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How to draw polygons on an HTML5 canvas?
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phihagphihag
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Dynamically updating plot in matplotlib
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Is there a way in which I can update the plot just by adding more point[s] to it...
There are a number of ways of animating data in matplotlib, depending on the version you have. Have you seen the matplotlib cookbook examples? Also, check out the more modern animation examples...
Child with max-height: 100% overflows parent
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BoltClock♦BoltClock
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How to apply bindValue method in LIMIT clause?
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Stephen CurranStephen Curran
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Copy file or directories recursively in Python
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Jean-François Corbett
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answered Jan 3 '10 at 12:35
tzottzot
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“where 1=1” statement [duplicate]
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It's usually when folks build up SQL statements.
When you add and value = "Toyota" you don't have to worry about whether there is a condition before or just WHERE. The optimiser should ignore it
No magic, just practical
Example Code:
commandText = "select * from car_table where...
What is memoization and how can I use it in Python?
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factorial = Memoize(factorial)
A feature known as "decorators" was added in Python 2.4 which allow you to now simply write the following to accomplish the same thing:
@Memoize
def factorial(k):
if k < 2: return 1
return k * factorial(k - 1)
The Python Decorator Library has a si...
Real world use cases of bitwise operators [closed]
... ACLs are a good example; if you have let's say 4 discrete permissions (read, write, execute, change policy), it's better to store this in 1 byte rather than waste 4. These can be mapped to enumeration types in many languages for added convenience.
Communication over ports/sockets
Always involves ...
Truncating all tables in a Postgres database
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EXECUTE 'TRUNCATE TABLE ' || quote_ident(stmt.tablename) || ' CASCADE;';
END LOOP;
END;
$$ LANGUAGE plpgsql;
This creates a stored function (you need to do this just once) which you can afterwards use like this:
SELECT truncate_tables('MYUSER');
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WebAPI Multiple Put/Post parameters
... Fatih GÜRDALFatih GÜRDAL
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