Python Cookbook
| [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] [Y] [Z] daemon processes, forking on Unix daemon threads DAO, Jet database migration using data processing selected pairs of structured data efficiently database systems accessing columns by field name different types field names, mapping to column numbers JDBC access via Jython servlets lazy connections to Python programming for relational databases SQL implementations DatabaseTuple class datagram sockets passing large messages dbutils.py _ _debug_ _ variable debugging and testing C extensions, dynamically loaded, debugging with gdb classes, adding functionality to current function, determining the name of currying, use in debugging garbage collection interactive debuggers, limitations of introspecting the call stack with older Python versions logging and tracing across platforms memory problems associated with C extensions modules, automating reloading starting debugger automatically after uncaught exceptions strategies tracing a class's defined methods tracing expressions and comments in debug mode tracking instances of particular classes wrapping tracebacks in HTML decorate-sort-undecorate [See DSU] deep copies def statement dele (poplib module) delegation automatic, as an alternative to inheritance of messages to multiple objects delete_thread_storage delSpaces design nonpatterns Borg class Borg design nonpattern alternatives to design patterns [See also design nonpatterns] Letter/Envelope Monostate pattern Null Object design pattern Singleton Template-Method design pattern dialog boxes creating with Tkinter Dialog widget _ _dict_ _ instance's state, and dictionaries auxiliary, use in processing data pairs classes, wrapping in constructing without quoting keys dispatch using entries, adding explicit specification get histograms, using for intersections, finding between keys, mapping multiple values to setdefault sorting of storing function results in threads, allocation of storage for tracking_classes type, hash table used for values, obtaining from wrapping into callable objects dictionary display, alternative to diff tool difflib module directories computing sizes across platforms conditional addition to search path creating, including parent directories walking directory trees diskspace, determining usage distributed middleware architectures central middleware process client script gateway for XML-RPC services Publish/Subscribe, and Request/Reply, using in server script distributed programming CORBA client and server implementation modules for O'Reilly's Meerkat server, accessing via RPC Publish/Subscribe, using in distributed middleware architecture remote logins using telnetlib Request/Reply, using in a distributed middleware architecture RPCs (remote procedure calls) SOAP (Simple Object Access Protocol) web services that support XML-RPC and SOAP XML-RPC Medusa, using with method calls, making serving requests distutils package divmod DNS name server addresses, viewing in Windows registry Document Object Model [See DOM] dodict DOM (Document Object Model) domain names, normalizing to fully qualified domain names (FQDN) double quotes drop wrapper DSU (decorate-sort-undecorate) 2nd comparison functions, compared to decorate step decorating an object with print-like methods decorating objects with new functions reverse sorting sort step sorting a list of objects by object attributes undecorate step dtuple module du command dump (cPickle module) 2nd vs. dumps dump (marshal module) dump_garbage dumps (cPickle module) dumps (marshal module) duplicates, removing from a sequence maintaining sequence order |