Programmer Group

Font crawling Font anti-crawling is also called custom font anti-crawling. By calling custom font file to render the text in the web page, and the text in the web page is no longer text, but the corresponding font encoding. It is impossible to capture the encoded text content by copying or simple acquisition. Now it seems that many websites hav ...

Introduction: Download the file locally through the pdf address, then call the printer to print, and delete the downloaded file. Environment: Windows system.(windows64 bit) Install Python 3.6.2 environment on windows system Data: 　　　　O2S.Components.PDFRender4NET.dll (vs project reference, this is calling the printer in C#) 　　　　pyth ...

A case of Filebeat Error-Removal Case under Windows, please check it. Problem Description: Filebeat Agent service under Windows Server can not start normally, which results in the failure of network data processing and affects the use of large-scale user networks. The error reporting information is as follows: Look at the corresponding log fi ...

Today is mainly to combine the results of the previous few days, receive sensor data through COM6 port, and then send it to Arduino driver board to control the LED light bulb. Code: -*- coding: UTF-8 -*- import serial import time #Delay functions need to be used def get_acc(self): #Processing acc information ...

This is to be implemented by yourself. Here's a demo code for you. You can modify it yourself. /*  Among many Windows applications, IE's address bar is the most common one. When we're in ComboBox's text box content, we can see that Its drop-down list automatically lists the most matched items and displays the most matched item ...

In the last article Service Worker Learning and Practice (2) - Introduction to PWA The origin, advantages and disadvantages of PWA have been discussed. A simple example is given to illustrate how to install a PWA on the desktop and mobile. This article will illustrate how to use the message push function of Service Worker and bring the native a ...

1. The JavaScript component: ECMAscript (Core Standard): Defines basic grammar, such as if for array strings. 2.BOM: Browser Object Model 2. Components of BOM: 1. Each subwindow of a window object corresponds to another window object.2. screen object3.location object4.history object5.Navigator object6. Timers (two)7. Bullet Frame (Three Kinds)8 ...

Preface: I wrote an earlier article "Creating windows Services with C_#", https://www.cnblogs.com/huangwei1992/p/9693167.html, and then a blogger recommended an open source framework Topshelf to me. Writing a bit of test code, I found that the Topshell framework is really very useful in creating windows services, so I modified my prev ...

There is nothing right or wrong in the world. Everything is just a measure of right or wrong! Article Directory Overview of IO concept Diagram Byte Stream Summary Byte Output Stream FileOutputStream class Byte Input Stream Byte Input Stream Reads Byte Data Use Byte Stream to Read Chinese Problems Overview of IO ...

Time: 2019/4/16Title: Sliding Window MaximumDifficulty: DifficultyAuthor: Little Deer Title: Sliding Window Maximum Given an array nums, there is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the k numbers in the window. Each time the sliding window moves right by one position. R ...