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Articole: 3
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You write this loop a hundred times a week and never think about it: for (int i = 0; i < nums.size(); i++) { } It compiles.
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If you've worked with databases for more than a week, you've probably hit this moment: a text field has no data, and you have to decide: do I leave it NULL, or do I set it to an empty string ''?
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When you're working with data, one thing is guaranteed: data changes.