Reproduced from: http://www.cnblogs.com/cs_net/archive/2010/09/15/1826558.htmlThe. Net Framework framework diagram, see many times, until today, actually I didn't understand. Today, 3 charts are drawn from a number of graphs to summarize your understanding of the. Net Framework fra
run easily. NET program, but this is only a marketing strategy issue rather than a technical issue.The contents of the Framework class Library FCL are as follows:Finally, when the program runs, it is compiled two times by the JIT (just in time) compiler in the CLR, compiling the intermediate language into machine code and executing the program.During the development phase of the program, the code is saved after the first compilation (build operation)
Please respect the results of the sharing, reproduced please indicate the source:http://blog.csdn.net/hejjunlin/article/details/52349221Preface: Starting from this article, will enter the multimedia framework, including MediaPlayer, Camera, Surface, Mediarecord, the next few are MediaPlayer related. Also look at the following agenda:
State diagram of the MediaPlayer
Idle state
End State
Simplified diagram:
The Java platform provides a new collection framework. The set framework consists of a group of interfaces used to operate objects. Different Interfaces describe a set of different data types.
Framework of Java 2 sets
Set interface: Six interfaces (short dotted line), indicating different set types
:, and Awakeafterusingcoder:.
Forwarding of messages
forwardinvocation: Allows one object to forward a message to another object.
Distribution of messages
Some of the methods at the beginning of performselector allow you to distribute the specified message after a delay, and you can distribute the message (synchronous or asynchronous) from the worker thread to the main path.2.5 Cocoa Object Life cycleFour ways to manage memory for objects, as shown in
Life c
:, and Awakeafterusingcoder:.
Forwarding of messages
forwardinvocation: Allows one object to forward a message to another object.
Distribution of messages
Some of the methods at the beginning of performselector allow you to distribute the specified message after a delay, and you can distribute the message (synchronous or asynchronous) from the worker thread to the main path.2.5 Cocoa Object Life cycleFour ways to manage memory for objects, as shown in
Life c
One of the more easily overlooked issues when learning Foundation and Uikit:For a new class, know its usage and property methods, but often ignore its inheritance relationship,Understanding the inheritance of classes can help deepen understanding of them.In addition, the inheritance of each class in the official document and the protocol to be followed are very clear, and the first thing to learn is to read the official documents.Take Uistoryboard for exampleInherits from (Inherit from what Clas
in advance, and then click the "Test Driver" button after configuring it, and the connection successfuly established indicates that the configuration data source is successful. Just click Finish to finish4. Add spring support for the projectAdd 5 jar packages required by spring.5. Add hibernate support to the projectHibernate here is unified by spring to manage all the configuration XML files without additional hibernate6. Add Struts2 support for the projectOnce added, you can see that the SRC
The database uses MSSQL 2005There are four of tablesOfflinemessage offline messages stored in this table if the friend is not on the line when the message is sentAfter waiting for a friend to go online, the server gets a message from this table, sends it to a friend, and deletes the sent offline message from the table.Rcusers Table User Table store user Information Protection login ID password gender etc.UserGroup Organization User group whether the user belongs to a sales group or a development
The original: "Zongheng Technology" based on the DWR framework of the REVERSEAJAX message push has a diagram!Source code: Http://www.zuidaima.com/share/1584228052847616.htm\The initial design of the network is not to allow the server to initiate a connection to the browser, so getting data from the browser in a timely manner is a tricky issue.Reverse Ajax is the ability to send data asynchronously from a We
The last few days of research on Android's persistence, a total of three frames have been studied, one is Ormlite, one is Hadi, and one is called Prueba
One of the most mature is ormlite, but also the most complex. The current version is 4.3.1
The second Hadi is a fairly simple overview of an open source framework, read all the code, simple and straightforward, but some bugs need to be fixed. For example, after inserting the object did not requery
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