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How to grep and replace

I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string. ...
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?

...ere's nothing wrong with that statement; you're just multiplying 4 numbers and assigning it to an int, there just happens to be an overflow. This is different than assigning a single literal, which would be bounds-checked at compile-time. It is the out-of-bounds literal that causes the error, not t...
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Access-Control-Allow-Origin wildcard subdomains, ports and protocols

I'm trying to enable CORS for all subdomains, ports and protocol. 11 Answers 11 ...
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Removing transforms in SVG files

I have been struggling with this for a while, and can't seem to find an answer (that works) anywhere. I have an SVG file which looks like this: ...
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Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?

The pre/post increment/decrement operator ( ++ and -- ) are pretty standard programing language syntax (for procedural and object-oriented languages, at least). ...
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How can I access and process nested objects, arrays or JSON?

I have a nested data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or keys)? ...
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Including one C source file in another?

...mplex, performance critical subsystem with a fairly small public interface and a lot of non-reusable implementation code. The code runs to several thousand lines, a hundred or so private functions and quite a bit of private data. If you work with non-trivial embedded systems, you probably deal with ...
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How do I create a namespace package in Python?

...aries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH , 5 Answers ...
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Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?

I just recently downloaded the Xcode 4.2 with iOS 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed. ...
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How can I use Homebrew to install both Python 2 and 3 on Mac?

I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble. Right now I have 2.7 installed through Homebrew. ...