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Show hidden div on ng-click within ng-repeat
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
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How to track child process using strace?
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Scala: what is the best way to append an element to an Array?
... @Daniel Yes, I've just have a small memory hole when I wrote the comment and I didn't find the obvious word "sequence"
– Nicolas
Sep 21 '11 at 14:37
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Getting the encoding of a Postgres database
...d to know the default encoding for the database. I want to get it from the command line.
6 Answers
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What is the difference between MySQL Server and MySQL Client
...n interact with using a mysql client. You can use the mysql client to send commands to any mysql server; on a remote computer or your own.
The mysql server is used to persist the data and provide a query interface for it (SQL).
The mysql clients purpose is to allow you to use that query interface.
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Java: Difference between the setPreferredSize() and setSize() methods in components
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Usage depends on whether the component's parent has a layout manager or not.
setSize() -- use when a parent layout manager does not exist;
setPreferredSize() (also its related setMinimumSize and setMaximumSize) -- use when a parent layout manager exists...
R object identification
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I usually start out with some combination of:
typeof(obj)
class(obj)
sapply(obj, class)
sapply(obj, attributes)
attributes(obj)
names(obj)
as appropriate based on what's revealed. For example, try with:
obj <- data.frame(a=1:26, b=letters)
obj <...
How do I get the MIN() of two fields in Postgres?
...of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL values in the list are ignored. The result will be NULL only if all the expressions evaluate to NULL.
Note that GREATEST and LEA...