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Python implementation crawler encounters coding problems:Error:unicodeencodeerror: ' GBK ' codec can ' t encode character ' \xxx ' in position XXWORKAROUND: Change the standard output fromUrllibImportRequestimport Ioimport syssys.stdout = io. Textiowrapper (sys.stdout.buffer,encoding= ' gb18030 ') #改变标准输出的默认编码Req=request. Request ('http://www.baidu.com') Req.add_header ('user-agent','mozilla/5.0 (Windows NT 6.3; WOW64) applewebkit/537.36 (khtml, like
The following error occurred when writing to a file using Python recently:But content is Unicode encoding, do not know how and GBK pull on the relationship, the content using encode () and Decode (), with gbk,utf-8,gb2312 all kinds of coding decoding have no effect;Find information on the Internet, see an article about this saying: http://blog.csdn.net/xiaoyi_zhang/article/details/51675099The conclusion is:1. ' GBK ' codec can ' t encode character: De
When Python is installed, the default encoding is ASCII, and when non-ASCII encoding occurs in the program, Python processing often reports such an error unicodedecodeerror: ' ASCII ' codec can ' t decode byte 0x?? In position 1:ordinal No in range, Python does not handle non-ASCII encoding, it is necessary to set its own default encoding python, generally set to UTF8 encoding format.Query system default encoding you can enter the following command in
I (N) represented by n-bit signed integers, with n-bit conversion obtained UE (v) Use unsigned exponential Columbus code Se (v) Using the signed exponential Columbus code Te (v) Use truncated exponential Columbus code Me (v) Using the map exponent Columbus Code CE (v) Context-Adaptive variable-length encoding (CAVLC) AE (v) Context-Adaptive binary Arithmetic encod
Correct code:Import Urllib.requesturl = "71025372?utm_source=itdadaoutm_medium=referral"; response = Urllib.request.Request ( Url=url,method= "GET"), result = Urllib.request.urlopen (response), HTML = Result.read (). Decode ("UTF8"); f = open ("x.html "," W ", encoding=" UTF8 "); F.write (HTML); F.close (); 1:urllib.request.urlopen (URL). read (); Read content defaults to bytes format2:open (Filename,open,encode); Open FileError message:Unicodeencodeerror: ' GBK '
Java Implementation BASE64 codecChszs, reprint need to indicate. Blog home:Http://blog.csdn.net/chszsBASE64 and other similar coding algorithms are often used to convert binary data into textual data, which is intended to simplify storage or transmission. In more detail, the BASE64 algorithm is primarily used to convert binary data into ASCII string formats. The Java language provides a good implementation of the BASE64 algorithm, the Apache Commons codec
Java Implementation BASE64 codecChszs, reprint need to indicate. Blog home:Http://blog.csdn.net/chszsBASE64 and other similar coding algorithms are often used to convert binary data into textual data, which is intended to simplify storage or transmission. In more detail, the BASE64 algorithm is primarily used to convert binary data into ASCII string formats. The Java language provides a good implementation of the BASE64 algorithm, the Apache Commons codec
Syntaxerror:non-ascii character ' \xe6 ' in file This problem occurs because Chinese appears in the code, and the workaround is to add it at the top of the code: #coding: Utf-8Unicodeencodeerror: ' ASCII ' codec can ' t encode characters in position 0-7: Ordinal not in range (128) The problem is that when writing Chinese in the program, the solution The method for adding at the beginning:Import sysreload (SYS) sys.setdefaultencoding ("Utf-8") is OK.Py
Java Implementation BASE64 codecChszs, reprint need to indicate. Blog home:Http://blog.csdn.net/chszsBASE64 and other similar coding algorithms are often used to convert binary data into textual data, which is intended to simplify storage or transmission. In more detail, the BASE64 algorithm is primarily used to convert binary data into ASCII string formats. The Java language provides a good implementation of the BASE64 algorithm, the Apache Commons codec
This problem is very strange, the server executes a write database Python file, normal execution, but the use of Java SSH to invoke the script, the discovery is not to execute the database write, and then use the way of try except, printed the error message, found the errors:' ASCII ' codec can ' t encode characters in position 0-15:ordinal not in range (128)Solution:Add the following 3 words to the Python fileImport sysreload (SYS) sys.setdefaultenco
