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Get a specific bit from byte
...e byte from a byte array which came in via UDP sent from another device. This byte stores the on/off state of 8 relays in the device.
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Memory management in Qt?
...d the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
4 Answers...
Can you Run Xcode in Linux?
Can you run Xcode in Linux? Mac OS X was based on BSD Unix, so is it possible?
13 Answers
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How to use filter, map, and reduce in Python 3
filter , map , and reduce work perfectly in Python 2. Here is an example:
7 Answers
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What is the best AJAX library for Django? [closed]
Which AJAX library is the best for django and why?
Looking for one with a large database of tutorials, books and detailed documentation.
Which one is the easiest to work with?
Which one is in early development but shows great promise for the future?
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Find out how much memory is being used by an object in Python [duplicate]
How would you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want.
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PostgreSQL Crosstab Query
...gres 9.1 you can use CREATE EXTENSION for that:
CREATE EXTENSION IF NOT EXISTS tablefunc;
Improved test case
CREATE TABLE tbl (
section text
, status text
, ct integer -- "count" is a reserved word in standard SQL
);
INSERT INTO tbl VALUES
('A', 'Active', 1), ('A', 'Inactiv...
What happens to a detached thread when main() exits?
...he original question "what happens to a detached thread when main() exits" is:
It continues running (because the standard doesn't say it is stopped), and that's well-defined, as long as it touches neither (automatic|thread_local) variables of other threads nor static objects.
This appears to be al...
Get the Highlighted/Selected text
Is it possible to get the highlighted text in a paragraph of a website e.g. by using jQuery?
5 Answers
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Testing if a checkbox is checked with jQuery
If the checkbox is checked, then I only need to get the value as 1; otherwise, I need to get it as 0. How do I do this using jQuery?
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