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How to determine CPU and memory consumption from inside a process?
I once had the task of determining the following performance parameters from inside a running application:
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What does the “yield” keyword do?
What is the use of the yield keyword in Python, and what does it do?
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Append an object to a list in R in amortized constant time, O(1)?
If I have some R list mylist , you can append an item obj to it like so:
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Concurrent vs serial queues in GCD
I'm struggling to fully understand the concurrent and serial queues in GCD. I have some issues and hoping someone can answer me clearly and at the point.
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Schema for a multilanguage database
I'm developing a multilanguage software. As far as the application code goes, localizability is not an issue. We can use language specific resources and have all kinds of tools that work well with them.
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What is a monad?
Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is?
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
I am building a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser....
Maximum single-sell profit
Suppose we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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What are metaclasses in Python?
In Python, what are metaclasses and what do we use them for?
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Type-juggling and (strict) greater/lesser-than comparisons in PHP
PHP is famous for its type-juggling. I must admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons.
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