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What is the most pythonic way to check if an object is a number?

...and is not iterable" could be a good definition in some cases. But, you really need to ask yourself, what it is that you're asking that what you want to consider "a number" must definitely be able to do, and what it must absolutely be unable to do -- and check. This may also be needed in 2.6 or la...
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External template in Underscore

...nstead. I wouldn't advocate doing this anymore. Instead, I would separate all templates into individual HTML files. Some would suggest loading these asynchronously (Require.js or a template cache of sorts). That works well on small projects but on large projects with lots of templates, you find y...
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Reminder - \r\n or \n\r?

...-while the head is returning to the left edge of the paper, the platen can index one line. The longer operation starts first, so the whole operation completes in the time it takes the longer operation to execute. We did a lot of things for reasons like that back then; imagine waiting out a couple of...
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Converting between datetime, Timestamp and datetime64

...>> numpy.__version__ '1.6.2' # current version available via pip install numpy I can reproduce the long value on numpy-1.8.0 installed as: pip install git+https://github.com/numpy/numpy.git#egg=numpy-dev The same example: >>> from datetime import datetime >>> import num...
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Can I serve multiple clients using just Flask app.run() as standalone?

... need static files, no HTTP Post methods. My requirement is, I want to run all Flask threads as part of my parent app, so that they all can share variables. – ATOzTOA Feb 12 '13 at 6:03 ...
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Difference between View and table in sql

...: A view is a virtual table whose contents are defined by a query. Unless indexed, a view does not exist as a stored set of data values in a database. Advantages over table are We can combine columns/rows from multiple table or another view and have a consolidated view. Views can be used as secur...
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Mediator Vs Observer Object-Oriented Design Patterns

...-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. The Mediator pattern: Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each o...
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How to check if variable is string with python 2 and 3 compatibility

... What about this, works in all cases? isinstance(x, ("".__class__, u"".__class__)) share | improve this answer | follow ...
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django - why is the request.POST object immutable?

... It's a bit of a mystery, isn't it? Several superficially plausible theories turn out to be wrong on investigation: So that the POST object doesn't have to implement mutation methods? No: the POST object belongs to the django.http.QueryDict class, which implements a full set ...
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How do I 'git diff' on a certain directory?

...'s the relevant bit when you do git help diff git diff [options] [--no-index] [--] <path> <path> The two <path>s are what you need to change to the directories in question. share | ...