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Why are there two kinds of functions in Elixir?
...lt; 0 -> x - y
y -> x + y
end
fun.(2) #=> 3
fun.(-2) #=> 3
Now, let's try something different. Let's try to define different clauses expecting a different number of arguments:
fn
x, y -> x + y
x -> x
end
** (SyntaxError) cannot mix clauses with different arities in functio...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
...t; is probably similar. and less complicated
– alpha_989
Feb 19 '18 at 2:33
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How to find out the number of CPUs using python
...
If you have python with a version >= 2.6 you can simply use
import multiprocessing
multiprocessing.cpu_count()
http://docs.python.org/library/multiprocessing.html#multiprocessing.cpu_count
...
Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access.
...
Add a properties file to IntelliJ's classpath
...Java program from the IntelliJ IDE using the Run->Run menu. It works fine. Now I want to add log4j logging.
10 Answers
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Devise form within a different controller
...
As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you wish to display the form u...
Retrieve specific commit from a remote Git repository
...ged by Junio C Hamano -- gitster -- in commit a9d3493, 01 Jun 2015)
You now have a new config (on the server side)
uploadpack.allowReachableSHA1InWant
Allow upload-pack to accept a fetch request that asks for an object that is reachable from any ref tip. However, note that calculating objec...
Android and XMPP: Currently available solutions [closed]
...er B and receiving messages from user B also that is fine.i switch off my wifi and switch on it again then programatically reconnecting my jabber server and again login my account,after reconnecting I am sending messages to user B that is fine but when user B sending me messages that messages on my ...
How to bind RadioButtons to an enum?
...ureInfo culture)
{
string parameterString = parameter as string;
if (parameterString == null)
return DependencyProperty.UnsetValue;
if (Enum.IsDefined(value.GetType(), value) == false)
return DependencyProperty.UnsetValue;
object parameterValue = Enum.Parse(value.GetT...
Is there any way to not return something using CoffeeScript?
...n wondering about this as I'm presently learning coffeescript. I'm curious if you can shed some light on what the best choice, or what the worst choice would be when preventing the return of a value? Specifically, I have been told the options are to add either return, undefined, or null to the end o...