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Use of 'const' for function parameters
...le variable" may sound as oxymoron, but is standard practice in functional languages, as well as some non-functional ones; see Rust for example: doc.rust-lang.org/book/variable-bindings.html
– Constantin
Jan 29 '17 at 16:49
...
What is difference between functional and imperative programming languages?
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the dif...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
... Internet Explorer 9 at least.
index.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<!-- Suppress browser request for favicon.ico -->
<link rel="shortcut icon"type="image/x-icon" href="data:image/x-icon;,">
...
Why use symbols as hash keys in Ruby?
... Fyi, Symbols will be GCd in the next version of Ruby: bugs.ruby-lang.org/issues/9634
– Ajedi32
Sep 30 '14 at 14:46
2
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How do you know when to use fold-left and when to use fold-right?
...computed, as done in the implementation of List.
In a strictly evaluated language as Scala, a foldRight can easily blow the stack up for large lists, while a foldLeft won't.
Example:
scala> List.range(1, 10000).foldLeft(0)(_ + _)
res1: Int = 49995000
scala> List.range(1, 10000).foldRight...
How to overload std::swap()
...on ought to use the fully-qualified std::swap).
There is a thread on comp.lang.c++.moderated with a long dicussion of the topic. Most of it is about partial specialization, though (which there's currently no good way to do).
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Recommended way to get hostname in Java
...em.err.println(Runtime.getRuntime().exec("hostname")); gives me this: java.lang.UNIXProcess@6eb2384f
– user152468
Apr 23 '15 at 12:31
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What is a “context bound” in Scala?
...]#From](t: T) = 0
f2: [T](t: T)(implicit evidence$1: (T) => java.lang.String)Int
scala> f2(1)
res1: Int = 0
A context bound must be used with a type constructor of kind * => *. However the type constructor Function1 is of kind (*, *) => *. The use of the type alias partially ap...
How to make an Android Spinner with initial text “Select One”?
...dapter newProxy(SpinnerAdapter obj) {
return (SpinnerAdapter) java.lang.reflect.Proxy.newProxyInstance(
obj.getClass().getClassLoader(),
new Class[]{SpinnerAdapter.class},
new SpinnerAdapterProxy(obj));
}
/**
* Intercepts getVie...
How to parse the AndroidManifest.xml file inside an .apk package
... @GREnvoy We are also facing an issue here. We are getting a 'java.lang.ArrayIndexOutOfBoundsException' exception
– Mad
Dec 6 '17 at 11:13
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