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belongs_to through associations
...answer
validates_uniqueness_of :answer_id, :scope => [ :question_id, :user_id ]
...
def question
answer.question
end
end
this way the you can now call question on Choice
share
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i...
Python code to remove HTML tags from a string [duplicate]
...egex, you can clean everything inside <> :
import re
def cleanhtml(raw_html):
cleanr = re.compile('<.*?>')
cleantext = re.sub(cleanr, '', raw_html)
return cleantext
Some HTML texts can also contain entities, that are not enclosed in brackets such as '&nsbm'. If that is the ...
Log all requests from the python-requests module
...
Strangely enough, I do not see the access_token in the OAuth request. Linkedin is complaining about unauthorized request, and I want to verify whether the library that I am using (rauth on top of requests) is sending that token...
Why do C++ libraries and frameworks never use smart pointers?
I read in a few articles that raw pointers should almost never be used. Instead they should always be wrapped inside smart pointers, whether it's scoped or shared pointers.
...
How do I create test and train samples from one dataframe with pandas?
...ay of size len(df) with randomly and uniformly distributed float values in range [0, 1]. The < 0.8 applies the comparison element-wise and stores the result in place. Thus values < 0.8 become True and value >= 0.8 become False
– Kentzo
Dec 6 '18 at 0:4...
How to read a file in reverse order?
... yield segment
segment = lines[0]
for index in range(len(lines) - 1, 0, -1):
if lines[index]:
yield lines[index]
# Don't yield None if the file was empty
if segment is not None:
yield segment
...
ASP.NET WebApi vs MVC ? [closed]
...s a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.
you can read more form here
http://www.dotnet-tricks.com/Tutorial/webapi/...
Bootstrap 3 Collapse show state with Chevron icon
...n excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...ions. The question you should be asking yourself is, "Do I want to use the raw driver, or do I need an object-document modeling tool?" If you're looking for an object modeling (ODM, a counterpart to ORMs from the SQL world) tool to skip some lower level work, you want Mongoose.
If you want a driver...
How to convert a PIL Image into a numpy array?
... A warning here (from my own mistake): you need to consider the scale and ranges of the data as well. In many usecases you'd render Images with 0-255 bytes, but you might expect these to get converted to for example 0.0-1.0 in the numpy array. Some unit conversions from uint8 do this, but in this c...