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PHP intercept Chinese string-ord () function 0xa0 ...

In ASCII, 0xa0 represents the beginning of a Chinese character where a function in PHP, the Ord () function, returns the Askii code value of a character, such as Ord (' A ') = 65;function gbsubstr ($string, $start, $length) { if(strlen ($string) >$length) { $str=null; $len=$start+$length; for($i=$start; $i$len; $i+ +) { if(Ord (substr ($string,$i,1)) >0xa0) { the//ord () function

Hands-on implementation of code virtual machines

increases the difficulty of reverse analysis.0x03 what needs to be implemented? After understanding the principles of code virtualization, I learned that the principle is to customize a set of bytecode and then use an interpreter to explain how to run the bytecode. Therefore, the objective is divided into two parts: Define bytecode The bytecode is just an identifier that can be defined at will. The following is the defined bytecode. Each instruction identifier corresponds to one byte. /** Opcod

Detailed description of S3C2410 IIC driver

interrupt to determine whether new data is received. After the CPU receives the interrupt request, the interrupt handler reads data from iicds. (4) control byte values: The address of the retrieved device (A0) + operation control command (R/W ): 1) sent by the primary device: 0xa0; received by the primary device: 0xa1 2) 24lc04 contains 512 bytes, which are divided into 256 bytes and 256 bytes. The Byte addresses are

Qualcomm Atheros qca9565/ar9565 Wireless Network Adapter (rev 01)

)*11.0Mbps ( ShortPreamble supported)*6.0Mbps*9.0Mbps*12.0Mbps*18.0Mbps*24.0Mbps*36.0Mbps*48.0Mbps*54.0Mbps Frequencies:*2412MHz [1] (16.0dBm)*2417MHz [2] (16.0dBm)*2422MHz [3] (16.0dBm)*2427MHz [4] (16.0dBm)*2432MHz [5] (16.0dBm)*2437MHz [6] (16.0dBm)*2442MHz [7] (16.0dBm)*2447MHz [8] (16.0dBm)*2452MHz [9] (16.0dBm)*2457MHz [Ten] (16.0dBm)*2462MHz [ One] (16.0dBm)*2467MHz [ A] (16.0dBm)*2472MHz [ -] (16.0dBm) (No IR)*2484MHz [ -] (disabled) supported commands:*New_interface*Set_interface*New_ke

Realtek Semiconductor Corp. Rtl8188cus 802.11n WLAN Adapter

) * Unknown Command ( -) * Unknown Command ( the) * Unknown Command ( the) *Connect*Disconnect supported TX frame types:* IBSS:0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0* Managed:0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0* AP:0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0

12864 show images

/*************************************** *************************************** Function Introduction: The program driver 12864 displays a pair of images. **************************************** **************************************** ****/ Implemented using the modulo Software # Include # Include # Define uchar unsigned char # Define uint unsigned int /* 12864 port definition */ # Define LCD _data P0 // data port Sbit LCD _rs = P3 ^ 5; // register selection Input Sbit LCD _rw = P3 ^ 6; //

ASCII, GB2312, GBK, UTF-8 encoding |0x7f-0xff____ encoding

GB2312: area codes and bit numbers. as I said earlier, a GB2312 character is expressed in two bytes: (High byte, low byte). The first byte is called "High byte", the second byte is called "Low byte" PS: Because high general row left bar ~ so called high byte ... The algorithm is as follows: a GB2312 character = = (0xa0 + area code, 0XA0 + bit number). According to this algorithm, you can take a look at the

Zlg GUI learning experience and gb2312 library Transplantation

. C, there is a function _ gui_puthz that can be used to display Chinese characters. Using this function, I have designed several functions to output the gb2312 font with different widths and heights. Description: // This function can display font data of any height or width. Hz_addr = (uint8 *) hz_font_addr is the word The starting address of the database. Hz_addr = (uint8 *) hz_font_addr + 128 * hz_bytes1 is the starting address of Chinese characters. Important: TMP = (* CHR) * hz_bytes1 and T

Unicode Utf-8 GB18030 gb2312 GBK Various Coding comparisons _ other synthesis

usually used for compatibility with ASCII. The "GB2312" on the browser 's coded table usually refers to the "EUC-CN" notation. Each character and symbol is expressed in two bytes . The first byte is called "High byte", and the second byte is called "Low byte." "High byte" uses 0xa1-0xf7 (the area code of area 01-87 plus 0xa0), "Low byte" uses 0xa1-0xfe (01-94 plus 0xa0). Since the first level of Chinese

PHP various code set character set display detailed

is "low byte". "High byte" uses 0xa1-0xf7 (the area code of area 01-87 plus 0xa0), "Low byte" uses 0xa1-0xfe (01-94 plus 0xa0). 5. Code examples In the GB2312 character set of the first Chinese character "Ah" as an example, its area code 16, bit number 01, the location code is 1601, in most computer programs, high byte and low byte respectively add 0xa0 to ge

