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How to Iterate over a Set/HashSet without an Iterator?
...);
people.add(new Person("Tharindu", 10));
people.add(new Person("Martin", 20));
people.add(new Person("Fowler", 30));
Person Model Class
public class Person {
private String name;
private int age;
public Person(String name, int age) {
this.name = name;
this.age =...
Inserting a Python datetime.datetime object into MySQL
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200
For a time field, use:
import time
time.strftime('%Y-%m-%d %H:%M:%S')
I think strftime ...
Regex lookahead, lookbehind and atomic groups
...ounds.
– Tom Coughlin
May 23 '19 at 20:49
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show 3 more comments
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Apply a function to every row of a matrix or a data frame
...ument (as Dirk already suggested):
set.seed(1)
m <- matrix(round(runif(20, 1, 5)), ncol=4)
diag(m) <- NA
m
[,1] [,2] [,3] [,4]
[1,] NA 5 2 3
[2,] 2 NA 2 4
[3,] 3 4 NA 5
[4,] 5 4 3 NA
[5,] 2 1 4 4
Then you can do something like thi...
Simple Pivot Table to Count Unique Values
...
UPDATE: You can do this now automatically with Excel 2013. I've created this as a new answer because my previous answer actually solves a slightly different problem.
If you have that version, then select your data to create a pivot table, and when you create your table, make s...
Number of rows affected by an UPDATE in PL/SQL
...ioning by null help?
– nanosoft
Mar 20 '17 at 9:02
add a comment
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Ajax success event not working
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20
Although the problem is already solved i add this in the hope it will help others.
I made the ...
A dependent property in a ReferentialConstraint is mapped to a store-generated column
... error I got.
– jocull
Jan 9 '12 at 20:12
3
Doh! I had left the foreign key part of the relations...
Uint8Array to string in Javascript
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AlbertAlbert
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reducing number of plot ticks
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Mr. T
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answered Nov 16 '12 at 14:51
bgamaribgamari
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