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Remove last item from array
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Array.prototype.pop() by JavaScript convention.
let fruit = ['apple', 'orange', 'banana', 'tomato'];
let popped = fruit.pop();
console.log(popped); // "tomato"
console.log(fruit); // ["apple", "orange", "banana"]
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What is the minimum I have to do to create an RPM file?
...ompany.com/
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
%description
%{summary}
%prep
%setup -q
%build
# Empty section.
%install
rm -rf %{buildroot}
mkdir -p %{buildroot}
# in builddir
cp -a * %{buildroot}
%clean
rm -rf %{buildroot}
%files
%defattr(-,root,root,-)
%config(nor...
Forward function declarations in a Bash or a Shell script?
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Great question. I use a pattern like this for most of my scripts:
#!/bin/bash
main() {
foo
bar
baz
}
foo() {
}
bar() {
}
baz() {
}
main "$@"
You can read the code from top to bottom, but it doesn't actually start executing until the last line. By passing "$@" to...
How to call a Python function from Node.js
...ire("child_process").spawn;
const pythonProcess = spawn('python',["path/to/script.py", arg1, arg2, ...]);
Then all you have to do is make sure that you import sys in your python script, and then you can access arg1 using sys.argv[1], arg2 using sys.argv[2], and so on.
To send data back to nod...
How to convert all tables from MyISAM into InnoDB?
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That worked nicely! I've put it into an example shell script here: shrubbery.mynetgear.net/c/display/W/…
– Joshua Davis
Jun 28 '12 at 14:46
4
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Detecting Unsaved Changes
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This script is awesome, but for me it also displayed the warning message upon submitting my form. I fixed this by unbinding the event in an onClick (onclick="window.onbeforeunload=null")
– Joost
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How to find the size of localStorage
...ize of a localStorage instance. This question seems to indicate that JavaScript doesn't have a built in way of showing the size for a given variable. Does localStorage have a memory size property that I haven't seen? Is there an easy way to do this that I'm missing?
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Download multiple files with a single action
...unt of windows to initiate the file downloads (this would be done with JavaScript)
preferred solution create a script to zip the files
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Replacing some characters in a string with another character
... On Mac, I got the following: sed: illegal option -- r usage: sed script [-Ealn] [-i extension] [file ...] sed [-Ealn] [-i extension] [-e script] ... [-f script_file] ... [file ...]
– catanore
Sep 17 '13 at 8:14
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VIM Disable Automatic Newline At End Of File
... any newline at eof in a .php file, no matter what Vim does.
And now, the script itself:
#!/usr/bin/python
# a filter that strips newline from last line of its stdin
# if the last line is empty, leave it as-is, to make the operation idempotent
# inspired by: https://stackoverflow.com/questions/16...