Programmer Think

1. Project introduction This project uses the program provided by Python + the use of selectors in the graph (quite easy to use) to realize crawling the picture of the girl graph (welfare graph). I have learned that the paw (2, 10) of a certain durian is right! 2. Knowledge points used ① Python Programming (I use version 3.7 ...

Business needs The prompt on the side of listening task is dynamically prompted according to the listening time and the completion of the task. The flow chart is as follows Pseudo code of client Code comments before Refactoring: When the listening task configured by the server changes dynamically, it can be handled correctly and the code is ...

outline This article mainly introduces the data format of Elasticsearch Document, compares the modeling of Java applications and relational databases, describes the basic cluster state query, the basic CRUD operation example of Document and the bulk batch processing example by writing Restful API on Kibana platform. Document data format The dat ...

1. Summary In the first chapter of the collection series, we learned that the implementation classes of Map are HashMap, LinkedHashMap, TreeMap, IdentityHashMap, WeakHashMap, Hashtable, Properties, and so on. HashMap has always been a hot topic, and I promise you'll need it if you go out for an interview! This article mainly combines the diffe ...

Title: Given a non empty string s and a dictionary wordDict containing a list of non empty words, add spaces in the string to build a sentence so that all the words in the sentence are in the dictionary. Return all these possible sentences. Explain: You can reuse words in the dictionary when you separate them. You can ass ...

VS2017, C + + language. There is a strange problem in programming today. The program is as follows: #include<iostream> #include<string> #include <vector> using namespace std; int main() { struct conf { char itemname[40]; char itemcontent[100]; }; char * GetInfo(vector<conf *> & conflist, cons ...

springboot auto-configuration principle Attribute references that profiles can configure Principle of automatic configuration 1. Load the main configuration class when springboot starts, and turn on auto-configuration @EnableAutoConfiguration 2. @EnableAutoConfiguration effect: Import some components into the container using EnableAutoConfigu ...

spi is the abbreviation of Service Provider Interface. Using spi technology, we can change the implementation class of an interface in a program by modifying the configuration, so as to change the program behavior. The usage of spi is as follows: Define the interface. package com.foo.bar.service; public interface Foo { String foo(String n ...

1: example of the instrument panel in three minutes after echarts Import related documents <!-- Introduce echarts.js --> <script src="js/echarts.min.js"></script> <script src="js/jquery-1.11.3.js"></script> The original default display is as follows Picture.png Three minu ...

Requirement: when clicking a node, assign a value to the node to obtain and display all the information in the clicked tree node.   Picture.png 1: before the add or delete interface pops up, assign a value to the node, get the information in the node, and then do the next logic.$("#toUpdateBtn").attr("sid", treeNode.id);$ ...