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What does `:_*` (colon underscore star) do in Scala?
...Child - sequence
: - type ascription, a hint that helps compiler to understand, what type does that expression have
_* - placeholder accepting any value + vararg operator
child ++ newChild : _* expands Seq[Node] to Node* (tells the compiler that we're rather working with a varargs, than a sequence...
Running multiple commands with xargs
In the example above, xargs takes echo % as the command argument. But in some cases, I need multiple commands to process the argument instead of one. For example:
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How do I make the scrollbar on a div only visible when necessary?
...ote, you can also specify for only the x, or y scrollbar: overflow-x: auto and overflow-y: auto).
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How to use SQL Order By statement to sort results case insensitive?
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Is there any difference between 'UPPER' and 'LOWER'
– Jagadeesh
Apr 8 '13 at 15:38
2
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How to update only one field using Entity Framework?
...lude to use db.Entry(user).Property(x => x.Password).IsModified = true; and not db.Entry(user).Property("Password").IsModified = true;
– Johan
Aug 14 '13 at 19:43
5
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How to sort an array by a date property
...plest Answer
array.sort(function(a,b){
// Turn your strings into dates, and then subtract them
// to get a value that is either negative, positive, or zero.
return new Date(b.date) - new Date(a.date);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_before_o2) return -1...
How to pass a class type as a function parameter
I have a generic function that calls a web service and serialize the JSON response back to an object.
6 Answers
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indexOf method in an object array?
...ed every iteration anew. See also stackoverflow.com/questions/5349425/… and stackoverflow.com/questions/8452317/… However, if performance is not high prio it doesn't really matter.
– loother
Apr 20 '16 at 15:09
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Can git be integrated with Xcode?
...ed Jan 12 '15 at 18:48
Hans Ekbrand
38733 silver badges1212 bronze badges
answered Jun 17 '10 at 19:47
TodKTod...
Sequelize.js delete query?
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For anyone using Sequelize version 3 and above, use:
Model.destroy({
where: {
// criteria
}
})
Sequelize Documentation - Sequelize Tutorial
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