Article Overview ➤ Overview of new features in JDK 9 ➤ Significant changes in JDK 9 ➤ New features in the JDK 9 installer ➤ New tools in JDK 9 ➤ New security features in JDK 9 Overview of New Features in JDK 9 Java Platform, Standard Edition 9 is a major feature release. The … Read more
Last week, I mainly wrote an article on common file compression and decompression commands. If needed, you can look up the historical articles. This article mainly summarizes a comparison of the following 10 commonly used compression/decompression commands, covering core features, applicable scenarios, and performance differences to help you quickly choose the best tool! 1. Core … Read more
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A multimeter, also known as a multimeter, three-use meter, or multifunction meter, is a versatile measuring instrument that can measure direct current (DC) current, direct voltage, alternating voltage, resistance, audio levels, and more. Some models can also measure AC current, capacitance, inductance, and certain parameters of semiconductors (such as β). Measuring AC voltage: As shown … Read more
A new colleague joined the company, graduated in mechatronics, fair-skinned, a bit tall and thin, looking quite energetic. As an experienced electrician familiar with the environment and equipment at the unit, the leadership asked me to take him around for a few days to help him get acquainted. Perhaps being new to the field, he … Read more
To avoid damage to the multimeter, please pay attention to the following points. 1. Most digital multimeter damages are caused by incorrect measurement range settings. For example, when measuring AC mains voltage, if the measurement range is set to resistance, the moment the probe contacts the mains, it can instantly damage the internal components of … Read more
1 Hello today! The digital multimeter can measure DC and AC voltage, DC and AC current, resistance, capacitance, frequency, batteries, diodes, etc. The overall circuit design is centered around a large-scale integrated circuit dual-slope A/D converter, equipped with a complete overload protection circuit, making it a superior performance tool and one of the essential tools … Read more
Follow our WeChat Subscription Number: Mechanical Industry Press E-World Long press the QR code above to recognize it and follow us! Introduction A multimeter can measure direct current, direct or alternating voltage, and resistance. Some models can also directly measure capacitance, inductance, and transistor parameters. When repairing electrical and electronic equipment, a multimeter can quickly … Read more
A digital multimeter can be used to measure DC and AC voltage, DC and AC current, resistance, capacitance, frequency, batteries, diodes, and more. The overall circuit design is centered around a large-scale integrated dual-slope A/D converter, equipped with full-process overload protection circuits, making it a high-performance tool and an essential instrument for electricians. 1. Precautions … Read more
Discuss common types of Python questions. One The first type: Direct Decompilation Type In addition to directly obtaining the Python file for the question, the question setter can also slightly modify it by providing the corresponding .pyc file, which is the bytecode of Python. Definition of PYC File PYC files are the main intermediate files … Read more