Working with Table of Contents in Word Documents using C++

A Table of Contents (TOC) gives readers a quick overview and navigation of a Word document. This guide shows how to programmatically add, extract, update, or remove a TOC using C++.

How to Extract Images from PDF in Java

While parsing the PDF files, you may need to extract images along with text from the documents. To perform this operation programmatically, this article covers how to extract images from PDF documents in Java. The steps by step guide along with API references and code sample demonstrate the complete image extraction procedure.

Compress and Extract Files with GZip in C#

GZip (.gz) archives compress one or more files using the GNU zip algorithm and are common in UNIX systems. This guide shows how to create GZip archives programmatically in C# and also how to extract GZip files using C#.

Add Watermark to Excel Worksheets in Python

Watermarking is one of the common ways of protecting documents from unauthorized usage. More often, a watermark defines the ownership of the copyrighted content. In accordance with that, this article covers how to perform watermarking in Excel files programmatically. Particularly, you will learn how to add watermark to an Excel worksheet using Python.

Convert PDF to HTML using C++

PDF is a standard document format that is widely used for exchanging documents between individuals and different organizations. Even though it is popular, it may not always be the ideal choice for showing content. For example, on web pages, HTML is the better choice for a more satisfying user experience. If you want to display PDF content on a website, then converting it to HTML may prove to be helpful. In light of this, this article will teach you how to convert PDF documents to HTML format using C++.

Generate Barcode in Node.js Applications

Barcodes visually encode data as graphic symbols. From Code128 and QR to Aztec and PDF417, each serves unique needs. This guide shows how to add barcode generation to your web app, focusing on creating multiple symbologies in Node.js.

Working with Comments in Word Documents using C++

Microsoft Word provides you the ability to add comments to Word documents. Comments can be helpful in cases such as suggesting improvements in documents or sharing thoughts on the text. There might be situations where you need to manage comments programmatically. To that end, this article will teach you how to work with comments in Word documents using C++.

Map Rendering to SVG, JPG, or PNG Image using C#

Map Rendering refers to making visual maps from geospatial data. You can render maps from KML, GeoJSON, GeoTIFF, as well as the Shapefile. You can render maps to different image formats like PNG, SVG, JPG, etc. The following sections explain map rendering in detail.

Connect to SMTP Server using Java

SMTP is the standard protocol for sending email from applications to mail servers. This guide shows how to programmatically connect to an SMTP server with Java, including using SOCKS and HTTP proxies.

Convert Images to Grayscale in C#

In various cases, you may need to convert the color images to grayscale or black and white, such as, in image processing, etc. In this article, you will learn how to convert color images to grayscale using C#. Furthermore, the article will cover grayscaling and binarization of the images explicitly.