evolve edits

Sometimes you have to encrypt or restrict editing for the job, so how do you do it? In Word2010, there are several ways to choose between encryption and restriction editing. The following small series for everyone in detail under how to encrypt the

1, open a random file. This file doesn't matter, it's just a tool. 2, click on the file in Word's menu bar, then select Open. 3, and then find your important document, will be a copy of it. 4, right click on

1, open the file we need to protect, click on the "menu bar-Tools-limited edit", at this point, the following image will appear on the right options. 2, here we choose to "set the protection of the document-fill in the form" selected, start

What is a revision edit? in revision edit mode, the user changes to the Word document, not immediately, but after editing will be annotated, and then further confirmation will not take effect! This makes it easier for us to modify the correct! But

Delphi can be in. NET and Java "Two mountains" under the pressure, still loved by the vast number of programming enthusiasts, support, the reason, in addition to the VCL framework design exquisite, strong database program development capacity is

to traverse established responsibilities (such as logging and performance optimization) in a given programming model. If no cross-cutting technology is used, what is the situation of software development? In traditional programs, because the implementation of cross-cutting behaviors is scattered, it is difficult for developers to implement or change these behaviors logically. For example, the code used for logging and the Code primarily used for other duties are intertwined. Depending on the co

Background: The company online uses the CDH5 ha mode, has two namenode nodes, the result of which the standby node due to some errors about edits file abnormal stop, and in the process of startup has been reported to be unable to find a variety of files. Just beginning to suspect that the problem may only occur in the standby itself, so try Bootstrapstandby to reinitialize the standby node, but the problem remains.And then because I try to restart Z

crosscutting technology? In traditional programs, because the implementation of crosscutting behavior is decentralized, it is difficult for developers to implement or change these behaviors logically. For example, the code for logging is wrapped around code that is primarily used for other responsibilities. Depending on the complexity and scope of the problem being solved, the resulting confusion can be large and small. Changing the logging policy for an application may involve hundreds of

manually switch. In the next article, we will introduce the configuration of zookeeper to enable automatic switchover of primary and standby.Fs.ha.namenodes.myclusterThe nn1,nn2 in Dfs.namenode.shared.edits.dirConfigure a set of URIs for Journalnode (3,5,7,..., 2n+1) for active Namenode and standby Namenode read/write edits files (the principle can refer to the previous article "hadoop2.0 ha Introduction"), The mycluster in Dfs.journalnode.edits.diri

system is stored, and the change operations performed by the file system client are first recorded in the edits file.Both the fsimage and edits files are serialized, and when the Namenode is started, it loads the contents of the Fsimage file into memory before performing the operations in the edits file, allowing the in-memory metadata to be synchronized with th

information is present in memory when it is running. However, this information can also be persisted to disk. As shown in the following:Show to namenode how to save metadata to disk, there are two different files: Fsimage: This is a snapshot of the entire file system at Namenode startup. Edits: It is a sequence of changes to the file system after the Namenode is started. Only when the Namenode is restarted does the

data to data node 2 until the last data node in the pipeline, confirming that the packet was generated by the last data node, and upstream toward the client directionLoopback, the data node along the way to confirm the successful writing, only upstream delivery response6.3. Non-IPC interface on 2 byte point and second byte pointPS Service-Oriented Architecture (SOA), common HTTP request methods are Get,post,head,put,deleteThe HTTP protocol and get method are used between the Hadoop 1.x name nod

multiple modules, making it difficult for the system to design, understand, implement, and evolve. Compared with the preceding method, AOP can better isolate system concerns and provide modular cross-cutting concerns.2.2.3 connection pointJoint point: Specifies a point during program execution. For example, when a method is called or an exception is handled, the following point is used to cut the application. The connection point can be a method call

cross-cutting technique allows AOP to traverse established responsibilities (such as logging and performance optimization) in a given programming model. If no cross-cutting technology is used, what is the situation of software development? In traditional programs, because the implementation of cross-cutting behaviors is scattered, it is difficult for developers to implement or change these behaviors logically. For example, the code used for logging and the Code primarily used for other duties

loosely coupled, scalable enterprise systems. Crosscutting techniques enable AOP to move through a given set of responsibilities (such as logging and performance optimization) in a specific programming model.What happens to software development without using crosscutting techniques? In traditional programs, because the implementation of crosscutting behavior is decentralized, it is difficult for developers to implement or change these behaviors logically. For example, the code used for logging

programmatic ways, but in either case, the 4 aspects of web security are met: Verification: This is the most familiar to us, every start to develop a Web application will be a login page, which is actually to verify the identity of Web users, the Web users here is not necessarily a person, or a program, such as some crawlers want to crawl some pages, which requires them to provide a user name and password; Authorization: About this should also be familiar with, but because we are n

comes to building loosely coupled, scalable enterprise systems. Crosscutting techniques enable AOP to move through a given set of responsibilities (such as logging and performance optimization) in a specific programming model.What happens to software development without using crosscutting techniques? In traditional programs, because the implementation of crosscutting behavior is decentralized, it is difficult for developers to implement or change these behaviors logically. For example, the code

on the desktop of the computer during remote service. We have always said that this is because Java is too slow to develop such complex applications on a slow platform. But we are wrong. There are two reasons: First, Java has never been slow. Even if some parts have been slow, no one doubts that it will be quickly improved when it needs to be used on the server side, such as Jits, GCS. This is also an excellent place for Java. 2. Due to the natural features of the Java platform, Java applicatio

The desire to enable parallel development is the primary reason that branching and merging was created. please development is a practice which enables development teams working on different areas of the same software project to work while minimizing the chance of changing es, thus minimizing wasted effort due to rework or defect retion. this is the method team Foundation server adopts for simplifying the concurrent development. but the main reason we are using branching and merging are keep the

systems. The cross-cutting technique allows AOP to traverse established responsibilities (such as logging and performance optimization) in a given programming model. If no cross-cutting technology is used, what is the situation of software development? In traditional programs, because the implementation of cross-cutting behaviors is scattered, it is difficult for developers to implement or change these behaviors logically. For example, the code used for logging and the Code primarily used for