Background:In a telecommunication project, HBase is used to store the user terminal details, which can be instantly queried by the front page. HBase undoubtedly has its advantages, but its own only for the Rowkey to support the rapid retrieval of
JSON is a lightweight data interchange format. Easy to read and write, but also easy to machine parse and generate ( typically used to improve network transfer rates ). before I wrote an article, " Android parsing JSON Data "http://blog.csdn.net/a2
1. Recently wrote an article about the Struts2 UI tab in the form label, the article address is: http://blog.csdn.net/u012561176/article/details/44986183Because of the lack of an example, we see the text and the table can not see what effect, so
/// // abstract of person. // public class person { // initialize the Personal Information class private string name; // user name private string sex; // user gender private int age; // user age private string address; // URL private
Using SPRINGMVC to receive the data from the foreground Ajax to complete the registration function.In order to facilitate the, the front-end JS model and the background user write a consistent function. The code is as followsFront:var User =
In the development of the project, we often have this experience: the same control we may use more than one, and we need to add their own style and operation of the basic style of JS code; In this case, If every place is copy Code, then, if you
Introduction to Cookie Practice
Try to share the code N, and finally did not find a good way. I think the code is hard to read. It is better to write ideas, the future code to change into a thought-piece
Session code Exercise 1.
I've been watching these days . Headfirst when, suddenly feel the object-oriented features, a little understanding of ambiguity, so in this review again, deepen the impression. The previous blog (http://blog.csdn.net/u010539352/article/details/395004
This article gives an example of how the JavaMail sends a message with attachments in Java. Share to everyone for your reference. The specific analysis is as follows:
JavaMail, as the name suggests, provides a programming interface for developers
referencing Objects
MONGO references one document (object) to another in the same database. Consider the class:
public class Blogentry {
private String title;
Private Date publishdate;
Private String body;
Private Author Author;
There are two ways of associating nested queries and nested results, which are described in this way as nested results
The previous chapter describes the relationship between , which is a complex type of association. We select an example to review,
[Turn your rational mind slowly into a conditioned reflex]
In this paper, we introduce the prototype model, the topic structure of the article is consistent with the upper. Practice, let's take a look at the environment of our example
Spring's function is very powerful, in its "never invented the wheel that they think good, and only invented the wheel that they think bad" under the guiding ideology, through the full practice of "all truth-seeking, ' evidence-based architecture '
1. I believe a lot of people read this article already know what connection pool is used for? Yes, the database connection pool is to establish a "buffer pool" for the database connection, pre-put a certain number of connections in the "buffer pool",
1) Many-to-one mapping relationship (unidirectional)Using foreign Key Association, the foreign key is selected on the main side, that is, the external key to be reflected in more than one side@Entitypublic class Company implements serializable{
Parsing Json nested data with Gson in Android DevelopmentGson parses complex json data
Another method to parse json data is described here through Gson resolution. I will not introduce a complicated json data for parsing relatively simple json data,
In the course Lecture03 _ application framework and key components _ 1, the instructor introduced that Intent is the medium for passing parameters between Activity and Service, the usage and example of using Intent and Bundle to transmit data
Mailsenderinfo.javaPackage Com.nihaorz.mail.util;import Java.util.properties;public class Mailsenderinfo {//IP and port private for the server sending the message String Mailserverhost;private String mailserverport = "25";//the address of the sender
1. xml configuration a separate class is designed for the joint primary key as the primary key class, such as studentka, Serializable interface B, rewrite equals () and hashCode () why do I need to write equals () and hashCode () methods? The same
To start public platform development, we must first understand what the platform can help us do? To start public platform development, we must first understand what the platform can help us do?
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