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What does $@ mean in a shell script?
...ing how $@ behaves in the shell is word splitting. The shell splits tokens based on the contents of the IFS variable. Its default value is \t\n; i.e., whitespace, tab, and newline.
Expanding "$@" gives you a pristine copy of the arguments passed. However, expanding $@ will not always. More specific...
iOS White to Transparent Gradient Layer is Gray
...le white/black (or really any color with light/dark appearances) gradients based on light/dark mode in iOS 13 that this approach also works with the new system colors:
gradientLayer.colors = [
UIColor.systemBackground.cgColor,
UIColor.systemBackground.withAlphaComponent(0).cgColor]
...
Replace first occurrence of string in Python
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Why array implements IList?
...t says
IList is a descendant of the
ICollection interface and is the base
interface of all non-generic lists.
IList implementations fall into three
categories: read-only, fixed-size, and
variable-size. A read-only IList
cannot be modified. A fixed-size IList
does not allow the addi...
Bootstrap Carousel : Remove auto slide
...xampleCaptions" class="carousel slide" data-interval="false">
updated based on @webMan's comment
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Original purpose of ? [closed]
...how to modify it via dev tools, but could have bad implications on the database if modification of those values corrupts other data (for instance, if you're storing the primary key reference and it's manually changed by the user).
– Brett84c
Jun 16 '16 at 15:53...
Best way to remove an event handler in jQuery?
...e .live() selector valid again.
This has other benefits by adding styling based on that class as well.
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Auto start node.js server on boot
...systemd UX the main appeal of pm2 it is that is more portable: non-systemd based distros, macOS and Windows.
– durum
Jul 23 '19 at 13:55
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s...
What are some common uses for Python decorators? [closed]
...gate @Gustavo6046's (valid) objections. Python also has an Number abstract base class, so very generic tests like isinstance(42, numbers.Number)are possible.
– martineau
Nov 27 '19 at 0:13
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...
I've fixed this issue using an entirely-Apache based solution. In my vhost / htaccess I put the following block:
# enable cross domain access control
Header always set Access-Control-Allow-Origin "*"
Header always set Access-Control-Allow-Methods "POST, GET, OPTIONS"
#...