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Rails raw SQL example
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You can do this:
sql = "Select * from ... your sql query here"
records_array = ActiveRecord::Base.connection.execute(sql)
records_array would then be the result of your sql query in an array which you can iterate through.
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How to get current path with query string using Capybara
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I know an answer has been selected, but I just wanted to give an alternative solution. So:
To get the path and querystring, like request.fullpath in Rails, you can do:
URI.parse(current_url).request_uri.should == people_path(:search => 'name')
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Multiple file upload in php
... what would the expected outcome be? Browser allowing multiple files to be selected?
– Sven
Oct 3 '12 at 17:41
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Solving “Who owns the Zebra” programmatically?
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In Prolog, we can instantiate the domain just by selecting elements from it :) (making mutually-exclusive choices, for efficiency). Using SWI-Prolog,
select([A|As],S):- select(A,S,S1),select(As,S1).
select([],_).
left_of(A,B,C):- append(_,[A,B|_],C).
next_to(A,B,C):- l...
Setting the selected value on a Django forms.ChoiceField
...t hand, but this Q/A comes up for searches related to trying to assign the selected value to a ChoiceField.
If you have already called super().__init__ in your Form class, you should update the form.initial dictionary, not the field.initial property. If you study form.initial (e.g. print self.init...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
...e individual octets of the address (e.g., representing each as an unsigned char), so we end up with something like octets[0] & mask[0]. Thanks to C's type promotion rules, even if both operands are unsigned chars, the result is typically going to be int. We need the result to be an unsigned char...
__FILE__ macro shows full path
...lity tool would be careful to split file names at both slash and backslash characters to avoid any problems for folks that do manage to use /.
– RBerteig
Sep 13 '12 at 20:53
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Extract month and year from a zoo::yearmon object
...an extract the date parts as required:
> format(date1, "%b") ## Month, char, abbreviated
[1] "Mar"
> format(date1, "%Y") ## Year with century
[1] "2012"
> format(date1, "%m") ## numeric month
[1] "03"
These are returned as characters. Where appropriate, wrap in as.numeric() if you want t...
Algorithm to return all combinations of k elements from n
... takes an array of letters as an argument and a number of those letters to select.
71 Answers
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How can we match a^n b^n with Java regex?
...finalized pattern, with additional test cases, including one that's 10,000 characters long:
$tests = array(
'aaa', 'aaab', 'aaaxb', 'xaaab', 'b', 'abbb', 'aabb', 'aaabbbbb', 'aaaaabbb',
'', 'ab', 'abb', 'aab', 'aaaabb', 'aaabbb', 'bbbaaa', 'ababab', 'abc',
str_repeat('a', 5000).str_repeat('b',...