Understanding of private attributes in python

The object-oriented class template has built-in attributes, private attributes, fixed attributes and common attributes Built in attribute: in class__ Start with__ Variables or methods at the end are built-in properties Private attribute: in class__ The first variable or method is a private propUTF-8...

Posted by xcoderx on Wed, 06 Oct 2021 19:18:13 +0530

opencv -- Fundamentals of image processing

Read, write, display images \qquad The imread(),imwrite() and imshow() functions in OpenCV are used to read, write and display images respectively. The imread() function is used to read the image in the file into memory. It supports various static image file formats, such as BMP, PNG,JPEG,TIFFUTF-8...

Posted by FaT3oYCG on Wed, 06 Oct 2021 20:30:22 +0530

Baidu included websites, active push (Python)

explain: When you create your own website and search your own website on Baidu, you will find content or irrelevant content. How to submit your own website for Baidu to quickly include. The following will demonstrate how to actively submit website links 1. You need to edit your website links inUTF-8...

Posted by yurko on Wed, 06 Oct 2021 21:24:00 +0530

Python Note -- Day 10.Built-in module

16 Built-in modules After installing the Python interpreter, the modules provided by the system can be imported and used when needed 16.1 Serialization module pickle Serialization means that data in python can be converted into text or binary, and can also be deserialized into the original dataUTF-8...

Posted by abisai on Wed, 06 Oct 2021 21:56:56 +0530

Newton's iteration method for solving systems of nonlinear equations (with Python code)

Newton's iteration method for solving systems of nonlinear equations (with Python code) General form of a system of nonlinear equations Consider the system of equations { f 1 ( x 1 , ⋯ , x n ) = 0 , ⋮ f 1 ( x 1 , ⋯ , x n ) = 0 , \left\{ \begin{aligned} f_1(x_1,\cdots&,x_n) =0, \\ \vdots\\ f_1(xUTF-8...

Posted by Gighalen on Wed, 06 Oct 2021 22:59:58 +0530

Go calling python3: use of go-python3 package

reference material: https://zhuanlan.zhihu.com/p/150253406 https://blog.csdn.net/skyztttt/article/details/8115086 Package address: python2: https://github.com/sbinet/go-python python3: https://github.com/DataDog/go-python3 Because of the need of learning, we need to use python's powerful machinUTF-8...

Posted by usacascl on Thu, 07 Oct 2021 00:11:57 +0530

Model fusion method

GBDT model #Gradient boosting regressor gradient lifting decision tree folds = StratifiedKFold(n_splits=5, shuffle=True, random_state=2018) oof_gbr_263 = np.zeros(train_shape) predictions_gbr_263 = np.zeros(len(X_test_263)) for fold_, (trn_idx, val_idx) in enumerate(folds.split(X_train_263, y_tUTF-8...

Posted by kwong on Thu, 07 Oct 2021 02:22:01 +0530

Use python to create structured arrays and sort them

Creating structured arrays using python Recently, a batch of data will be processed in batches. Each group of data has corresponding names and related data. It just reminds me of the structure related knowledge of C + + I saw not long ago. I want to try whether I can use structured arrays to prUTF-8...

Posted by jd023 on Thu, 07 Oct 2021 05:40:53 +0530

Seq2Seq model PyTorch version

Introduction to Seq2Seq model and detailed explanation of pytoch version code 1, Overview of Seq2Seq model Seq2Seq is a variant of cyclic neural network. It is an end-to-end model, including Encoder and Decoder. It is an important model in nlp tasks. It is widely used in translation, automatic UTF-8...

Posted by mccormr7 on Thu, 07 Oct 2021 06:57:49 +0530

python basic syntax

1. Notes #I'm a single line note ''' multiline comment Comments are usually written on the code line, Sometimes the comments on the current line are written after the code ''' 2. Variables - store data 1) Type of variable 1.number int float (no double) complex 2.boolean true # be careful not tUTF-8...

Posted by noeffred on Thu, 07 Oct 2021 08:18:35 +0530