This article shows you how to read password-protected Microsoft Excel documents using Apache POI in java. Microsoft Excel documents generally come in two different formats Excel 97(-2003) and Excel(2007+). ie XLS and XLSX formats. Reading protected documents is format-dependent and needs to be implemented per format differently. But using WorkbookFactory class, we would write a generic …
This article shows you how to create a password-protected Microsoft Excel file using Apache POI. Microsoft Excel documents generally come in two different formats Excel 97(-2003) and Excel(2007+). ie XLS and XLSX formats. How to password protect an excel file? Encryption is format-dependent and needs to be implemented per format differently. Password protect XLS file …
The Excel spreadsheet is the very popular file format created by Microsoft. Apache POI is a pure java library developed for reading and writing Microsoft files(eg. Excel spreadsheet, Word, PowerPoint, etc.). In this article, you will see how to read Excel files using the Apache POI library. Apache POI Setup in Eclipse IDE There are …
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In this article, you will learn how to write Excel(XLS & XLSX) files in java using the Apache POI library. If you are new to the Apache POI library then we recommend you to learn the basics of Apache POI. If you know the fundamentals of Apache POI already then directly move to follow this …
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In this article, you will see how to preview or display an image before uploading it to the Server. Previewing the image is the best user experience. The users could be able to see which image they are going to upload. Here we are going to use HTML, CSS, and jQuery to develop it. Let’s …
In this article, you will see how to preview an image before uploading it to the Server. Previewing the image is the best user experience. The users could be able to see which image they are going to upload. Here we are going to use HTML, CSS, and Javascript to develop it. Let’s see how …
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In this article on File upload validations, you will see how to validate the File Type/Extension and File Size before uploading it to the server. In the web application, from the security point of view file validation is the most important parameter that needs to be considered by each developer especially when doing the file …
In the web application, from the security point of view file upload validations are the most important parameter that needs to be considered by each developer especially when doing the file upload. The validations can be either client-side or server-side or maybe both. This article shows you how could you validate the File Type (Extension) …
Uploading files is a common feature in modern web applications. Traditionally, file inputs have been implemented using the standard HTML <input type=”file”> element. In this article, you will see how to create a standard drag & drop file uploader user interface(UI) in javascript. Drag and drop upload makes it much easier for the user to …
In this article of most common CSS properties Part-2, you will see the commonly used properties such as Text, Fonts, Overflow, Align, and Display. CSS Text In CSS, the text properties are used to manipulate the text of an HTML element. Followings are few most common CSS text properties: color text-align text-decoration text-transform text-shadow Text …