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What is the purpose of this person? I have more or less heard some safety circle bulls say similar ideas, to the effect that they can scan configuration files of various programs and services (such as SVN files, RSYNC configuration files, etc.). Find sensitive information from it, and then find the breakthrough of intrusion. Along the same line ...

1. UDP (User Data Protocol) (1) UDP is a non-connected protocol. Before transferring data, the source and terminal do not establish a connection. When it wants to transfer data, it simply grabs the data from the application program and throws it on the network as quickly as possible. At the sender, the speed of UDP transmitting data is limite ...

DES Encryption Introduction: DES is a symmetric encryption algorithm, the so-called symmetric encryption algorithm is: encryption and decryption using the same key algorithm. DES encryption arithmetic originated from IBM research and was formally adopted by the U.S. government. It has been widely used since then. But in recent years, it has ...

Original address: http://blog.csdn.net/liuhe688/article/details/6852523 be familiar with Android As you all know, no matter the micro-blog client or the news client, it can not be separated from the list component. It can be said that the list component is the most important component in Android data presentation. Today we will talk abou ...

Usage of Alert Dialog, a common instance of Android AlertDialog is widely used in applications where you want users to make "yes" or "no" or a wide variety of other choices, in order to keep the same Activity and not change the user's screen, you can use AlertDialog. Code Address https://github.com/Jue ...

Last article< A Preliminary Study of Taobao Atlas Framework Atlas-core (I) > We studied the modular apk: bundle system of Taobao, and the hook system of bundle system. In this article, we will continue to study the plug-in of the four components of the atlas framework. In the first analysis, we learned that the bundle architecture was r ...

The following is an introduction to the components in Preference Activity. PreferenceScreen: Setting pages can be nested to form secondary settings pages and titles can be set with Title parameters (this can also be used as a separate activity to start the settings interface, not yet studied). PreferenceCategory: A certain set of related ...

Five years of Android development, during which do stop and stop (to do background development, server management), when returning to Android, found that very strange, many controls used to write smoothly, now seems to forget something, always open the project, open the project, sometimes not necessarily find it. To sum up, it is still due to t ...

Button is a very simple control in Android. In our usual projects, it can be said that Button is very common and its usage rate is quite high. In itself, the use of this control is also well grasped. Next, we will introduce its use from several aspects, as well as the use of some custom Buttons. First of all, I will talk about some basic uses ...

Reprinted from http://blog.csdn.net/du_minchao/article/details/49045421     Java The streams can be classified from different perspectives. According to the direction of flow: input stream and output stream. According to the unit of processing data: byte stream and character stream. It can be divided into node flow and processing flow accord ...