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'POCO' definition
...s? I am encountering the term more and more often, and I'm wondering if it is only about plain classes or it means something more?
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How to compute the sum and average of elements in an array?
...l the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below.
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Multiple Updates in MySQL
I know that you can insert multiple rows at once, is there a way to update multiple rows at once (as in, in one query) in MySQL?
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Create a custom callback in JavaScript
All I need to do is to execute a callback function when my current function execution ends.
10 Answers
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How to change a module variable from another module?
...r in __init__.py and conduct your experiment there by setting bar.a = 1. This way, you will actually be modifying bar.__dict__['a'] which is the 'real' value of a in this context.
It's a little convoluted with three layers but bar.a = 1 changes the value of a in the module called bar that is actual...
Converting array to list in Java
How do I convert an array to a list in Java?
19 Answers
19
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PHP mkdir: Permission denied problem
...ion but I get an error as follows: Warning: mkdir() [function.mkdir]: Permission denied in ... . How to settle down the problem?
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How do I rename the extension for a bunch of files?
...he system to have the rename program (although you would most often have this on a system):
for file in *.html; do
mv "$file" "$(basename "$file" .html).txt"
done
EDIT: As pointed out in the comments, this does not work for filenames with spaces in them without proper quoting (now added above...
Android - Spacing between CheckBox and text
Is there an easy way to add padding between the checkbox in a CheckBox control, and the associated text?
29 Answers
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How to query as GROUP BY in django?
...rs.objects.values('designation').annotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2},
{'designation': 'Manager...