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The user's login password is encrypted. In order to see the original password, it can be decrypted. It mainly prevents the user name and password of the database from entering the database with the query analyzer and viewing the password. MD5 is not used. MD5 cannot be decrypted. /// /// Encryption/// /// /// Public static string desencryptmethod (string RS){Byte [] bytes ey = new byte [] {0x16, 0x09, 0x14, 0x15, 0x07, 0x01, 0x05, 0x08 };Byte [

();Bitmap IMG = new Bitmap (mstream );Picturebox1.image = IMG; /* String encryption/Decryption */String S = des. md5encrypt ("fdsa hello, World Expo", key );String SSS = des. md5decrypt (S, key ); } ============================== Or ============================== Class des2{/// /// DES encryption method/// /// /// /// /// Public static string desencrypt (string strplain, string strpolicey, string strdesiv){Byte [] bytes0000ey = asciiencoding. ASCII. getbytes (strpolicey. substring (0, 8 )); By

/*** DES algorithm key*/Private Static final byte [] des_key = {66,127, 56, 33,-32,-55,-128,-65 }; /*** Data Encryption, algorithm (DES)** @ Param data* Data to be encrypted* @ Return encrypted data*/Public static string encryptbaseddes (string data ){String encrypteddata = NULL;Try {// The DES algorithm requires a trusted random number SourceSecurerandom sr = new securerandom ();Deskeyspec export ey = new deskeyspec (des_key );// Create a key factory

I used extensive search, and I have been searching questions for a few days. Then I found my feelings. This question has not changed much, but it has become three-dimensional. # Include # Include Using namespace STD;# Define size 15Int N;Char map [size] [size] [size];Bool visit [size] [size] [size];Int Sx, Sy, SZ;Int ex, ey, EZ;Int dir [6] [3] = {0,-1}, {, 1}, {0,-}, {, 0, 0 },{, 0 }};Struct Node{Int x, y, z;Int step;} First, next;Bool check (int z,

, $ ed, $ clr ){ DrawSector ($ img, $ ox, $ oy, $ a, $ B, $ sd, $ ed, $ clr ); If ($ sd List ($ red, $ green, $ blue) = drawDarkColor ($ img, $ clr ); // Assign color to the image $ Clr = imagecolorallocate ($ img, $ red, $ green, $ blue ); If ($ ed> 180) $ Ed = 180; List ($ sx, $ sy) = getExy ($ a, $ B, $ sd ); $ Sx + = $ ox; $ Sy + = $ oy; List ($ ex, $ ey) = getExy ($ a, $ B, $ ed ); $ Ex + = $ ox; $ Ey

, $b, $d); Imageline ($img, $x 0+ $ox, $y 0+ $oy, $ox, $oy, $CLR); for ($i =0; $i { $d = ($d +angle_step) > $ed $ed:($d +angle_step); List ($x, $y) = Draw_getexy ($a, $b, $d); Imageline ($img, $x 0+ $ox, $y 0+ $oy, $x + $ox, $y + $oy, $CLR); $x 0 = $x; $y 0 = $y; } Imageline ($img, $x 0+ $ox, $y 0+ $oy, $ox, $oy, $CLR); List ($x, $y) = Draw_getexy ($a/2, $b/2, ($d + $sd)/2); Imagefill ($img, $x + $ox, $y + $oy, $CLR); } function Draw_sector3d ($img, $ox, $oy, $a, $b, $v, $SD, $ed, $clr)//3d fan

(minId =-1)Return (path_t *) 0; /* Use the semaphore in the nearest distance */P-> direct = d_spend [minId];/* Leave a footprint at the old location before moving to the new location */Maze [pY] [pX] = (byte_t) PATH_FOOTPRINT; /* Create a new path node */Pnode = (path_t *) malloc (sizeof (path_t ));Assert (pnode ); /* Calculate the coordinates of the next position */PX + = move [minId] [0];PY + = move [minId] [1]; Pnode-> pos = create_pos (pX, pY );Pnode-> prev = p;Pnode-> next = (path_t *) 0;

StreamWriter (networkStream );If (textBox1.Text! = ""){ListBox1.Items. Add ("feedback to the client:" + textBox1.Text );// Write a line of string to the current data streamStreamWriter. WriteLine (textBox1.Text );// Refresh the data in the current data streamStreamWriter. Flush ();}}}}Catch (Exception ey){MessageBox. Show (ey. ToString ());} (3) Don't forget to close the stream, stop listening to the netwo

. readtoend ();} 4. MD5 (32-bit encryption) srxljl Public String getmd5 (string S, string _ input_charset){ /// /// ASP-compatible MD5 Encryption Algorithm/// MD5 MD5 = new md5cryptoserviceprovider ();Byte [] T = md5.computehash (encoding. getencoding (_ input_charset). getbytes (s ));Stringbuilder sb = new stringbuilder (32 );For (INT I = 0; I {SB. append (T [I]. tostring ("X"). padleft (2, '0 '));}Return sb. tostring ();} (16-bit encryption) srxljl Public static string getmd5str (string con

