Category: Tutorials

Types of Programming Languages

Technology has taken the world by storm and a strong part of the credit for advancement in technology goes to the application developers. Web Development, Data Science, Artificial Intelligence, and many more are the highest-paying fields with numerous job opportunities. To get a job in the web development field, you must have expertise in programming languages.

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Trie Data Structure

A trie (Fredkin, 1960), also called digital tree and sometimes radix tree, is an ordered multi-way tree data structure that is used to store a dynamic set or associative array where the keys are usually strings. Unlike a binary search tree, no node in the tree stores the key associated with that node; instead, its position in the tree defines the key with which it is associated.

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How to Read and Write Excel Files using C# and Excel Interop Library

This tutorial shows you how to Read and Write Excel files in C#. We are going to use Microsoft COM Objects i.e. Excel 16 object in our application. Use the following sample C# source codes for Excel reading and writing. There are multiple examples discussed in this tutorial to read Excel files using C# and write data back to Excel file.

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The Typedef and using Keywords in C and C++

The typedef or “type definition” is a keyword in C or C++ Programming language that allows declaring different names for types such as int or char. It specifies that that the declaration is a typedef declaration rather than a variable or function declaration. In C/C++, any valid data type can be aliased so that it can be referred to with a different identifier.

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Difference between char[] and char* in C? Character Array and Pointer

Generally, the following two statements about char[] and char * in C are considered confusing and understanding the difference between them is important. The first statement puts the literal string “mycplus” in read-only memory and copies the string to newly allocated memory on the stack. The second statement is known as static string allocation and definition.

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