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Bash: Syntax error: redirection unexpected
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Docker:
I was getting this problem from my Dockerfile as I had:
RUN bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer)
However, according to this issue, it was solved:
The exec form makes it possi...
rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...lution is to fix the core problem which is preventing asset precompilation from occurring.
– David Tuite
Oct 27 '11 at 22:50
5
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Create a CSS rule / class with jQuery at runtime
...jected in the header, you can retrieve it anywhere in your page, includind from PHP.
– Brice Coustillas
Sep 30 '17 at 16:29
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Why would anyone use set instead of unordered_set?
...can see that in some case unordered_set is more complicated.
Mainly cited from:
https://www.geeksforgeeks.org/set-vs-unordered_set-c-stl/
https://stackoverflow.com/a/29855973/6329006
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improv...
How do I make a LinearLayout scrollable?
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@JoaoFilipeClementeMartins if you aren't going to benefit from the adapter functionality of the ListView, then you can simply add all the elements of your list in a LinearLayout wrapper to make it feel all streamlined in the scrollable box along with other elements.
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How can I search sub-folders using glob.glob module?
...s. You could use glob.iglob() to return paths one by one. Or use pathlib:
from pathlib import Path
path = Path(r'C:\Users\sam\Desktop')
txt_files_only_subdirs = path.glob('*/*.txt')
txt_files_all_recursively = path.rglob('*.txt') # including the current dir
Both methods return iterators (you can...
What does upstream mean in nginx?
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It's used for proxying requests to other servers.
An example from http://wiki.nginx.org/LoadBalanceExample is:
http {
upstream myproject {
server 127.0.0.1:8000 weight=3;
server 127.0.0.1:8001;
server 127.0.0.1:8002;
server 127.0.0.1:8003;
}
server {
lis...
How do you check if a JavaScript Object is a DOM Object?
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All solutions above and below (my solution including) suffer from possibility of being incorrect, especially on IE — it is quite possible to (re)define some objects/methods/properties to mimic a DOM node rendering the test invalid.
So usually I use the duck-typing-style testing: I t...
Repeating characters in VIM insert mode
... There's also the :normal command which lets you issue them from the command prompt. Occasionally quite useful.
– Mark Reed
Sep 3 '15 at 19:31
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How to create a responsive image that also scales up in Bootstrap 3
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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