canvas Face Whitening
Here's how to upload photos, rotate them, cut them, and whiten them.
I. Uploading Photos
Here are two ways to upload photos
1. This method has been abandoned. I hope to give you some hints and space to think.
a. Get the image path by changing the value of the file, and add the path to the img element, which is displayed on the page.
b. Picture ...
Posted by mchaggis on Tue, 23 Jul 2019 11:15:10 +0200
Simple Packaging Tool Implemented by Simulating Web Pack
Webpack is a front-end project building tool. With the development of front-end ecology, webpack has become one of the necessary skills for front-end developers. When many developers start using react and vue, they will use the default single page should create instructions to create an engineering project. In fact, these engineers The projects ...
Posted by gabeg on Tue, 23 Jul 2019 11:02:17 +0200
Code Audit - Offline awd contest source web2
Tonight, let's take a look at the source of the game that day. There was still some panic during the game and we didn't take a good look at the code.
The bugs in awd's questions are the kind you can get flag quickly by taking advantage of the privileges you get. Usually the most complex ones are not.
It is recommended that you try bl ...
Posted by salathe on Mon, 22 Jul 2019 19:39:11 +0200
Introduction to Python Crawler [9]: Graphic worm network multithreaded crawling
Graphics Worm Network - Write in front
After a crackling operation, I finally wrote my blog to the 10th article. Later, it will gradually involve more crawler modules. Someone asked scrapy when to start using it. I expect it to be 30 articles later. The following routine is still slow, so don't worry. ...
Posted by plasmahba on Mon, 22 Jul 2019 16:21:17 +0200
vue-cli basic configuration
When vue3.0 became popular, we also received news that the old version of Vue will not be applicable to all kinds of dependency packages that used vue2.0 in future updates. Therefore, vue3.0 version is used in the new project. Here are the basic functions to configure vue3.0
install
Installation of vue3.0
npm install -g @vue/cli
or
yarn global ...
Posted by newbie8899 on Mon, 22 Jul 2019 10:16:45 +0200
Backend Management System Development: Login Page
As a back-end programmer, want to write a data display system, mainly used for data query, data display, of course, there is also a login function, there is no faster way. For this reason, Vue-Admin-Pro was generated, based on iView-Admin, to simplify, tailor-made minimal back-end management system for back-end programmers.
Project Address: vue ...
Posted by vaavi8r on Mon, 22 Jul 2019 03:51:19 +0200
Distributed Search Engine-Elastic Search Quick Start
I. Environmental Construction
1. Install Elastic Search
Installing Elastic Search-7.2.0 in MacOS is a very simple procedure, which can be accomplished with a few lines of commands. Here are the installation steps
# Download the Elastic Search program
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.2.0-darwin-x86_64.tar ...
Posted by gorskyLTD on Sun, 21 Jul 2019 16:36:08 +0200
json data interaction implemented by servlet+ajax
Need plug-in Jquery, jar packages: json-lib-2.2.3-jdk15.jar and other jar packages are as follows:
1. Front desk js+html code
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
&l ...
Posted by elle_girl on Sun, 21 Jul 2019 09:46:22 +0200
Deep analysis of RestController and Controller
https://blog.csdn.net/qq_20597727/article/details/82347014
We all know that RestController only provides Rest style interface return value by default. RestController is used to annotate ontrollers that do not need to return pages. Here is a brief analys ...
Posted by Parody on Sat, 20 Jul 2019 16:18:15 +0200
HR: Go back and wait for the notice? An article teaches you how to use Python to easily earn tens of thousands a month
Analyzing Page Structure
Through the analysis of the page, it is found that the details of recruitment are in the details page (as shown below), so the details page is used to extract the recruitment content.
Designing crawler strategies
The url address of the detailed page is obtained from th ...
Posted by Knutty on Fri, 19 Jul 2019 13:16:10 +0200