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Passing a 2D array to a C++ function
... TwoD>
void myFunction(TwoD& myArray){
myArray[x][y] = 5;
etc...
}
// call with
double anArray[10][10];
myFunction(anArray);
It works with any 2D "array-like" datastructure, such as std::vector<std::vector<T>>, or a user defined type to maximize code reuse.
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How to remove old Docker containers
...n this thread):
docker system prune will delete ALL unused data (i.e., in order: containers stopped, volumes without containers and images with no containers).
See PR 26108 and commit 86de7c0, which are introducing a few new commands to help facilitate visualizing how much space the Docker daemon ...
What REST PUT/POST/DELETE calls should return by a convention?
... even a redirect to a status resource that shows the impact of the delete (order total) and contains further links.
– Luke Puplett
Jul 17 '19 at 9:09
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Input and Output binary streams using JERSEY?
...nse object. That way you can easily control mediatype, HTTP response code, etc. Let me know if you want me to post code.
– Hank
Jun 28 '11 at 13:29
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How to execute PHP code from the command line?
...PI. It is likely that several PHP SAPIs use different php.ini files, e.g. /etc/php/cli/php.ini vs /etc/php/cgi/php.ini vs /etc/php/apache/php.ini on a Gentoo box. Find out which ini file is used with php -i | grep ini.
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How do I find the location of Python module sources?
...ever __file__, or trying to walk through sys.path and search for yourself, etc. (unless you need to be backward compatible beyond 2.1).
It's the inspect module—in particular, getfile or getsourcefile.
Unless you want to learn and implement the rules (which are documented, but painful, for CPytho...
What are some good Python ORM solutions? [closed]
...ment. I don't understand the logic. How does "hard to find instructions on ORDER BY DESC in the docs" imply "bad for active record pattern"?
– jpmc26
Jan 10 '14 at 0:27
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What to put in a python module docstring? [closed]
...'ve also seen a few modules that list author names, copyright information, etc. Does anyone have an example of how a good python docstring should be structured?
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MySQL - How to select data by string length
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select * from table order by length(column);
Documentation on the length() function, as well as all the other string functions, is available here.
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How do I find duplicates across multiple columns?
...TION BY s.name, s.city) AS qty
FROM stuff s
) t
WHERE t.qty > 1
ORDER BY t.name, t.city
While most recent RDBMS versions support count(*) over(partition by...) MySQL V 8.0 introduced "window functions", as seen below (in MySQL 8.0)
CREATE TABLE stuff(
id INTEGER NOT NULL
,name ...