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= s. encode ('utf-8 ')Print (type (B) # Print (B) # B '\ xe8 \ x8b \ x91 \ xe6 \ x98 \ x8a'U = B. decode ('utf-8 ')Print (type (u) # Print (u) # Yuan HaoPrint (json. dumps (u) # "\ u82d1 \ u660a"Print (len ('yuan hao') #2 Iii. encoding of files from disk to memory: For text editors such as word, the text we edit on word exists in memory in the form of data before it is saved? It is unicode data, because it is a universal code, and any character has

me Beijing Tiananmen Square '2 print (msg. encode (encoding = 'utf-8 ')) 3 msg = B '\ xe7 \ x88 \ xb1 \ xe6 \ x88 \ x91 \ xe5 \ x8c \ x97 \ xe4 \ xba \ xac \ xe5 \ xa4 \ xa9 \ xe5 \ xae \ x89 \ xe9 \ x97 \ xa8 '4 print (msg. decode (encoding = 'utf-8 '))View Code 4. Ternary operations 1 a,b,c = 1,3,52 d = a if a > b else c3 print (d)View Code 5. List 1 names = ['zhangyang', 'zhaoyi', 'shaoyun', 'jiachen', 'menglingjun', 'lilin'] 2 print (names [0:

modifications, but one of the 8 bytes CE d2 CA c7 ba Ba d7 D6, for the mainlanders with GBK, with BIG5 of the people of Hong Kong and Macao, as well as with the Latin-1 of Europeans, see is completely different words.Clear Concept 2: As we all know, ' A ' is equivalent to ' \x41 '. GBK encoded under theconst char * str = "I am a kanji"Equivalent toconst char * str = "\xce\xd2\xca\xc7\xba\xba\xd7\xd6";When encoded with UTF-8, it is equivalent toconst char * str = "\xe6\x88\

Python version 3.0 and then execute it using Python 2.6, Python 2.7来.The changes in Python 3.0 are mainly in the following areas:Print functionThe print statement is gone and replaced by the print () function. Python 2.6 and Python 2.7 support this form of print syntax in parts. In Python 2.6 and Python 2.7, the following three forms are equivalent:print "Fish"Print ("Fish") #注意print后面有个空格Print ("Fish") #print () cannot have any other parametersHowever, Python 2.6 has actually supported the new

-sql-sqlexception-incorrect-string-value-xf0-x9f-x91-xbd-xf0-x9fhttp://afei2.sinaapp.com? P = 518 utm_source = tuicool utm_medium = referralhttp: // reset (replacement method) Copy a command alter table foo.foo convert to character set utf8mb4 collate utf8mb4_unicode_ci Then the Java code must declare this: SET NAMES 'utf8mb4' To insert an Emoji. Mysql Configuration [client]default-character-set = utf8mb4[mysqld]character-set-server=utf8mb4collation

decode () method: In [50]: s = "My life is short, I use Python" In [51]: B = s. encode ('utf-8') In [52]: bOut [52]: B '\ xe4 \ xba \ xe7 \ x94 \ x9f \ xe8 \ x8b \ xa6 \ xe7 \ x9f \ xad \ xef \ xbc \ x8c \ xe6 \ x88 \ x91 \ xe7 \ x94 \ xa8Python 'In [53]: c = s. encode ('gb18030') In [54]: cOut [54]: B '\ xc8 \ xcb \ xc9 \ xfa \ xbf \ xe0 \ xb6 \ xcc \ xa3 \ xac \ xce \ xd2 \ xd3 \ xc3python' In [55]: B. decode ('utf-8') Out [55]: 'Life is short, I u

Python coding is a profound knowledge, and I am still bleeding python, so I am currently required to be only in their own crawl Web page to obtain Chinese information without error, only that, for other deeper content with the accumulation of knowledge presumably have a deeper understanding. The following is not my original understanding, but on the internet to read a lot of bloggers have ideas more intuitive expression before they can have a more direct understanding of these codes, thank themT

would be easy to invoke after development and reduce repetitive work. In order to ensure that the code in any case will not be a bug, so you want to use the same code to crawl the Chinese site to get the text insideModify the two lines of code in the above code:Click ( here) to collapse or open URL = ' http://sports.sina.com.cn/g/premierleague/index.shtml ' Print(tree. XPath("//span[@class = ' sec_blk_title ']/text ()")) Running the program can be found in the statement p

docker-1.7.1paramiko-2.1.1 pycharm-license.txtsetuptools-2.0 Video Music client.pyinstall.logpexpect-4.2.1 pycrypto-2.6.1spawn-0.1 Pictures Desktop 0>>>>>>p= Subprocess. Popen (' ls ', shell=true,stdout=subprocess. Pipe,stderr=subprocess. STDOUT) >>>p.stdout.readlines (): [' anaconda-ks.cfg\n ', ' a.py\n ', ' client1.py\n ', ' client.py\n ', ' django-1.2.7\n ', ' docker\n ', "docker-1.7.1\n ', ' install.log\n ', ' install.log.syslog\n ', ' mysite\n ', ' paramiko-2.1.1\n ', ' pexpect-4.2.1\n '

Print(Msg.encode (encoding='Utf-8'))#encode is encoded and encodes the string into binary data (must be transferred at the time of transfer)3 #The output is: B ' \xe6\x88\x91\xe4\xbb\xac\xe7\x9a\x84\xe7\x9b\xae\xe6\xa0\x87\xe6\x98\xaf\xe6\x98\x9f\xe8\xbe\xb0\ Xe5\xa4\xa7\xe6\xb5\xb7 '4 5 Print(Msg.encode (encoding='Utf-8'). Decode (encoding='Utf-8'))#Decode is decoding, decoding binary data into strings, etc.6 #the output is: Our goal is the star of

