PyQt5 building library management system (3) -- Design of login page

PyQt5 building library management system (3) -- Design of login page PyQt5 building library management system (3) -- Design of login page Analysis Code: The effect is as follows Analysis The logic of the login page is simple, as follows: -User input student number and password (for security, plus input ...

Posted by swissmant on Tue, 31 Mar 2020 02:03:39 -0700

Android implements View's slide series one -- using layout() method

Practice to get real knowledge, do the code! In the drawing process of Android View, in the onLayout() method, the child view will call the layout() method to complete its own layout. We can change the parameters of view layout() to achieve the sliding effect of view! 1. Implementation steps 2. Effect 2.1. La ...

Posted by sprintlife on Mon, 30 Mar 2020 23:08:27 -0700

Python crawler crawls data from mobile APP

1. Grab APP data package Please refer to this blog post for detailed methods: http://my.oschina.net/jhao104/blog/605963 Get the login address of the super curriculum: http://120.55.151.61/V2/StudentSkip/loginCheckV4.action Form: The form includes the user name and password. Of course, they are all encrypted. There is also a de ...

Posted by brown2005 on Mon, 30 Mar 2020 07:23:31 -0700

Polar rabbit express bill No. query - polar rabbit Express

Preface After reading this article, copy the source code to your project, and you can quickly complete the docking of polar rabbit express interface. The effect of the interface displayed on the official website of polar rabbit express is more suitable for novices, Call the polar rabbit Express query API interface of the express bird to query ...

Posted by dk4210 on Mon, 30 Mar 2020 00:16:37 -0700

IoC container initialization of spring framework

Analysis example Startup class Application, using ClassPathXmlApplicationContext to load xml files /** * @author jianw.li * @date 2020/3/16 11:53 PM * @Description: TODO */ public class MyApplication { private static final String CONFIG_LOCATION = "classpath:application_context.xml"; private static final String BEAN_NAME = "hello"; ...

Posted by eagleweb on Sun, 29 Mar 2020 09:48:58 -0700

Storage of spatial data and generation of heat map by GeoServer

The requirements are as follows. There are already generated good spatial data, including date, hour, longitude, latitude, number of people. Use GeoServer to generate heat map. This article uses the PostgreSQL10 database and has added PostGIS support. Create table create table table_test( day varchar(8), hour int, lon nu ...

Posted by bob1660 on Sun, 29 Mar 2020 08:18:17 -0700

LeetCode 820. Word compression

My LeetCode: https://leetcode-cn.com/u/ituring/ My LeetCode source code [GitHub]: https://github.com/izhoujie/Algorithmcii LeetCode 820. Word compression subject Given A list of words, we encode this list into an index string S and an index list A. For example, if the list is ["time", "me", "bell"], we can expres ...

Posted by bettydailey on Sun, 29 Mar 2020 08:11:11 -0700

[Android] [Android] custom fillet image. You can set whether any corner is fillet in xml

[Android] [Android] custom fillet image. You can set whether any corner is fillet in xml This blog has been included in my android development summary - Click [Android development summary] This blog has a reference blog[ android customize a fillet ImageView] Compared with the original blog, this blog has the following imp ...

Posted by eddy556 on Sat, 28 Mar 2020 10:19:36 -0700

How to use python crawler to crawl from a chapter novel to a whole station novel

  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 below to get http://t. ...

Posted by rinventive on Sat, 28 Mar 2020 08:08:42 -0700

Python3 Standard Library: xml.etree.ElementTree XML Manipulation API

1. xml.etree.ElementTree XML Manipulation API The ElementTree library provides tools for parsing XML using event-based and document-based API s, searching for parsed documents using XPath expressions, and creating new documents or modifying existing ones. 1.1 Parsing XML documents Parsed XML documents are represented in memory by ElementTree an ...

Posted by bobc on Thu, 26 Mar 2020 20:48:03 -0700