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How do 20 questions AI algorithms work?
...nstead of taking into account all questions which have been answered, you randomly pick a smaller subset, which is enough to give you a single answer. Now you repeat that a few times with different random subset of questions, till you see that most of the time, you are getting the same result. you t...
HTML5 Audio stop function
...the <audio> keeps loading also with preload attribute forced to none and the <source>'s src stripped out.
– Pioneer Skies
Dec 2 '15 at 11:34
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PostgreSQL delete all content
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Use the TRUNCATE TABLE command.
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Putting an if-elif-else statement on one line?
...itting everything on one line would most likely violate PEP-8 where it is mandated that lines should not exceed 80 characters in length.
It's also against the Zen of Python: "Readability counts". (Type import this at the Python prompt to read the whole thing).
You can use a ternary expression in P...
Easiest way to toggle 2 classes in jQuery
If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works.
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How to work offline with TFS
Our TFS server has some temporary connectivity issues right now, and as such VS has gone unresponsive, leaving 50+ developers unable to work!
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Handling very large numbers in Python
I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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What are queues in jQuery?
...d the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
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How do I force Postgres to use a particular index?
...s a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate ...
PHP DOMDocument loadHTML not encoding UTF-8 correctly
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Still in 2017 this answer is relevant and worked for me too. I had my database, multibyte, html meta tag and DOM encoding all set to utf8 and still had bad encoding on importing node from one DOC to another. php.net/manual/en/function.mb-convert-encoding.php was ...