使用viginear,Column permutation,DES加密和解密
标签: permutation viginear Column DES
上传时间: 2013-11-26
上传用户:xwd2010
The PCF8578 is a low power CMOS1 LCD row and Column driver, designed to drive dotmatrix graphic displays at multiplex rates of 1:8, 1:16, 1:24 or 1:32. The device has40 outputs, of which 24 are programmable and configurable for the following ratios ofrows/Columns: 32¤8, 24¤16, 16¤24 or 8¤32. The PCF8578 can function as a stand-alone LCDcontroller and driver for use in small systems. For larger systems it can be used inconjunction with up to 32 PCF8579s for which it has been optimized. Together these twodevices form a general purpose LCD dot matrix driver chip set, capable of driving displaysof up to 40960 dots. The PCF8578 is compatible with most microcontrollers andcommunicates via a two-line bidirectional bus (I2C-bus). Communication overhead isminimized by a display RAM with auto-incremented addressing and display bankswitching.
上传时间: 2013-10-23
上传用户:顶得柱
1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (external supplyalso possible)– generation of intermediate LCD bias voltages– oscillator requires no external components (externalclock also possible)· Display data RAM: 80 characters· Character generator ROM: 240 characters· Character generator RAM: 16 characters· 4 or 8-bit parallel bus or 2-wire I2C-bus interface· CMOS/TTL compatible· 32 row, 60 Column outputs· MUX rates 1 : 32 and 1 : 16· Uses common 11 code instruction set· Logic supply voltage range, VDD - VSS: 2.5 to 6 V· Display supply voltage range, VDD - VLCD: 3.5 to 9 V· Low power consumption· I2C-bus address: 011101 SA0.
上传时间: 2013-11-08
上传用户:laozhanshi111
SelectionDemo also has code (not included in the preceding snippet) that changes the table s selection orientation. By changing a couple of boolean values, you can make the table allow either Column selections or individual cell selections, instead of row selections.
标签: SelectionDemo the preceding included
上传时间: 2015-05-04
上传用户:gut1234567
The code is fairly straightforward, except perhaps for the call to convertColumnIndexToModel. That call is necessary because if the user moves the Columns around, the view s index for the Column doesn t match the model s index for the Column. For example, the user might drag the Vegetarian Column (which the model considers to be at index 4) so it s displayed as the first Column — at view index 0. Since prepareRenderer gives us the view index, we need to translate the view index to a model index so we can be sure we re dealing with the intended Column
标签: convertColumnIndexToModel straightforward perhaps fairly
上传时间: 2013-12-10
上传用户:it男一枚
Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this motion into a forward and backward whil orbits. The current function makes use of two sensors to generate a bi-directional spectrogram. The method can be extended to any time-frequency distribution % % compute the forward/backward Campbell/specgtrogram % % INPUT: % y (n x 2) each Column is measured from a different sensor % /////// % __ % |s1| y(:,1) % |__| % __ % / \ ________|/ % | | | s2 |/ y(:,2) % \____/ --------|/ % % Fs Sampling frequnecy % % OUTPUT: % B spectrogram/Campbel diagram % x x-axis coordinate vector (time or Speed) % y y-axis coordinate vector (frequency [Hz])
标签: experience elliptical decompose important
上传时间: 2015-06-23
上传用户:372825274
pb datawindow 技巧 例子: 使DataWindow列只能追加不能修改 如何使DataWindow中的数据只能追加新记录而不能修改,利用 Column 的 Protect 属性可以很方便的做到这一点,方法如下: 将每一列的 Protect 属性设置为: If( IsRowNew(), 0, 1) ) 在 PowerScript 中可以动态修改 Protect 属性: dw_1.Modify("Column_name_here.Protect= 1~tIf(IsRowNew(),0,1) ") 这样,DataWindow 中只有新追加的记录可修改,而其他记录是只读的。
标签: DataWindow datawindow 修改 pb
上传时间: 2013-12-09
上传用户:
Address book helps you look up your addresses from the system tray. It is quite useful in that way 慶ause it stays out of the way and is easily accessible when needed. Double clicking on any URL will start the default web browser and take you to that URL. Double clicking on the phone number will dial that number. Every Column supports sorting and can be customized to your needs. Preview will display the notes associated with each record. This program can also import Comma Separated Values (*csv) text files of Outlook Express.
标签: addresses Address system useful
上传时间: 2014-07-08
上传用户:lyy1234
TFIND searches for one or more strings (boolean AND) in a text file. TFIND reports all lines where the string(s) were found (or NOT found by option). The search can be limited to a field in a fixed field (i.e. Column oriented) list. An extended search mode is available, where only letters and digits are relevant. Other options: case sensitive search, alternative errorlevel with number of hits, header line with file name, LFN, custom prefix
标签: TFIND searches boolean reports
上传时间: 2016-01-24
上传用户:lindor
A Windows FTP client written without CInternetSession or CFtpConnection classes. Demonstrates manual manipulation of Winsock sockets, FTP principles, and GUI concepts such as List controls with in-place label-editing and Column sorting, progress indicators, and reading and writing to the Registry
标签: CInternetSession CFtpConnection Demonstrates Windows
上传时间: 2014-01-04
上传用户:FreeSky