[Computer Graphics] openGL common functions, computer graphics opengl
OpenGL common functions
GlAccum operation accumulation Buffer
GlAddSwapHintRectWIN defines a group
Triangle copied by SwapBuffers
GlAlphaFunc allows alpha Detection
GlAreTexturesResident determines whether a specific texture object is resident in the texture memory.
GlArrayElement defines an array component used for vertex Rendering
GlB
Multi-state computer program, multi-state computer
1. Create a form
2. Create an Operator class with two operands and a method
Public abstract class Operator {public abstract int Calc (); // Number of computations public int NumLeft {get; set;} public int NumRight {get; set ;}}
3. Create an Add class
public class Add:Operator { public override int Calc() { return this.NumLeft +
1. Press Win + R. After "run" is displayed, enter "gpedit. msc" and click "OK", as shown in the following figure;2. After entering this page, we will go to the group policy: computer configuration-management template-network-QoS packet scheduler, find and double-click "limit retainable bandwidth", as shown in the following figure;3. After entering the page, find "enabled" on the page. In the options be
The wireless connection prompt has connected this computer to XX (SSID), but the computer does not have permission to access the Internet. If you connect to a wireless hotspot, you may need to open a Web browser to complete the connection.
Possible Causes and solutions:
Vista system in the process of wireless connection may be a long time to pop-up such a hint, sometimes does not mean that no conne
, remember the path shown therein;
6, according to the relevant path, open the file to view the message (some files need special tools to open);
7, if you do not understand these reports, you can click to send detailed information (to Microsoft) Microsoft Engineers Analysis, improvement;
8, if this problem is always generated, but does not affect the use, you can also directly in the pop-up when the prompt click to send detailed information (need to keep th
First , at the beginning of the computer into the System control Panel (this we can directly in the system to adjust the like Realtek, via)
If we enter, click to open the Audio Manager-then click on the left side setting-Check the Disable front panel jack detection-and then click OK.
Figure 1
Second, Device Manager sound card is disabled
This we need to right click on the computer and then
The first step, the iphone wireless mouse will have two parts, one is the mouse body, one is the receiver (the equivalent of Bluetooth);
The second step, now we put the receiver of the wireless mouse into the computer USB interface, and then put the battery into the wireless mouse (note the positive and negative can not be reversed), after installing the battery, the mouse power switch open.
All right, now we turn on the
We click on the "All settings" on the desktop in the Millet 4 phone-"about mobile" details as shown in the following figure
Then in the open "about the phone" we will see there is an "Android version" and then we click on it 4 consecutive times to see that there is a developer option.
Then click on "Developer Options", turn on "USB debugging" can be turned orange to open.
Cloud Habitat Community Small series remind: if you press above your millet 4 connect not to the
1. If the connection is unsuccessful, we can try to loosen the USB and then try it again.
2. In the Oppo interface we follow the following figure to close and "pure background", pure background will cause the mobile phone and computer communications are disturbed
3. If you have like 360 assistants, 91 assistants and so on, we pull them out, otherwise it will cause a problem with the phone.
4. It is possible that the mobile phone drive
1. Click on the Windows 7 icon button in the lower left corner of the Win7, and then find "Control Panel" in the Start menu as shown in the picture.
2, into the Control Panel, we click the "Power Options" button to enter.
3, better operation of notebook computers, directly click on the lower right side of the computer small battery icon, we left-click he will eject the power of the battery status and power plan; We select "More Power Options"
Garbage cleanup Software
The computer housekeeper used to use it to clean up trash files is the quickest. Of course, cleaning up the history file is also very good, we can directly use 360 computer administrator.
Recently opened documents
In the computer's Start menu, there is a history below my document, which can be erased when clicked.
XP system
1, we click on the Start menu can be processed.
2,
In this process, we need two conditions: Windows 7 Usb/dvd Download Tool, and the ISO file for Windows 7.
First, we need to download a tool: Windows 7 Usb/dvd Download Tool. Please click here
(Http://images2.store.microsoft.com/prod/clustera/framework/w7udt/1.0/en-us/Windows7-USB-DVD-tool.exe)
Download the installation.
Put
this picture away.
expand this picture
Double hit Open this tool, click Browse to find the Win
Run cmd, open the command script, Win7 need to run under the administrator, you can search for "cmd" in the Start menu, and then right-click in Cmd.exe, select Administrator status to run.
Enter the contents of quotation marks
The code is as follows
Copy Code
"Netsh wlan set hostednetwork mode=allow ssid=??????? key=????????? ",
And then enter it??? The content can be set by itself, the SSID is the WiFi name, and key is the password you need to connect to
--Prepare for work
We turn on the Millet 4 phone, and then find the desktop "settings"-"all set", see "About the Phone" option, click to enter, continuous Quick click on the "Android version" option to open the developer option so that the mobile phone USB can be opened.--Connect computer
Now using the data cable of the 4 mobile phone to connect to the computer USB interface can be successfully connected,
Q: How do I use the CorelDRAW custom workspace on a new computer with the old computer?
A. Note: Different versions of CorelDRAW cannot share the same workspace.
The same version of the CorelDRAW shared custom space steps are as follows.
Operations in the old system:
Start CorelDRAW.
Click the Tools "/" option (use version 11 on the Macintosh, click the CorelDRAW Application menu, and then choose Prefe
Most of the causes of this problem on the computer card screen are explorer. We can try to end explorer in Task Manager and then restart it.
Open the task manager. If the mouse activity is still valid, right-click the blank area of the desktop taskbar and selectStart Task Manager". Collapse the image and expand the image. If the mouse operation does not respond, we can press"Ctrl + Alt + Delete", Call"Task Manager". Collapse the image and expand th
Registry method: "Start → run", type "Regedit" and then enter, then expand in Registry Editor [Hkey_current_ User\software\microsoft\windows\currentversion\explore Branch, delete the "stuckrects" primary key in the right window, and then restart the computer.
Desktop icons can not be displayed, and the right mouse button click on the Desktop no response!!
Access to the system in Safe mode indicates that the system has not been hit by a devastating
The specific methods are as follows:
1, right click on the Start menu, and then open the Control Panel;
2, click the "System and security" option;
3, then click on the "Security and maintenance" option;
4, click on the left "Change Windows SmartScreen Filter Settings";
5. Select the third item "Do not perform any action (turn off Windows SmartScreen filter)" and click OK.
Complete the previous steps to turn off Windows SmartScreen
Causes computer screen Flicker
1. Monitor adjust refresh frequency low
2. System Monitor Refresh rate Low
3. Monitor and host connection loose
4. Magnetic field Interference
Windows XP System Solutions
Method One: Enable monitor auto Adjust function
1. Look at the next to your monitor has a Aoto key, press the Aotu button to let the monitor automatically adjust the refresh frequency:
Scenario Two: Adjust the System Monitor refresh frequency
Method One
1. Open Task Manager
On the keyboard we also press "Alt+ctrl+del" into the System Task Manager
2. Look at "apps"
Then we look at the task Manager to see how many tasks are in the program.
3. After clicking the "Process" tab, figure
We'll see how many processes the system has and those processes that take up CPU and memory.
4. Close the Unused program
Right-click the mouse--end process
5. Do not know the procedure, you can directly Baidu.
Right-click the mouse--en
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