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Tarik Billa

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notimplementedexception

Why does NotImplementedException exist?

March 8, 2023 by Tarik

There is one situation I find it useful: TDD. I write my tests, then I create stubs so the tests compile. Those stubs do nothing but throw new NotImplementedException();. This way the tests will fail by default, no matter what. If I used some dummy return value, it might generate false positives. Now that all … Read more

Categories .net Tags .net, exception, notimplementedexception, notsupportedexception Leave a comment

Java POI : How to read Excel cell value and not the formula computing it?

February 23, 2023 by Tarik

For formula cells, excel stores two things. One is the Formula itself, the other is the “cached” value (the last value that the forumla was evaluated as) If you want to get the last cached value (which may no longer be correct, but as long as Excel saved the file and you haven’t changed it … Read more

Categories java Tags apache-poi, excel, java, notimplementedexception Leave a comment

Tarik Billa

Software Engineer
tarikbilla@gmail.com
+8801884414000
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