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Is Disney's FastPass Valid and/or Useful Queue Theory
...eate a second, shorter line for popular rides. The idea is that you can wait in the standard line, often with a wait longer than an hour, or you can get a FastPass which allows you to come back during a specified time block (usually a couple hours later) and only wait for 10 minutes or less. You c...
Can Google Chrome open local links?
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You can't link to file:/// from an HTML document that is not itself a file:/// for security reasons.
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Ruby, !! operator (a/k/a the double-bang) [duplicate]
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In most programming languages, including Ruby, ! will return the opposite of the boolean value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean.
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Stop setInterval call in JavaScript
...rval(fname, 10000); to call a function every 10 seconds in JavaScript. Is it possible to stop calling it on some event?
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What's a good rate limiting algorithm?
...e some pseudo-code, or better, Python. I am trying to implement a rate-limiting queue for a Python IRC bot, and it partially works, but if someone triggers less messages than the limit (e.g., rate limit is 5 messages per 8 seconds, and the person triggers only 4), and the next trigger is over the 8...
Arrays, heap and stack and value types
..., as I can, for example, pass myIntegers to other parts of the program and it'd clutter up the stack if they were left on it all the time. Or am I wrong? I'd guess they'd just be boxed and would live on the heap for as long the array existed.
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Why is try {…} finally {…} good; try {…} catch{} bad?
I have seen people say that it is bad form to use catch with no arguments, especially if that catch doesn't do anything:
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Can I use a :before or :after pseudo-element on an input field?
... am trying to use the :after CSS pseudo-element on an input field, but it does not work. If I use it with a span , it works OK.
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Seeking clarification on apparent contradictions regarding weakly typed languages
... the 15th of October, 2012. Thanks for the great question!
What does it really mean for a language to be "weakly typed"?
It means "this language uses a type system that I find distasteful". A "strongly typed" language by contrast is a language with a type system that I find pleasant.
The t...
Is it possible to remove inline styles with jQuery?
...g an inline style ( display:block ). I'm feeling lazy and want to override it with display:none .
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