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What does @@variable mean in Ruby?
What are Ruby variables preceded with double at signs ( @@ )? My understanding of a variable preceded with an at sign is that it is an instance variable, like this in PHP:
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Can the Unix list command 'ls' output numerical chmod permissions?
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For creating it as an alias (example below: 'cls' command), use: alias cls="ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr(\$1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf(\"%0o \",k);print}'"
– danger89
Mar 6 '14 at 16:15
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Get day of week in SQL Server 2005/2008
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finding this answer today, and it creeps me out that the sample result on your answer matches mine, then found out that days on july 2009 is the same as days today (july 2020), anyways thanks for the easy answer.
– Henry
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How to avoid type safety warnings with Hibernate HQL results?
...pressWarnings into one place:
List<Cat> cats = MyHibernateUtils.listAndCast(q);
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public static <T> List<T> listAndCast(Query q) {
@SuppressWarnings("unchecked")
List list = q.list();
return list;
}
Prevent Eclipse from generating warnings for unavoidable problem...
What is a correct mime type for docx, pptx etc?
...ication/vnd.ms-access
For further details check out this TechNet article and this blog post.
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How to set time zone of a java.util.Date?
...teFormat object, to tell it in which timezone you want to display the date and time.
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Heatmap in matplotlib with pcolor?
...urce : http://flowingdata.com/2010/01/21/how-to-make-a-heatmap-a-quick-and-easy-solution/
#
# Other Links:
# http://stackoverflow.com/questions/14391959/heatmap-in-matplotlib-with-pcolor
#
# ------------------------------------------------------------------------
import matplotlib.pyplot as...
How to solve “The specified service has been marked for deletion” error
I try to remove a Windows Service with sc delete <service name> , and encounter the following error:
21 Answers
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How to reset / remove chrome's input highlighting / focus border? [duplicate]
... edited Aug 8 '16 at 14:20
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered May 31 '10 at 12:41
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data.frame rows to a list
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Like this:
xy.list <- split(xy.df, seq(nrow(xy.df)))
And if you want the rownames of xy.df to be the names of the output list, you can do:
xy.list <- setNames(split(xy.df, seq(nrow(xy.df))), rownames(xy.df))
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