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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...
What are the disadvantages of using persistent connection in PDO
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Please be sure to read this answer below, which details ways to mitigate the problems outlined here.
The same drawbacks exist using PDO as with any other PHP database interface that does persistent connections: if your script terminates unexpectedly in the middle of database operations...
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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std::vector versus std::array in C++
...ap, that grows and shrinks automatically if elements are added or removed. It provides all the hooks (begin(), end(), iterators, etc) that make it work fine with the rest of the STL. It also has several useful methods that let you perform operations that on a normal array would be cumbersome, like e...
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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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...
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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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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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 “using namespace std;” considered bad practice?
I've been told by others that writing using namespace std; in code is wrong, and that I should use std::cout and std::cin directly instead.
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