python string type bytes type byte array type

1, Python 3 makes a distinction between text and binary data. Text is Unicode encoded, str type, for display. The binary type is the bytes type, which is used for storage and transmission. Bytes is a sequence of bytes, and str is a sequence of Unicode. str type: 1 >>> s = u'Hello' 2 >>> s 3 'Hello' 4 >>> type(s) 5 &l ...

Posted by expostfacto on Thu, 14 May 2020 09:48:49 -0700

Automatic operation and maintenance - record the work development of automatically adding customer leader

After the company started to use nails automatically, the related information software of the enterprise began to use the application program on nails. Related to the sales company is the CRM system. In CRM system, the customer is private. If you want more than one person to be responsible at the same time, you need to add the customer leader. ...

Posted by sn202 on Thu, 14 May 2020 01:43:02 -0700

First crawler and test

1, Improve the game procedures and test the game procedures. Change the end of the code slightly. If the code is correct, run it. Otherwise, output Error. from random import random #Printer introduction def printIntro(): print("19 Deng Ruoyan, No. 23, Xinji class 2") print("This program simulates two players A and B Table tennis comp ...

Posted by Deivas on Wed, 13 May 2020 10:27:12 -0700

Crawl the data of Tianya forum to see what everyone is talking about

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; ...

Posted by pck76 on Wed, 13 May 2020 00:41:54 -0700

Serverless Actual: 3 minutes for text-sensitive word filtering

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 ...

Posted by Molarmite on Tue, 12 May 2020 09:49:08 -0700

Machine Learning Basics - Neural Network (Debugging Optimization) (Random Initialization, Gradient Detection)

1: Random Initialization When we use gradient descent or other advanced optimization algorithms, we need to select some initial values for the parameter theta.For advanced optimization algorithms, we assume by default that we have set the initial value for the variable theta: Similarly, for the gradient descent method, we also need to initi ...

Posted by crazychris on Mon, 11 May 2020 18:12:09 -0700

Linear and Frame Layouts

The second time, the puppy was very calm. Today let's talk about the layout of Android Q. The problems I encountered and what I learned. Don't laugh at the bulls. If something goes wrong, the puppy will change when he sees it. Today, my student began to lay out with us. Looking at the data, there seem to be five or more layouts, but Ouch, basi ...

Posted by Studio381 on Sun, 10 May 2020 17:27:02 -0700

[utils] get EnumUtil tool class of enumeration through a field value in enumeration

Sometimes, in this case, we have the value of one of the enumeration fields, and then get the information of enumeration or other fields through this value. If there is no tool class, we need to add corresponding methods to each enumeration. Through the method of tool class, we can reduce the code generation and make it more concise and bea ...

Posted by Dysan on Sun, 10 May 2020 07:47:56 -0700

PHP implementation of file compression and decompression

In php, sometimes we need to use the compressed file operation, which can save disk space; and the compressed file is smaller, convenient for network transmission, and efficient. Let's learn about the compression and decompression related operations of php There is a ziprarchive class in PHP, which is specially used for compression and decompr ...

Posted by doremi on Sat, 09 May 2020 01:58:02 -0700

[actual combat] license plate detection and recognition based on SVM of OpenCv

This issue continues to share the SVM practice project: license plate detection and recognition, and also introduces some dry goods In retrospect, Last issue introduced the SVM model training of OpenCv , this issue will continue to introduce the recognition process. This flow chart is still classic and intuitive. Let's share what we said ...

Posted by Cornelia on Thu, 07 May 2020 21:11:53 -0700