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How do I make a matrix from a list of vectors in R?
...ne option is to use do.call():
> do.call(rbind, a)
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1 1 2 3 4 5
[2,] 2 1 2 3 4 5
[3,] 3 1 2 3 4 5
[4,] 4 1 2 3 4 5
[5,] 5 1 2 3 4 5
[6,] 6 1 2 3 ...
typedef struct vs struct definitions [duplicate]
...
1073
The common idiom is using both:
typedef struct S {
int x;
} S;
They are different defi...
SQL Server : Columns to Rows
...
indicatorvalue
for indicatorname in (Indicator1, Indicator2, Indicator3)
) unpiv;
Note, the datatypes of the columns you are unpivoting must be the same so you might have to convert the datatypes prior to applying the unpivot.
You could also use CROSS APPLY with UNION ALL to convert the col...
sed: print only matching group
...eplaced with the contents of the group
echo "foo bar <foo> bla 1 2 3.4" |
sed -n 's/.*\([0-9][0-9]*[\ \t][0-9.]*[ \t]*$\)/\1/p'
2 3.4
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IllegalMonitorStateException on wait() call
I am using multi-threading in java for my program.
I have run thread successfully but when I am using Thread.wait() , it is throwing java.lang.IllegalMonitorStateException .
How can I make a thread wait until it will be notified?
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Put content in HttpResponseMessage object?
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answered Sep 3 '12 at 1:04
Jim O'NeilJim O'Neil
21.5k66 gold badges3636 silver badges6161 bronze badges
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Formatting a number with leading zeros in PHP [duplicate]
I have a variable which contains the value 1234567 .
12 Answers
12
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Convert Iterator to ArrayList
...
364
Better use a library like Guava:
import com.google.common.collect.Lists;
Iterator<Element...
Changing Java Date one hour back
...k = cal.getTime();
java.util.Date
new Date(System.currentTimeMillis() - 3600 * 1000);
org.joda.time.LocalDateTime
new LocalDateTime().minusHours(1)
Java 8: java.time.LocalDateTime
LocalDateTime.now().minusHours(1)
Java 8 java.time.Instant
// always in UTC if not timezone set
Instant.now(...
How to convert a selection to lowercase or uppercase in Sublime Text
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answered Sep 12 '13 at 20:36
arturomparturomp
25k1010 gold badges3636 silver badges6363 bronze badges
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