Use multiprocessing.Queue to safely pass data between multiple processes, suitable for scenarios of multiple producers and consumers; 2. Use multiprocessing.Pipe to achieve bidirectional high-speed communication between two processes, but only for two-point connections; 3. Use Value and Array to store simple data types in shared memory, and need to be used with Lock to avoid competition conditions; 4. Use Manager to share complex data structures such as lists and dictionaries, which are highly flexible but have low performance, and are suitable for scenarios with complex shared states; appropriate methods should be selected based on data size, performance requirements and complexity. Queue and Manager are most suitable for beginners.

To debug a single file in VSCode, first make sure that the correct debugger extension is installed, then open the target file and set a breakpoint, then start debugging through F5 or right-click menu. Optionally configure launch.json to use ${file} to achieve flexible debugging, and finally use the debug toolbar and console to perform variable inspection and execution control. 1. Make sure to install debugging extensions for the corresponding language; 2. Open the file to be debugged; 3. Click to set a breakpoint on the left side of the code line; 4. Press F5 or right-click to select the debugging option to start debugging; 5. Create launch.json containing "program": "${file}" to support any single file debugging; 6.

Use boto3 to upload files to S3 to install boto3 first and configure AWS credentials; 2. Create a client through boto3.client('s3') and call the upload_file() method to upload local files; 3. You can specify s3_key as the target path, and use the local file name if it is not specified; 4. Exceptions such as FileNotFoundError, NoCredentialsError and ClientError should be handled; 5. ACL, ContentType, StorageClass and Metadata can be set through the ExtraArgs parameter; 6. For memory data, you can use BytesIO to create words

Symbol search is used to quickly navigate code elements in VSCode. The answer is to achieve efficient search through shortcut keys and language support. Specifically: 1. Use Ctrl Shift O (Windows/Linux) or Cmd Shift O (Mac) to open the symbol search of the current file. You can enter the symbol name or use: delimited nested symbols; 2. Press the @ key to quickly trigger symbol search in the file; 3. Use Ctrl T to search for symbols in all files within the workspace, and the results will contain symbol names and files to which they belong; 4. Functions depend on language servers (such as TypeScript or Pylance), and the corresponding language extensions need to be installed to ensure that the file is saved and the syntax is correct, and the language server is running normally;

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Open the VSCode extension panel, click the extension icon in the left sidebar or use the shortcut keys Ctrl Shift X (Windows/Linux) or Cmd Shift X (Mac). 2. Find installed extensions in the search bar, or click the "Installed" category to view all installed extensions. 3. After finding the target extension, click the gear icon and select "Uninstall", or directly click the "Uninstall" button, wait for the uninstall to be completed and click "Reload" according to the prompt to restart the editor to complete the uninstall.

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The answer is: Use the std::string constructor to convert the char array to std::string. If the array contains the intermediate '\0', the length must be specified. 1. For C-style strings ending with '\0', use std::stringstr(charArray); to complete the conversion; 2. If the char array contains the middle '\0' but needs to convert the first N characters, use std::stringstr(charArray,length); to clearly specify the length; 3. When processing a fixed-size array, make sure it ends with '\0' and then convert it; 4. Use str.assign(charArray,charArray strl