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Kotlin: how to pass a function as parameter to another?
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Use :: to signify a function reference, and then:
fun foo(m: String, bar: (m: String) -> Unit) {
bar(m)
}
// my function to pass into the other
fun buz(m: String) {
println("another message: $m")
}
// someone passing buz into foo
fun something() {
foo("hi", ::buz)
}
Since Ko...
Using switch statement with a range of value in each case?
...h statement where each case contains more than one value? For example (though clearly the following code won't work):
17 An...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...umns in Linq to SQL is a little different.
var query =
from t1 in myTABLE1List // List<TABLE_1>
join t2 in myTABLE1List
on new { t1.ColumnA, t1.ColumnB } equals new { t2.ColumnA, t2.ColumnB }
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You have to take advantage of anonymous types and compose a type for the mult...
Find out a Git branch creator
I want to find out who created a branch.
11 Answers
11
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Determining the size of an Android view at runtime
... animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to different sizes depending on input from the user. My layout is defined in XML.
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
I'm creating a colored image like this:
7 Answers
7
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Passing an array as a function parameter in JavaScript
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Michał Perłakowski
63.1k2121 gold badges133133 silver badges148148 bronze badges
answered May 18 '10 at 9:44
KaptajnKoldKaptajnKold
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...t cast you should attempt to use. It does things like implicit conversions between types (such as int to float, or pointer to void*), and it can also call explicit conversion functions (or implicit ones). In many cases, explicitly stating static_cast isn't necessary, but it's important to note that ...
Getting a random value from a JavaScript array
... one-liner
const randomElement = array[Math.floor(Math.random() * array.length)];
Example
const months = ["January", "February", "March", "April", "May", "June", "July"];
const random = Math.floor(Math.random() * months.length);
console.log(random, months[random]);
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Grouping functions (tapply, by, aggregate) and the *apply family
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R has many *apply functions which are ably described in the help files (e.g. ?apply). There are enough of them, though, that beginning useRs may have difficulty deciding which one is appropriate for their situation or even remembering them all. They may have a gen...