slot machine random number generator code

Whether it's a Web application, a WAP, or a mobile app, random numbers have their way. This article is about PHP n non-repeating random number generation code example The code is as follows: The code is as follows: Range is

Using system; Using system. Data; Using system. configuration; Using system. collections; Using system. Web; Using system. Web. Security; Using system. Web. UI; Using system. Web. UI. webcontrols; Using system. Web. UI. webcontrols. webparts; Using system. Web. UI. htmlcontrols; Using system. Data. sqlclient; Public partial class usecontrols_header: system. Web. UI. usercontrol{Protected void page_load (Object sender, eventargs E){If (! Ispostback){// Generate a

/*** Created by Administrator on 2016/11/6.*/ Public classTest2 { Public Static voidMain (string[] args)throwsioexception{String str= "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; STR+=str.tolowercase (); STR+ = "0123456789"; System.out.println (str); Charch = Str.charat (Str.length ()-1); SYSTEM.OUT.PRINTLN (CH); StringBuffer SB=NewStringBuffer (6); for(inti = 0; I ) { CharCH2 = Str.charat (NewRandom (). Nextint (Str.length ())); Sb.append (CH2); } System.out.println (SB); }

usingSystem.Management;//you need to add a system.management reference to your project Public classSoftreg {/// ///get the volume label of the device's hard disk/// /// Public stringGetdiskvolumeserialnumber () {ManagementClass mc=NewManagementClass ("Win32_NetworkAdapterConfiguration"); ManagementObject Disk=NewManagementObject ("win32_logicaldisk.deviceid=\ "c \""); Disk. Get (); returnDisk. GetPropertyValue ("VolumeSerialNumber"). ToString (); }

Problem: analyze the number of lines of space in a CPP file, the number of lines of pure code, the number of lines of pure comments, the number of lines of mixed code and comments, and the total

1. The commonly used numberingDecimal 0~9Octal 0~7Binary 0~1Hex 0~f2. Decimal to each of the binaryMethod: Divide by the base to take the remainder inverse3. 2 binary 8 binary 16 decimalBinary___________________________2^3 2^2 2^1 2^01 0 0 1 X=8+ 1 = 9Octal———————————--------------8^1 8^01 7=1*8 + 7*1 = 15hexadecimal is similar.4. Binary to hexadecimal octalTwo-turn eightThree bit a set of results and togetherTwo-turn 16Four-bit a group of results are merged together5. Integer in-memory storage,

PHP used to generate machine code, to others to calculate the number to use, how to break?The following is the decrypted source code, before the source code is encrypted;This machine code