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Index data are system data distinct from user data, and consist primarily of pointers. Changes in a database (by insert, delete, or modify operations), may require indexes to be updated to maintain accurate user data accesses. [1] Index locking is a technique used to maintain index integrity. A portion of an index is locked during a database ...
Word2vec is a technique in natural language processing (NLP) for obtaining vector representations of words. These vectors capture information about the meaning of the word based on the surrounding words.
IF is a conditional statement, that allows branching of the program execution. It evaluates the specified condition, and only if it is true, then it executes the remainder of the command line. Otherwise, it skips the remainder of the line and continues with next command line. Used in Batch files. The command is available in MS-DOS versions 2 ...
Keeps a current count of the number of input records read so far from all data files. It starts at zero, but is never automatically reset to zero. [15] FNR: File Number of Records. Keeps a current count of the number of input records read so far in the current file. This variable is automatically reset to zero each time a new file is started. [15]
The DEVICE command displays a map of I/O links and routes. Under DOS and UNIX printing a file can be done with redirection; under UNIX it is normally done by spooling the file to the "line printer" (using the lpr command) because UNIX is conventionally a multi-user system. TRSDOS/LS-DOS 6.x print jobs can be redirected (such as to a disk file ...
A CMD file has a 128-byte header, followed by 1–8 groups of code or data. [2] Each group can be up to 1 megabyte in size. In later versions of the format, CMD files can also contain relocation information and Resident System Extensions (RSXs). [2] The start of the header lists the groups present in the file, and their types.
In computing, ren (or rename) is a command in various command-line interpreters such as COMMAND.COM, cmd.exe, 4DOS, 4NT and Windows PowerShell. It is used to rename computer files and in some implementations (such as AmigaDOS [1]) also directories. It is analogous to the Unix mv command.
For a maximal range of ranges [] [] in which the frequency of a distinct element in remains unchanged (and equal to ), a horizontal line segment is constructed. The x {\displaystyle x} -interval of this line segment corresponds to [ i , j ] {\displaystyle [i,j]} and it has a y {\displaystyle y} -value equal to f {\displaystyle f} .