Web programming homework HD remake + online test + hot broadcast (angular framework, websocket, raspberry pie)

catalog 1. HD reproduction 1. Re understanding of Express 2. The problem of angular scope and automatic synchronization 3. A way to write html page 2. Realization of online test function 3. Hotspot broadcast Site folder send Raspberry pie installation database Mobile terminal test 4. Summary ...

Posted by ryza_ on Sat, 27 Jun 2020 07:16:30 +0200

Read Chrome Bookmark File

Use C#to read the Chrome browser's local bookmark file, the current file is Bookmarks under the User Folder \AppData\Local\Google\Chrome\User Data\Default\ Open this file and we find a json text file { "checksum": "e723a57c9d9cbcae27ce0e1f8a5b7e71", "roots": { "bookmark_bar": { "children": [ { "date_added": "13 ...

Posted by djopie on Wed, 24 Jun 2020 18:26:33 +0200

Data collection of provinces in 2020

preface: Reference article: https://www.cnblogs.com/yangzhilong/p/3530700.html https://www.cnblogs.com/liushaofeng89/p/4873086.html Recently, due to the user's feedback that the provincial data form is partially missing, baidu decided to pull it by itself after a circle of duniang. The provincial ...

Posted by Xeon on Tue, 23 Jun 2020 12:58:13 +0200

Spring boot redis cache sets the effective time and auto refresh cache, and the auto refresh time is set in the annotation

Spring boot redis cache sets the effective time and auto refresh cache, and the auto refresh time is set in the annotation. preface This article mainly supplements the spring redis cache used by small partners. Spring redis cache is a general solution. Although spring redis cache has been very power ...

Posted by theverychap on Tue, 23 Jun 2020 11:00:59 +0200

magical! The new objects can also be managed by the Spring container!

It's reasonable to say that the objects from new have nothing to do with containers, but in the Spring Security framework, there are many new objects that can also be managed by containers, so how does it do it? Today, I'd like to talk with you about a little cold topic. What is the use of ObjectPostProcessor in Spring Security? This is the 32n ...

Posted by Dynamis on Tue, 23 Jun 2020 06:35:34 +0200

Crawler cracking 12306 verification code to realize login operation

Crawler cracking 12306 verification code to realize login operation 1, Preparation 2, Full code 3, Code analysis 1, Preparation Before crawling, let's see what the 12306 verification code looks like See this verification code, have wood very flustered, this tm can also crack??? Answer: of course ...

Posted by mr_tron on Tue, 23 Jun 2020 04:18:34 +0200

OKHttp quick start

OKHttp quick start OKHttp quick start Synchronization request get Asynchronous request get post Set request header Download File encapsulation Interceptor Application interceptor Network connector OKHttp quick start Official website: https://square.github.io/okhttp/ Code warehouse: https:/ ...

Posted by Lodius2000 on Mon, 22 Jun 2020 09:31:27 +0200

Great Webpack Construction Process Learning Guide

Recent original articles review: GreatTsconfig.jsonGuide Great Webpack HMR Learning Guide with Source Analysis Outside Story of Blob You Don't Know Outside of WeakMap You Don't Know Webpack is a hot front-end packaging tool and is essentially a static module bundler for modern JavaScript applications.When a Webpack processes an application, ...

Posted by sambkk on Mon, 22 Jun 2020 02:25:01 +0200

I was asked why I learned Python crawler, because I like my little sister

Baidu sexy beauty wallpaper to understand, for nothing else, is to be able to better learn Python! Do you believe that? As long as I see the website with photos of my sister, I just want to download them in bulk!   Why to learn about web crawlers(1) Learning the web crawler, you can customize a search engine to better understand the principle o ...

Posted by kappaluppa on Sat, 20 Jun 2020 05:55:04 +0200

Developing websites from scratch

In the last search function, some fans mentioned whether it can be set as optional search criteria. Naturally, the answer is yes, so I added a drop-down option based on the previous week Effect display Here I implement the function of drop-down item based on the two ways of select tag and a tag. ...

Posted by dominicd on Sat, 20 Jun 2020 05:38:10 +0200