vlong

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Data Encryption-asymmetric

# Include "RSA. HPP" Class prime_factory { Unsigned NP; Unsigned * pl; Public: Prime_factory (); ~ Prime_factory (); Vlong find_prime (vlong START ); }; // Prime factory implementation Static int is_probable_prime (const vlong P) { // Test Based on fermats Theorem A ** (p-1) = 1 mod p for prime p // For 1000 bit numbers this can take quite a

Provide an IP geolocation query class again

* @return Iplocation */ function __construct ($filename = "QQWry.Dat") { $this->FP = 0; if ($this->FP = @fopen ($filename, ' RB ')!== false) { $this->firstip = $this->getlong (); $this->lastip = $this->getlong (); $this->totalip = ($this->lastip-$this->firstip)/7; Register the destructor so that it executes at the end of the program execution Register_shutdown_function (Array ( $this, ' __construct ')); } } /** * Return

PHP Read Pure IP database Example _php tutorial

Code: ; ; ; ;-GT;FH =(' Qqwry.dat ', ' RB ');->first =-->last =-->total = (->last-->first)/7;Checkip (=('.',(()!=4 (= 0;++([] [] > ' 255 ' =(' Vlong ',(-GT;FH, 4 [' Long '=(' Vlong ',(-GT;FH, 3).(0 [' Long 'GetInfo (= ""=(-GT;FH, 1(()! = 0) {.==(-GT;FH, 1 =(-GT;FH, 1);((0:= '';;1:(-GT;FH,-=->getinfo ();2:(-GT;FH,-=->getinfo ();:=->getinfo ();; IP2ADDR ((!-Checkip ( =(' N ',((= 0=-(=((+)/2);(-GT;FH,->fi

Parse PHP based on IP query area

; } } /** * Returns the long integer number of reads * @access Private * @return int */ Public Function Getlong () { //Converts the Read Little-endian encoded 4 bytes to a long integer $result = Unpack (' Vlong ', fread ($this-GT;FP, 4)); return $result [' Long ']; } /** * Returns the 3-byte long integer read * * @access Private * @return int */ Public Function Getlong3 () { //Converts the Read Little-endian encoded

Parse PHP based on IP query location (very useful, net used) _php tips

integer read * @access Private * @return int */ Public Function Getlong () { Converts 4 bytes of read Little-endian encoded into long integer numbers $result = Unpack (' Vlong ', fread ($this-GT;FP, 4)); return $result [' Long ']; } /** * Returns the 3-byte long integer read * * @access Private * @return int */ Public Function Getlong3 () { Converts 3 bytes of read Little-endian encoded into long integer numbers $result = Unpack ('

IP Attribution to query code

Include ("ipcheck.class.php");$ipinfo =$_post[' Ipinfo '];$iptest =new iplocation ();echo $iptest->getlocation ($ipinfo);?> The ipcheck.class.php code is as follows Class Iplocation {/*** QQWry.Dat file pointer* @var Resource*/var $fp;/*** Offset address of the first IP record** @var int*/var $firstip;/*** Offset address of the last IP record** @var int*/ var $lastip; /*** Total number of IP records (does not contain version information records)** @var int*/ var $totalip; /*** Returns th

Use QQWry. Dat for efficient IP address retrieval

long integers read.* @ Access private* @ Return int*/Function getlong (){// Convert the 4 bytes of the read little-endian encoding to the long integer$ Result = unpack ('vlong', fread ($ this-> fp, 4 ));Return $ result ['long'];}/*** Returns the number of long integers read in three bytes.** @ Access private* @ Return int*/Function getlong3 (){// Convert the three bytes of the read little-endian encoding into a long integer.$ Result = unpack ('

Example of using php to read pure ip database

(){// Read the four bytes of little-endian encoding and convert them into long integer values.$ Result = unpack ('vlong', fread ($ this-> fh, 4 ));Return $ result ['long'];} Function getLong3 (){// Read the three bytes of little-endian encoding and convert them into long integer values.$ Result = unpack ('vlong', fread ($ this-> fh, 3). chr (0 ));Return $ result ['long'];} // Query informationFunction getI

Use RawComparator to accelerate Hadoop programs

interface to sort the Key. When the Writable class is compared, the default method of Hadoop is to first deserialize the serialized object byte stream as an object, and then compare (compareTo method ), the comparison process requires a deserialization step. RawComparatorComparison at the byte stream layer instead of deserializationIn this way, the deserialization process is saved, thus accelerating program running. The IntWritable, LongWritabe, and other classes provided by Hadoop have impleme

Parse php to query the region based on the ip address (very useful, available on the market)

= @ fopen ($ filename, 'rb '))! = False ){$ This-> firstip = $ this-> getlong ();$ This-> lastip = $ this-> getlong ();$ This-> totalip = ($ this-> lastip-$ this-> firstip)/7;}}/*** Returns the number of long integers read.* @ Access private* @ Return int*/Public function getlong (){// Convert the 4 bytes of the read little-endian encoding to the long integer$ Result = unpack ('vlong', fread ($ this-> fp, 4 ));Return $ result ['long'];}/*** Returns t

