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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?

... the best choice as time goes on. It seems to be more actively updated and documented as well. Also, as noted by @АртёмЦарионов below, EPPlus has support for Pivot Tables and ExcelLibrary may have some support (Pivot table issue in ExcelLibrary) Here are a couple links for quick refer...
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Replace multiple characters in one replace call

Very simple little question, but I don't quite understand how to do it. 14 Answers 14...
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How do I raise a Response Forbidden in django

I'd like to do the following: 4 Answers 4 ...
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How do I use itertools.groupby()?

... actually use Python's itertools.groupby() function. What I'm trying to do is this: 13 Answers ...
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Why do results vary based on curly brace placement?

Why do the code snippets below, taken from this article , produce different results due to only a single change in the placement of curly braces? ...
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What is the correct way to create a single-instance WPF application?

Using C# and WPF under .NET (rather than Windows Forms or console), what is the correct way to create an application that can only be run as a single instance? ...
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Why use Abstract Base Classes in Python?

...There is a contract between a class and its callers. The class promises to do certain things and have certain properties. There are different levels to the contract. At a very low level, the contract might include the name of a method or its number of parameters. In a staticly-typed language, that c...
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Properties vs Methods

Quick question: When do you decide to use properties (in C#) and when do you decide to use methods? 16 Answers ...
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jQuery AJAX submit form

...e()) $.post('server.php', $('#theForm').serialize()) AJAX serialization documentation is here. share | improve this answer | follow | ...
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How do I count unique values inside a list

...epresent this as a dict like count_dict = {'a': 2, 'b': 1, 'c': 1} you can do count_dict = dict(Counter(words).items()) – Peter Aug 4 at 19:32 ...