOS 15. SharePlay will also be disabled on the upcoming beta 6 version of macOS Monterey developers. SharePlay will be enabled again in the future developer beta, and it is planned to be released to the public in a software update later this fall.

TypeScript 4.4 RC released
The TypeScript 4.4 RC version is officially released. The official team stated that before the official release of the TypeScript 4.4 stable version, there will be no major changes in the functional characteristics of TypeScript 4.4, and only some key bug fixes will be carried out later. The noteworthy features of this version include: providing Control Flow Analysis for Aliased Conditions, adding index signatures for symbol types and template string patterns, etc.

PostgreSQL 14 Beta 3 released
PostgreSQL 14 recently announced its third Beta version, and this update also fixes 75 bugs reported in the past few months. PostgreSQL 14 Beta 3 introduced the unnest multi-range type function and some bug fixes. Some of these fixes include: completely disabling TLS/SSL renegotiation. This was previously disabled, but the server will still perform client-initiated renegotiation requests. On 64-bit Windows, the allowed valid value work_mem * hash_mem_multiplier exceeds 2GB, etc. At the same time, PostgreSQL 9.6 will stop receiving fixes on November 11, 2021, and also fix the security vulnerability CVE-2021-3677: memory leaks in some queries. The affected version: PostgreSQL11-13.

Git 2.33 released
The open source Git project recently released Git 2.33, which contains features and bug fixes from more than 74 contributors, 19 of which are new contributors. But there are many fixes and internal improvements in this version. Git's multi-packet index in reverse index format on the new disk. By allowing Git to map locations back to objects in the multi-pack index, this format will eventually be used to support multi-pack bitmaps. GitHub reports that for large merges with many renames, merge-ort can achieve a "500x" speedup. In the re-base operation, the speed of merge-ort can be increased to more than 9000 times.

Aurora Zone

Aurora UMS xUU errands to jointly create a new benchmark for Internet errands services

UU errands is the leading professional mobile Internet errands service platform in the country. Behind its rapid development is people’s increasing demand for “good” and “fast” timely services. UU Errand is a sharing economy platform based on big data technology. It not only meets the richer high-end instant service needs of enterprises and individuals, but also solves the problems of low efficiency and irregular development in the traditional intra-city express and errand industry. It is the UMS product of Aurora Mobile (NASDAQ: JG), China's leading mobile developer service provider, that escorts UU errands at the technical level.

Tribute to physicians, Internet medical services help the post-epidemic era

Internet medical demand is increasing. According to Aurora data, from January 2020, the penetration rate and monthly active users of the medical consultation and guidance registration platform have achieved rapid growth. Affected by the epidemic, users have gradually developed the habit of online consultation. . In order to meet the rigid medical needs of users, high-quality doctors began to "touch the Internet". Since last year, the medical consultation platform has been launched no less than 6 times per person per month. Users and "Internet doctors" have been online frequently to conduct "contactless" consultations. , To avoid users waiting in line for a long time offline, helping users to obtain medical services in a timely and fast manner.

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