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Why do we have map, fmap and liftM?
...askell 1.3 fmap was called map. This change was then reverted in Haskell 1.4 and fmap was introduced. The reason for this change was pedagogical; when teaching Haskell to beginners the very general type of map made error messages more difficult to understand. In my opinion this wasn't the right way ...
Make Div overlay ENTIRE page (not just viewport)?
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SampsonSampson
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URL query parameters to dict python
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edited May 28 '18 at 10:46
dspacejs
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answered F...
Rails hidden field undefined method 'merge' error
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417
You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expec...
POSTing a @OneToMany sub-resource association in Spring Data REST
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47
You have to post the comment first and while posting the comment you can create an association ...
Disabling Strict Standards in PHP 5.4
I'm currently running a site on php 5.4, prior to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just ena...
How do I get current URL in Selenium Webdriver 2 Python?
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4 Answers
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Reading header data in Ruby on Rails
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149
request.headers["Content-Type"] # => "text/plain"
replace "Content-Type" with the name of ...
deleting rows in numpy array
...thod.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the indices of the rows which have a ...
How do I convert a NSString into a std::string?
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134
NSString *foo = @"Foo";
std::string bar = std::string([foo UTF8String]);
Edit: After a few yea...