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Determine if Python is running inside virtualenv

...r sys.base_prefix did not ever exist. So a fully robust check that handles all of these cases could look like this: import sys def get_base_prefix_compat(): """Get base/real prefix, or sys.prefix if there is none.""" return getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", No...
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How do I print the type of a variable in Rust?

...r | = note: expected type `()` found type `{float}` Or call an invalid method: let mut my_number = 32.90; my_number.what_is_this(); error[E0599]: no method named `what_is_this` found for type `{float}` in the current scope --> src/main.rs:3:15 | 3 | my_number.what_is_...
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Load multiple packages at once

...t retyping the require command over and over? I've tried three approaches all of which crash and burn. 10 Answers ...
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Multiprocessing: How to use Pool.map on a function defined in a class?

... [p.join() for p in proc] return [p.recv() for (p, c) in pipe] if __name__ == '__main__': print parmap(lambda x: x**x, range(1, 5)) share | improve this answer | ...
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Check if something is (not) in a list in Python

... @nightcracker That makes no sense as A not in B is reduced to doing not B.__contains__(A) which is the same as what not A in B is reduced to which is not B.__contains__(A). – Dan D. May 2 '12 at 0:33 ...
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Where do I find old versions of Android NDK? [closed]

... @stoiczek: The older NDKs didn't have all the builds the newer do. r8b probably didn't have 64-bit darwin build. – Jan Hudec Jan 9 '14 at 8:26 ...
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Django queries - id vs pk

...ry key field i.e. you don't need to care whether the primary key field is called id or object_id or whatever. It also provides more consistency if you have models with different primary key fields. share | ...
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How to implement a ConfigurationSection with a ConfigurationElementCollection

... The previous answer is correct but I'll give you all the code as well. Your app.config should look like this: <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="ServicesSection" type="RT.Core.Config.Servic...
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Have a reloadData for a UITableView animate when changing

...the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks. ...
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How to select a node using XPath if sibling node has a specific value?

... Seems I actually didn't read the title. :) Answer stays valid anyway. – Jens Erat Jun 11 '13 at 13:34 2 ...