Programmer Group

1, Decorator definition The way to dynamically add functionality during code execution is called a Decorator. In essence, Decorator is a higher-order function of return function. 1 >>> def log(func): 2 ... def wrapper(*args, **kw): 3 ... print('call %s:' % func.__name__) 4 ... return func(*args, **kw) 5 ... ...

1. Code download address https://gitee.com/yyping2019/zabbix_police.git 2. Purpose of development This development is mainly based on the revision of the version described by the author, mainly adding the enterprise wechat receiving alarm, email receiving alarm, slack receiving alarm, and distinguishing different alarms to receive different al ...

preface Most of the good videos are short videos! The same interface returns different videos to users Today, I will take you down the video recommended by the system! Knowledge points 1. Dynamic data capture demonstration 2. json data analysis method 3. Video data saving Environment introduction python 3.6 pycharm requests json General thinkin ...

*The author is Peng Lin, senior researcher of VMware CTO Office Background and KubeFATE architecture Previously, we introduced how to use KubeFATE to deploy a docker based on docker in the articles "using KubeFATE to rapidly deploy the federal learning experiment development environment (I)," using KubeFATE to rapidly d ...

preface The text and pictures of this article are from the Internet, only for learning and communication, not for any commercial purpose. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. When we browse the web, the browser will render and output HTML, JS, CSS and other information; ...

Sensitive word filtering is a technical means to prevent cyber crime and cyber violence developed with the development of Internet community. By screening and screening the possible keywords of cyber crime or cyber violence, we can prevent them from happening in the future and stifle the serious consequences of crime in the budding. With the po ...

1, Double underline If you want internal properties not to be accessed externally, you can add two underscores to the name of the property. In Python, if the variable name of an instance starts with \\\\\\\\\\. Are instance variables starting with double underscores necessarily inaccessible from outside? Not really. The reason why you can't dir ...

catalog Dictionary list filter demand Example code Dictionary list filter demand In the requirements, the dictionary list obtained is filtered according to the keywords, and the qualified data is filtered Support single field, single or multiple data filtering { "name": [ "m1.large","m1.xlarge","wangjw"] } # Filter the field "name& ...

Have you ever wanted to pick out the characters in one photo and then put them together in other pictures, so that even if you are in the end of the world, I can visit here? Professional people can use PhotoShop's "magic wand" tool to matting, and non professional people can use a variety of beauty APP to achieve, but after all, their ...

Iterator notes: What is an iterative object: What to do: to traverse for...in. Known data types: list, dict, tuple, str, set, generator. Conditions to be met: a method of "iterator" needs to be implemented, and the method returns an iterator object. What is an iterator: What to do: to return data, the iterator's next function or n ...