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- Simple example of Mybatis
- First, create a new JavaWeb project and import the jar package that mybatis depends on. At the same time, Mybatis operates on the database, so we need to create a new table user in the database for demonstration. After creating the new table, we also need to create the corresponding entity class User.java and add set and get methods:
- java类库 1932 2016-11-02 10:36:08
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- java multithreading implementation
- java multithreading implementation
- java类库 1632 2016-11-02 10:01:44
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- HashSet HashTable 与 TreeSet
- HashSet HashTable 与 TreeSet
- java类库 1814 2016-11-01 15:01:12
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- OA system permission management
- First of all, when we log in, we need to obtain all the permissions of the role and then put them in the session scope.
- java类库 1950 2016-11-01 13:43:03
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- Sealed seal type
- Sealed seal type
- net class library 1596 2016-11-01 13:32:24
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- How much do you know about java collections
- I have been using Java collections for so long, but I have never systematically studied the collection structure of Java. Today I personally drew the following class diagram, and finally gained something.
- java类库 2007 2016-11-01 13:02:48
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- STL for C++
- STL for C++
- Other libraries 1479 2016-11-01 11:50:07
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- Java Web simple paging display example code
- This article mainly introduces the relevant information of Java Web simple paging display example code. This article achieves the paging effect through two methods: calculating the total number of pages and querying the specified page data. It is very good and has reference value. Friends who need it can For reference
- java类库 2096 2016-11-01 11:42:00
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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.
- java类库 1590 2016-11-01 11:33:35
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- 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.
- java类库 1922 2016-11-01 11:31:26
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- 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.
- Other libraries 1710 2016-10-31 14:57:14
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- 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.
- Other libraries 1725 2016-10-31 14:29:13
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- HibernateSummary
- In order to improve performance, Hibernate provides caching and snapshot mechanisms.
- java类库 1561 2016-10-31 14:24:17
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- 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.
- Other libraries 1561 2016-10-31 14:20:29
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- 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.
- C# class library 1794 2016-10-31 14:13:02
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