Tag：process
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Time：2020-1-19
In recent group development projects, we need to obtain data through the data interface provided by the background. What’s more, we don’t have a back-end. We can only pick up data from the Internet, upload the server, request JSON data, and complete the rendering of the front-end page. There are many holes in the middle, […]
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Time：2020-1-17
1、 Basic knowledge of process What is a process? The so-called process is actually a running program in the operating system. We run a PHP file through PHP in a terminal, which is equivalent to creating a process. This process will reside in the system, apply for its own memory space system resources and run […]
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Time：2020-1-16
What’s new in PowerShell 6, 7.1. Each feature has a version number. Only from this version can this feature be supported.2 welcome to find fault, let me perfect the post.Most of them are new features of PS6. PS7 is just beginning to develop, and there are only a few new features. —————————————————————-┏┳━━━━━━━━━━━┓┃┃███████████┃┃┃███████████┃┣┫███████┏━┓█┃┃┃███████┃Ｐ┃█┃┃┃███████┃Ｏ┃█┃┃┃███████┃┃███┃┃█┃█┃┣┫███████┃Ｅ┃█┃┃┃███████┃Ｒ┃█┃┃┃███████┃Ｓ┃█┃┃┃███████┃Ｈ┃█┃┣┫███████┃Ｅ┃█┃┃┃███████┃┃███┃┃█┃█┃┃┃███████┃Ｌ┃█┃┃┃███████┗━┛█┃┣┫███████████┃┃┃███V6.0██████┃┃┃███████████┃┗┻━━━━━━━━━━━┛ […]
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Time：2020-1-15
Java great ape growth manual,GitHubJavaegg, n-line Internet development necessary skills weapon spectrum 1. About nginx 1.1 overview of nginx Nginx is a free, open-source, high-performance, lightweight HTTP and reverse proxy server, as well as an email (IMAP / POP3) proxy server, which is characterized by less memory and strong concurrency. Nginx is famous for its […]
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Time：2020-1-14
Preface This is the fifth article in the Android 9.0 AOSP series. Let’s review the general contents of the previous articles. Pangu and Nuwa in Java World — zygote It mainly introduces the first java process in Android worldZygoteStart up process of. Register server socket to respond to client requests Various preloading operations, classes, resources, […]
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Time：2020-1-14
Preface This is the fifth article in the Android 9.0 AOSP series. Let’s review the general contents of the previous articles. Pangu and Nuwa in Java World — zygote It mainly introduces the first java process in Android worldZygoteStart up process of. Register server socket to respond to client requests Various preloading operations, classes, resources, […]
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Time：2020-1-14
In order to write a more beautiful blog, I read the markdown document today. Try it first. I’ll write something later anyway.To get back to the point, first summarize what you learned today. Learning summary: 1. Practical operation of pyspark Pyspark has learned a lot, so I also found an example to try. The specific […]
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Time：2020-1-14
WeChat public address: “Python reads money”If there are any questions or suggestions, please leave a message for the public. In order to facilitate maintenance, the data of general companies are stored in separate tables in the database, such as using a table to store basic information of all users, and a table to store user […]
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Time：2020-1-14
Before we start talking about processes and threads, one of the first concepts we need to understand is parallel processing, because when you understand parallel processing, your understanding of processes and threads will be much easier. What is parallel processing Literally, parallel processing means processing multiple tasks at the same time. For example, we need […]
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Time：2020-1-13
Spark’s workflow? Answer train of thought All spark programs are inseparableProgram initializationandPerform tasksThese two parts, so the question can be answered from these two parts. Process of program initialization After the user submits the program through spark submit, the driver program starts to run (driver program is the submitted program running, which can be understood […]
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Time：2020-1-13
In Linux system, processes are divided into real-time processes and ordinary processes. The priority range of real-time processes is 0-99, and that of ordinary processes is 100-139. Moreover, the scheduling strategies of the two processes are also different. Android system is developed on the basis of Linux system, which makes full use of some features […]
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Time：2020-1-13
Have you ever encountered a single page stuck or crashed in the browser, resulting in the final collapse of all pages in the browser? BrowserMulti process architecture designEach page will have its own independent process. According to this logic, a single page’s blocking or crashing should only cause the process where the page is located […]
