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1, Equipment identification After the equipment is connected to the system, it exists in the form of files Equipment file name: SATA/SAS/USB /dev/sda,/dev/sdb #s means SATA or SAS or USB,; d is hard DISK; a represents the first block, b represents the second block /dev/sda1 express SATA The first partition of the first hard d ...

This paper mainly introduces how to use ArcGIS JS API for development in the React project. The JS API used in this paper is the latest version of ArcGIS JS API 4.14. It mainly instantiates a two-dimensional map with JS API in the React project demo.summaryFor a long time ago, when using ArcGIS JS API (hereinafter referred to as "JS API&qu ...

   CADTools is an excellent plug-in among the illustrate plug-ins, which is constantly updated with AI. Because of its more convenient labeling function, it is loved by many users. This article mainly analyzes this plug-in in terms of technology to provide some references for friends who like to study reverse and readers who need to d ...

What is a daemon set The daemon set ensures that a copy of a Pod is running on all (or some) nodes. When nodes join the cluster, a new Pod will be added for them. When a Node is removed from the cluster, these pods will also be recycled. Deleting a DaemonSet will delete all pods it creates Some typical uses of using DaemonSet: Run the cluste ...

I async await and Future There are three keywords in asynchronous call, async, await and Future. Async and await need to be used together. In Dart, asynchronous operations can be performed through async and await. Async means to start an asynchronous operation or return a Future result. If there is no return value, a Future with null return va ...

1, Arrays tool class From Java util. Arrays, various methods used to process arrays. 1.1 List asList(T... a) It is used to return a fixed size List supported by a custom array. Although a List is returned here, it is an internal class in Arrays. The main methods here are: There are no add and remove methods, so it does not support add and ...

HTML form Learning objectives Be able to say the form componentsMaster common HTML form elementsMaster common HTML form attributes summary Function of form: used to collect different types of user input Form composition: form element (control), form area Forms in life: Forms in web pages: Form Elements A form element is a label t ...

1. Basic introduction of figure 1.1 definition of drawing A graph is a data structure in which a node can have zero or more adjacent elements. The connection between two nodes is called an edge. Nodes can also be called vertices. Undirected graph: the connection between vertices has no direction, such as A-B, that is, a - > b or B - ...

Compiling static file system testing tools can test your file system in QEMU environment without worrying about machine crash 🤭， For how to build a kernel development environment, please refer to the front article of the blogger: Running with VSCode + QEMU can visualize the Debug NOVA file system. Today is the static compilation of ...

Enables EventLoop to handle timer events Timing function Used to make the program wait for a period of time or schedule a scheduled task: sleep alarm usleep nanosleep clock_nanosleep getitimer / setitimer timer_create / timer_settime / timer_gettime / timer_delete timerfd_create / timerfd_gettime / timerfd_settime chooses this method. ...