User:Boris Tsirelson/Sandbox1: Difference between revisions

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==Run-time efficiency==
The general idea of the Cantor–Bernstein–Schroeder theorem and related results may be formulated as follows. If ''X'' is similar to a part of ''Y'' and at the same time ''Y'' is similar to a part of ''X'' then ''X'' and ''Y'' are similar.
 
Generally, a high-level interpreted scripting language is far not as fast as a compiled program. However, a specializing just-in-time compiler "Psyco"<ref>[http://psyco.sourceforge.net/ Psyco: High-level languages need not be slower than low-level ones.]</ref> runs existing Python programs much faster, with no change in the source text. In addition, the Python library contains a number of modules performing useful operations quite effectively. For example, "anydbm"<ref>[http://docs.python.org/release/2.5.2/lib/module-anydbm.html anydbm -- Generic access to DBM-style databases]</ref> can effectively maintain a large indexed file.


==Notes and references==
==Notes and references==
{{reflist}}
{{reflist}}

Revision as of 10:03, 1 September 2010

The general idea of the Cantor–Bernstein–Schroeder theorem and related results may be formulated as follows. If X is similar to a part of Y and at the same time Y is similar to a part of X then X and Y are similar.

Notes and references

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