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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
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10 Answers
10
Active
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Are HLists nothing more than a convoluted way of writing tuples?
...1 = f1.toList // Inferred type is List[Int]
val t2 = (23, ((true, 2.0, "foo"), "bar"), (13, false))
val f2 = flatten(t2)
val t2b = f2.tupled
// Inferred type of t2b is (Int, Boolean, Double, String, String, Int, Boolean)
Without using HLists (or something equivalent) to abstract over the ar...
How to split a string in Java
I have a string, "004-034556" , that I want to split into two strings:
35 Answers
35
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What does !! mean in ruby?
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John Topley
104k4343 gold badges186186 silver badges234234 bronze badges
answered Feb 7 '09 at 22:05
Alex WayneAle...
How to enter in a Docker container already running with a new TTY
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1106
With docker 1.3, there is a new command docker exec. This allows you to enter a running contain...
Logging raw HTTP request/response in ASP.NET MVC & IIS7
... (this.InnerStream)
{
if (this.CopyStream.Length <= 0L ||
!this.CopyStream.CanRead ||
!this.CopyStream.CanSeek)
{
return String.Empty;
}
long pos = this.CopyStream.Position;
this.C...
Default constructor vs. inline field initialization
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answered Feb 6 '11 at 23:00
davindavin
39.4k77 gold badges7070 silver badges7777 bronze badges
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...ing that is up to 3 characters long when it's first created in SQL Server 2008 R2.
17 Answers
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How to calculate age (in years) based on Date of Birth and getDate()
...see the update below:
try this:
DECLARE @dob datetime
SET @dob='1992-01-09 00:00:00'
SELECT DATEDIFF(hour,@dob,GETDATE())/8766.0 AS AgeYearsDecimal
,CONVERT(int,ROUND(DATEDIFF(hour,@dob,GETDATE())/8766.0,0)) AS AgeYearsIntRound
,DATEDIFF(hour,@dob,GETDATE())/8766 AS AgeYearsIntTrunc
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How do I put a bunch of uncommitted changes aside while working on something else
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edited Jun 30 '16 at 3:19
smoreilly
5555 bronze badges
answered Jul 17 '12 at 9:57
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