Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] daemon processes, forking on Unlx-like systems daemon threads data Excel, accessing with Jython hierarchical structuring of saving/retrieving with support for selecting/searching serializing marshal module pickle and cPickle modules database cursors, printing contents of databases 2nd applications providing transaction support/concurrency control persistence, compression and programming issues relational [See relational databases] datagram sockets (UDP) monitoring network status using for SNTP date/time calculating number of holidays number of weekdays time periods in date range yesterday/tomorrow checking for daylight saving time converting time zones datetime module finding date of previous weekday getting time from server via SNTP protocol parsing fuzzy dates running commands repeatedly summing song durations time module timedelta module timedelta type 2nd date/timescheduling commands datetime module 2nd 3rd calculating number of weekdays dateutil module automatic holiday lookups calculating number of weekdays daylight saving time, checking for DB API modules, single parameter passing style across various db_row (Python Database Row Module) DDList class deadlocks 2nd avoiding by nonblocking output and error streams debug mode, tracing expressions/comments debugging C extensions disabling conditions and loops exception handling garbage collection property function starting debugger automatically after uncaught exception threads in processes tracebacks unit tests checking values against running automatically running simply decimal module 2nd decimal numeric data type decorate-sort-undecorate (DSU) decorators altering code objects in __deepcopy__ method def statement, defining methods with default values/bounds, using with tkSimpleDialog functions __delattr__ method delegation [See also automatic delegation] [See also automatic delegation] flexibility of in proxies description attribute cursors descriptors design patterns Adapter Monostate Null Object object-oriented Reactor Singleton 2nd State Strategy Template Method 2nd design tools, relational database design in appropriate for dict (built-in type) fromkeys classmethod dictionaries [See also mappings] [See also mappings] adding entries to building chaining lookups dispatching methods/functions with enriching type of, with rating functionality extracting subsets from finding unions/intersections of getting values from inverting keys in [See dictionary keys] mapping column names to index values sorting using for search tasks dictionary keys associating multiple values to avoiding quoting in dictionary building directories computing relative path finding files in sharing on Windows trees [See directory trees] directory trees changing file extensions in walking dispatching generators as co-routines methods via dictionaries distributed programming error handling in distutils package division, true versus truncating DLLs (dynamic link libraries), Windows calling functions from registering/unregistering docstrings doctest module 2nd DOM (Document Object Model) drag-and-drop reordering, adding to a Tkinter listbox DSU (decorate-sort-undecorate) sorting lists of objects by their attributes sorting lists of strings ignoring case sorting strings with embedded numbers dtuple module duck typing dump and dumps functions marshal module pickle/cPickle modules duplicates, removing from sequences Dynamic IP protocol (DNS) dynamic link libraries [See DLLs] |