Linux

Locate is a tool for quick file search in Linux. in Windows, the everything function is also very powerful. to implement the GUI frontend of the locate, you must understand the locate. the entire locate task is actually composed of four parts:

In Linux, we recommend that you use goldendict as a dictionary tool. You can use the stardict and Babylon dictionaries. Of course, pay attention to copyright issues. You can install it directly from the source in Ubuntu/Debian, and then ~ /. The

1) header fileWinsock. h/winsock2.h in WindowsHow to handle sys/socket. h errors in Linux: errno. h 2) initializationWsastartup is required for Windows. Wsadata; Err = wsastartup (0x202, & wsadata); If (Err! = 0){Return 0;}Else if (lobyte

In Linux, if you have written your own dynamic link libraryProgramTo find these dynamic link libraries. If the setting is incorrect, an error similar to the following occurs: Test: Error while loading shared libraries: libexampleso. so.0: cannot

First, Log On As A root user. First load the USB Module modprobe USB-storage Use fdisk-L to check the USB flash drive device. Assume that the USB flash drive is sda1. 2. Make sure that the folder/USB is created under the directory/mnt. If not, enter

Opencv is an open-source computer vision Library Supported by Intel. It consists of a series of C functions and a small number of C ++ classes, achieving many common features in image processing and computer vision.Algorithm. It does not rely on

I installed Ubuntu 10.04 with VMWare a few days ago, but I didn't connect to the Internet. So I posted a post on the forum asking for advice from someone else. Unfortunately, I didn't wait until I finally came out yesterday, now I will share my

During the construction of the embedded systemBootloader After debugging, enterKernelThe most important step in the transition phase isKernelStart debugging.KernelThe most common problem encountered during the process is startup exceptions.:

POSIX character entity: [: entity name:]: [: Alpha:], [: lower:], [: Upper:]: letter, lower case letter, upper case letter [: Digit:], [: xdigit:]: decimal number, hexadecimal number [: Alnum:]: letters, numbers [: Punct:]: punctuation [:

  Install the Open-iSCSI suite, that is, Linux open-iSCSI initiator. # Sudo apt-Get install Open-iSCSI   Commands for iscsiadm: Search for targets on the host iscsiadm-M discovery -- type sendtargets -

Variable can be extended to produce various functions.Generating a new result string does not affect the original variable!   Search, replace, and delete A =/12/123/ABC Replace the first appearance place from left to right: $ {A/12/}=>/// 123

Variable Operators The parent shell script always runs in the sub-shell environment. The sub-shell can only see copies of environment variables, but cannot see local variables of the parent shell; the parent shell can not see local variables of

Why is jthread used? To put it simply, ourProgramWe often need to consider the problem of multithreading and cross-platform compilation. However, the multi-thread Writing Method in Win32 and Linux is quite different, so we have to use a rather ugly

VM. swappiness = 10 Net. ipv4.tcp _ syncookies = 1 Net. ipv4.tcp _ tw_reuse = 1 Net. ipv4.tcp _ tw_recycle = 1 Net. ipv4.tcp _ fin_timeout = 30 Net. ipv4.tcp _ keepalive_time = 1200 Net. ipv4.ip _ local_port_range = 1024 65000 Net. ipv4.tcp _ max_tw_

I. Preface There are two types of Linux interrupt: Soft Interrupt and hard interrupt. The software and hardware here means software and hardware, rather than software or hardware. Soft Interrupt is the "signal mechanism ". Software is not

There are many commands in Linux. It is not easy to remember. But you don't find out. These commands are mostly abbreviations of a word or phrase. It's easy to remember as long as you find the rule. I just saw a post on the Internet, so I picked it

thread learning P287-P297 # Include // create thread int pthread_create (pthread_t * restrict TIDP, const pthread_attr_t * restrict ATTR, void * (* start_rtn) (void *), void * restrict Arg ); // The thread terminates void pthread_exit (void *

◎ What is NFS? Network File SystemNFS was developed by Sun and launched in 1984. NFS is an RPC service that enables us to share files,It is designed to be used between different systems,Therefore, its communication protocol design has nothing

It is called by the exec system. In fact, in Linux, there is no exec () function form. Exec refers to a group of functions, with a total of six functions: # Include extern char ** environ; int execl (const char * path, const char * Arg ,...); int

LinuxApplication in Program Link to an external function in either of the following ways (Lib *.) Static link, andCodeIncluded in the Application Program Executable File Or the Shared Library (Lib *. So. Ing the dynamic library into the