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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
... too. This is why summing integers in a list is O(log N) if given an infinite number of CPUs.
If you just look at the signatures there is no reason for reduce to exist because you can achieve everything you can with reduce with a foldLeft. The functionality of foldLeft is a greater than the funct...
Monad in plain English? (For the OOP programmer with no FP background)
In terms that an OOP programmer would understand (without any functional programming background), what is a monad?
19 Answe...
Pretty graphs and charts in Python [closed]
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I'm the one supporting CairoPlot and I'm very proud it came up here.
Surely matplotlib is great, but I believe CairoPlot is better looking.
So, for presentations and websites, it's a very good choice.
Today I released version 1.1. If interested, check it out at CairoPlot v1.1...
What's the difference between the 'ref' and 'out' keywords?
I'm creating a function where I need to pass an object so that it can be modified by the function. What is the difference between:
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How do you 'redo' changes after 'undo' with Emacs?
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Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such...
Javascript event handler with parameters
...nt function arguments
}, false);
}
Depending upon your exact coding situation, you can pretty much always make some sort of closure preserve access to the variables for you.
From your comments, if what you're trying to accomplish is this:
element.addEventListener('click', func(event, this.el...
Link to “pin it” on pinterest without generating a button
I have a page with tens or hundreds of posts, each one with social buttons.
I just can't generate all the buttons for each url: it is too slow (facebook, g+, twitter, pinterest... for hundreds of links). So, instead of the facebook share button to be generated on the fly, I use a simple img pointing...
Why functional languages? [closed]
...e about functional languages and stuff. Why would you use one over a "traditional" language? What do they do better? What are they worse at? What's the ideal functional programming application?
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...e read many posts on SO and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the reason...
How to completely remove an issue from GitHub?
Is it possible to completely remove an issue from the GitHub issue tracker?
11 Answers
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