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1 Classification of libraries Depending on the link period, the library is divided into static and dynamic libraries. The static library is linked in the link phase (as if it were nonsense, but this is the case), so the resulting executable file is not affected by the library, and even if the library is deleted, the program can still run successfully. Unlike static libraries, dynamic library links are li

Uboot Link Script (why link script required) The linker has two main functions, one is to combine several input files (. o files) into an output file (such as an elf-formatted executable file) according to certain rules; One is to bind the symbol to the address (the loader also does this part of the work) The program from the source code to the binary executable file needs to go through: Preprocessing

visually control the shared library version.The format is: lib + math +. So + major version + minor version number + production numbersuch as: libmath.so.1.1.1234.Lib is the contract prefix name of a library on a Linux system,Math is the name of the library itself,So is the suffix name of the shared library,1.1.1234 is the version number of the shared library,Format: Major version number + minor version number + make (build) number.Major version number-represents the version of the current shar

permission, the T permission is stic_bit, we use two ordinary users to verify his role:As shown, we first deleted the LV account under the Lv-one account in the test directory under the 1.txt file, then we give the test directory to add t permissions, and then use Lv-one Delete the test directory under the subdirectory test1, the hint is not allowed, said with the T permission to play a role.Four Soft linksFormat ln-s source File link fileThe most in

The first part: the compilation processFirst understand the Linux C code compilation process, c code compilation, generally divided into four stages, including: Pre-compilation, compilation, compilation and linking, the four phases of division isPre-compilation phase:Compile phase:Assembly phase:Link stage:Part Two: definition of dynamic link library and static link libraryThe third part: the difference bet

The difference between a dynamic-link library and a static-link libraryThis article references the following blogs:1. http://blog.csdn.net/gamecreating/article/details/55041522. http://blog.csdn.net/left_la/article/details/120985453. http://blog.csdn.net/augusdi/article/details/6460415Static Connection library is the use of the (Lib) file function code directly linked into the target program, the program is

Junk links usually refers to the webmaster in order to improve the ranking of the site, in any other can leave a message on the site of their own links, such as blogs, forums, Articles with comments function of the site, Shijiazhuang SEO Wandering Blog has done so. These messages are different from normal messages, and spam messages have the following characteristics. One is the message and the original post or article theme has nothing to do, just to leave the

One of the most important features of the Linux file system is its file link. A link is a reference to a file, which allows the file to be seen in multiple places in the file system. However, in Linux, links can be treated as if they were the original files. Links can be executed, edited, and accessed in the same way as regular files. For other applications in the system, the

　　 "Editor's note" the author of this article @ Li Jianzhong jz. The author states that, in fact, regardless of Chinese and foreign, the number of internet history of the great companies, are all the links to achieve the ultimate company. Google search engine core pagerank do is the link between page, Amazon is creating a link between people and product, the Facebook social network is to do the

Body:Understanding the premise: the file on Linux can be understood as follows: File-"file name, a file can have multiple file names."In this way, a hard link can be seen as multiple file names, and a soft link can be viewed as a link to one of the filenames, equivalent to a shortcut to Windows.Therefore, the deletion of all file names will not be able to access

A program engineer will occasionally encounter when deploying code, there is no database such as MySQL on the server, or the price of the database has to be calculated in addition to the space, when your project is small or not able to buy the database space, you can consider using SQLite.SQLite is a small, but SQL statement and functionality is inferior to other databases.Begin:The general development environment is configured as follows:1. Download SQLite3.dllOpen the Download Channel

In Linux, ln commands are provided to link files. File links are mainly divided into hard links and soft links. Hard link: Because files in Linux are identified by inode, hard links can be considered as a pointer to the file index node, the system does not re-allocate inode for it. Each time a hard link is added, the number of links to the file is increased by 1.

Believe that many have used ecshop webmaster know thatEcshop AD link address in the form of"Affiche.php?ad_id=1uri=http%3a%2f%2fwww.ecmoban.com"In the middle of it with affiche.php made a transition, the purpose is to statistical advertising effect.This connection has the possibility of a transition error, and is not conducive to SEO, can be changed to a direct form, that is, the background set what the link