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Booleans, conditional operators and autoboxing
...nd operand to boolean)
E2: `true ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Operator ? :
For E1, the types of the 2nd and 3rd operands are Boolean and boolean respectively, so this clause applies:
If one of the...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
...ize method from 'active_support'.
>> time = Time.new
=> Fri Oct 03 01:24:48 +0100 2008
>> time.strftime("%a %b #{time.day.ordinalize}")
=> "Fri Oct 3rd"
Note, if you are using IRB with Ruby 2.0, you must first run:
require 'active_support/core_ext/integer/inflections'
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How to output a comma delimited list in jinja python template?
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List of special characters for SQL LIKE clause
...ons => [0-9] Instead you need to specify each character like this : [0123456789]
– Çağdaş Tekin
Apr 3 '09 at 5:13
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How do I get a plist as a Dictionary in Swift?
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In swift 3.0 Reading from Plist.
func readPropertyList() {
var propertyListFormat = PropertyListSerialization.PropertyListFormat.xml //Format of the Property List.
var plistData: [String: AnyObject] = [:] //Our data
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git working on two branches simultaneously
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edited Jun 3 at 2:09
Devin G Rhode
17.3k66 gold badges3737 silver badges4848 bronze badges
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
I have a = [1,2,3,4] and I want d = {1:0, 2:0, 3:0, 4:0}
5 Answers
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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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What does “fragment” mean in ANTLR?
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A fragment is somewhat akin to an inline function: It makes the grammar more readable and easier...
Convert a Python list with strings all to lowercase or uppercase
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