transcoding server

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The character string is unicode encoded in Python. Therefore, during encoding and conversion, unicode is usually used as the intermediate encoding, that is, the other encoded strings are decoded into unicode, then, convert the unicode encoding (encode) into another encoding. The function of decode is to convert other encoded strings to unicode encoding, such as str1.decode ('gb2312'), which means to convert the string str1 encoded in gb2312 to unicode encoding. Encode is used to convert unicode

'); $sheet= $objPHPExcel->getsheet (0); $highestRow= $sheet->gethighestrow ();//total number of rows obtained$highestColumn = $sheet->gethighestcolumn ();//total number of columns obtained for($i =1; $i 1; $i + +) {$data [$i] ['a'] = $objPHPExcel->getactivesheet ()->getcell ('A'. $i)GetValue (); $data [$i] ['b'] = $objPHPExcel->getactivesheet ()->getcell ('B'. $i)GetValue (); $data [$i] ['C'] = $objPHPExcel->getactivesheet ()->getcell ('C'. $i)GetValue (); $data [$i] ['D'] = $obj

control the policy of error handling, the default parameter is strict, which represents an exception thrown when an illegal character is encountered;If set to ignore, illegal characters are ignored;If set to replace, it will replace illegal characters;If set to Xmlcharrefreplace, the character reference of the XML is used.Python documentationDecode ([encoding[, errors]])Decodes the string using the codec registered for encoding. Encoding defaults to the default string encoding. Errors May is gi

Questions about transcoding

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PHP uploads video and automatically transcoding to FLV function!

PHP transcoding

transcoding and decoding of URL parametersImport Java.net.URLDecoder; Import = "=abc%12= Urlencoder.encode (strtest, "UTF-8"= Urldecoder.decode ( Strtest, "UTF-8"); System.out.println (strtest);Execution Result:%3f%3dabc%3f%e4%b8%ad%251%262%3c3%2c4%3e=abc?%121. The problem arisesIn restful service design, when querying some information, the general URL address is designed as: Get/basic/service? Keyword= history, and the like URL address. However, in

#include string>#includeusing namespacestd;//UTF8 turn UnicodeWstring utf8_to_wstring (Const stringstr) {Wstring_convertUTF8_CVT; returnutf8_cvt.from_bytes (str);}//Unicode goto UTF8stringWstring_to_utf8 (ConstWstring str) {Wstring_convertUTF8_CVT; returnutf8_cvt.to_bytes (str);}//GBK turn UnicodeWstring gbk_to_wstring (Const stringstr) {Wstring_convertChar, Mbstate_t>> GBK_CVT (NewcodecvtChar, Mbstate_t> ("CHS")); returngbk_cvt.from_bytes (str);}//Unicode goto GBKstringWSTRING_TO_GBK (ConstWstr

For this (class) issue:(1) The problem occurs when the unicodeencodeerror–> description is Unicode encoding;(2) ' GBK ' codec can ' t encode character–> description is an issue that occurs when encoding Unicode characters as GBK;At this point, it is often most likely that the character of the Unicode type itself contains some characters that cannot be converted to GBK encoding.The solution is: Scenario 1: When encoding Unicode characters, add the ignore parameter, ignoring characte

= new Objectmapper (); Mapper.setserializationinclusion (JsonInclude.Include.ALWAYS);//default String JSON = mapper.writevalueasstring ( RESULTVO); SYSTEM.OUT.PRINTLN (JSON); Mapper = new Objectmapper (); Mapper.setserializationinclusion (JsonInclude.Include.NON_NULL); The property is null not serialized JSON = mapper.writevalueasstring (RESULTVO); SYSTEM.OUT.PRINTLN (JSON); }Print as follows:{"code": 0, "msg": " success ", "data":null} {"code

When using PHP json_encode to handle Chinese, Chinese will be encoded, become unreadable, similar to the "\u***" format, if you want Chinese characters do not transcode, here are three ways1. Upgrade PHP, in PHP5.4, the problem is finally resolved, JSON added an option: Json_unescaped_unicode, so the name Incredibles, that is, JSON do not encode UNICODE.1 PHP 2 3 Echo json_encode ("Chinese", json_unescaped_unicode); 4 5 // "Chinese"2. UrlEncode the Chinese characters first and then use the Json_

1. In Python2:#-*-coding:utf-8-*-import Sysprint (sys.getdefaultencoding ()) #获取系统默认编码 #1.utf-8 Turn gbks = "Hello" S_to_unicode = S.D Ecode ("Utf-8") #将utf-8 type Convert to Unicodeprint (s_to_unicode) print (Type (s_to_unicode)) S_TO_GBK = S.decode ("Utf-8"). Enco De ("GBK") #utf-8 to GBK: Decode Utf-8 first into Unicode, encode into Gbkprint (S_TO_GBK) #注: Unicode can print utf-8 encoded characters directly #2.gbk to Utf-8gbk_ To_utf8 = S_to_gbk.decode ("GBK"). Encode ("Utf-8") print (Gbk_to_

In Linux iconv is a command to transcode, when the data file import into the database is often encountered, the character encoding format of the data file and the character encoding format required in the database is inconsistent, then will often use the Iconv this commandIconv Common parameters-F Original Code-T target encoding-C ignores characters that cannot be convertedConvert GBK Format file (test1.txt) to UTF-8 format file (test2.txt)Iconv-c-F gbk-c UTF-8 test.txt > Test2.txtNote: The file

multibyte string, so it can be saved as Char Char* SzU8 =New Char[U8len +1]; //Conversion//the corresponding strlen for the Unicode version is Wcslen:: WideCharToMultiByte (Cp_utf8, NULL, Szunicode, Wcslen (Szunicode), szU8, u8len, NULL, NULL); //finally add 'Szu8[u8len] =' /'; returnszU8;}Char* Unicodetoansi (wchar_t*Szunicode) { //Unicode to ANSI//wchar_t* wszstring = l "abcd1234 you and Me"; //pre-conversion, to get the size of the space required, this time the function with the above

are Unicode, so only encode need not be decode Unicode. If you convert the string to GBK encoding:s = "unicode字符串"s_gbk = s.encode("gbk") If you convert the string to UTF-8 encoding:s_utf8 = s.encode("utf-8") If you convert a string of GBK format to the UTF-8 format, you need to convert the GBK format to Unicode format and then convert the Unicode to the encoding in UTF-8 format:gbk_to_utf8 = s_gbk.decode("gbk").encode("utf-8") It is important to note that encode the subse

C # character Fu Jing ASCII codepublic static int Asc (string character){if (character. Length = = 1){System.Text.ASCIIEncoding asciiencoding = new System.Text.ASCIIEncoding ();int intasciicode = (int) asciiencoding.getbytes (character) [0];return (Intasciicode);}Else{throw new Exception ("character is invalid.");} } ASCII transcoding characters: public static string Chr (int asciicode){if (asciicode >= 0 asciicode {System.Text.ASCIIEncoding ascii

The principle is very simple, because the GB2312/GBK is Chinese two bytes, these two bytes is a range of values, and utf-8 Chinese characters are three bytes, also have a range of values for each byte. The English language is less than 128, regardless of the encoding, and occupies only one byte (except all corners). If it is a file-form code check, you can also check Utf-8 's BOM information directly. To say, directly on the function, this function is used to check the string and

1, in the computer below we find the Storm audio and video open to enter and then click, click on the bottom left corner of the toolbox effect shown in the following figure; 2, then we open the pop-up menu option to find the "transcoding" button; 3, in the pop-up table chart click Add File button; 4, then we find to prepare the conversion of the video file, the effect shown in the following figure; 5, click on the video