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How do you represent a JSON array of strings?
...hy":null} ]
{
"not true": [0, false],
"true": true,
"not null": [0, 1, false, true, {
"obj": null
}, "a string"]
}
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java: (String[])List.toArray() gives ClassCastException
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251
This is because when you use
toArray()
it returns an Object[], which can't be cast to a Str...
Using new line(\n) in string and rendering the same in HTML
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edited Oct 4 '16 at 0:35
Felix Kling
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ReadOnlyCollection or IEnumerable for exposing member collections?
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edited Aug 17 '17 at 17:26
answered Jan 29 '09 at 13:32
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Scala list concatenation, ::: vs ++
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Legacy. List was originally defined to be functional-languages-looking:
1 :: 2 :: Nil // a list
list1 ::: list2 // concatenation of two lists
list match {
case head :: tail => "non-empty"
case Nil => "empty"
}
Of course, Scala evolved other collections, in an ad-hoc manner....
A simple command line to download a remote maven2 artifact to the local repository?
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170
Since version 2.1 of the Maven Dependency Plugin, there is a dependency:get goal for this purp...
Can't connect to MySQL server error 111 [closed]
I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
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Why can't decimal numbers be represented exactly in binary?
... SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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HTML anchor link - href and onclick both?
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130
Just return true instead?
The return value from the onClick code is what determines whether t...
ActiveRecord, has_many :through, and Polymorphic Associations
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162
There is a known issue with Rails 3.1.1 that breaks this functionality. If you are having this...