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Relationship between SciPy and NumPy

SciPy appears to provide most (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object. ...
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Safe characters for friendly url [closed]

... To quote section 2.3 of RFC 3986: "Characters that are allowed in a URI but do not have a reserved purpose are called unreserved. These include uppercase and lowercase letters, decimal digits, hyphen, period, underscore, and tilde." ALPHA DIGIT "-" / "." / "_" / "~" N...
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Upgrade python in a virtualenv

...you will need to see your virtualenv version). If your virtualenv is installed with the same python version of the old one and upgrading your virtualenv package is not an option, you may want to read this in order to install a virtualenv with the python version you want. EDIT I've tested this ap...
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Assignment inside lambda expression in Python

I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression. ...
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How do I execute a string containing Python code in Python?

...;>> x 4 However, the first step should be to ask yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as higher order functions, ...
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How to reset sequence in postgres and fill id column with new data?

... This might cause duplicate ids. To prevent this, you can first set all to very high values: UPDATE t SET idcolumn=1000000+ nextval('seq'); then run the above script. – tahagh Nov 28 '13 at 13:15 ...
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Create list of single item repeated N times

I want to create a series of lists, all of varying lengths. Each list will contain the same element e , repeated n times (where n = length of the list). ...
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Remove last item from array

..., -1) will not. Pop is of course faster but may not be always suitable for all needs. – adelriosantiago Sep 23 '17 at 0:40 ...
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MongoDB: How to update multiple documents with a single command?

...: 'field1', field2: 'field2'}) New in version 3.2 Params:: {}: select all records updated Keyword argument multi not taken share | improve this answer | follow ...
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How to create a GUID/UUID in Python

... Also, have a look at the shortuuid module I wrote, as it allows you to generate shorter, readable UUIDs: github.com/stochastic-technologies/shortuuid – Stavros Korokithakis Dec 31 '12 at 16:22 ...