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Providing a default value for an Optional in Swift?
... the type contained in the Optional. As it stands, type inferencing sets T based on the parameter given to getOrElse, and then fails at runtime if this does not match the Optional and the Optional is non-nil:
let x: Int?
let y = x.getOrElse(1.414) // y inferred as Double, assigned 1.414
let a: In...
Contributing to project on github, how to “rebase my pull request on top of master”
...like with a git pull, prior to rebasing onto master, or more simply just rebase onto upstream/master.
I.e:
git checkout master
git pull upstream master
git checkout feature
git rebase master
or
git checkout feature
git rebase upstream/master
Update:
After fixing your local feature branch, yo...
Annotating text on individual facet in ggplot2
...rs, aes(qsec, mpg)) +
geom_point() +
facet_grid(. ~ am) +
theme_bw(base_size = 12)
# install.packages('egg', dependencies = TRUE)
library(egg)
Tag inside
Default
tag_facet(p)
Note: if you want to keep the strip text and background, try adding strip.text and strip.background back i...
How to change the style of alert box?
...>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link rel="stylesheet" href="/resources/demos/style.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/j...
Best architectural approaches for building iOS networking applications (REST clients)
...for this. But you should not forget, that Core Data is not an ORM or a database, but an object graph manager with persistence as a good option of it. So, very often Core Data can be too heavy for your needs and you can look at new solutions such as Realm and Couchbase Lite, or build your own lightw...
How to add multiple objects to ManyToMany relationship at once in Django ?
Based on the Django doc, I should be able to pass multiple objects at once to be added to a manytomany relationship but I get a
...
Methods inside enum in C#
...ployeeType() { }
private EmployeeType(int value, string displayName) : base(value, displayName) { }
// Your method...
public override string ToString()
{
return $"{value} - {displayName}!";
}
}
Then you can use it like an enum, with the possibility to put methods insid...
What browsers support HTML5 WebSocket API?
...ywebsockets
websockify
gevent-websocket, gevent-socketio and flask-sockets based on the former
Autobahn
Tornado
In C:
libwebsockets
In Node.js:
Socket.io : Socket.io also has serverside ports for Python, Java, Google GO, Rack
sockjs : sockjs also has serverside ports for Python, Java, Erlang...
I want my android application to be only run in portrait mode?
...
@EduardoCoelho you can actually make a base class PortraitActivity and in onCreate call setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) All activities extending this won't rotate
– Twinone
Jun 6 '14 at 9:07
...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...e autocompletion, the looking up of definitions, navigation of source code base or the previewing of doc-strings.
5 Answers...