StringChain -- a data structure for managing large sequences of chunks of bytes
in [Python]
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From: Paul Rubin on 12 Mar 2010 02:20 "Zooko O'Whielacronx" <zookog(a)gmail.com> writes: > Every couple of years I run into a problem where some Python code that > worked well at small scales starts burning up my CPU at larger scales, > and the underlying issue turns out to be the idiom of accumulating > data by string concatenation. I usually use StringIO or cStringIO for that (python 2.x syntax): buf = cStringIO() buf.write("first thing") buf.write("second thing") result = buf.getvalue() Sometimes I like to use a generator instead: def stuff(): yield "first thing" yield "second thing" result = ''.join(stuff()) |