PHP Implementation-Knapsack Problem for Dynamic Programming
Reasons for the event
Because our company held an algorithm programming contest, randomly draw the following pictures of the algorithm title, think about a period of time before remembering in the book (algorithm diagrams) there is a more consistent algorithm, that is, the dynamic programming "knapsack problem".
Knapsack problem is a ...
Posted by riiel on Tue, 13 Aug 2019 13:11:48 +0200
CSS-Small Practice of Web Page Making
1. Naked Running of Web Pages
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Naked Running of Web Page </title>
</head>
<body>
<h1> James Gosling, the Father of Java</h1>
<img src="../java.jpg"/>
<p> James Gosling, the ...
Posted by weevil on Mon, 12 Aug 2019 14:00:04 +0200
LEETCODE (1-10) OF JS ALGORITHM PROBLEMS
Preface
For a long time, the knowledge reserve of front-end development is temporary at the data structure and algorithm level, which may be attributed to the business nature of our front-end development, but I think any programming position can not do without data structure and algorithm.Therefore, as a front-end vegetable chicken, I intend to ...
Posted by redgtsviper on Mon, 12 Aug 2019 09:17:04 +0200
764. Maximum plus sign - M
764. Maximum plus sign - M
label: Can you calculate dp?
In a 2D grid with sizes ranging from (0,0) to (N-1,N-1), each cell is 1 except for the element given in mines. What is the order of the largest axis alignment plus sign sign that contains 1 in the grid? Returns the order of the plus sign. If no p ...
Posted by Mateobus on Sat, 10 Aug 2019 14:30:51 +0200
Python Learning Notes
Python Learning Notes (6)
Object-Oriented Programming (oop)
II. Basic Use
3. Member modifiers
Fourth, three characteristics of object-oriented
1. Packaging
2. Inheritance
3. Polymorphism
V. Various methods
1. Static method
2. Class Method
3. Attribute Method
4. Magic Method
Object-Oriented P ...
Posted by Grofit on Sat, 10 Aug 2019 13:09:09 +0200
Design Patterns--Factory Patterns
Factory Pattern is one of the most commonly used design patterns in Java. This type of design pattern belongs to the creation pattern, which provides the best way to create objects.
In factory mode, we do not expose the creation logic to the client when creating objects, and point to newly created objec ...
Posted by raimis100 on Fri, 09 Aug 2019 09:25:30 +0200
Java 8 - Asynchronous programming (with source code)
Asynchronous programming
Asynchronism is actually a way to keep an operation running without waiting for the return value of the called function.
(If you want to learn programming by yourself, please search Circle T Community More industry-related information and more industry-related free video tut ...
Posted by konetch on Fri, 09 Aug 2019 04:32:53 +0200
java multithreaded summary-synchronized keyword for synchronization
java multithreaded summary-synchronized keyword for synchronization
1. Why use synchronized?
2. What is synchronized lock and what is the purpose of locking?
3. Code examples
3.1 Lock this and Critical Resource Objects
3.2 Lock class object
3.3 When to lock critical resources and when to lock curren ...
Posted by DrDre on Thu, 08 Aug 2019 12:31:27 +0200
Java Concurrent Programming Ten Thread Pool Tool Class
Thread pool
newFixedThreadPool
newCachedThreadPool
newScheduledThreadPool
newWorkStealingPool
ForkJoinPool
Instructions
Java Concurrent Programming 1: Concurrent Basis KnowsJava Concurrent Programming II: Threads in JavaJava concurrent programming three: volatile useJava concurrent programming four ...
Posted by AIS4U on Tue, 06 Aug 2019 10:41:04 +0200
RocketMQ privilege control
RocketMQ, as an excellent middleware, has a wide range of applications. There are large-scale applications in different fields such as finance, e-commerce, telecommunications, medical, social science, security and so on. There is no doubt that the security is very questionable, because there is no security-related business module in RocketMQ, a ...
Posted by kinadian on Tue, 06 Aug 2019 05:21:12 +0200