string-padleft

Algorithm Explained: Sum two big integers the hard way

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Problem statement: Sum two big integers that are passed in as strings. Return the sum as a string. In other words, implement the following method: Constraint: Don’t use the built-in BigInteger class (note: this is the name in C# and may have a different name in other languages). Do it the hard way instead. If … Read more

CA1806: Do not ignore method results

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The CA1806 warning is triggered whenever you call a method and ignore the return value. I’ll show examples of a few of the scenarios where you might run into this. CA1806 – When you call a string method and don’t use the new string Strings are immutable. Once you create a string, you can’t change … Read more