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How to get CSS to select ID that begins with a string (not in Javascript)?
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answered Jul 15 '12 at 23:58
Niet the Dark AbsolNiet the Dark Absol
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How to remove an element from a list by index
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1820
Use del and specify the index of the element you want to delete:
>>> a = [0, 1, 2, 3,...
while (1) Vs. for (;;) Is there a speed difference?
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20 Answers
20
Active
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Efficient list of unique strings C#
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answered May 28 '09 at 1:17
JP AliotoJP Alioto
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Return number of rows affected by UPDATE statements
...mber of rows affected by an UPDATE query in a Stored Procedure (SQL Server 2005), as a resultset. e.g.
3 Answers
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Why are unsigned int's not CLS compliant?
...plemented now in VB8).
To quote:
http://msdn.microsoft.com/en-us/library/12a7a7h3.aspx
The CLS was designed to be large enough to include the language
constructs that are commonly needed by developers, yet small enough
that most languages are able to support it. In addition, any language
construct ...
Why does Sql Server keep executing after raiserror when xact_abort is on?
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edited Oct 10 '13 at 20:25
Ian Boyd
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Can I Set “android:layout_below” at Runtime Programmatically?
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edited Sep 15 '17 at 7:21
Pankaj Lilan
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answere...
Remove an entire column from a data.frame in R
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421
You can set it to NULL.
> Data$genome <- NULL
> head(Data)
chr region
1 chr1 CD...
Grouping functions (tapply, by, aggregate) and the *apply family
... <- matrix(seq(1,16), 4, 4)
# apply min to rows
apply(M, 1, min)
[1] 1 2 3 4
# apply max to columns
apply(M, 2, max)
[1] 4 8 12 16
# 3 dimensional array
M <- array( seq(32), dim = c(4,4,2))
# Apply sum across each M[*, , ] - i.e Sum across 2nd and 3rd dimension
apply(M, 1, sum)
# Result ...