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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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Prepend a level to a pandas MultiIndex
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138
A nice way to do this in one line using pandas.concat():
import pandas as pd
pd.concat([df], k...
Use curly braces to initialize a Set in Python
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103
There are two obvious issues with the set literal syntax:
my_set = {'foo', 'bar', 'baz'}
It'...
How many bytes does one Unicode character take?
...ion. Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The other enco...
Android:What is difference between setFlags and addFlags for intent
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3 Answers
3
Active
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Output array to CSV in Ruby
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330
To a file:
require 'csv'
CSV.open("myfile.csv", "w") do |csv|
csv << ["row", "of", "C...
Use a LIKE statement on SQL Server XML Datatype
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answered Dec 2 '09 at 13:45
marc_smarc_s
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Decompressing GZip Stream from HTTPClient Response
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3 Answers
3
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Get fully qualified class name of an object in Python
...as, the module name is explicitly excluded from __qualname__
# in Python 3.
module = o.__class__.__module__
if module is None or module == str.__class__.__module__:
return o.__class__.__name__ # Avoid reporting __builtin__
else:
return module + '.' + o.__class__.__name__
bar = foo...
How to inject dependencies into a self-instantiated object in Spring?
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skaffmanskaffman
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