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What happens if I define a 0-size array in C/C++?

Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all. 7...
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When would you use a WeakHashMap or a WeakReference?

...th user-supplied images, like the web site design tool I work on. Naturally you want to cache these images, because loading them from disk is very expensive and you want to avoid the possibility of having two copies of the (potentially gigantic) image in memory at once. Because an...
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FB OpenGraph og:image not pulling images (possibly https?)

... answered a similar question sometime ago with this problem). So make sure all these things are correct. – Syed I.R. May 25 '14 at 20:05 3 ...
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Moving project to another folder in Eclipse

I generally have my working projects sitting on folders on my Desktop. When they are completed I just move them to a c:\dev\ . The thing is I'm doing it in a rather archaic way. ...
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Parse string to DateTime in C#

...teTime.Parse() will try figure out the format of the given date, and it usually does a good job. If you can guarantee dates will always be in a given format then you can use ParseExact(): string s = "2011-03-21 13:26"; DateTime dt = DateTime.ParseExact(s, "yyyy-MM-dd HH:mm", CultureInfo.Invar...
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Getting “type or namespace name could not be found” but everything seems ok?

...on to VS2012 from VS2010, and had created one new class library in VS2012. All of a sudden I was getting this error, and of course it was because the new class library targeted .NET 4.5 while the project referencing it targeted .NET 4.0. Downgrading the new library to target 4.0 fixed it. ...
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How to upgrade Git to latest version on macOS?

...ac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer 15 Answers ...
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How To Get IPython Notebook To Run Python 3?

... 3 instead of 2 on my MAC 10.9, I did the following steps $ sudo pip3 install ipython[all] Then $ ipython3 notebook share | improve this answer | follow ...
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How to achieve code folding effects in Emacs?

... Folding is generally unnecessary with emacs, as it has tools that explicitly implement the actions people do manually when folding code. Most people have good success with simple incremental searches. See "foo" mentioned somewhere? Type C-...
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques

...e, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed! ...