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foreach vs someList.ForEach(){}
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other.
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How do I replace NA values with zeros in an R dataframe?
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@RenatoDinhaniConceição: if you tried something already, it's helpful to share that information when you ask the question; it helps to narrow down where the problem may be.
– Aaron left Stack Overflow
Nov...
Deciding between HttpClient and WebClient
...ming model
being worked on by Henrik F Nielson who is basically one of the inventors of HTTP, and he designed the API so it is easy for you to follow the HTTP standard, e.g. generating standards-compliant headers
is in the .Net framework 4.5, so it has some guaranteed level of support for the forsee...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...y easy to wrap if you want to push it up more levels; you could create a façade around the async methods and wrap them with a single method that uses an Action<T> as a callback, for example. If you mean that the choice of whether to use a worker thread or I/O thread happens at the lowest lev...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
... meant "Object[] arr = new Integer[1];".
– Emre Sevinç
Jan 2 '13 at 13:46
2
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Java's Interface and Haskell's type class: differences and similarities?
...s of Programming, there's an interview about Haskell with Phil Wadler, the inventor of type classes, who explain the similarities between interfaces in Java and type classes in Haskell:
A Java method like:
public static <T extends Comparable<T>> T min (T x, T y)
{
if (...
Reverse a string in Python
...ist(reversed(s))) may be slightly faster.
– Jean-François Fabre♦
Dec 11 '17 at 21:34
Do you have any info on why [:...
What is the list of supported languages/locales on Android?
... [Dutch (Belgium)]
nl_BQ [Dutch (Caribbean Netherlands)]
nl_CW [Dutch (Curaçao)]
nl_NL [Dutch (Netherlands)]
nl_SR [Dutch (Suriname)]
nl_SX [Dutch (Sint Maarten)]
nmg_ [Kwasio]
nmg_CM [Kwasio (Cameroon)]
nn_ [Norwegian Nynorsk]
nn_NO [Norwegian Nynorsk (Norway)]
nnh_ [Ngiemboon]
nnh_CM [Ngiemboon (...
When should one use a 'www' subdomain?
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When the inventor of the World Wide Web wishes he'd dropped the two forward slashes to save paper and human labour, it's clear we should drop www. wherever possible.
– rybo111
Mar 15 '16 at 12:31...
What is null in Java?
...ssed as answer to another question.
I will end this with a quote from the inventor of null himself, C.A.R Hoare (of quicksort fame):
I call it my billion-dollar mistake. It was the invention of the null reference in 1965. At that time, I was designing the first comprehensive type system for ref...