Linux

If you have a 12 million gb csv file, there are more than records and each record has 50 columns. What you need to do now is to add all the values in a column. What do you do? This is the beginning of a recent article. This article describes how to

Install freeglut or mesa first. Take freeglut as an example. After installation, glut. h will appear in/usr/include/GL and libglut. so will appear in/usr/lib. If not, copy it yourself. Then write a test program, such as test. c, and compile it with

1. Implement the GetTickCount function of Win32 API in Linux To port the GetTickCount API function in Windows to Linux, you can use the following code: long GetTickCount(){tms tm;return times(&tm);} 2. itoa porting for Windows and

The Linux Foundation released the kernel developer guide --A guide to the kernel development processTo encourage new programmers to participate in open-source projects and donate code. The Linux Foundation and Open Source Consortium) believe that

We may not be very clear about the scripting language in Linux. This time we will check the scripting language in Linux. Perl is a programming language designed by Larry Wall and constantly updated and maintained by him. Perl has the power and

DtAgeiaPhysX is a plug-in of Delta3D that encapsulates nVidia PhysX. To use it, you must also compile Delta3D. Unfortunately, compiling Delta3D is not a small task, and PhysX does not have a 64-bit version. In this case, all related software must be

In fact, the interactive interpretation and execution of user input commands as a command language is only one aspect of the Shell function, Shell can also be used for program design, it provides a variety of methods to define variables and

I. if condition statements　 Format:If condition expressionThen # execute the following statement when the condition is trueCommand listElse # execute the following statement when falseCommand listFiIf statements can also be nestedIf condition

Shell basic syntax Like an advanced programming language, Shell also provides instructions and the ability to use variables. For Shell, the values of all variables are a string. The Shell program uses $ var to reference the value of a variable named

The purpose of using a timer is nothing more than to periodically execute a task, or to execute a task at a specified time. To achieve this goal, there are generally two common effective methods. One is to use three timers in linux, and the other is

When learning Linux, you may encounter many problems. Here we will give XXLinux basic users an introductory article to share with you. If you spend some time on Linux forums like me, you will be angry with me because there are too many such

The following is a summary of armfans... I. uboot Installation 1. Traditional burning method: debug the ADS1.2 and MultiICE in Windows 1) Erase NorFlash first 2) load the u-boot.bin file to the SDRAM 2. New Burning Method: Using Jlink Specific steps

Linux Command lines are the only way to access advanced Linux applications. Linux administrators and developers are all learning objects. Susan Linton recommends three websites to learn about Linux Command lines: 0. LinuxCommandLinuxCommand is one

An operating system is essential to a computer. However, Linux is developing very rapidly and is catching up with Microsoft. Here we will introduce the knowledge of Linux, so that you can learn how to use Linux. For example, to add

Linux has become more and more popular among computer users. As a result, many users may encounter the Linux makefile problem when learning Linux. Here we will introduce the solution to the Linux makefile problem, I will share it with you

Some people say that Linux is not as good as Windows. In fact, this is because you do not understand Linux. When learning Linux, you may encounter problems of forgetting your password or losing your password, here we will introduce how to solve the

Linux initrd has many things worth learning. Here we mainly introduce Linux initrd, including introduction to nash and so on. Linux initrd focuses on many important things, the execution of init is divided into the following operations. Please

Now is the age of the network society. As a result, many people begin to learn computer knowledge, and Linux is becoming more and more popular. Do you understand Linux systems? Are you an application of Linux? In Linux environment how to complete

Linux requires the itoa function. Next I will provide a cross-platform itoa function. // Return the length of result string. support only 10 radix for easy use and better performance Int my_itoa (int val, char * buf) { Const int radix = 10; Char * p;

Linux allows multiple users to log on to different terminals at the same time. the Linux finger command allows the system administrator to know how many users are using this Linux host at a specific time, for this simple command, let's first