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How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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How to convert a table to a data frame
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324
I figured it out already:
as.data.frame.matrix(mytable)
does what I need -- apparently, th...
Spring Boot Rest Controller how to return different HTTP status codes?
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answered Jun 18 '14 at 18:31
Jakub KubrynskiJakub Kubrynski
12.2k33 gold badges5353 silver badges7878 bronze badges
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C# binary literals
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Drew Noakes
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answered May 8 '14 at 15:37
BTownTKDBTownTK...
What's the best way to detect a 'touch screen' device using JavaScript?
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36 Answers
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How can I suppress column header output for a single SQL statement?
...ect * from names;
+------+-------+
| 1 | pete |
| 2 | john |
| 3 | mike |
+------+-------+
3 rows in set (0.00 sec)
Credit to ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated...
How do I get current URL in Selenium Webdriver 2 Python?
...se current_url element for Python 2:
print browser.current_url
For Python 3 and later versions of selenium:
print(driver.current_url)
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SSO with CAS or OAuth?
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edited Dec 11 '17 at 13:13
answered Jul 5 '10 at 18:42
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What do single quotes do in C++ when used on multiple characters?
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It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char is a multichara...