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How can I use redis with Django?

I've heard of redis-cache but how exactly does it work? Is it used as a layer between django and my rdbms, by caching the rdbms queries somehow? ...
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SQLAlchemy: Creating vs. Reusing a Session

...maker() once but calling the resulting Session() class each time you need to talk to your DB. For me that means the second I would do my first session.add(x) or something similar, I would first do ...
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Why use argparse rather than optparse?

I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse . ...
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what does the __file__ variable mean/do?

I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it. ...
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Find out time it took for a python script to complete execution

I have the following code in a python script: 8 Answers 8 ...
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Why are unsigned int's not CLS compliant?

Why are unsigned integers not CLS compliant? 4 Answers 4 ...
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?

I have always been a bit unclear on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass. ...
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How to use Greek symbols in ggplot2?

My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it? ...
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When to use a key/value store such as Redis instead/along side of a SQL database?

I have read great things about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application. ...
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How Pony (ORM) does its tricks?

Pony ORM does the nice trick of converting a generator expression into SQL. Example: 1 Answer ...