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Can every recursion be converted into iteration?
...-first traversal can be done using a queue.
So, the answer is: yes. Why: https://stackoverflow.com/a/531721/2128327.
Can any recursion be done in a single loop? Yes, because
a Turing machine does everything it does by executing a single loop:
fetch an instruction,
evaluate it,
goto 1.
...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... like = and =~.
In Bashese: [ is a built-in command, and [[ is a keyword: https://askubuntu.com/questions/445749/whats-the-difference-between-shell-builtin-and-shell-keyword
<
[[ a < b ]]: lexicographical comparison
[ a \< b ]: Same as above. \ required or else does redirection like for...
Where are the recorded macros stored in Notepad++?
...s via Settings - Shortcut mapper - Macros before exiting Notepad++ (as per https://superuser.com/questions/332481/how-can-i-add-a-macro-in-notepad. Tested with Notepad v6.8.3 on Windows7.)
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Getting a timestamp for today at midnight?
...rt->getTimestamp();
Potential definitions of “here” are listed at https://secure.php.net/manual/en/timezones.php
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How to remove specific value from array using jQuery
...1,2,3,4,5];
let evens = values.filter(v => v % 2 == 0);
alert(evens);
https://jsfiddle.net/emrefatih47/nnn3c2fo/
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How do I close an open port from the terminal on the Mac?
... 3000 from anywhere, and it will kill all processes running on port 3000.
https://github.com/xtrasimplicity/killport
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Django: How to manage development and production settings?
... production specific for example:
prod.py:
DEBUG = False
ALLOWED_HOSTS = ['www.example.com']
LOGGING = [...]
...
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Get battery level and state in Android
...e;
return (int)(batteryPct*100);
This is from the official docs over at https://developer.android.com/training/monitoring-device-state/battery-monitoring.html.
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How do I sort unicode strings alphabetically in Python?
... at the time of this writing and I had to resort to web caches to get it:
https://github.com/href/Python-Unicode-Collation-Algorithm
I successfully used this script to sanely sort German/French/Italian text in a plone module.
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How do I determine the current operating system with Node.js
...og(os.platform()); // "win32"
You can read it's full documentation here: https://nodejs.org/api/os.html#os_os_type
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