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What does the (unary) * operator do in this Ruby code?
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271
The * is the splat operator.
It expands an Array into a list of arguments, in this case a list ...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...equire me to specify every single parameter to IN directly (as in, "in (:in1, :in2, :in3)").
2 Answers
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Using “label for” on radio buttons
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218
You almost got it. It should be this:
<input type="radio" name="group1" id="r1" value="...
Getting an empty JQuery object
...ates an empty jQuery-object:
$([])
Update:
In newer versions of jQuery (1.4+), you can use:
$()
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How do I flag a method as deprecated in Objective-C 2.0?
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163
Deprecation Syntax
Syntax is provided to mark methods as deprecated:
@interface SomeClass
-m...
How to remove .htaccess password protection from a subdirectory
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154
You need to create a new .htaccess file in the required directory and include the Satisfy any ...
Concatenate a vector of strings/character
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491
Try using an empty collapse argument within the paste function:
paste(sdata, collapse = '')
Th...
What is a 'semantic predicate' in ANTLR?
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170
ANTLR 4
For predicates in ANTLR 4, checkout these stackoverflow Q&A's:
Syntax of semant...
How to declare constant map
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157
Your syntax is incorrect. To make a literal map (as a pseudo-constant), you can do:
var roma...
What is & used for
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130
& is HTML for "Start of a character reference".
&amp; is the character reference for ...