How the various coding sets in PHP are used in detail and under what circumstances

byte". "High byte" uses 0xa1-0xf7 (the area code of area 01-87 plus 0xa0), "Low byte" uses 0xa1-0xfe (01-94 plus 0xa0). 5. Code examples In the GB2312 character set of the first Chinese character "Ah" as an example, its area code 16, bit number 01, the location code is 1601, in most computer programs, high byte and low byte respectively add 0xa0 to get the pr

Interrupt and interrupt handling

respectively, and the status registers are located at 0x20 and 0xa0. A specific position in the shielding register will enable a certain interruption, and write 0 to block it. Unfortunately, the interrupt shield register is only written, so you cannot read the value you write. This also means that Linux must save a local copy of the write value of the shielded register. Generally, these stored values are modified in the interrupt enable and shield ro

PHP Chinese character conversion to phonetic head principle

In GB 2312, the received Chinese characters are "partitioned", with 94 characters/symbols per zone.    This representation is also called Location code.    1) Area 01-09 is a special symbol. 2) 16-55 is a first-level Chinese character, sorted by pinyin.     3) 56-87 is a two-level Chinese character, sorted by radical/stroke.    4) 10-15 and 88-94 regions are not encoded. In programs that use GB2312, the EUC storage method is usually used for compatibility with ASCII.    The "GB2312" on the brows

Mysql garbled Problem Ultimate Guide _mysql

, all the places involved in character conversion do not need to be converted, so that no garbled characters are generated. With the above theoretical analysis, we combine a garbled bag case, deepen understanding, some of the problems, please think about it, see if you really understand. Environment: +--------------------------+-----------------------------------------------------+| variable_name | Value |+--------------------------+-----------------------------------------------------+| chara

GB2312 's Detailed introduction _ Related skills

called Location code.Area 01-09 is a special symbol.16-55 is a class of Chinese characters, sorted by pinyin.The 56-87 area is a class two Chinese character, sorted by radical/stroke.10-15 Districts and 88-94 districts are not encoded.For example, the word "ah" is the first Chinese character in the GB2312, and its location code is 1601. BYTE structure In programs that use GB2312, the EUC storage method is usually used for compatibility with ASCII. The "GB2312" on the browser's coded table usu

. NET mobile phone software development (5)--obex Introduction

Cancel the current operation 0x06 to 0x0f Reserved As extended retention 0x10 to 0x1f User definable User-defined * Always set Finalbit Responsecode Responsecode Defined 0x10 (0x90) Continue (continued) 0x20 (0xa0) Ok,success 0x40 (0XC0) Bad Request (service side does not understand request) 0x41 (0xC1) Unauthorized (Unauthorized) 0x43 (0XC3) Fobidden (Forbidden--Server understands request, but refuses) 0x44 (0XC4) Not Found (

Use Tslib to display Chinese characters "turn" on the touch screen

, char *s, unsigned colidx){size_t SL = strlen (s);Put_string_ascii (x – (SL/2) * Ascii_width,Y–FONT_SIZE/2, S, COLIDX);}/*** __display_font_16–display a 16x16 (Chinese) Character on touch screen* @fp: File pointer points to HZK (ie, HZK16)* @x:column* @y:row* @font: Which (Chinese) character to display* @colidx: Color index* This routine only display 16*16 character.* Every character takes-bytes, we show the first 8 bits, then the second 8 bits,* Then the whole world would be shown before us.*/

Implementation of dot matrix font in j2s

,}; Char ti16 [] = {/* The following is the 16-dot-matrix ry font of 'body', 32 bytes */0x10, 0x40, 0x18, 0x40, 0x10, 0x40, 0x20, 0x40,0x37, 0xfc, 0x60, 0xc0, 0xa0, 0xe0, 0x21, 0x60,0x21, 0x50, 0x22, 0x48, 0x24, 0x4e, 0x2b, 0xf4,0x20, 0x40, 0x20, 0x40, 0x20, 0x40, 0x00, 0x00,}; Char zi24 [] = {/* The following is the 24-dot-matrix character model of the 'word', 72 bytes */0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x0

Different lattice pattern codes of "I"

"I" character lattice code Author: Zhang guiquan The following is the bitmap encoding of the word "I. Different encoding mode sizes show different characters. Char wo12s [] = {/* The following is the 12-dot matrix of 'my', 24 bytes */0x0a, 0x80, 0xf2, 0x40, 0x12, 0x00, 0xff, 0xe0,0x40, 0x3a, 0x80, 0xd1, 0x00,0x13, 0x20, 0x1c, 0xa0, 0x70, 0x60, 0 x, 0x00,}; Char wo16s [] = {/* The following is the 'my' 16-dot-matrix ry font, 32 bytes */0 x, 0 x, 0x50,

How the various coding sets in PHP are detailed and under what circumstances to use _php techniques

, two Chinese characters 3,008, and 682 full-width characters including Latin alphabet, Greek alphabet, Japanese hiragana and katakana letters, Russian Cyrillic letters. 4. Technical characteristics (1) The partition means: In GB2312, the collected Chinese characters are "partitioned" and each area contains 94 characters/symbols. This representation is also called Location code. Each area contains the following characters: 01-09 is a special symbol, 16-55 is a first-level Chinese character,

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