, $ a, $ B, $ sd, $ ed, $ clr) // draw a fan { $ N = ceil ($ ed-$ sd)/ANGLE_STEP ); $ D = $ sd; List ($ x0, $ y0) = draw_getexy ($ a, $ B, $ d ); Imageline ($ img, $ x0 + $ ox, $ y0 + $ oy, $ ox, $ oy, $ clr ); For ($ I = 0; $ I { $ D = ($ d + ANGLE_STEP)> $ ed? $ Ed :( $ d + ANGLE_STEP ); List ($ x, $ y) = draw_getexy ($ a, $ B, $ d ); Imageline ($ img, $ x0 + $ ox, $ y0 + $ oy, $ x + $ ox, $ y + $ oy, $ clr ); $ X0 = $ x; $ Y0 = $ y; } Imageline ($ img, $ x0 + $ ox, $ y0 + $ oy, $ ox, $ oy, $

alert log is as follows: Nov 14 12:33:12 2014 Errors in file d: \ oracle \ diag \ rdbms \ orcl \ trace \ orcl_m0000001704.trc (incident = 60577): ORA-00700: soft internal error, arguments: [dbgrfrbf_1], [d: \ oracle \ diag \ rdbms \ orcl \ metadata \ INC_METER_INFO.ams], [16], [1], [], [], [], [], [], [], [], [], [] ORA-48102: encountered the end-of-file when reading the fileOSD-04026: the passed parameter is invalid. O/S-Error: (OS 17) the system cannot move files to different disk drives ....

) $ ed = 180; List ($ sx, $ sy) = draw_getexy ($ a, $ B, $ sd ); $ Sx + = $ ox; $ Sy + = $ oy; List ($ ex, $ ey) = draw_getexy ($ a, $ B, $ ed ); $ Ex + = $ ox; $ Ey + = $ oy; Imageline ($ img, $ sx, $ sy, $ sx, $ sy + $ v, $ clr ); Imageline ($ img, $ ex, $ ey, $ ex, $ ey + $ v, $ clr ); Draw_arc ($ img, $ ox, $ oy +

Three or four yuan to Euler angle conversionAs a result of arctan and arcsin, this does not cover all orientations (the range of values for the corners has been met), so atan2 is needed instead of arctan.Iv. use in other coordinate systemsIn other coordinate systems, the above formula should be adjusted according to the definition of the axis. As in Direct3D, the x-axis of the Cartesian coordinate system changes to the z-axis, the y-axis to the x-axis, and the z-axis to the y-axis (regardless of

The problem can be abstracted as the shortest path from the starting point to the end point, where the cost of x is 0, and the cost of the pass is the priority queue when 1,BFS.1#include 2#include 3#include 4#include 5 using namespacestd;6 7 Const intN =1001;8 CharMaze[n][n];9 BOOLVisit[n][n];Ten intDx[] = {0,0,1, -1 }; One intDy[] = {1, -1,0,0 }; A intN, M, SX, SY, ex, EY; - - BOOLOkintXinty) the { - returnX >=0 x 0 y Visit[x][y]; - } - + struc

//Brownish red # Define gray 0x8430//GreyHere are some drawing functionsQuick Draw PointQuick Draw Point//x,y: coordinate//color: color void Lcd_fast_drawpoint (U16 x,u16 y,u16 color)Draw LineDraw line//x1,y1: Start coordinate//x2,y2: End coordinate void Lcd_drawline (U16 x1, U16 Y1, U16 x2, U16 Y2)Draw a rectangle and give the two endpoint coordinates on the diagonal of the rectangle.Draw rectangle void Lcd_drawrectangle (U16 x1, U16 Y1, U16 x2, U16 Y2)Draw a CircleDraws a specified size cir

Test instructions: give you a map, ' + ' stands for Crossroads, '-' | ' denotes the street, '. ' Represents the building, ' s ', ' E ' start and end points. The shortest path from the starting point to the end point (including the direction and number of intersections along that direction)Analysis: Ans[i][j], starting point to (I,J) the shortest path, BFS find all, and then from the end point back to the shortest path to start.#include #includeSet>#include#include#include#include#include#include

, $ B, $ sd );$ Sx + = $ ox;$ Sy + = $ oy;List ($ ex, $ ey) = draw_getexy ($ a, $ B, $ ed );$ Ex + = $ ox;$ Ey + = $ oy;Imageline ($ img, $ sx, $ sy, $ sx, $ sy + $ v, $ clr );Imageline ($ img, $ ex, $ ey, $ ex, $ ey + $ v, $ clr );Draw_arc ($ img, $ ox, $ oy + $ v, $ a, $ B, $ sd, $ ed, $ clr );List ($ sx, $ sy) = dra