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How to avoid null checking in Java?
...tion). Assertions are a highly-underused Java feature that was added in 1.4. The syntax is:
assert <condition>
or
assert <condition> : <object>
where <condition> is a boolean expression and <object> is an object whose toString() method's output will be included ...
How do you find the sum of all the numbers in an array in Java?
...
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 can I include a YAML file inside another?
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jameshfisherjameshfisher
24.3k2020 gold badges8484 silver badges137137 bronze badges
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Install a .NET windows service without InstallUtil.exe
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Ian Kemp
21.9k1414 gold badges9393 silver badges116116 bronze badges
answered Oct 31 '08 at 21:49
Marc Gravell♦Mar...
Best practice: PHP Magic Methods __set and __get [duplicate]
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edited May 30 '13 at 6:41
answered May 31 '11 at 8:30
Ma...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...lementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the memcpy version and the std::...
Find UNC path of a network drive?
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edited Feb 4 '19 at 12:18
Mike B.
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finding and replacing elements in a list
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>>> a= [1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1]
>>> for n, i in enumerate(a):
... if i == 1:
... a[n] = 10
...
>>> a
[10, 2, 3, 4, 5, 10, 2, 3, 4, 5, 10]
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Get Character value from KeyCode in JavaScript… then trim
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edited Nov 25 '13 at 14:58
falgranado
971111 bronze badges
answered Nov 20 '09 at 18:23
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