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A migration to add unique constraint to a combination of columns
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answered Jul 30 '10 at 9:45
Robert SpeicherRobert Speicher
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What is PostgreSQL explain telling me exactly?
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50
Explaining_EXPLAIN.pdf could help too.
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What is the difference between `new Object()` and object literal notation?
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edited Feb 3 '16 at 11:10
T.J. Crowder
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Fastest method of screen capturing on Windows
... get the render target surface.
HRESULT hr = Device->GetRenderTarget(0, &pRenderTarget);
// get the current adapter display mode.
//hr = pDirect3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&d3ddisplaymode);
// create a destination surface.
hr = Device->CreateOffscree...
Generic Repository With EF 4.1 what is the point
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202
You are actually right. DbContext is an implementation of the unit of work pattern and IDbSet i...
Why does casting int to invalid enum value NOT throw exception?
...e.IsDefined(),
() => new ArgumentException(string.Format("{0} is not a defined value for enum type {1}",
enumValue, typeof(T).FullName)));
return parsedValue;
}
public static bool IsDefined(T enumValue)
{
return System.Enum.IsDefined(type...
Non-CRUD operations in a RESTful service
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edited Sep 10 '15 at 18:11
whoan
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a...
undefined method `source_index' for Gem:Module (NoMethodError)
... What it came down to was ruby-1.9.3-p385 had installed RubyGems version 2.0.2 for me, and 1.9.3-p327 has RubyGems v1.8.23 installed.
Gem.source_index has been deprecated for a while, but since Rails 2.3 is not getting any updates except critical security patches, this will never get fixed. RubyGem...
What are the differences between .gitignore and .gitkeep?
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answered Aug 29 '11 at 12:20
WoobleWooble
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How to highlight text using javascript
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102
You can use the jquery highlight effect.
But if you are interested in raw javascript code, tak...