I want to add first two columns of excel file into hashtable.. I wrote following code but it is giving me eror saying indexing not allowed in datacolumn... [CODE] Hashtable ExcelSheets = new Hashtable(); System.Data.DataColumn dc; ...

Hello all. I have a c++ question. I have this project in my mind. its like mpq file format. In other words i want to make a files packager where i can store several files in a single file. The problem i'm facing is making a hash key from th ...

I have a .dll that I want to generate a hash from, both at a class level and a global hash that represents the entire assembly. So the idea is that I will know if the assembly has changed, and I can then also figure out if a given class ...

Say I have a folder: [code] d:\ftp\ [/code] I want to figure out if any files were added/deleted to the folder. I figured created a SHA1 hash would be a good route to take, since from what I understand it will create a 40 character ...