Article directory Anonymous functions, higher-order functions, modules, packages 1.Anonymous function 2. Actual parameter higher-order functions 3. Common high-order functions with actual parameters in python **1) max(container, function)** **2) map(function, container )** **3) filter(function, container)** **4) reduce(function, container, initial value)** 3. Module import **Import principle:** **When the code of the imported module is executed, the system […]
Tag: packages
Capacitor packages h5 to Android application, uniapp https http net::ERR_CLEARTEXT_NOT_PERMITTED
Capacitor packages h5 to Android application, uniapp https http net::ERR_CLEARTEXT_NOT_PERMITTED capacitor official website: https://capacitorjs.com/docs/ The project needs to make an app, and this app is made with uniapp, which uses a library that relies on dom, so Uniapp cannot be used to directly generate the corresponding android application. I tried it, but it cannot be […]
Solving PackagesNotFoundError: The following packages are not available from current channels nyoka
Table of Contents Resolving PackagesNotFoundError: The following packages are not available from current channels “nyoka” introduce Problem Description solution 1. Confirm package name and source 2. Add appropriate software package channels 3. Reinstall the package in conclusion Sample code: Machine learning model export using nyoka package Introducing: nyoka bag 1 Introduction 2. Main features 3. […]
Solving Could not install packages due to an EnvironmentError: [WinError 5] Access Denied
Table of Contents Solving Could not install packages due to an EnvironmentError: [WinError 5] Access Denied Method 1: Run with administrator rights Method 2: Change folder permissions Method 3: Use a virtual environment Summarize Solution to Could not install packages due to an EnvironmentError: [WinError 5] Access Denied During development with Python, we may sometimes […]
openpnp – Production of program release packages
Article directory openpnp – Production of program release packages Overview notes Program Release – Simple Packaging Remark Program release – packaged with install4j END openpnp – Production of program release packages Overview openpnp comes with intall4j installation script. The official description is that this is an intall4j 8.x project. After downloading intall4j 8.x (the registration […]
uni-app packages apk to achieve automatic updates
1. Just copy and paste it (Haoheng) Write in app.vue file //Write in app.vue <script> export default {<!– –> onShow: function() {<!– –> console.log(‘App Show’) }, onHide: function() {<!– –> console.log(‘App Hide’) }, onLaunch: function() {<!– –> let appVersion = ” uni.getSystemInfo({<!– –> success: function(e) {<!– –> appVersion = e.platform } }) let that = […]
Java implements color picker and packages it into exe file
Let’s take a look at the effect first 1.Source code Without further ado, let’s get straight to the code: import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class ColorPicker extends JFrame { private JButton colorButton; private JPanel colorPanel; public ColorPicker() { setTitle(“Color Picker”); setSize(400, 200); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //Set fonts that support Chinese character set Font […]
If you are too lazy to import multiple Python packages, just use one package to do it!
When using Python, some codes need to rely on multiple frameworks or libraries to complete, and the code needs to be imported multiple times at the beginning, for example, import pandas as pd from pyspark import SparkContext from openpyxl import load_workbook import matplotlib.pyplot as plt import seaborn as sns from sklearn.linear_model import LinearRegression This time […]
Go code packages and imports: How to effectively organize your project
1. Introduction In software development, the organization and management of code is one of the foundations of successful project implementation. This is especially important when building large, scalable, and maintainable applications. The Go language provides a powerful and flexible tool for this requirement: packages. Code packages not only allow developers to logically group and package […]
Solving Could not install packages due to an EnvironmentError: [WinError 5] Access denied. : f:\program files\p
Table of Contents Solving Could not install packages due to an EnvironmentError: [WinError 5] Access denied. : ‘f:\program files\p’ Problem background solution 1. Run the installer or command as administrator 2. Install in a non-system directory Summarize Solve Could not install packages due to an EnvironmentError: [WinError 5] Access denied. : ‘f:\program files\p’ Problem Background […]