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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
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Following are the three commands which appears same but have minute differences
hadoop fs {ar...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
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edited Oct 8 '18 at 14:13
answered Jun 17 '11 at 16:11
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What is the explicit promise construction antipattern and how do I avoid it?
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answered May 22 '14 at 10:07
Benjamin GruenbaumBenjamin Gruenbaum
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Why in Java 8 split sometimes removes empty strings at start of result array?
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The behavior of String.split (which calls Pattern.split) changes between Java 7 and Java 8.
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What does `someObject.new` do in Java?
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JayQuerie.com
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answered Mar 30 '13 at 23:32
Ian RobertsIan Roberts
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jQuery count child elements
... of .length
– Eric Kigathi
Mar 18 '14 at 23:45
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val-mutable versus var-immutable in Scala
...aniel C. SobralDaniel C. Sobral
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What are the differences between 'call-template' and 'apply-templates' in XSL?
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4 Answers
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Reverse Range in Swift
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Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a range
for i in (1...5).reversed() { print(i) } // 5 4 3 2 1
Or stride(from:through:by:) method
for i in stride(from:5,through:1,by:-1) { print(i) } // 5 4 3 2 1
stide(from:to:b...
NSObject +load and +initialize - What do they do?
...urn 0;
}
This program prints two lines of output:
2012-11-10 16:18:38.984 testApp[7498:c07] in Superclass initialize; self = Superclass
2012-11-10 16:18:38.987 testApp[7498:c07] in Superclass initialize; self = Subclass
Since the system sends the initialize method lazily, a class won't receive ...