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| | | | | Website and personal blog of Pekka Laiho, software engineer and financial enthusiast. | |
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| | | | | Free programming books, algorithms, public APIs, and much more. | |
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| | | Error handling is a fundamental aspect of programming. Unless you are writing hello world, you will need to handle errors in your code. In this post, I will discuss a bit the most common approaches used by various programming languages. Return error codes This is one of the most ancient strategies - if a function can fail, it can simply return an error code - often a negative number, or null. | ||