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How to atomically delete keys matching a pattern using Redis
...helped me out. Another variant if your redis keys contain quotes or other characters that mess up xargs: redis-cli KEYS "prefix:*" | xargs --delim='\n' redis-cli DEL
– overthink
Sep 16 '11 at 13:31
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Using Linq to get the last N elements of a collection?
...d as an extension method, you aren't required to use it that way:
List<string> mystring = new List<string>() { "one", "two", "three" };
mystring = Enumerable.Reverse(mystring).Take(2).Reverse().ToList();
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Using Razor within JavaScript
... var description = '@(Model.Description)';
var contentString = '<h3>' + title + '</h3>' + '<p>' + description + '</p>'
var infowindow = new google.maps.InfoWindow({
content: contentString
});
var marke...
SparseArray vs HashMap
...his is a supplemental answer for that.
Create a SparseArray
SparseArray<String> sparseArray = new SparseArray<>();
A SparseArray maps integers to some Object, so you could replace String in the example above with any other Object. If you are mapping integers to integers then use SparseI...
How do I write unencoded Json to my View using Razor?
...lAttendees))
In releases earlier than Beta 2 you did it like:
@(new HtmlString(Json.Encode(Model.PotentialAttendees)))
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What is the 
 character?
What's the meaning of this char?
6 Answers
6
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RGB to hex and hex to RGB
...required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : hex;
}
function rgbToHex(r, g, b) {
return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(rgbToHex(0, 51, 255)); // #0033ff
Conve...
How to assign an exec result to a sql variable?
...EATE PROCEDURE YourStoredProcedure
(
@Param1 int
,@Param2 varchar(5)
,@Param3 datetime OUTPUT
)
AS
IF ISNULL(@Param1,0)>5
BEGIN
SET @Param3=GETDATE()
END
ELSE
BEGIN
SET @Param3='1/1/2010'
END
RETURN 0
GO
call to the stored procedure, with an OUTPUT parameter:
DECLAR...
Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
...nsole.WriteLine("Response Code: " + (int)statusCode + " - " + statusCode.ToString());
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Foreach loop, determine which is the last iteration of the loop
...es in your collection. For example, if you're working with a collection of strings, and there are any duplicates, then that "different with the last item" code will execute for every occurrence of the last item in the list.
– muttley91
Sep 27 '13 at 18:22
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