Programmer Group

Recently, when making weekly reports, we need to extract the data from the csv text and make tables to produce charts. When acquiring csv text content, it is basically used with open(filename, encoding ='UTF-8') as f: to open csv text, but in the actual use process, it is found that some csv text is not UTF-8 format, resulting in errors in the ...

SQL Prompt is a useful SQL syntax prompt tool.It automatically retrieves object names, syntax, and code snippets based on the database, providing users with appropriate code choices.Automatic script settings make the code easy to read - especially if the developer is not familiar with scripts.The SQL Prompt installation is ready to use and can ...

Preface Earlier we talked about RadioButton and RadioGroup, which use the properties of the radio button group to achieve the effect of Tab switching at the bottom of WeChat.To keep in mind, today we're going to talk about the second similar control, CheckBox, whose class inheritance relationship, as is customary, is as follows: public class Ch ...

Brief introduction of customer service news When user and public number interact with specific actions (see below for a list of specific actions), Wechat will push message data to the developer, who can call the customer service interface for a period of time (currently revised to 48 hours) and send messages to ordinary users through a JSON pa ...

Android UI design can be said to be a key factor in determining the quality of an app, because when people use an app, the first thing they see is the app interface. A beautiful and full interface can bring users a very good experience and leave a good impression in the user's mind. For UI design, Android native controls plus some open source l ...

In the previous case, we used some controls of the system to generate our custom controls by combining. The implementation of the custom controls can also be accomplished by inheriting View from the custom class. Beginning with this blog, we inherited View through a custom class to implement some of our custom controls. We learn through a case, ...

day08 [String class, static keyword, Array class, Math class] Today's Content String class static keyword Array class Math class target Ability to create string objects using String class constructors Ability to specify the cons ...

1. Data acquisition The origin of this thing is that on a sunny afternoon... Habitual opening knows you're ready to go down and see a question just invite an answer. So it sprouted up to collect information about Python job recruitment on a recrui ...

Catalog error handling try Document Reading and Writing read file Writing Documents PyMysql Query operation Insert operation update operation Delete operation Following "Python Learning Road Five": error handling   In the ...

Links to the original text: https://www.cnblogs.com/injet/p/9191993.html In the last article, we connected our program to the Wechat Public Number and returned the text and picture files sent by users as they are. Today, we analyze the user' ...