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How to attract future Java programmers

Java product management and developers said that Oracle provides programmers with a wealth of Java learning resources. And with additional investment in Oracle Academy, we started Go.Java. This guides the programmer forward, it is an ongoing journey and there is something new to learn every day.

Nov 01, 2016 am 11:33 AM

Java

What level of attacks can Android enable by enabling USB debugging?

Android's USB debugging mode is designed for developers. Developers can use it to debug or test applications during application development.

Nov 01, 2016 am 11:31 AM

Android

How to use and write jQuery plug-in

A plug-in, also known as an extension, is a program written according to a certain standard application program interface. The writing concept of plug-ins is based on object-oriented.

Oct 31, 2016 pm 02:57 PM

jQuery

floyd algorithm study notes

Find the shortest path matrix between each two points of a graph through its weight matrix. Starting from the weighted adjacency matrix A=[a(i,j)] n×n of the graph, recursively perform n updates, that is, from the matrix D(0)=A, according to a formula, the matrix D(1) is constructed ; Then use the same formula to construct D(2) from D(1), and so on. Finally, the same formula is used to construct the matrix D(n) from D(n-1). The elements in row i and column j of matrix D(n) are the shortest path length from vertex i to vertex j. D(n) is called the distance matrix of the graph. At the same time, a successor node matrix path can also be introduced to record the distance between two points. the shortest path.

Oct 31, 2016 pm 02:29 PM

floyd，C++

HibernateSummary

In order to improve performance, Hibernate provides caching and snapshot mechanisms.

Oct 31, 2016 pm 02:24 PM

Hibernate

Four ways to bind events with jQuery

jQuery provides a variety of ways to bind events. Each method has its own characteristics. Understanding the similarities and differences between them will help us make the right choice when writing code, so as to write elegant and easy-to-maintain code. Let's take a look at the ways to bind events in jQuery.

Oct 31, 2016 pm 02:20 PM

jQuery

Implement the sum and product of two exponentially decreasing polynomials

There are two unary polynomials with decreasing exponents. Write a program to first find the sum of these two polynomials, and then find their product.

Oct 31, 2016 pm 02:13 PM

多项式相加相乘

java abstract classes and interfaces

An important point in the object-oriented design process is how to abstract, that is, to establish an ideal one-to-one mapping relationship between elements in the "problem space" and elements in the "solution space". Abstract classes and interfaces are the products of the abstraction process.

Oct 31, 2016 pm 02:11 PM

接口 java

Use pushState, popState and location.hash methods to implement a small route yourself

This article mainly records the pushState and replaceStateAPI provided by history in HTML5. Finally, implement small routing yourself through these APIs.

Oct 31, 2016 pm 02:00 PM

pjax 路由 Javascript

Detailed explanation of sixteen magic methods in PHP

In PHP, methods starting with two underscores __ are called magic methods, and these methods play a pivotal role in PHP.

Oct 31, 2016 pm 01:40 PM

php

Detailed explanation of Android unit testing and simulation testing

Testing and Basic Specifications

Oct 31, 2016 pm 12:03 PM

Android java

Android process communication mechanism AIDL

AIDL stands for Android Interface Definition Language, which is Android interface description language. It sounds very profound, but its essence is an auxiliary tool for generating inter-process communication interfaces. It exists in the form of an .aidl file. All the developer needs to do is to define the interface for inter-process communication in the file. When compiling, the IDE will generate a .java file that can be used by the project based on our .aidl interface file. , which is somewhat similar to what we call "syntactic sugar".

Oct 31, 2016 am 11:32 AM

AIDL Android，java

Simple version of TimSort sorting algorithm

Principle and implementation of simple version TimSort sorting algorithm

Oct 31, 2016 am 10:53 AM

java TimSort

Java mail sending, qq and 163 mailboxes send each other, and qq and 163 mailboxes send other mailbox instances

After studying for nearly a day and reviewing relevant information, I finally have a little understanding of the mechanism and principles of sending emails in Java. I hope it can help everyone!

Oct 29, 2016 pm 01:48 PM

java