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Advantages of stateless programming?

...programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? I'm trying to think in the functional mindset...
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together

...am in the early stages of creating an app where I would like to save, sync and backup data. The app will not store any files just data in a database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work toge...
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What is the difference between atomic and critical in OpenMP?

What is the difference between atomic and critical in OpenMP? 8 Answers 8 ...
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Why is it bad style to `rescue Exception => e` in Ruby?

... TL;DR: Use StandardError instead for general exception catching. When the original exception is re-raised (e.g. when rescuing to log the exception only), rescuing Exception is probably okay. Exception is the root of Ruby's exception hi...
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How does the Brainfuck Hello World actually work?

Someone sent this to me and claimed it is a hello world in Brainfuck (and I hope so...) 6 Answers ...
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What Ruby IDE do you prefer? [closed]

I've been using Eclipse with RDT (not RadRails) a lot lately, and I'm quite happy with it, but I'm wondering if you guys know any decent alternatives. I know NetBeans also supports Ruby these days, but I'm not sure what it has to offer over Eclipse. ...
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Algorithm to detect corners of paper sheet in photo

... working on this earlier this year. This was my first ever coding project, and kinda ended in a bit of a rush, so the code needs some errr...decoding... I'll give a few tips from what I've seen you doing already, and then sort my code on my day off tomorrow. First tip, OpenCV and python are awesom...
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Using Caps Lock as Esc in Mac OS X

...he System Preferences, choose Keyboard, then the Keyboard Tab (first tab), and click Modifier Keys: In the popup dialog set Caps Lock Key to No Action: 2) Now, click here to download Seil and install it: 3) After the installation you will have a new Application installed ( Mountain Lion an...
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Programming with white text on black background?

...e? Is it any better than the traditional black on white? What are the pros and cons? 14 Answers ...
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Python - doctest vs. unittest [closed]

I'm trying to get started with unit testing in Python and I was wondering if someone could explain the advantages and disadvantages of doctest and unittest. ...