The python version of my linux server is 2.*, which appears unicodedecodeerror when Chinese encode (UTF-8): ' ASCII ' codec can ' t decode byte 0xe6 in position 0: Ordinal the problem of not in range (128). And there is no problem in 3.*.Workaround: Join in front of the codeImport sysreload (SYS) sys.setdefaultencoding (' UTF8 ')Python 2.x, the character encoding aspect, the design is not good. The string contains two----->STR strings (the encoding ty
Python back-end write download file, this time there was this errorlatin-1 codec cant encode characters in position 42-48:ordinal not in range256What to do:Check cause: Found file name has Chinese name, so cause error, encoding is LATIN-1 encoding, so we need to decode into Unicode encoded into latin-1Look at the code first:This code involves a Python transcoding problem, be sure to note Filepathname = Self.get_argument ("filepathname"#
Base64 Basic Algorithm principle String instance (Base64 codec for S13)Test: S13Code: CzezDecoding: S13 How to encode the process analysis of S13 for Czez: BASE64 requires converting every three 8Bit bytes to four 6Bit bytes (3*8 = 4*6 = 24), and then adding 6Bit two-bit high 0 to form four 8Bit bytes, that is, the converted string is theoretically going to be 1/3 longer than the original.The process of 3*8 to 4*6 between S13 binary systems115 49 510
First to say why I have this problem, because after learning reptiles want to take watercress film Top250 practice practicing, this is a reference link (http://blog.csdn.net/fighting_no1/article/details/50926008), The blog's code almost all of the content of watercress film, so I first save the code to run the local, the result is that the Excel file is not, toss a day to know is the resolution of the page nbsp this special character in the transfer code can not be correctly encoded, Unicodeenco
Error condition: unicodeencodeerror: ' GBK ' codec can ' t encode character U ' \ufeff ' in position 0:illegal multibyte Reason: Because the local system is Win7 in the cmd, the default GBK encoding, it is necessary to first encode the Unicode text string first as GBK, and then display in cmd, and then because the text string contains some GBK characters can not be displayed, resulting in the prompt "' GBK ' Code
Before we developed a very simple RPC message format, but also left two problems, the last one to solve the missing one, but also left a we have not implemented the corresponding encode and decode methods, not based on the transmission of strings across devices, but direct memory variable delivery. the request command with parameters is not supported by RPC request now. such as Add (A, b), how to describe parameter A,b in RPC messages. Let's get rid of the c
x264 FFmpeg Codec Demo:https://github.com/wangzuxing/myffmpegh264h265yuvopengl H. Encoding:The Java-side camera preview data is MEDIACODEC encoded, sent to the JNI end, JNI calls x264 library/FFMPEG encoded, generated. 264 files Decoding of H:Java side of the camera preview data is MEDIACODEC encoded, sent to JNI end, JNI call ffmpeg for real-time decoding, decoding YUV data directly sent to Java for refresh display (open GL YUV rendering) Java side:M
" H.264/AVC Video Codec technology detailed" video tutorial has been in the "CSDN College" on-line, the video details of the background, standard protocol and implementation, and through a practical project in the form of the standard of the resolution and realization of H. A, welcome to watch. "The paper came to the end of the light, I know this matter to preach", only by themselves in accordance with the standard document in the form of code to op
/python2.7/json/ encoder.py ", line 332, in _iterencode_list for chunk in Chunks:file"/usr/local/sae/python/lib/python2.7/json/ encoder.py ", line 390, in _iterencode_dict yield _encoder (value) unicodedecodeerror: ' UTF8 ' codec can ' t decode byte 0xb7 I N Position 4:invalid Start byte Probably meaning is jsonify when UTF8 decoder can not decode 0xb7, I coding knowledge is weak, but probably can guess is Chinese problem. Then check the MySQL data
BOOL Decodeurl (char *src, char *url, int maxlen) {if (NULL = = URL | | NULL = = SRC) {return false; } if (MaxLen = = 0) {return false; } char *p = SRC; Used to loop int i = 0; I used to control the URL array/* Temporarily save URL encoded data such as:%1A%2B%3C */char t = ' + '; while (*p! = ' \ ' maxlen--) {if (*p = = 0x25)//0x25 = '% ' { /* The following are the usual uppercase letters, lowercase letters, numbers in hexadecimal
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