Analysis of BYD’s Four Costs and Depreciation and Amortization Trends

$BYD(SZ002594)$ The single-vehicle profitability of BYD’s auto business has been analyzed before, and it has been in an unstable state before. This year, with the increase in the sales volume of the automobile business, the single-vehicle profitability has obviously improved to a higher level. However, by analyzing the data of the financial report, it can …

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From the perspective of industry cycle password VS individual company profits to think about Buffett selling cars and buying oil

Many people are confused about Buffett selling trams to buy oil in recent months. This does not conform to the logic of the market. In recent months, the sales of trams have increased several times compared to last year. Yes, this is just not in line with the logic of the market, but I think …

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Important moment for A shares

After the market closed on Friday, the China Securities Regulatory Commission approved the trading of CSI 500 ETF options on the Shanghai and Shenzhen exchanges. Although after years of construction, there have been many wide-based derivatives, but the approval of the China Securities Regulatory Commission still has a strong signal significance. The first layer of …

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Jenkins combined with MySql Database plug-in platform-based practice ideas

Original link: https://wiki.eryajf.net/pages/ef36d8/ In the past Jenkins practice, the pipeline scheme of the shared library was configured, which was promoted by extracting the core public logic into a film version and putting the project personalized configuration information into the bootstrap file. There is nothing wrong with this solution, and it is also friendly to the …

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LFU cache replacement strategy: concept, implementation

Original link:https://www.notion.so/LFU-b077768e279c4d339901aac07e384d5c This article is reprinted from:https://www.notion.so/LFU-b077768e279c4d339901aac07e384d5c This site is for inclusion only, and the copyright belongs to the original author.

A thread-safe generic support map library

Original link: https://colobu.com/2022/09/04/a-thread-safe-and-generic-supported-map/ orcaman/concurrent-map is a very efficient thread-safe map library, as its documentation says, the standard library sync.Map is more suitable for append-only scenarios, or scenarios with less write-heavy reads, if For multi-read and multi-write scenarios, concurrent-map may be more advantageous. It reduces the granularity of locks through sharding, thereby improving performance. At the …

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“The Combination of Curiosity and Confidence”: A Conversation with John Maloney

Original link: http://wwj718.github.io/post/%E7%BC%96%E7%A8%8B/a-combination-of-curiosity-and-confidence-a-conversation-with-john-maloney/ Foreword “A COMBINATION OF CURIOSITY AND CONFIDENCE”: A CONVERSATION WITH JOHN MALONEY As part of our “Artificial Intelligence in the Community” series, I have a lifelong relationship with the MIT Media Lab. This article is reprinted from: http://wwj718.github.io/post/%E7%BC%96%E7%A8%8B/a-combination-of-curiosity-and-confidence-a-conversation-with-john-maloney/ This site is for inclusion only, and the copyright belongs to the original author.

Payment issues for individual developers

Original link: https://blog.xulihang.me/feed/ As an individual developer without a company, how to sell software has always been a headache. Here I summarize the charging methods I have used. Third-party payment platforms: Alipay, WeChat, PayPal. Fourth-party payment platforms: Bread, FastSpring. The first is the third-party payment platform. At present, the APIs of Alipay and WeChat are …

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