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After several days of hard work, I finally built an apache+sqlite+php platform on the arm-linux platform. There are a lot of information about apche and sqlite on the Internet, but there are very few...[Details]
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vmalloc vmalloc_init for_each_possible_cpu(i) { // Linked list of vfree_deferred type variables and work task free_work // free_work is used to delay the asynchronous release of vmalloc memor...[Details]
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After the three-child policy was announced, many parents declined the offer: in this era of involutionary education, kindergarten and primary school interviews require a large vocabulary and the abil...[Details]
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According to foreign media reports, P2P video streaming technology company ThroughTek Co., Ltd. (TUTK) and video/image camera solution provider OTUS have reached a cooperation to jointly create a fle...[Details]
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Musk has said he regrets buying Solar City, but he still believes solar energy will become mainstream in the future. Tesla CEO Elon Musk said in a June deposition that if he could go back in time, ...[Details]
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In recent years, smart cars have developed rapidly, and various manufacturers have brought out their own "signature skills", and more and more intelligent assisted driving systems have been unveiled....[Details]
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Method 1
DPRD_DAT: Read consistent data of a DP standard slave
This instruction applies to central modules as well as DP standard slaves and PROFINET IO devices.
...[Details]
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Introduction
With the continuous improvement of people's living standards, the problem of home anti-theft has become particularly prominent. Traditional mechanical locks have been gradually eliminat...[Details]
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Improving conversion efficiency by using non-isolated DC-DC converter design
In the design of DC-DC converters, when the input is equal to the output, if the conversion method w...[Details]
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"Our ultimate form is a vehicle-level OS." At the Intelligent Vehicle Domain Controller Innovation Cloud Forum, Yan Xue, senior embedded software expert at Xiaopeng Motors, emphasized. In fact, X...[Details]
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The Indian Army will use a hydrogen microgrid to provide off-grid and self-sufficient electricity at a base in the Himalayas.
The National Power Corporation of India (
NT...[Details]
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The engine is the heart of the car, providing the most basic power for the car to run. Its quality characteristics are related to the car's power, economy, and environmental protection. Looking b...[Details]
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In a low intermediate frequency RF receiver, as shown in Figure 1, the RF signal is down-mixed to generate two orthogonal low intermediate frequency signals, I and Q, which are then directly conver...[Details]
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At present, almost all LED fluorescent
lamps
on
the market
have built-in power supplies. The so-called built-in power supply means that the power supply can be placed inside the lamp...[Details]
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After eight consecutive years of rising share prices, Apple Inc. has finally reached the top of the world's market value. As of the close of the U.S. stock market on August 11, Apple officially sur...[Details]