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python Programming Glossary: tables

How can I profile a SQLAlchemy powered application?

http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application

it just means to use joins so that results across multiple tables can be loaded in one result set instead of multiplying numbers..

“Large data” work flows using pandas

http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas

performing these steps. Reading links about pandas and pytables it seems that appending a new column could be a problem. Edit.. tens of gigabytes of data in just this fashion e.g. I have tables on disk that I read via queries create data and append back... files chunk by chunk and multiple table queries . Since pytables is optimized to operate on row wise which is what you query..

Bitwise Operation and Usage

http://stackoverflow.com/questions/1746613/bitwise-operation-and-usage

0 otherwise it's 0. These can often be best shown as truth tables. Input possibilities are on the top and left the resultant bit..

How are Python's Built In Dictionaries Implemented

http://stackoverflow.com/questions/327311/how-are-pythons-built-in-dictionaries-implemented

. Python dictionaries are implemented as hash tables . Hash tables must allow for hash collisions i.e. even if two.. Python dictionaries are implemented as hash tables . Hash tables must allow for hash collisions i.e. even if two keys have same..

What kinds of patterns could I enforce on the code to make it easier to translate to another programming language?

http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat

which is a start. From then on I can build the AST symbol tables and control flow. Then I believe I can start outputting code... DMS provides generic parsing AST building symbol tables control and data flow analysis application of translation rules.. One of the hard lessons is that you need symbol tables and flow analysis to do good program analysis or transformation...

Python UnicodeDecodeError - Am I misunderstanding encode?

http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode

4 bytes contain the number of the character in the Unicode tables as a 4 byte integer. Another very useful encoding is UTF 8 which..

Using only the DB part of Django

http://stackoverflow.com/questions/579511/using-only-the-db-part-of-django

Can I use just the ORM part to get classes that map to DB tables and know how to read write from these tables If not what would.. map to DB tables and know how to read write from these tables If not what would you recommend as the Python equivalent of.. using the syncdb command which is required to create the tables for your models. A settings.py file is needed for this with..

Python: pretty-printing ascii tables?

http://stackoverflow.com/questions/5909873/python-pretty-printing-ascii-tables

pretty printing ascii tables I'm looking for a python library for printing tables like this.. tables I'm looking for a python library for printing tables like this column 1 column 2 value1 value2 value3 value4 ..

Django dynamic model fields

http://stackoverflow.com/questions/7933596/django-dynamic-model-fields

have been pre emptively discarded Custom SQL to modify tables on the fly. Partly because this won't scale and partly because.. Attribute Value data model essentially it uses several tables to store dynamic attributes of objects. Great parts about this..

How do I access the child classes of an object in django without knowing the name of the child class?

http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam

this you may have to do quite a number of queries on child tables to find the instance depending how large your inheritance tree..

Use Django ORM as standalone [duplicate]

http://stackoverflow.com/questions/937742/use-django-orm-as-standalone

and run syncdb to have it automatically setup the tables and relationships or can I only use models from existing Django..