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How to output a multiline string in Bash?
... -d '' help <<- EOF ... to read the multiline string into a variable and then echoed the result.
– helpermethod
Jun 10 '12 at 21:11
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ImportError: numpy.core.multiarray failed to import
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I was getting the same error and was able to solve it by updating my numpy installation to 1.8.0:
pip install -U numpy
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Writing your own STL Container
...erator_tag,std::forward_iterator_tag,std::bidirectional_iterator_tag,std::random_access_iterator_tag. Also note that the below is technically more strict than required, but this is the idea. Note that the vast majority of the "standard" functions are technically optional, due to the awesomeness that...
Is there a math nCr function in python? [duplicate]
...ython 2
As of Python 3.8, binomial coefficients are available in the standard library as math.comb:
>>> from math import comb
>>> comb(10,3)
120
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ModelSerializer using model property
...you would get all the MyModel fields plus ext_link in the serialized data. And this is really awesome for complex models! EDIT: At least, this is true for djangorestframework==2.3.14.
– e.thompsy
Feb 4 '15 at 18:54
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Test if lists share any items in python
... generally the fastest.
There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such:
bool(set(a) & set(b))
Because sets are stored using a hash table in Python, searching them is O(1) (see here for...
How to programmatically show next view in ViewPager?
I created a ViewPager and everything is working fine, however I want to have a previous next button outside of ViewPager which can be used to navigate inside ViewPager. How can I go to next Item on ViewPager without swiping manually?
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How to force ASP.NET Web API to always return JSON?
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where does the first part of the code get cut and pasted too? I don't see a "config" object in my Global.asax. Where is that variable coming from? the article doesn't explain either.
– BuddyJoe
Aug 13 '13 at 23:38
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Preferred way to create a Scala list
...example code below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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Is Java “pass-by-reference” or “pass-by-value”?
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Java is always pass-by-value.
Unfortunately, we never handle an object at all, instead juggling object-handles called references (which are passed by value of course). The chosen terminology and semantics easily confuse many beginners.
It goes like this:
public static void main(...