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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Feb 20 '14 at 4:34
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How exactly does a generator comprehension work?
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147
Do you understand list comprehensions? If so, a generator expression is like a list comprehensio...
Which data type for latitude and longitude?
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edited Nov 29 '17 at 17:48
answered Nov 16 '11 at 11:29
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Why is a round-trip conversion via a string not safe for a double?
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178
I found the bug.
.NET does the following in clr\src\vm\comnumber.cpp:
DoubleToNumber(value, D...
How to convert std::string to NSString?
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VladimirVladimir
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How to commit no change and new message?
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176
There's rarely a good reason to do this, but the parameter is --allow-empty for empty commits (...
Why should I use core.autocrlf=true in Git?
...e-endings?
– Rich
Jul 14 '10 at 16:07
52
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What's the false operator in C# good for?
...&&.
For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-operator-overloading - where I found out about this trick; archived version by @BiggsTRC):
public static AbstractCriterion operator &(AbstractCriterion lhs, AbstractCriterion rhs)
{
retu...
Set value to null in WPF binding
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227
I am using .NET 3.5 SP1 so it's very simple:
<TextBox Text="{Binding Price, TargetNullValue=...
C++ Exceptions questions on rethrow of original exception
...ory location which will stay valid during the subsequent unwinding -- 0x98e7058 in the example below). However,
In the first case, since you rethrow with throw; (which, unlike throw err;, preserves the original exception object, with your modifications, in said "magical location" at 0x98e7058) wi...