(Str_endode_decode))class'str'>b'\xe6\x88\x91\xe7\x88\xb1\xe5\x8c \x97\xe4\xba\xac\xe5\xa4\xa9\xe5\xae\x89\xe9\x97\xa8' class' Bytes'>class'str'>Three, List1 #!/usr/bin/env python2 #_*_ coding:utf-8 _*_3 #Author:taoke4names = ["xiaoming","Xiaohong","Xiaohei","Xiaoxiao"]5 6 Print(names)7 Print(names[0],names[2])8 Print(Names[1:3])#Gu Tou regardless of tail, slice9 TenNames.append ("xiaobingbing") One Print(names) ANames.insert (1,"Renma") - Print(nam

STR types are not distinguished in python2.x, and all operation bytes of STR are supported. But in the Python3 bytes and Str are separated.In Python2>>> s = "ABCDEFG">>> B = S.encode () #或者使用下面的方式>>> B = B "ABCDEFG">>> type (b)#str和bytes是严格区分的 in Python3>>> s = "ABCDEFG">>> type (s)>>> B = B "ABCDEFG">>> type (b)STR is a text series, Bytes is a byte seriesText is encoded (utf-8,gbk,gb2312, etc.)BYTE is not encodedText encoding refers to how characters use bytes to represent the organization, wh

"employee.__doc__:", Employee.__doc__print"employee.__name__:", Employee.__name__print"employee.__module__:", Employee.__module__print"employee.__bases__:", Employee.__bases__print"employee.__dict__:", employee.__dict__ executes the above code output as follows: employee.__doc__: base class for all employees employee.__name__: employeeemployee.__module__: __ Main__employee.__bases__: () employee.__dict__: {'__module__':'__main__','Displaycount': 0x10a939c80,'Empcount':0,'Displayemployee':0x10a93

1 #-*-coding:utf-8-*-2 " "3 Created on April 20, 20154 5 @author: Liuxue6 7 " "8 ImportCSV9 ImportSYSTen Reload (SYS) OneSys.setdefaultencoding ('Utf-8') A " " -Valuelist=[[]], double-decker list, each element represents a row of data - " " the - defCsvwrite (filename="", mode="", valuelist=[]): -csvfile=file (filename,mode) -Cstwriter=Csv.writer (csvfile) + forIinchRange (len (valueList)): -temp=[] +temp=Valuelist[i] A Cstwriter.writerow (temp) at csvfile.close () - - defCsvread (fil

In order not to take in too much of a burden, Python 3.0 did not consider downward compatibility when designing. As a result, many programs designed for early Python versions cannot perform properly on Python 3.0. To take care of the existing program, Python 2.6, as a transitional version, basically uses the syntax and library of Python 2.x, taking into account the migration to Python 3.0, allowing the use of some of the syntax and functions of Python 3.0. Print function

# variable encoding format a=' I am Chinese 'print(u'%s'%a)------------------Results:I am the Chinese citation URL# variable encoding format a=' I am Chinese 'print(A.encode ('utf-8' ) ))------------------Results:B ' \xe6\x88\x91\xe6\x98\xaf\xe4\xb8\xad\xe6\x96\x87 'Reference URLsFile path processingA=input (' Please enter path '). Replace ('\ \','/') ). Replace ('\ "',')# replace \ With Windows to solve the path problem, and double quotes to get rid

Python version 3.0 and then execute it using Python 2.6, Python 2.7来.The changes in Python 3.0 are mainly in the following areas:Print functionThe print statement is gone and replaced by the print () function. Python 2.6 and Python 2.7 support this form of print syntax in parts. In Python 2.6 and Python 2.7, the following three forms are equivalent:Print "Fish" print ("Fish")#注意print后面有个空格print("Fish")#print () cannot carry any other parameters However, Python 2.6 has actually supporte

ObjectiveKeep learning attitude, learning a dynamic language is actually a long time to be ready to do things, was still tangled in Python and Ruby. Now not just to learn python, but also to think about what to do with it, these follow-up, because look at the python2.x books. Python 3.7 is used. So let's start by documenting the difference between the two, which is limited to the basics.The difference between python3.x and 2.x 1.printThe print statement is gone and replaced by the print () funct

relationship between 4.Unicode and UTF8:Word: Unicode is a memory-encoded representation scheme (a specification), and UTF is a scheme for how to save and transmit Unicode (implementation), which is also the difference between UTF and Unicode. in python 2.x#author = KIM#-*-coding:utf-8-*- -->申明编码的方式为utf-8import sysprint(sys.getdefaultencoding()) -->python 2.x中默认的编码是asciimsg = "你好"msg_to_gbk = msg.decode("utf-8").encode("gbk")print(msg_to_gbk)执行结果：[[emailprotected] ~]# python encode.py as

wchar_t* U8tounicode (Char*szU8) { //UTF8 to Unicode//because the Chinese direct copy will be garbled, the compiler will sometimes error, so the use of 16 binary form//char* szU8 = "abcd1234\xe4\xbd\xa0\xe6\x88\x91\xe4\xbb\x96\x00"; //pre-conversion to get the size of the required space intWcsLen =:: MultiByteToWideChar (Cp_utf8, NULL, SzU8, strlen (szU8), NULL,0); //allocate space to ' MultiByteToWideChar ' to leave a space, will not give the '