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What's the best online payment processing solution? [closed]

...'d say paypal or GoogleCheckout. Google Checkout is either 2% + .20USD or free depending on how much you spend on adwords. If you spend a dollar on adWords, your next $10 on Google checkout is free. Paypal is 1.9% to 2.9% + $0.30 USD (2.9% for up to $30,000/month, 1.9% for more than $100,000/month...
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How does the new automatic reference counting mechanism work?

... but computers are much more consistent. However, this doesn't completely free you from worrying about memory management on these platforms. I describe the primary issue to watch out for (retain cycles) in my answer here, which may require a little thought on your part to mark weak pointers. Howe...
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How Do I Fetch All Old Items on an RSS Feed?

...ve any historical information. Basically Google Reader was doing this for free and when you interacted with it you could retrieve this stored informaton from the google database servers. Now that they have retired the service, to my knowledge you have two choices. You either have to start colle...
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C++ valarray vs. vector

...(at least theoretically) lets the compiler improve speed because it's more free to store values in registers. In reality, however, I'm not at all sure that any real implementation takes advantage of this to any significant degree. I suspect it's rather a chicken-and-egg sort of problem -- without co...
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How do you make a web application in Clojure? [closed]

... @Richard, feel free to make a pure-clojure http server. – gtrak Jul 15 '11 at 0:55 5 ...
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Twitter image encoding challenge [closed]

... attempt I used an online service for the PNG trace however there are MANY free and non-free tools that can handle this part including potrace (open-source). Here are the results Original SO Logo http://www.warriorhut.org/graphics/svg_to_unicode/so-logo.png Original Decoded SO Logo http://www.warr...
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Why do people say that Ruby is slow? [closed]

...u much good. You'll probably have to roll your own. But sure, I'd like free CPU cycles too. I just happen to care much more about free developer cycles and am willing to trade the former for the latter. i.e. throwing more hardware or machines at the problem is cheaper than hiring more de...
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Mutable vs immutable objects

...ost always the reason to use an immutable object is to promote side effect free programming and simple reasoning about the code (especially in a highly concurrent/parallel environment). You don't have to worry about the underlying data being changed by another entity if the object is immutable. ...
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?

... JVM [Jython] and .NET [IronPython], and those implementations multithread freely). CPython (the popular implementation) has always used a GIL for ease of coding (esp. the coding of the garbage collection mechanisms) and of integration of non-thread-safe C-coded libraries (there used to be a ton of ...
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Node.js + Nginx - What now?

... Open source community version is free but they have version with other features which are not free. nginx.com/products/feature-matrix – 0x8BADF00D Sep 7 '16 at 19:34 ...