Parse php to query the region based on the ip address (very useful, available on the market)

();$ This-> lastip = $ this-> getlong ();$ This-> totalip = ($ this-> lastip-$ this-> firstip)/7;}}/*** Returns the number of long integers read.* @ Access private* @ Return int*/Public function getlong (){// Convert the 4 bytes of the read little-endian encoding to the long integer$ Result = unpack ('vlong', fread ($ this-> fp, 4 ));Return $ result ['long'];}/*** Returns the number of long integers read in three bytes.** @ Access private* @ Return i

Solr4.8.0 source code analysis (8) Lucene index file (1)

... Vlong: The rule is the same as that of Vint, and the maximum number of bytes is different. Between 1 and 9 bytes CHAR: A series of bytes encoded by the UTF-8. String: A string is first a Vint that represents the number of characters contained in the string, followed by the Character Sequence chars encoded by the UTF-8. You can view the types in dataoutput. Java and datainput. java. The following uses dataoutput. Java as an exam

Parse php to query the region based on the ip address (very useful, available on the market)

*/Public function getlong (){// Convert the 4 bytes of the read little-endian encoding to the long integer$ Result = unpack ('vlong', fread ($ this-> fp, 4 ));Return $ result ['long'];}/*** Returns the number of long integers read in three bytes.** @ Access private* @ Return int*/Public function getlong3 (){// Convert the three bytes of the read little-endian encoding into a long integer.$ Result = unpack ('vlong

IP address Query

IP address query, IP query, IP location query include ("ipcheck.class.php"); $ipinfo =$_post[' ipinfo '; $iptest =new Iplocation (); Echo $iptest->getlocation ($ipinfo); Okay, now look at the ipcheck.class.php file. /*** @author NET is like the wind* e-mail:rainrenamy@gmail.com* Personal website: http://www.adminfan.com* Demo Address: http;//www.adminfan.com/seo/ip.php*/Class Iplocation {/*** QQWry.Dat file pointer* @var Resource*/var $fp;/*** Offset address of the first IP

PHP read pure IP database using sample _php instance

Copy Code code as follows: /*-------------------------------------------------- ip2address [Qqwry.dat] --------------------------------------------------*/ Class IP {var $fh; IP database file handlevar $first; First Indexvar $last; Last indexvar $total; Total indexes Constructorsfunction __construct () {$this->fh = fopen (' Qqwry.dat ', ' RB '); Qqwry.dat file$this->first = $this->getlong4 ();$this->last = $this->getlong4 ();$this->total = ($this->last-$this->first)/7; 7 bytes per i

Php query the region (pure ip database) by ip address _ PHP Tutorial

Php queries the region (pure ip database) based on the ip address ). Pure ip library download? PhpclassIpLocation {*** @ varresource pointer * private $ fp; *** offset address of the first IP record * @ varint * private $ firstip; * ** download the last IP record from the pure ip library Fp = 0; if ($ this-> fp = @ fopen ($ filename, 'RB '))! = False) {$ this-> firstip = $ this-> getlong (); $ this-> lastip = $ this-> getlong (); $ this-> totalip = ($ this-> lastip-$ this-> firstip)/7 ;}} /*

PHP read Pure IP database using example _php instance

Copy CodeThe code is as follows: /*-------------------------------------------------- ip2address [Qqwry.dat] --------------------------------------------------*/ Class IP {var $fh; IP database file handlevar $first; First Indexvar $last; Last indexvar $total; Total indexes constructor functionfunction __construct () {$this->fh = fopen (' Qqwry.dat ', ' RB '); Qqwry.dat file$this->first = $this->getlong4 ();$this->last = $this->getlong4 ();$this->total = ($this->last-$this->first)/7; 7 bytes pe

Simple example of PHP reading pure IP Database

/*-------------------------------------------------- ip2address [Qqwry.dat] --------------------------------------------------*/ Class IP { var $fh; IP database file handle var $first; First Index var $last; Last index var $total; Total indexes constructor function function __construct () { $this->fh = fopen (' Qqwry.dat ', ' RB '); Qqwry.dat file $this->first = $this->getlong4 (); $this->last = $this->getlong4 (); $this->total = (

Parsing php based on IP query Region _php Tutorial

* @return int */ Public Function Getlong () { Converts the Read Little-endian encoded 4 bytes to a long integer number $result = Unpack (' Vlong ', fread ($this-GT;FP, 4)); return $result [' Long ']; } /** * Returns the number of 3-byte long integers read * * @access Private * @return int */ Public Function Getlong3 () { Converts the Read Little-endian encoded 3 bytes to a long integer number $result = Unpack ('

PHP based on IP query region (pure IP Library) _php tutorial

Pure IP Library Download fp = 0; if ($this-GT;FP = @fopen ($filename, ' RB ')!== false) {$this->firstip = $this->getlong (); $this->lastip = $this->getlong (); $this->totalip = ($this->lastip-$this->firstip)/7; }}/** * Returns the read number of long integers * @access private * @return int */Public Function Getlong () {//Littl to be read E-endian encoded 4 bytes into a long integer $result = unpack (' Vlong ',

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