File "<stdin>", line 1, in <module> ValueError: binary mode doesn't take an encoding argument 原因分析:rb+操作时不支持指定encoding参数 解决办法: 去掉encoding,改成 with open('course_info','rb+') as f:
class subprocess.Popen(args, bufsize=-1, executable=None, stdin=None, stdout=None, stderr=None, preexec_fn=None, close_fds=True, shell=False, cwd=None, env=None, universal_newlines=False, startupinfo=None, creationflags=0, restore_signals=True, start_...
where it matters, also put stdin, stdout and stderr in binary mode. Note that there is internal buffer- ing in xreadlines(), readlines() and file-object iterators ("for line in sys.stdin") which is not influenced by this option. To work around this, you will want to use "sys.stdin...
fileinput.hook_encoded(encoding,errors=None)使用gzip和bz2模块透明地打开 gzip 和 bzip2 压缩的文件 fileinput.hook_compressed(filename,mode)使用给定的 encoding 和 errors 来读取文件。 从标准输入中读取 若input()不传任何参数时,fileinput默认会以stdin作为输入源。 运行stdinput.py后,在编译器中输入内容,程...
Force stdin, stdout and stderr to be totally unbuffered. On systems where it matters, also put stdin, stdout and stderr in binary mode. Note that there is internal buffering in xreadlines(), readlines() and file-object iterators (for line in sys.stdin”) which is not ...
低于3 的 Python 版本中将二进制串也认为是常规字符串,而二进制串和字符串绑定到 SQL 类型为 BINARY 参数时,DM 数据库服务器内部处理不一样,因此,对于将二进制串直接绑定到 SQL 类型为 BINARY 参数的需求将无法满足,如将 BLOB 对象中读取的二进制串的绑定插入等。可以通过使用本函数,在低于 3 的 Python 版本...
1) Just disable protected mode sending the command 'CONFIG SET protected-mode no' from the loopback interface by connecting to Redis from the same host the server is running, however MAKE SURE Redis is not publicly accessible from internet if you do so. Use CONFIG REWRITE to make this chang...
Do not open text files in binary mode unless you need to analyze the file contents to determine the encoding—even then, you should be using Chardet instead of reinventing the wheel (see “How to Discover the Encoding of a Byte Sequence”). Ordinary code should only use binary mode to ope...
Reading a file in “binary” mode? You’ll get a stream of bytes. Fetching a web page? Calling a web API? They return a stream of bytes, too. You need to understand your program. Thoroughly. Preferably because you wrote it, but at the very least, you need to be comfortable with ...
-u Force the binary I/O layers of stdout and stderr to be unbuffered. stdin is always buffered. The text I/O layer will still be line-buffered. -v Print a message each time a module is initialized, showing the place (filename or built-in module) from which it is loaded. When give...