摘 要: The bar code labels on tape cartridges provides not only human-readable but also machine-readable identifiers, which enable the tape library to correctly manage the tape cartridges. Any failure in the card code label system can cause data to be inaccessible to the system and the user. This paper discusses the many factors required to use bar code labels successfully in the tape backup env...
by 瓶客 - 存储资源下载 - 2008-10-24 14:04:49 阅读(1116) 回复(0)
I have a SUN , BLADE-150 (Solaris-8). I'm requested to build an application which reads data from a USB barcode Device. I' ve updated the latest patches. I have a directory called : dev/usb/5e0.28a/0 And it contains the files :cntrl0@ , cntrl0stat@, devstat@ , 0in1@ , if0in1stat@ I' ve installed DDK.0.9 from http://wwws.sun.com/software/download/products/3fe8d3b9.html And run a sample program fi...
802.11 mac code in NS-2 (version 2.28) by Joshua Robinson (jpr at rice.edu) Last update: 4-29-05 Note that this document is no longer maintained, as I have stopped work on NS-2 as of 2005. Please do alert me if you find any errors or more up-to-date descriptions of the code. Last updated 05/03/05 ---> There are 4 different paths the code can follow: Transmitting a packet Receiving a packet des...
DECLARE CURSOR TCURSOR IS SELECT Itemcode FROM Item; TYPE TRS IS REF CURSOR RETURN TCURSOR%ROWTYPE; RS TRS; BEGIN EXECUTE IMMEDIATE 'SELECT Itemcode FROM Item' INTO RS; END; 请问这段语句为什么会出错?