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Data Python scripts

Implementation of sets using sorted lists

... set operations using sorted lists as the underlying data structure. Advantages: - Space savings -- lists ... - Fast operations depending on the underlying data patterns. - Non-overlapping sets get united, intersected, or differenced with only log(N) element comparisons.Results are built using fast-slicing. - Algorithms are designed ...
Python

mx ODBC example

... a few hundred thousand rows of an access database in seconds where pure ADO would take 30 ... simple example of how to talk to a database, in this case an access file, get the columns of a table and get data from the table. ...
Python

re2 library

The re2 library provides a hierarchical named groups extension to the standard python re library. re2 extracts a hierarchy of named groups matches from a string, rather than the flat, incomplete dictionary that the standard re module returns. tandard r; ...
Python

DirectoryStorage

DirectoryStorage is a Storage for ZODB, the object database used by Zope. It uses ordinary files and ... format; one file per revision per object. Your data is not locked away inside an unfamiliar, opaque database. - Disaster-preparedness. DirectoryStorage tools have been designed ... into a backup replica storage. This can minimise data loss after a hardware failure. - Fault-tolerant ...
Python

Counting pages of PDF documents on Mac OS X

Given that PDF is a "native" data format on Mac OS X, it is very easy to get access to some properties of such documents. One is the number of pages. Using Python the necessary code to do this is only about four lines, plus some import and command-line plumbing, ...
Python

Composite design pattern using dictionaries

... It can be used to process hierarchical, tree-based data structures using Python dictionaries. ...
Python

GRAMPS

... allows you to store, edit, and research genealogical data. GRAMPS attempts to provide all of the common ... of information directly into GRAMPS and rearrange/manipulate any/all data events in the entire data base (in any order or sequence) to assist ...
Python

An interval mapping data structure

... kind of dictionary which allows you to map data intervals to values. You can then query the structure for a given point, and it returns the value associated to the interval which contains the point.Boundary values don't need to be an integer ; in the test unit a date-time object ...
Python

More accurate sum

... use any additional memory (although it destroys the data array), and also runs asymptotically faster for unlimited precision numbeuns asympr >/ ...
Python

Personal Finance Assistance

... record all your daily expenses. It stores all data in SQLite.The program is menu-based program which can connect to database and then performming addition, updating, deletion and showing the summary. ...
Python

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