Data Bool

Use this technical background: in the target host to the back door, you need to transfer data, at the same time the information is important, the action can not be too large. Other cases of "serious" do not recommend using this technique (I'll talk about why later). For some of the current firewall situation, if your process open a port (or even a new socket) must be blocked. On the contrary, it is clear to us that a process validated by a firewall will never be stopped when it transmits data. So my idea is simple: take the socket handle that allows data transfer in other processes to be used. The process is as follows: 1. Find the target ...

asp.net creator providers believes that we are already very familiar with the development of asp.net applications. 　 　　The login section in the Visual Studio Control Toolbox, for example, is based on membership provider, session provider, and profile provider, which greatly simplifies our process of dealing with user-related functionality during development. (More provider ...

1. Boxing, unpacking or aliases many of the introduction of C #. NET learning experience books on the introduction of the int-> Int32 is a boxing process, the reverse is the process of unpacking. This is true of many other variable types, such as short <-> int16,long <->int64. For the average programmer, it is not necessary to understand this process, because these boxes and unboxing actions can be automatically completed, do not need to write code to intervene. But we need to remember that ...

A recent optimization of data statistics for a web, but because of the large amount of data, it takes a long time to execute SQL statistics (generally 700ms is normal). The normal practice is to add a cache. But at the same time the business requires this data to be updated for up to 1 minutes, and there may be more variation in that data (and the original system is not easy to expand). That is, cache 1 minutes to fail to recalculate, and user access to this page is very frequent, if the use of general caching so user experience is poor and very easy to cause super ...

"Crack Author" analog "Author mailbox" yuchaochina@hotmail.com "use tool" ollydbgv1.10,peidv0.93 "crack Platform" WinXP "software Name" Aescul.exe (crackme) "Add shell Way "No" crack statement "I am a little rookie, I have a little experience, would like to share:"-------------------------------------------------...

Windows message hooks are generally familiar. It's a lot of useful, familiar to have-use the keyboard hook to get the target process keyboard input, so that all kinds of passwords to achieve unspeakable purposes. Friends want to let his software is not the global hook monitoring, there is no way to achieve it? The answer is yes, but there are flaws. Start with a simple look at how the global hook is injected into another process. The message hook is provided by the WIN32 subsystem, and its core part is provided by the Ntusersetwindowshookex for the user to set the message hook ...

The Windows Azure Data storage service, built on the Windows Azure Cloud computing platform, leverages the advantages of the Windows Azure Cloud computing platform with the following features: (1) high-security users can customize the security level of data, such as public or private data. Public data can be accessed by anyone, but users of private data must be authorized and authenticated to access it. 　　Authorization and authentication are achieved by accessing the key, and only the person with access to the key can access the private data. (2) ...

This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. 　　Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...

Server-push technology has been available for a long time, but until the birth of gtalk slowly guide the technology, but so far, very few people to apply this technology, Server-push is a what kind of things? Therefore, the name of Server-push, "server Push" means that Ajax have been used, it and Server-push is the opposite two things, Ajax is from the server side pull data, if you want to regularly update the data block displayed on the page, then the simplest way ...

You can implement your own blockchain with less than 200 lines of Go code! Sounds interesting? What better way to learn than to develop a blockchain of your own? Then let's practice together!