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SQL error “ORA-01722: invalid number”
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What is the use of “ref” for reference-type variables in C#?
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answered Jun 7 '09 at 11:13
user7116user7116
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how can I Update top 100 records in sql server
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edited May 23 '14 at 22:26
Sean
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How to count TRUE values in a logical vector
...m(z) # gives you NA
table(z)["TRUE"] # gives you 1
length(z[z == TRUE]) # f3lix answer, gives you 2 (because NA indexing returns values)
So I think the safest is to use na.rm = TRUE:
sum(z, na.rm = TRUE) # best way to count TRUE values
(which gives 1). I think that table solution is less effici...
When is TCP option SO_LINGER (0) required?
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edited Apr 30 '15 at 11:18
OJ.
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Programmer Puzzle: Encoding a chess board state throughout a game
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How do I make a Git commit in the past?
...nal format = <unix timestamp> <time zone offset>, e.g. 1112926393 +0200
RFC 2822 = e.g. Thu, 07 Apr 2005 22:13:13 +0200
ISO 8601 = e.g. 2005-04-07T22:13:13
The only command that writes a new commit during normal use is git commit. It also has a --date option that...
Get type of a generic parameter in Java with reflection
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edited Jan 4 '15 at 11:38
Aubin
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answered Dec ...
val() vs. text() for textarea
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edited Jan 14 '12 at 3:26
Christophe
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Fastest way to serialize and deserialize .NET objects
...er=2)]
public List<TE> TEs { get; set; }
[XmlElement(Order = 3)]
public string Code { get; set; }
[XmlElement(Order = 4)]
public string Message { get; set; }
[XmlElement(Order = 5)]
public DateTime StartDate { get; set; }
[XmlElement(Order = 6)]
public DateT...
