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How can I remove all objects but one from the workspace in R?
I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ?
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Including non-Python files with setup.py
...ory:
include requirements.txt
recursive-include data *
Nevertheless, in order for these files to be copied at install time to the package’s folder inside site-packages, you’ll need to supply include_package_data=True to the setup() function. See Adding Non-Code Files for more information.
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Grep only the first match and stop
...u can pipe grep result to head in conjunction with stdbuf.
Note, that in order to ensure stopping after Nth match, you need to using stdbuf to make sure grep don't buffer its output:
stdbuf -oL grep -rl 'pattern' * | head -n1
stdbuf -oL grep -o -a -m 1 -h -r "Pulsanti Operietur" /path/to/dir | he...
Using an if statement to check if a div is empty
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It depends what you mean by empty.
To check if there is no text (this allows child elements that are empty themselves):
if ($('#leftmenu').text() == '')
To check if there are no child elements or text:
if ($('#leftmenu').contents().length == 0)
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What is git actually doing when it says it is “resolving deltas”?
...on't want to have to play back every single change ever on a given file in order to get the current version, so Git also has occasional snapshots of the file contents stored as well. "Resolving deltas" is the step that deals with making sure all of that stays consistent.
Here's a chapter from the "...
Can you supply arguments to the map(&:method) syntax in Ruby?
You're probably familiar with the following Ruby shorthand ( a is an array):
7 Answers
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How to add texture to fill colors in ggplot2
...t addresses the texture issue in a very basic fashion:
ggplot2: make the border on one bar darker than the others using R
EDIT: I've finally found time to give a brief example of this hack that allows at least 3 types of basic pattern in ggplot2. The code:
Example.Data<- data.frame(matrix(vect...
How to play a local video with Swift?
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class ViewController: UIViewController {
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
playVideo()
}
private func playVideo() {
guard let path = Bundle.main.path(forResource: "video", ofType:"m4v") else {
debugPrint("...
About Java cloneable
...are looking for, you'll still need to implement your own clone() method in order to make it public.
When implementing your own clone(), the idea is to start with the object create by super.clone(), which is guaranteed to be of the correct class, and then do any additional population of fields in ca...
How to export query result to csv in Oracle SQL Developer?
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@topr Use method 1, then select all, copy and paste into a text editor and save as csv. You might even be able to paste directly into Excel, but I'm not sure about that.
– Travis
Jan 3 '14 at 20:08
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