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systemctl system services Environment: centos7 　　System CTL service usage details   Realization Normally, we create a file with the suffix. Service in the directory / usr/lib/systemd/system /, such as cdr.service [Unit] Description=cdr After=network.target [Service] ExecStart=/opt/pbx/cdr/cdr.py Type=forking [Install] WantedBy=multi-user.t ...

I found a movie today and want to download it. Start with the Networks tool to analyze: Preliminary analysis found that TS format file will be pulled when video is loaded, presumably this is an index of m3u8, which records hundreds of TS files, so that it is easy to load when fast-forward.     But when you actually analyze the m3u8 file, you f ...

python provides exception handling try....except in the following format try:       print("Logical processing code block")      except Exception as e:       print("Code block execution error exception", e)      else:       print("Logical code block execution no error execute this part")      finally:       print("Co ...

1, background a. Sogou has also released its own AI API, including identity card ocr, business card ocr, text translation and other APIs, with average accuracy in the initial test. b. Based on Python 3. c. It also has its own signature to generate this piece. With the foundation of goose factory, it is relatively simple to write. d. However ...

iteration Basic meaning Iteration is the activity of repeating the feedback process, whose purpose is usually to approach and reach the desired goal or result. Each iteration of the process is called an "iteration", and the result of each iteration will be used as the initial value of the next iteration. In computational science, iter ...

Execute command on serverIt seems that there is no module to execute the command before. Now it is added import subprocess obj = subprocess.Popen('dir',shell=True,stdout=subprocess.PIPE) #Get an object. The command is in front, shell The script can be executed, stdout Set a process pipeline. There are actually two processes, one is the main p ...

python calls itself "Batteries included" because it provides many built-in modules that can be used without installation and configuration This chapter mainly introduces some common built-in core modules of python Common core modules of Python 1, collections module This is a useful container module, which provides many useful collecti ...

python full stack development - Day5 collection 1, First of all, learn the set according to the following points #1: Basic use 1. Purpose 2. Definition method 3. Common operation + built-in method #2: Summary of this type 1. Save a value or multiple values. Only one value can save multiple values. What types of values can be 2. Order or disor ...

Android, as a Linux terminal, must have run Shell scripts that support the.sh suffix. Sometimes the test environment prepares or intercepts complex logs for a long time, and so on, the development will give you some Shell scripts. Benefits of Shell script execution: Quick and efficient, Shell scripts are supported on Linux terminals. Since th ...

Batch recognition of Baidu AI Cloud voice with WeChat Catalog Batch recognition of Baidu AI Cloud voice with WeChat Prepare tools and environment General idea Specific operation Export wechat voice file Processing exported voice files rename file Convert to pcm format Modify Demo code Previous changes Later changes Epilogue Code (fo ...