PCMag

Want to Master Excel? These 52 Hacks Will Turn You Into a Spreadsheet Wizard

As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ever imagined. These are the tips and tricks you need to know.
learn

Analyze document API response

Content elements are the basic text elements extracted from the document. Layout elements group content elements into structural units. Style elements describe the font and language of content ...
Hacker

The Top Java Excel API Libraries

The ideal Java Excel API library for Java applications has all the features you need to perform Excel operations as if you’re using the real thing. They are designed to allow developers to accomplish ...
blog.csdn

POI excel 添加水印 xls，xlsx

找了很多poi加水印的文章，大多不太好用，在前人的基础上做了两点优化，一是图片格式调整为jpg，占用空间小，二是添加水印完成后删除水印图片，整理了一版分享一下。 import java.awt.*; import ...
habr

Telegram-бот на вебхуках — Java+Spring, Redis, клавиатуры и деплой на Heroku — снова для самых маленьких

Если вы ни разу не писали Telegram-ботов на Java с использованием вебхуков и только начинаете разбираться — эта статья для вас. В ней подробно и с ...
blog.csdn

Java使用poi读取excel数据转换成csv再读取，通过数据库配置信息导入导出数据

本内容遵循CC 4.0 BY-SA版权协议 本文介绍了一种高效处理大数据Excel文件的方法，利用Apache POI库解析XLSX格式文件并将其转换为CSV，同时详细展示了如何配置Maven依赖、实现XLSX到CSV的转换。此外 ...
Android Authority

How to use SQLite for Android app development

Sometimes, you need to store more complex data in your app than just simple key/value pairs saved with a text file or Shared Preferences. Databases are ideal for storing complex data structures and ...