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Rails “validates_uniqueness_of” Case Sensitivity
... 3rd Edition:
...despite its name, validates_uniqueness_of doesn’t really guarantee that column values will be unique. All it can do is verify that no column has the same value as that in the record being validated at the time the validation is performed. It’s possible for two records to be ...
Difference between Document-based and Key/Value-based databases?
...e debate on the correct name for databases such as Cassandra, I'd like to call them column-family stores. Although key-value pairs are an essential part of Cassandra, it's not limited to just that. It allows you to nest key-value pairs, so a key could refer to multiple sub-key-value pairs.
You cann...
Comprehensive beginner's virtualenv tutorial? [closed]
...'ve been hearing the buzz about virtualenv lately, and I'm interested. But all I've heard is a smattering of praise, and don't have a clear understanding of what it is or how to use it.
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What “things” can be injected into others in Angular.js?
...for telling Angular how to create new injectable things; these things are called services. Services are defined by things called providers, which is what you're creating when you use $provide. Defining a provider is done via the provider method on the $provide service, and you can get hold of the $p...
How to use sed to replace only the first occurrence in a file?
...lude directive before any existing #includes. For this sort of task, I normally use a small bash script with sed to re-write the file.
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Moving default AVD configuration folder (.android)
After installation of Android SDK, there was created .android folder on the E:\ drive. As far as I know this is the default folder of Android Virtual Devices for configuration files.
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What is the C# equivalent of friend? [duplicate]
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Interesting note, in VB.NET Internal is still called Friend.
– Jeff
Oct 17 '13 at 19:55
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Left Join With Where Clause
I need to retrieve all default settings from the settings table but also grab the character setting if exists for x character.
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GIT clone repo across local file system in windows
... an SVN project (had some issues with branches, not got them working), but all seems ok there.
9 Answers
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How to enable external request in IIS Express?
...h http add urlacl url=http://vaidesg:8080/ user=everyone
For XP, first install Windows XP Service Pack 2 Support Tools. Then run the following command from an administrative prompt:
httpcfg set urlacl /u http://vaidesg1:8080/ /a D:(A;;GX;;;WD)
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