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How do I remove a MySQL database?
You may notice from my last question that a problem caused some more problems, Reading MySQL manuals in MySQL monitor?
6 A...
Return Boolean Value on SQL Select Statement
How to return a boolean value on SQL Select Statement?
9 Answers
9
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Is there a Pattern Matching Utility like GREP in Windows?
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There is a command-line tool called FINDSTR that comes with all Windows NT-class operating systems (type FINDSTR /? into a Command Prompt window for more information) It doesn't support everything grep does but it might be sufficient for your needs.
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The way to check a HDFS directory's size?
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How to select date without time in SQL
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@Павле refer this article Date and Time styles
– Fox Vĩnh Tâm
Feb 26 at 9:04
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Case objects vs Enumerations in Scala
...guidelines on when to use case classes (or case objects) vs extending Enumeration in Scala?
14 Answers
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c#: getter/setter
I saw something like the following somewhere, and was wondering what it meant. I know they are getters and setters, but want to know why the string Type is defined like this. Thanks for helping me.
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SQL Inner-join with 3 tables?
...ou can do the following (I guessed on table fields,etc)
SELECT s.studentname
, s.studentid
, s.studentdesc
, h.hallname
FROM students s
INNER JOIN hallprefs hp
on s.studentid = hp.studentid
INNER JOIN halls h
on hp.hallid = h.hallid
Based on your request for multiple halls you...
What does “coalgebra” mean in the context of programming?
I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
...existing table. The INSERT ... VALUES and INSERT ... SET forms of the statement insert rows based on explicitly specified values. The INSERT ... SELECT form inserts rows selected from another table or tables.
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