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What is the difference between self-types and trait subclasses?
...is extended, then you're required to mix-in an A.
When a concrete class finally extends/mixes-in these traits, some class/trait must implement A.
Consider the following examples:
scala> trait User { def name: String }
defined trait User
scala> trait Tweeter {
| user: User =>
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Generate a random double in a range
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This is generally correct, but beware of its limits. If you do double rangeMax= Double.MAX_VALUE; and double rangeMin= -rangeMax; you will always get an infinite value in return. You might want to check for Double.valueOf(rangeMax-range...
Determine command line working directory when running node bin script
I am creating a node command line interface. It is installed globally and uses a bin file to execute.
5 Answers
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Can I incorporate both SignalR and a RESTful API?
... of the web methods to be push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page.
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Static fields on a null reference in Java
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@JonofAllTrades I think this is obvious: it is reasonable to not throw any exceptions when calling on a null reference because it doesn't matter since the method is static.
– Malcolm
Jul 20 '1...
How to execute a java .class from the command line
...his:
> java MyApp.java
You don't have to compile beforehand, as it's all done in one step.
You can get the Java 11 JDK here: JDK 11 GA Release
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Difference between jQuery’s .hide() and setting CSS to display: none
...play", "none") , but what’s the difference and what are both of them actually doing to the HTML element?
7 Answers
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How to execute Python scripts in Windows?
...T\.py\OpenWithProgids being set to something VisualStudio related, specifically when I try to run Python scripts in my AppVeyor tests. See help.appveyor.com/discussions/problems/….
– Jack O'Connor
Dec 21 '15 at 20:07
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Force HTML5 youtube video
...t;</iframe>
The video will be displayed as HTML5 if available, or fallback into flash player.
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Changing selection in a select with the Chosen plugin
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From the "Updating Chosen Dynamically" section in the docs: You need to trigger the 'chosen:updated' event on the field
$(document).ready(function() {
$('select').chosen();
$('button').click(function() {
$('select').val(2);
$('sel...