一、摘要 使用 xlrd 模块打开带中文的excel文件时，会报错。 FileNotFoundError: [Errno 2] No such file or directory: 'xx.xlsx' 这个时候，就需要检测文件名，是否包含中文，及时return。 二、原理 中文字符的编码范围是： \u4e00 - \u9fff 只要编码在此范围就可判断为中文字符 三、函数 def is_chinese(...
I want a regex in JavaScript for validating decimal numbers. It should allow only up to two decimal places. For example, it should allow 10.89 but not 10.899.
java map 转string_java-将Map <String，Object>转换为Map <String，String>Q：在单元格中有一个数字...
Using a regex in JavaScript After you’ve learned how to create and build a regular expression it’s time to use it. Using a regex differs from language to language, but in JavaScript the three most common functions would be: test ()– checks if a pattern is present in a string, retur...
Imagine you are writing an application and you want to set the rules for when a user chooses their username. We want to allow the username to contain letters, numbers, underscores and hyphens. We also want to limit the number of characters in the username so it does not look ugly. We ...
I'm just looking for a simple VB .NET MVVM sample (WPF) I'm setting the Width of a control, but its ActualWidth is not changing... I'm trying to assign checkbox.IsChecked to a bool ICommand CanExecute() not working ICommand.CanExecute in MVVM Image border Image doesn't change when...
We want to allow the username to contain letters, numbers, underscores and hyphens. We also want to limit the number of characters in the username so it does not look ugly. We can use the following regular expression to validate the username:...
Javascript(JS) is a object-oriented programming language which adhere to ECMA Script Standards. Javascript is required to design the behaviour of the web pages. Key Features Open-source Just-in-time compiled language Embedded along with HTML and makes web pages alive Originally named as LiveScript...
Simple, free and easy to use online tool that tests a string with a regex. No intrusive ads, popups or nonsense, just a string regexp tester. Load a string – do a regex check.
Allow postive and negative decimal numbers only using Javascript allow the user to select the destination folder for file download? allowing a textbox to only enter date alternative to session variable An application error occurred on the server. The current custom error settings for this application...