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How do I spool to a CSV formatted file using SQLPLUS?
...s on your headings.
set linesize X -- X should be the sum of the column widths
set numw X -- X should be the length you want for numbers (avoid scientific notation on IDs)
spool myfile.csv
select table_name, tablespace_name
from all_tables
where owner = 'SYS'
and tablespace_name is ...
How to use chrome web inspector to view hover code
... right click it.
Alternatively, you can use Event Listener Breakpoints sidebar pane in the Scripts panel and select to pause in mouseover handlers.
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Calculating width from percent to pixel then minus by pixel in LESS CSS
I will calculate width in some element from percent to pixel so I will minus -10px via using LESS and calc() . It´s possible?
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How can I expose more than 1 port with Docker?
...ost_port>:<container_port>
To expose multiple ports, simply provide multiple -p arguments:
docker run -p <host_port1>:<container_port1> -p <host_port2>:<container_port2>
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...-u root password [newpassword]
In most cases you should also set up individual user accounts before working extensively with the DB as well.
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Compare integer in bash, unary operator expected
...new error like integer expression expected if the variable is numeric; providing a non-numeric variable value, whether quoted or not, will result in said error.
– vladr
Dec 17 '16 at 6:24
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What is the difference between an ORM and an ODM?
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You can have hybrid ORM/ODM frameworks, like mORMot for Delphi, Doctrine for PHP or Hibernate OGM for Java. And some SQL databases have strong support to documents, e.g. the great PostgresSQL which features JSON or JSONB data types so you can...
How to change value of process.env.PORT in node.js?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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java: HashMap not working
... doesn't seem to work but HashMap<String, Integer> does work.
Any ideas why?
5 Answers
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What is the difference between isinstance('aaa', basestring) and isinstance('aaa', str)?
...and "unicode strings". Plain strings (str) cannot represent characters outside of the Latin alphabet (ignoring details of code pages for simplicity). Unicode strings (unicode) can represent characters from any alphabet including some fictional ones like Klingon.
So why have two kinds of strings, wo...