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Three to solve the computer does not sound the coup: 1, check the sound card, connectors, and speakers and other devices are connected to normal, anti-virus software to run anti-virus; 2, right click on "My Computer"----"Properties"---"Hardware"----"Device Manager", open the "voice, video and game controller" is there any problem, that is, see if there is no yellow "? ”。 If so, reinstall the device drive
:"Windows cannot start Apache2. ..... on the local computer and refer to the specific service error code 1"Solution: modify the httpd. conf file in the \ conf \ httpd. conf Directory of the Apache installation directory.# Change this to Listen on specific IP addresses as shown below# Prevent Apache from glomming onto all bound IP addresses.## Listen 12.34.56.78: 80Listen 80Change port 80 to 81 or another one,After modification,# Listen 12.34.56.78: 81
Anyone who uses PHP knows that Zend encode is a script programming tool that uses it to write Program , Must be placed on the web server in the form of source code, so we cannot protect our own Source code . Everyone knows that the execution efficiency of any script program is the same as that of compiled binary programs with the same function. Code In comparison, the execution efficiency is relatively low. If there is a tool that can help us compi
compilation, which means that the execution efficiency of the script is improved. In some sense, Zend encode is a "PHP compiler". However, it is not a true compiler, because the actual compiled program can be run away from the original compilation environment, and Zend encode compiled programs, need to have Zend Optimizer support. Just like compiling a good Java binary code, you need the support of the JVM. So, Zend Optimizer can be seen as a virtua
Sometimes our program can be very good to complete the installation, but the configuration of the program may require other programs to assist the completion, if not execute these programs, the main program can not do a good job, or even do not complete the work, a very obvious example is that many programs are currently developed through NET technology, This req
Linux has become more and more popular among computer users. As a result, many users may encounter insecure Linux system programs and substitution programs when learning linux, here we will introduce insecure Linux system programs and replacements. Here we will share with you. WuFTD has been prone to security vulnerabi
I. Introduction With the continuous development of computer networks, hacking technology has become a technical force that cannot be ignored. Although most hackers target servers, the direct harm to most Internet users is not great. However, there is a kind of hacker programs called "Trojan Horse" that can install trojans on the server end of a common network client through deception and other means, so th
like to write programs, to be a programmer is to go to heaven;do not like to write programs, programmer is the hell. programmers need to lie in front of the computer, often day and night, very hard, and work slightest the slightest false, less write a punctuation is not. Like people, the days are very happy, every write a line of code, there will be new achieveme
Anyone who uses PHP knows that it is a script programming tool. programs written by it must be placed on the Web server in the form of source code, so we cannot protect our source code. We all know that the execution efficiency of any script program is compared with the compiled binary code with the same function. I. working principle of ZendEncode Anyone who uses PHP knows that it is a script programming tool. pr
An attractive feature of Linux is that users can customize the entire system by themselves. However, you can run a "mini" Linux with only 1 MB of space or a powerful Linux with several GB of space. Regardless of the Linux operating system, you start from the boot program. Most common users run Linux on their PCs. PC, also known as PC, is a common computer that uses Intel or AMD chips. When we connect the power of the PC, the CPU will execute the first
Options to display Hidden directories. 5. restart the computer and uninstall it. Other supplements: Sometimes MySQL cannot be fully uninstalled. In this case, you must delete the registry and some residual files in some ways before re-installing them! First (1) Start-MySQL Server 5.1-MySQL Server Instance Config Wizard ---> Remove Instance.(2) Click [start] -- [run], enter services. msc and press enter to enter the service management window.(3) Find
Each time you install new software or uninstall the old software, you usually need to open the "Add/Remove Programs" window in the System control Panel, but the response will be "slow" a lot, there is no way to let it start faster? Method 1: Repair system files First Run "Sfc/scannow", click the "OK" button, the system will automatically scan the entire computer system files, once you find which fi
1. What the procedure is. A program is equal to a data addition algorithm, a collection of command sequences written in a computer language to achieve a specific goal or solve a specific problem. 2. What constitutes the procedure. The program is composed of instructions and data. 3. What is machine language. Machine language is also called low-level language or binary code language, which is the data that the CPU in the
We recommend that you optimize your computer without virus or rogue software: 1. disable idle ide Channels Right-click "my computer-properties", click "hardware", and then click "Device Manager ", open the "Ide ATA/PATA controller" and enter the Primary and Secondary ide channels respectively. Select "Advanced Settings". Here, find the item "Current transfer mode" is "not applicable, set "device type" to "
JRE (Java Runtime Environment Java Run environment)including Java virtual machines (JVM Java) and the core class libraries required by Java programs, if you want to run a well-developed Java program, you only need to install the JRE on your computer.JDK (Java Development Kit Java Development Kit)The JDK is available to Java developers, which includes Java development tools and the JRE. So with the JDK installed, you don't have to install the JRE separ
Workaround:1, installation Fcitx-frontend-qt5[Email protected]:/home/he# sudo apt-get install fcitx-frontend-qt52. Copy the installed FCITX-FRONTEND-QT5 to the QT installation directoryTypically, FCITX-FRONTEND-QT5 is in the following directory path (the file installation path can be seen with the command dpkg-l package name ):/usr/lib/x86_64-linux-gnu/qt5/plugins/platforminputcontexts/libfcitxplatforminputcontextplugin.soCopy the file to/home/he/qt5.5.1/tools/qtcreator/bin/plugins/platforminput
checks that the WAITPID function terminates normally, otherwise it outputs an error message.Test:Note that the program does not recycle child processes in a specific order. The order in which the child processes are reclaimed is the properties of this particular computer. On another system, even once again on the same system, two sub-processes may be recycled in reverse order . The above test results also illustrate this point. This is an example of
After a long time using a computer, we generally use a certain number of specific software. For example: Internet Explorer is not very easy to use yo (personal opinion), and friends to contact with Tencent QQ, MSN Messenger, download files with Flash get and so on. So do you think it's a lot of time to tap the software shortcuts in the Start menu or the Quick Launch bar to open the software? Yes, I agree! Actually, we don't have to be so troublesome.
Troubleshoot WINDOWS7 system programs that cannot be installed or run because of system security: A, when you first double-click the "setup.exe" file that runs a program, the mouse pointer disappears after "a few turns". b, then, run the program in a compatible way, but the software still doesn't respond, and when he right-clicks the program's properties, at the bottom of the property window, it finds that the program is locked by Windows 7. Windows
1. First, let's hit the Start menu of the WinXP computer, then choose to go to the Run window from the Start menu, and in the Open Run window, we enter CMD and click Return so that we can open the Command Prompt window of the WinXP system. 2. In the Open Command Prompt window, let's enter the following set of commands, respectively: regsvr32 appwiz.cpl/s carriage return; regsvr32 mshtml.dll/s carriage return; regsvr32 jscript.dll/s carriage
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