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How does collections.defaultdict work?

... How do we know what is the default value for each type? 0 for int() and [] for list() are intuitive, but there can also be more complex or self-defined types. – Sean Mar 11 at 10:40 ...
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What does “Content-type: application/json; charset=utf-8” really mean?

...e content itself, i.e. you can't necessarily just look at the content and know what to do with it. That's what HTTP headers are for, they tell the recipient what kind of content they're (supposedly) dealing with. Content-type: application/json; charset=utf-8 designates the content to be in JSON for...
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No secret option provided to Rack::Session::Cookie warning?

...fferent way than intended. It should be ok to just ignore this warning for now until there is a final agreement on how to handle this issue and a fix in place. share | improve this answer |...
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Matplotlib - global legend and title aside subplots

I've started with matplot and managed some basic plots, but now I find it hard to discover how to do some stuff I need now :( ...
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How to test chrome extensions?

...ert.calledWithMatch(chrome.browserAction.setBadgeText, { text: "2" }); Now we can wrap it into mocha's describe..it functions and run from terminal: $ mocha background page ✓ should display opened tabs count in button badge 1 passing (98ms) You can find full example here. Additionally,...
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Advantages of stateless programming?

... True, I should acknowledge that probably a lot of my positive experience with F# has more to do with F# than it does with functional programming. But still, there is a strong correlation between the two, and even though things like type infere...
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Is there any NoSQL data store that is ACID compliant?

...@gbn for the mention of CAP theorem. Being more familiar with "nosql" db's now than I was then has only reinforced the separation of the concepts. Also, key-value vs doc databases, since there are architectural differences. – AJ. Jul 25 '12 at 3:22 ...
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Simple Log to File example for django 1.3+

...['console', 'logfile'], 'level': 'DEBUG', }, } } Now what does all of this mean? Formaters I like it to come out as the same style as ./manage.py runserver Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) an...
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What resources are shared between threads?

...w what's the difference between a process and a thread. Really, I did not know the answer. I thought for a minute and gave a very weird answer. ...
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?

...t model. Everything works via MVC which is great (kudos to Microsoft!) but now I want it NOT to work because I need to have data model constraints. ...