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What are the differences between vector and list data types in R?
...stions are answered in http://www.burns-stat.com/pages/Tutor/hints_R_begin.html
It is meant to be a gentle introduction that gets you up and running with R as quickly as possible. To some extent it succeeds.
--- Edit: --
An attempt to explain further; quoted from the above reference.
Atomic...
Making text background transparent but not text itself
...ostfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C...
Get original URL referer with PHP?
...are still will be there.
Put that code at the begin of a page (before any html output, as cookies will be properly set only before any echo/print):
if(!isset($_COOKIE['origin_ref']))
{
setcookie('origin_ref', $_SERVER['HTTP_REFERER']);
}
Then you can access it later:
$var = $_COOKIE['origin...
Turning off “created by” stamp when generating files in IntelliJ
...ion for adding variables: jetbrains.com/help/idea/file-template-variables.html
– Mercury
Jul 29 '19 at 8:13
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Cannot get to $rootScope
...er (you could even generate it as a JS file, rather then inlining into the html file). Then, your app loads this module and therefore has access to appRoot.
– Vojta
Aug 22 '13 at 19:21
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Random / noise functions for GLSL
...rnette.com) and ask him to change his link on davidcornette.com/glsl/links.html to link to your source repo. I'll email him too.
– LarsH
Nov 20 '12 at 19:27
1
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Cassandra port usage - how are the ports used?
...17 to the official documentation cassandra.apache.org/doc/latest/faq/index.html#what-ports
– Johnride
Jan 30 '17 at 16:40
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Doing something before program exit
...
Check out the atexit module:
http://docs.python.org/library/atexit.html
For example, if I wanted to print a message when my application was terminating:
import atexit
def exit_handler():
print 'My application is ending!'
atexit.register(exit_handler)
Just be aware that this works g...
The key must be an application-specific resource id
...to http://developer.android.com/guide/topics/resources/available-resources.html and http://developer.android.com/guide/topics/resources/more-resources.html for more information.
My suggestion is that you create a new file called values/tags.xml and write:
<resources xmlns:android="http://sc...
Target elements with multiple classes, within one rule
I have some HTML that would have elements with multiple classes, and I need to assign them within one rule, so that the same classes could be different within different containers. Say I have this in my CSS:
...