![]() ![]() Generally, software users can add equations, text, and images in a freeform manner. That’s because this kind of software frequently supports all measurement units, allowing English and metric units to be mixed in equations without fear. ![]() If engineers working on the Orbiter had access to today’s software for engineering math, the spacecraft might still be happily orbiting the Red Planet. NASA had used metric units while spacecraft builder Lockheed Martin had used English units. What caught the public’s attention wasn’t so much the failed mission as the cause of the failure: An investigation found a measurement mismatch between two software systems. The Mars Climate Orbiter made headlines back in 1999 when it approached Mars on a trajectory bringing it too close to the planet and wound up either destroyed in the Mars atmosphere or orbiting the Sun. The behavior of functions that accept a handle created using the CreateFile function, such as the GetFileTime function, will differ based on whether or not the CreateFile function was called using the FILE_FLAG_OPEN_REPARSE_POINT flag.Numerous open-source software packages now provide engineering math capabilities and go easy on the pocketbook. For more information, see CreateFile and the following CreateFile and CreateFileTransacted section. If COPY_FILE_COPY_SYMLINK is not specified and: If COPY_FILE_FAIL_IF_EXISTS is also specified, and the destination file is an existing symbolic link, the operation fails in all cases.If the destination file is an existing symbolic link, the symbolic link is overwritten, not the target file.If the source file is not a symbolic link, there is no change in behavior.If the source file is a symbolic link, the symbolic link is copied, not the target file.If COPY_FILE_COPY_SYMLINK is specified and: If the destination file already exists and is a symbolic link, the target of the symbolic link is overwritten by the source file. If COPY_FILE_FAIL_IF_EXISTS is not specified, there is no change in behavior.If COPY_FILE_FAIL_IF_EXISTS is also specified, and the destination file is an existing symbolic link, the operation fails only if the target of the symbolic link exists. Windows Server 2003 and Windows XP: The COPY_FILE_COPY_SYMLINK flag is not supported. If the source file is a symbolic link, the actual file copied is the target of the symbolic link. If an existing file is opened and it is a symbolic link, the handle returned is a handle to the target.If FILE_FLAG_OPEN_REPARSE_POINT is not specified and: If CREATE_ALWAYS, TRUNCATE_EXISTING, or FILE_FLAG_DELETE_ON_CLOSE are specified, the file affected is a symbolic link.If an existing file is opened and it is a symbolic link, the handle returned is a handle to the symbolic link.If FILE_FLAG_OPEN_REPARSE_POINT is specified and: If the call to this function creates a new file, there is no change in behavior. If CREATE_ALWAYS, TRUNCATE_EXISTING, or FILE_FLAG_DELETE_ON_CLOSE are specified, the file affected is the target.ĬreateHardLink and CreateHardLinkTransacted.If the path points to a symbolic link, the function creates a hard link to the target. If the path points to a symbolic link, the symbolic link is deleted, not the target. ![]() To delete a target, you must call CreateFile and specify FILE_FLAG_DELETE_ON_CLOSE. If the path points to a symbolic link, the notification handle is created for the target. FindFirstFile and FindFirstFileTransacted If an application has registered to receive change notifications for a directory that contains symbolic links, the application is only notified when the symbolic links have been changed, not the target files. If the path points to a symbolic link, the WIN32_FIND_DATA buffer contains information about the symbolic link, not the target. GetCompressedFileSize and GetCompressedFileSizeTransacted If the path points to a symbolic link, the target file is used. If the path points to a symbolic link, the function returns the file size of the target. If the path points to a symbolic link, the operation is performed on the target. ![]() If the path points to a symbolic link, the function returns attributes for the symbolic link. If the path points to a symbolic link, the temp path name maintains any symbolic links. If the path points to a symbolic link, the function returns volume information for the target. If the path points to a symbolic link, the function retrieves attributes for the symbolic link. If the path points to a symbolic link, the function returns attributes for the symbolic link.The perfect tool for students, teachers and engineers, built on an extremely powerful algebra engine, SymCalc solves any math problems from basic arithmetics to university-level advanced math. 5/15 is 1/3 and not 0.333 (unless you select rounded numerical mode) It offers all the advantages of an advanced graphing/scientific calculator mixed with the convenience of a modern mobile app. ![]()
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