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ActiveRecord, has_many :through, and Polymorphic Associations
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There is a known issue with Rails 3.1.1 that breaks this functionality. If you are having this...
Java 8 NullPointerException in Collectors.toMap
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in_array multiple values
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answered Sep 24 '11 at 23:51
Mark ElliotMark Elliot
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Github (SSH) via public WIFI, port 22 blocked
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edited Sep 27 '12 at 1:07
Fábio Batista
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ActionLink htmlAttributes
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The problem is that your anonymous object property data-icon has an invalid name. C# properties ...
How to pass command line arguments to a shell alias? [duplicate]
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
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1129
Yes: list1 + list2. This gives a new list that is the concatenation of list1 and list2.
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Does git return specific return error codes?
...tomatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when it merges correctly, as expected.
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Avoiding if statement inside a for loop?
... Library. It is called the strategy pattern.
If you are allowed to use C++11, you can do something like this:
#include <iostream>
#include <set>
#include <vector>
template <typename Container, typename Functor, typename Index = std::size_t>
void for_each_indexed(const Cont...
Script to get the HTTP status code of a list of urls?
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Curl has a specific option, --write-out, for this:
$ curl -o /dev/null --silent --head --writ...