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Can I “multiply” a string (in C#)?
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224
In .NET 4 you can do this:
String.Concat(Enumerable.Repeat("Hello", 4))
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Add Variables to Tuple
... can concatenate or slice them to form new tuples:
a = (1, 2, 3)
b = a + (4, 5, 6) # (1, 2, 3, 4, 5, 6)
c = b[1:] # (2, 3, 4, 5, 6)
And, of course, build them from existing values:
name = "Joe"
age = 40
location = "New York"
joe = (name, age, location)
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Using @property versus getters and setters
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gsamaras
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answered Jul 7 '11 at 23:06
kindallkinda...
ServiceStack vs ASP.Net Web API [closed]
... Microsoft has released the ASP.Net Web API project as part of the new MVC 4 beta. Has anyone looked at the new Web API project? Can you give any pros/cons of each system?
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How do JavaScript closures work?
How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
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14 Answers
14
Active
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Removing duplicate objects with Underscore for Javascript
....unique accepts a callback
var list = [{a:1,b:5},{a:1,c:5},{a:2},{a:3},{a:4},{a:3},{a:2}];
var uniqueList = _.uniq(list, function(item, key, a) {
return item.a;
});
// uniqueList = [Object {a=1, b=5}, Object {a=2}, Object {a=3}, Object {a=4}]
Notes:
Callback return value used for compari...
How to remove unused imports in Intellij IDEA on commit?
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answered Sep 25 '12 at 14:37
Peter LawreyPeter Lawrey
486k6969 gold badges670670 silver badges10481048 bronze badges
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How do I get the current line number?
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In .NET 4.5 / C# 5, you can get the compiler to do this work for you, by writing a utility method that uses the new caller attributes:
using System.Runtime.CompilerServices;
static void SomeMethodSomewhere()
{
ShowMessage("Boo")...
mongo - couldn't connect to server 127.0.0.1:27017
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49
This error is what you would see if the mongo shell was not able to talk to the mongod server.
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