What does self in class in Python mean?

{Code...} What does this self mean:?

From [Pythondiscussion group] 2017-06-15 09:21:25 0  2  1099

python - github: An input and output program code. I just changed the data in the tsv file. Why can't it be output and a UnicodeDecodeError occurs?

I copied a complete input and output code program that could be run, and then I modified the data of the tsv f...

From [Pythondiscussion group] 2017-06-15 09:21:21 0  3  873

How to create utf-8 files in python?

{Code...} Python 3.6.1 The above code can only create text files in ANSI format. How to create UTF-8 files?

From [Pythondiscussion group] 2017-06-14 10:53:28 0  2  1064

Operation and maintenance automation - How to use externally read file contents to determine the execution order and parameters of python functions?

Now we are making a set of automatic tools for programs on the server, with various operations such as startin...

From [Pythondiscussion group] 2017-06-14 10:53:27 0  1  968

python dict merge

There are two dictionaries a and b. They all have a common id 1. To implement the merging of dicts and select ...

From [Pythondiscussion group] 2017-06-14 10:53:21 0  2  896

python - How to ignore empty values ​​in some content when using scrapy to crawl website content;

When I crawled all mobile phone information on JD.com, I encountered the following problems: 1. Too many retur...

From [Pythondiscussion group] 2017-06-14 10:53:17 0  1  1034

python - How to add time or speed control when traversing a list?

{Code...} {Code...} There is such a weekend function to request some content, but some content will be missing...

From [Pythondiscussion group] 2017-06-14 10:53:10 0  2  732

python - How fast can everyone learn a new language?

Why did I learn it in one day? Is it a little abnormal, so I want to ask?

From [Pythondiscussion group] 2017-06-14 10:52:55 0  1  571

python - sqlalchemy batch inserted data, data columns are not equal

{Code...} If the keys of all dictionaries in the batch insertion data are consistent, the data can be saved. A...

From [Pythondiscussion group] 2017-06-14 10:52:50 0  1  940

python - How to configure the running environment of pysciter?

https://github.com/pravic/pys... Add target platform binaries to PATH (bin, bin.osx or bin.gtk) and install Sc...

From [Pythondiscussion group] 2017-06-14 10:52:47 0  1  923

Chinese problem in python's jinja

{code...} {code...} Error message when running the program: UnicodeDecodeError UnicodeDecodeError: 'ascii' cod...

From [Pythondiscussion group] 2017-06-14 10:52:27 0  1  1014

html - How to create a drop-down list in python by referencing the data in a json document.

I want to create a drop-down list in the input html, and the data of this drop-down list can reference my data...

From [Pythondiscussion group] 2017-06-14 10:52:22 0  1  972

Python novice encountered an unknown error

The code is as follows: {Code...} Execution results: My question, this prompt error: What does inconsistent us...

From [Pythondiscussion group] 2017-06-14 10:52:14 0  1  703

Help python install mysql module error

{Code...} This is the error code, python3.5, win7x64 system. I have tried various methods on the Internet. Has...

From [Pythondiscussion group] 2017-06-14 10:52:08 0  2  684

javascript - windows editor code snippet

Code snippets written on vscode can only be used on vscode; code snippets written on sublime can only be used ...

From [Pythondiscussion group] 2017-06-14 10:51:55 0  1  697