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Rails “validates_uniqueness_of” Case Sensitivity
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4 Answers
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How to trace the path in a Breadth-First Search?
...raph is in adjacent list representation
graph = {
'1': ['2', '3', '4'],
'2': ['5', '6'],
'5': ['9', '10'],
'4': ['7', '8'],
'7': ['11', '12']
}
def bfs(graph, start, end):
# maintain a queue of paths
queue = []
# push the first path into t...
XPath: How to select nodes which have no attributes?
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answered Aug 24 '09 at 18:04
48klocs48klocs
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How do I find a list of Homebrew's installable packages?
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edited Feb 14 '19 at 21:07
Devin G Rhode
17.3k66 gold badges3737 silver badges4848 bronze badges
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SQL Server - When to use Clustered vs non-Clustered Index?
...d use extreme care when picking a clustering key - it should be:
narrow (4 bytes ideal)
unique (it's the "row pointer" after all. If you don't make it unique SQL Server will do it for you in the background, costing you a couple of bytes for each entry times the number of rows and the number of non...
How to call function from another file in go language?
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4 Answers
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How to “pull” from a local branch into another one?
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jQuery posting valid json in request body
...he other end?
– brad
Nov 12 '10 at 14:28
Why does jQuery parse the data into a string, as opposed to just sending it a...
How to view the Folder and Files in GAC?
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.NET 1.0 - NET 3.5: c:\windows\assembly (%systemroot%\assembly)
.NET 4.x: %windir%\Microsoft.NET\assembly
OR gacutil –l
When you are going to install an assembly you have to specify where gacutil can find it, so you have to provide a full path as well. But when an assembly already is in G...