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Returning first x items from array
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but this will not work with associative arrays. the keys get lost.
– ESCOBAR
Jun 6 '14 at 14:40
4
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Why do this() and super() have to be the first statement in a constructor?
Java requires that if you call this() or super() in a constructor, it must be the first statement. Why?
19 Answers
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How to make PDF file downloadable in HTML link?
I am giving link of a pdf file on my web page for download, like below
13 Answers
13
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MySQL high CPU usage [closed]
...probably want to turn off persistent connections as they almost always do more harm than good.
Secondly I'd say you want to double check your MySQL users, just to make sure it's not possible for anyone to be connecting from a remote server. This is also a major security thing to check.
Thirdly I'd...
How to run Ruby code from terminal?
...w lines of Ruby code from terminal, but I can't find the needed parameter for it.
2 Answers
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How to change line width in ggplot?
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Whilst @Didzis has the correct answer, I will expand on a few points
Aesthetics can be set or mapped within a ggplot call.
An aesthetic defined within aes(...) is mapped from the data, and a legend created.
An aesthetic may also be set to a singl...
Why should the copy constructor accept its parameter by reference in C++?
Why must a copy constructor's parameter be passed by reference?
8 Answers
8
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Error: “The node to be inserted is from a different document context”
When I am calling XmlNode.AppendChild() , I get this error:
1 Answer
1
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Difference between @Mock and @InjectMocks
What is the difference between @Mock and @InjectMocks in Mockito framework?
12 Answers
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Javascript Reduce an empty array
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The second parameter is for initial value.
[].reduce(function(previousValue, currentValue){
return Number(previousValue) + Number(currentValue);
}, 0);
or using ES6:
[].reduce( (previousValue, currentValue) => previousValue + currentValue, 0...