How to write a UITableView

If you think that there are a lot of methods in UITableViewDelegate and UITableViewDataSource protocols, they are copy and paste every time, which are similar to each other in implementation; if you think that it takes a lot of code to initiate a network request and analyze the data, plus the complexity explosion after refreshing and loading, i ...

Posted on Wed, 18 Mar 2020 03:44:47 -0700 by storyboo

Implement the check box and retrieve the row data of the check box

Situation: I want to batch insert the data in the table. Use the check box. When the check box is selected, how can I get the data of the row in the check box. Like this, I want to get the title, author and other information, how to get it? Remember here. jsp page, my form is sauce, I want to tak ...

Posted on Tue, 17 Mar 2020 08:11:45 -0700 by VapiD

Getting Started with Druid 0.17 - Data Access Guide

In the quick start, we demonstrated how to access local sample data, but Druid actually supports very rich data access methods.Such as batch data access and real-time streaming data access.In this paper, we will introduce these data access methods. File Data Access: Loading batch data from a file Accessing stream data from Kafka: Loading st ...

Posted on Mon, 16 Mar 2020 19:16:01 -0700 by shavas

Data visualization codeplaces rating

Display page Code repository I met at station B recently [data visualization] Codeforces history top 10 I thought it was very interesting, so I had the idea to create a visual rating for our school team. UP main project is based on a hot project on GitHub Historical-ranking-data-visualization-based-o ...

Posted on Mon, 16 Mar 2020 01:15:39 -0700 by daniel1988

Detailed explanation of mockjs process for recording simulation data for vue project manufacturing and development environment

Requirement: no server at all. It can achieve the same effect as connecting to the server. It does not change the interface, but only writes data Scenario: I need to implement a function. Before, the project was directly connected with the background interface. Now I am working at home. Then I want t ...

Posted on Mon, 16 Mar 2020 01:11:51 -0700 by sebnewyork

Introduction to Python crawler common libraries (requests, beautifulsop, lxml, json)

1. requests Library http The most common protocol is GET Method: import requests response = requests.get('http://www.baidu.com') print(response.status_code) # Print status code print(response.url) # Print request url print(response.headers) # Printhead information print(response.cookies) # Printing cookie information print ...

Posted on Sun, 15 Mar 2020 22:06:51 -0700 by Concat

python: serialization / deserialization and deep / shallow copy of objects

python: serialization / deserialization and vulnerability thinking 1, Serialization / deserialization There are many ways of serialization / deserialization built in python, the most commonly used are json, pickle and marshal. The example usage is as follows: import json import pickle import marshal ...

Posted on Sun, 15 Mar 2020 05:02:48 -0700 by ethridgt

PyQt complete tutorial

1. Introduction to GUI development framework In the past 19 years, we have been doing Android ROM related tests and accumulated a certain amount; in the past 20 years, we plan to integrate and reuse the previous complete test schemes, scripts and tools. The first phase of the project is to develop a GUI testing tool, which has been investigated ...

Posted on Fri, 13 Mar 2020 21:45:33 -0700 by datona

JavaScript&ES6 knowledge points

JavaScript&ES6 JavaSCript : data type array function ES6: New variable declaration method Destructuring assignment Arrow function Residual parameters Parameter template (template string) Array method JavaSCript : data type Simple data types: Number, String, Boolean, Undefined, and Nul ...

Posted on Fri, 13 Mar 2020 07:10:02 -0700 by slweb

0312 java interface test rest-assured

background java programmers generally write that back-end services are JavaWeb-type projects, mainly including Http interface and dubbo interface, Http interface generally uses the resting style, so how to quickly test the resting interface on a third-party testing framework? The rest-assured framework is a good tool.Like a soldier's triangula ...

Posted on Thu, 12 Mar 2020 09:53:30 -0700 by sfhc