How to restore an element that has been deleted in CCRC?

通过版本树浏览器图形化合并目录:从已知包含缺失文件的版本开始,选择当前使用的目录版本进行合并,解决文件缺失问题。

Merge the directory graphically from the version tree browser: 

1. Start the version tree browser for the directory by right-clicking on the file directory, then select Version Tree. 

2. After the version tree browser appears, right-click on a version of the directory known to contain the missing file and select Merge to... and select the current version of the directory in use. 

3. When the dialog box appears, select Yes, and also select the option Merge the element graphically. 

4. Once the merge GUI appears, manually step through the differences between the current version and the selected prior version with the files. 

    Note: If you need assistance, you can use the Help available from within the Merge Manager tool. 5. Undo the difference resolution for the removed element names and then select the correct contributor you want to use. 

6. Save the results, and close the graphical merge window. You may need to Refresh your view for the element names to reappear in the directory version that they were just restored to. 

7. If the results are correct, then right-click the directory and click Checkin. 


Reference: 

1. http://www-01.ibm.com/support/docview.wss?uid=swg21149206

In VGA (Video Graphics Array) graphics, restoring colors typically involves sending pixel data to the display using memory-mapped I/O. Pointers and arrays play a crucial role in this process: 1. **Arrays**: You can create an array of bytes representing each pixel's color value, where each element corresponds to a specific color component (RGB, for example). The array would store red, green, and blue intensities for each pixel. ```cpp unsigned char colorArray[ScreenWidth * ScreenHeight][3]; ``` 2. **Pointers**: Instead of directly accessing elements, you'll often use pointers to access and modify these values more efficiently. For instance, you could have separate pointers for each color channel: ```cpp unsigned char* redPointer = colorArray; unsigned char* greenPointer = redPointer + ScreenWidth * ScreenHeight / 3; unsigned char* bluePointer = greenPointer + ScreenWidth * ScreenHeight / 3; ``` 3. **Mapping Memory**: In VGA, you need to map video memory (VRAM) to your program's memory space so that the hardware can read and write directly from there. This usually involves setting up memory addresses with BIOS calls. 4. **Sending Data**: To restore colors, loop through the pixels, load their corresponding RGB values from the array through the pointers, and send them to the VGA controller's addressable memory. Here's a simplified example in C/C++: ```cpp for (int y = 0; y < ScreenHeight; y++) { for (int x = 0; x < ScreenWidth; x++) { unsigned char r = colorArray[x][0]; unsigned char g = colorArray[x][1]; unsigned char b = colorArray[x][2]; // Send the pixel data to VRAM at the appropriate address vram_address(x, y) = r | (g << 8) | (b << 16); } } ```
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