Tag:operating system

  • JSP gets the browser and operating system information of the client


    string agent = request.getheader(“user-agent”); stringtokenizer st = new stringtokenizer(agent,”;”); st.nexttoken(); //Get the browser name of the userstring userbrowser = st.nexttoken(); //Get the user’s operating system namestring useros = st.nexttoken(); You can also get the information of the local machine in this way:Operating system informationsystem.getproperty(“os.name”); // Win2003 is Win XP?system.getproperty(“os.version”); system.getproperty(“os.arch”); Browser:request.getheader(“user-agent”) Another red envelopeRequest. Getheader […]

  • Getting the operating system and its version number by vbs


    Getting the operating system and its version number by vbs ‘************************************** ‘*by r05e ‘* operating system and its version number ‘************************************** strComputer = “.” Set objWMIService = GetObject(“winmgmts:” _ & “{impersonationLevel=impersonate}!\\” & strComputer & “\root\cimv2”) Set colOperatingSystems = objWMIService.ExecQuery _ (“Select * from Win32_OperatingSystem”) For Each objOperatingSystem in colOperatingSystems Wscript.Echo objOperatingSystem.Caption & ” ” & […]

  • Six common Linux operating systems recommended


    Do you know where the charm or power of Linux comes from? That is, due to the blooming of many distributions, the camp of Linux is growing. Each distribution has a large number of users, and developers are willing to invest in related projects. Linux distributions come in all shapes and sizes and are designed […]

  • GMIS: lower costs lower cost better productivity higher efficiency


    Hello 2020! Happy New Year’s Day! This opens the chapter of the 1920s of the 21st century 1. GMIS 10th anniversary From 2010 to 2020, ten years have passed. GMIS – general management information system has been continuously upgraded and optimized for ten years. From the general table of chinam.com to the config table of […]

  • UCORE operating system experiment notes – re understanding interrupt


    In the last article, Lab 1, the experimental notes of UCORE operating system, I have recorded the use of interrupt in detail. The focus of that article on interrupts is how to use IDT, interrupt descriptors, interrupt vector tables, and so on. In this article, I will focus on another area, that is, how to […]

  • Common questions of operating system interview


    Process vs thread The biggest difference between process and thread isThe process has its own address space, and the threads in one process are invisible to other processes, that is, process a cannot directly read and write the storage area of process B through address transmission。 Interprocess communication (IPC) is required for communication between processes. […]

  • ReactOS: Windows based open source operating system


    ReactOS is a new free and open source operating system. Its design is based on windows, just like Linux is based on UNIX. The appearance of ReactOS is similar to that of windows. It can run Windows software and drivers. However, the project is in progress and may not be perfectly compatible. The best way […]

  • Upgrade High Sierra


    I’ve upgraded the operating system many times before, but I’ve never had such a bad time. Write it down, maybe it can help friends who have similar problems. Catalyzer Catalyst, also known as catalyst, is a substance that can accelerate chemical reaction rate by providing another reaction way with low activation energy, and its quality, […]

  • The process of operating system experiment


    Preface This is a kid’s shoe with a silly little cake. Although it’s an experiment in class, if you want to finish it well and study it, it’s also an opportunity to improve your understanding. This experiment is mainly a small programming experiment under Linux to understand some knowledge about the process. Question generation First […]

  • Auto scale picture with imgproxy


    No map, pure dry goods, large amount of information, careful! The achievements in recent days are condensed into such a line of code: document.getElementById(‘img1’).src = ‘http://www.mysite.com/imgproxy’ + imgproxy(document.getElementById(“img1”).getAttribute(‘data-src’), 135, 85); Find the right drawing bed At the beginning, I only saw that the size of my personal blog pictures was different, which was ugly. I […]

  • [continuous update] PHP R & D Engineer skill map


    It’s a long time since I came to segmentfault. This time, I will bring you the PHP R & D Engineer skill map: PHP R & D Engineer skill map The content of the atlas mainly comes from the Internet and books. It is well organized with mind map and knowledge points, especially suitable for […]

  • C language you don’t know — the first part — compiling and running


    I believe that many students of science and engineering have more or less learned C language in college, but due to the carelessness of teachers or the limitation of our knowledge at that time, we have many misunderstandings about C language. And when we learn C language, in order to be convenient and convenient, most […]