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How do I create a namespace package in Python?

In Python, a namespace package allows you to spread Python code among several projects. This is useful when you want to release related libraries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH , ...
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List of special characters for SQL LIKE clause

What is the complete list of all special characters for a SQL (I'm interested in SQL Server but other's would be good too) LIKE clause? ...
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Why declare unicode by string in python?

...cepted since is the most complete one :) – Oscar Carballal Jul 3 '10 at 4:38 2 The default source...
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A semantics for Bash scripts?

...patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is ever...
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Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health

...WCF net.tcp service endpoint using WIF . It should authenticate incoming calls against our token server. The service is streamed because it is designed to transfer large amounts of data n stuff. ...
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Finding the index of elements based on a condition using python list comprehension

... In Python, you wouldn't use indexes for this at all, but just deal with the values—[value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way. If you do need an API similar to Matlab's, you would use numpy, a packag...
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MongoDB/NoSQL: Keeping Document Change History

... changes to one or more specific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of...
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How to prevent gcc optimizing some statements in C?

...eeds. This has the advantage of just applying to a single function and not all functions defined in the same file. Usage example: void __attribute__((optimize("O0"))) foo(unsigned char data) { // unmodifiable compiler code } ...
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What does -D_XOPEN_SOURCE do/mean?

...ch one you need (if any) by looking at the man page for each function you call. For example, man strdup says: Feature Test Macro Requirements for glibc (see feature_test_macros(7)): strdup(): _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE >= 500 strndup(), strdupa(), strndupa():...
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What are deferred objects?

...As of jQuery 1.5, the Deferred object provides a way to register multiple callbacks into self-managed callback queues, invoke callback queues as appropriate, and relay the success or failure state of any synchronous or asynchronous function. Deferred Methods: deferred.done() Add handlers to be cal...