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No module named _sqlite3

... I had the same problem (building python2.5 from source on Ubuntu Lucid), and import sqlite3 threw this same exception. I've installed libsqlite3-dev from the package manager, recompiled python2.5, and then the import worked. ...
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Why is Cache-Control attribute sent in request header (client to server)?

... Cache-Control: no-cache is generally used in a request header (sent from web browser to server) to force validation of the resource in the intermediate proxies. If the client doesn't send this request to the server, intermediate proxies will return a copy of the content if it is fresh (has no...
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What's an Aggregate Root?

...itory pattern, aggregate roots are the only objects your client code loads from the repository. The repository encapsulates access to child objects - from a caller's perspective it automatically loads them, either at the same time the root is loaded or when they're actually needed (as with lazy loa...
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Performing user authentication in Java EE / JSF using j_security_check

...F . Then use BalusC's tip above on lazy initializing the user information from the database. He suggested doing it in a managed bean getting the principal from the faces context. I used, instead, a stateful session bean to store session information for each user, so I injected the session context: ...
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Dynamic type languages versus static type languages

...community these days (and since a long time). A good take on the issue is from Static Typing Where Possible, Dynamic Typing When Needed: The End of the Cold War Between Programming Languages by Erik Meijer and Peter Drayton at Microsoft: Advocates of static typing argue that the advantages of...
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What is the difference between .py and .pyc files? [duplicate]

...torial/modules.html) : "A program doesn’t run any faster when it is read from a .pyc or .pyo file than when it is read from a .py file; the only thing that’s faster about .pyc or .pyo files is the speed with which they are loaded." – mouad Oct 12 '10 at 22:...
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Extracting double-digit months and days from a Python date [duplicate]

Is there a way to extract month and day using isoformats? Lets assume today's date is March 8, 2013. 2 Answers ...
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Remove a prefix from a string [duplicate]

I am trying to do the following, in a clear pythonic way: 6 Answers 6 ...
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How to update a mongo record using Rogue with MongoCaseClassField when case class contains a scala E

I am upgrading existing code from Rogue 1.1.8 to 2.0.0 and lift-mongodb-record from 2.4-M5 to 2.5 . 1 Answer ...
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Why git can't do hard/soft resets by path?

...for a path, replacing both the index and the working tree with the version from the HEAD commit. – Dan Fabulich Oct 5 '12 at 8:18 1 ...