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Easy idiomatic way to define Ordering for a simple case class
... of sorting extend case class with Ordered trait, as @Keith said.
Define a custom ordering. The benefit of this solution is that you can reuse orderings and have multiple ways to sort instances of the same class:
case class A(tag:String, load:Int)
object A {
val lexicographicalOrdering = Orderi...
How to have Emacs auto-refresh all buffers when files have changed on disk?
...e is GNU Emacs 25.1.1 on Windows 7):
Click "Options" in menubar
Select "Customize Emacs"
Select "Saved Options"
Then you should see a search field where you enter "global-auto-revert-mode" and press "Search" button
Click "Toggle" button and make sure it reads "on" to the right of the button
Press...
How to add a touch event to a UIView?
...in a circular direction)
In addition to these, you can also make your own custom gesture recognizer.
Adding a Gesture in the Interface Builder
Drag a gesture recognizer from the object library onto your view.
Control drag from the gesture in the Document Outline to your View Controller code in ord...
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
...g regex, we now have URLSearchParams, which does all of this for us, so no custom code, let alone regex, are necessary anymore.
– Mike 'Pomax' Kamermans
Browser support is listed here https://caniuse.com/#feat=urlsearchparams
I would suggest an alternative regex, using sub-groups to ca...
Make the first letter uppercase inside a django template
...case only the first letter of the whole string, you should create your own custom filter.
You could create a filter like this (follow the instructions on how to create a custom template filter from this doc - it's quite simple):
# yourapp/templatetags/my_filters.py
from django import template
reg...
ng-repeat finish event
...
Here's a simple approach using ng-init that doesn't even require a custom directive. It's worked well for me in certain scenarios e.g. needing to auto-scroll a div of ng-repeated items to a particular item on page load, so the scrolling function needs to wait until the ng-repeat has finished...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...olution to this problem. It works with both the built-in XmlSerializer and custom XML serialization via IXmlSerialiazble.
To wit, I'll use the same MyTypeWithNamespaces XML sample that's been used in the answers to this question so far.
[XmlRoot("MyTypeWithNamespaces", Namespace="urn:Abracadabra",...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...simple full text search setup, Sphinx is a better choice.
If you want to customize your search at all, Elasticsearch and Solr are the better choices. They are very extensible: you can write your own plugins to adjust result scoring.
Some example usages:
Sphinx: craigslist.org
Solr: Cnet, Netfl...
How to set selected value of jquery select2?
...e results into the format expected by Select2
// since we are using custom formatting functions we do not need to
// alter the remote JSON data, except to indicate that infinite
// scrolling can be used
params.page = params.page || 1;
return {
results: d...
How is pattern matching in Scala implemented at the bytecode level?
...e two arguments and assigning to two variables l and r but see below about custom extractors
case "hello" // equality check
case _ : Foo // instance of check
case x => // assignment to a fresh variable
case _ => // do nothing, this is the tail else on the if/else
There's much more that you ...