Tag:Webpage

  • [SQL] intermediate SQL (4)

    Time:2020-2-19

    data set This article uses PostgreSQL’s SQL syntax. Focus we focus onselect…from…whereThis read operation analyzes query (analytical query).DecathlonZehnkampfDDatasets can be used directly at https://hyper-db.de/interface. In addition, write operations are not allowed on this page:insert, update, deleteTransactional query like this. Of coursecreate tableanddrop tableAnd not allowed. Local load change data set: https://segmentfault.com/a/11… English schema: $$zehnkampfd = […]

  • Recommended by conscience, some chrome plug-ins I have collected

    Time:2020-2-17

    Last time I moved, I sent a circle of friends, and the photos attached inadvertently revealed the number of Chrome browser plug-ins, so a little friend commented that I think it’s good to share the browser plug-ins. <img style=”zoom:30%;” /> I’ll share some of the Chrome browser plug-ins that I often use in my daily […]

  • [SQL] advanced SQL recursion (2)

    Time:2020-2-17

    Part II data set – public transport schema Public transport data setFahrplanIt can be used directly at https://hyper-db.de/interface. In addition, write operations are not allowed on this page:insert, update, deleteTransactional query like this. Of coursecreate tableanddrop tableAnd not allowed. Local load change data set: https://segmentfault.com/a/11… English schema: $$fahrplan = \ {\ underline {from \, to […]

  • Re learn the front-end HTML (4) problems and thinking about HTML tags

    Time:2020-2-12

    This article is mainly about some questions put forward by Mr. winter and some questions I think of when sorting out this piece of content. All of them are recorded here for self review. Reflection 1、 What is the semantic class tag and what are the benefits of using it?The main difference of semantic class […]

  • “Efficiency tool recommendation” cross platform online cloud bookmark management tool

    Time:2020-2-10

    Web page collection is an indispensable thing in our daily life. In our work, there are websites that need to be used frequently. Bookmark collection with browser can’t be used across platforms, so we found pinbox, an online cloud bookmark management tool that can cross platforms. First of all, let’s not talk about the function, […]

  • How to download your favorite music in Python

    Time:2020-2-10

    Preface The text and pictures of the article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. PS: if you need Python learning materials, you can click the link […]

  • Python crawlers go step by step, from crawling a chapter novel to crawling a whole station novel

    Time:2020-2-8

    Preface The text and pictures of the article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. PS: if you need Python learning materials, you can click the link […]

  • [crawler tool] download blog to mark down

    Time:2020-2-6

    Simple crawler tool Download the blog and turn it into markdown Why write this tool It’s mainly to collect good online resources. Every time you see a good article, it’s like saving it. But the readability of the saved web page is too poor. It’s very comfortable to convert it into markdown. But there will […]

  • JavaScript self study notes (3) — using JS to realize floating window of web page

    Time:2020-2-6

      Recently, I made a small project to add a floating window to the web page, which tested the basic CSS and JS technology. The code is as follows (part of the code comes from reference, see the bottom)   Document *{ padding: 0; margin: 0; } body { height: 900px; background-color: white; } .fl […]

  • From HTML to node.js and cross domain solution

    Time:2020-2-5

    No more nonsense, just code Web client client click <span style=”background-color: #f5f5f5; color: #0000ff;”>function</span><span style=”background-color: #f5f5f5; color: #000000;”> testClick(){ </span> <span style=”background-color: #f5f5f5; color: #0000ff;”>var</span><span style=”background-color: #f5f5f5; color: #000000;”> HTTPrequest </span><span style=”background-color: #f5f5f5; color: #000000;”>=</span> <span style=”background-color: #f5f5f5; color: #0000ff;”>new</span><span style=”background-color: #f5f5f5; color: #000000;”> XMLHttpRequest(); </span> <span style=”background-color: #f5f5f5; color: #000000;”> HTTPrequest.open(</span><span style=”background-color: #f5f5f5; color: […]

  • An easy-to-use chrome proxy plug-in

    Time:2020-2-2

    Just proxy A simple and easy-to-use chrome proxy plug-in, you can open the proxy in the desired proxy website in the way you want. Plug-in usage GitHub warehouse: https://github.com/0jinxing/j Plug in address: https://chrome.google.com/web After the installation is successful, set the correct proxy server address (if you use shadow socks for scientific Internet access, the default […]

  • Python crawler grabs Zhilian recruitment (Basic Edition)

    Time:2020-1-29

    Preface The text and pictures of the article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Author: C and python in action PS: if you need Python learning […]