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Java: Integer equals vs. ==
As of Java 1.5, you can pretty much interchange Integer with int in many situations.
7 Answers
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Regular expression to extract text between square brackets
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Pass props to parent component in React.js
...: function() {
return {childrenData: [
{childText: "Click me 1!", childNumber: 1},
{childText: "Click me 2!", childNumber: 2}
]};
},
render: function () {
var children = this.state.childrenData.map(function(childData,childIndex) {
return <Child onClick=...
Properly removing an Integer from a List
...ments):
remove(Object o)
remove(int index)
That means that list.remove(1) removes the object at position 1 and remove(new Integer(1)) removes the first occurrence of the specified element from this list.
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How to resolve “You need to have Ruby and Sass installed and in your PATH for this task to work” War
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answered Nov 24 '13 at 17:04
SvenSven
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How to extract extension from filename string in Javascript? [duplicate]
...et the File extension of the file in a variable?
like if I have a file as 1.txt I need the txt part of it.
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How can I get the root domain URI in ASP.NET?
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Android 1.6: “android.view.WindowManager$BadTokenException: Unable to add window — token null is not
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Select first 4 rows of a data.frame in R
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156
Use head:
dnow <- data.frame(x=rnorm(100), y=runif(100))
head(dnow,4) ## default is 6
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