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In Python, how do I convert all of the items in a list to floats?
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map(float, mylist) should do it.
(In Python 3, map ceases to return a list object, so if you want a new list and not just something to iterate over, you either need list(map(float, mylist) - or use SilentGhost's answer which arguably is more pythonic.)
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Emulate a do-while loop in Python?
I need to emulate a do-while loop in a Python program. Unfortunately, the following straightforward code does not work:
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How exactly does the python any() function work?
In the python docs page for any , the equivalent code for the any() function is given as:
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How to take the first N items from a generator or list in Python? [duplicate]
... # grab the first five elements
You can't slice a generator directly in Python. itertools.islice() will wrap an object in a new slicing generator using the syntax itertools.islice(generator, start, stop, step)
Remember, slicing a generator will exhaust it partially. If you want to keep the entire...
How to sort with lambda in Python
In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is:
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2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...移的问题。大家大胆的使用Scala作为主要编程语言，采用 Python作为脚本控制，比如产品组就是提供的课程产品，里面大量使用Play Framework，Javascript的backbone作为控制中枢。而架构组主要是维护底层存储，通用服务，性能和稳定性...
Calculating arithmetic mean (one type of average) in Python
Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
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Differences between numpy.random and random.random in Python
I have a big script in Python. I inspired myself in other people's code so I ended up using the numpy.random module for some things (for example for creating an array of random numbers taken from a binomial distribution) and in other places I use the module random.random .
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Why do I need 'b' to encode a string with Base64?
Following this python example , I encode a string as Base64 with:
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what is the right way to treat Python argparse.Namespace() as a dictionary?
...n over-broad admonition. The docs were subsequently corrected. See docs.python.org/2.7/library/functions.html#vars While there are some special cases that have read-only dictionaries (such as locals and class dictionary proxies), the rest of the cases are updateable. The vars(obj) call is synon...