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What does the “|” (single pipe) do in JavaScript?
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Difference between Fact table and Dimension table?
...e 2 types of tables are created for different reasons. However, from a database design perspective, a dimension table could have a parent table as the case with the fact table which always has a dimension table (or more) as a parent. Also, fact tables may be aggregated, whereas Dimension tables are ...
Internal typedefs in C++ - good style or bad style?
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Typedefs are the ones what policy based design and traits built upon in C++, so The power of Generic Programming in C++ stems from typedefs themselves.
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Which access modifiers are implied when not specified?
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MySQL, better to insert NULL or empty string?
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One thing to consider, if you ever plan on switching databases, is that Oracle does not support empty strings. They are converted to NULL automatically and you can't query for them using clauses like WHERE somefield = '' .
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What is the Oracle equivalent of SQL Server's IsNull() function?
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GROUP_CONCAT ORDER BY
...MySQL only function, however a similar result can be achieved on other database with a surrogate function ...
– aleroot
Apr 30 '15 at 20:41
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How to write multiple line property value using PropertiesConfiguration?
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How many characters can UTF-8 encode?
... always uses 2 bytes, but UTF-8 uses one byte per character for most latin-based language characters. Making it twice as compact.
– sanderd17
Mar 25 '19 at 8:17
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must appear in the GROUP BY clause or be used in an aggregate function
...s, ordered by avg, and returns the first element (arrays in postgres are 1-based).
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