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What is the difference between JavaConverters and JavaConversions in Scala?
...s got @deprecated in Scala 2.13.0. Use scala.jdk.CollectionConverters instead.
JavaConversions provide a series of implicit methods that convert between a Java collection and the closest corresponding Scala collection, and vice versa. This is done by creating wrappers that implement either the Scal...
Error handling in Bash
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Charles DuffyCharles Duffy
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Multi-line commands in GHCi
...re for you. In your example, the following is sufficient:
Prelude> let addTwo x y = x + y
If you really want a definition with a type signature, or your definition spans over multiple lines, you can do this in ghci:
Prelude> :{
Prelude| let addTwo :: Int -> Int -> Int
Prelude| ad...
Is there a Java equivalent to C#'s 'yield' keyword?
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The two options I know of is Aviad Ben Dov's infomancers-collections library from 2007 and Jim Blackler's YieldAdapter library from 2008 (which is also mentioned in the other answer).
Both will allow you to write code with yield return-like construct in Ja...
Why are my JavaScript function names clashing?
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Wilfred Hughes
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answered May 27 '14 at 12:24
Benjamin GruenbaumBenjamin...
Why should I use tags vs. release/beta branches for versioning?
...ed branches.
Practically, tags are branches without branches anyway, just adding a way to reference a specific version of the project to reduce complexity.
Edit: Here is a nice way to use git that I use for all my projects.
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“Eliminate render-blocking CSS in above-the-fold content”
... successful. Things like deferring scripts worked beautifully, since I already had an in-house version of jQuery's .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular function and move the full scripts to the end of the page. That worked great.
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Why is creating a Thread said to be expensive?
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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When should I use double instead of decimal?
I can name three advantages to using double (or float ) instead of decimal :
12 Answers
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Getting multiple keys of specified value of a generic Dictionary?
...ic IList<TSecond> EmptySecondList = new TSecond[0];
public void Add(TFirst first, TSecond second)
{
IList<TFirst> firsts;
IList<TSecond> seconds;
if (!firstToSecond.TryGetValue(first, out seconds))
{
seconds = new List<TSecond...