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How do I check for C++11 support?

...ler #endif It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to increase it already if they just have (partial) compiler-level support versus a standard C++ library with all the C++11 changes. So Boost's defines mentioned in another answer remain the onl...
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Specifying rails version to use when creating a new application

... that having Rails 3 installed fails for 2.3.5 -- Just tested on Mac OS X Snow Leopard with these modules installed:rails (3.0.5, 2.3.5, 2.2.2, 1.2.6) – Mike May 2 '11 at 19:41 13 ...
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How to find memory leak in a C++ code/project?

...house a string. delete [] str; // Clear those 30 bytes and make str point nowhere. 2 Reallocate memory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost irretrievably, and so are the 30 bytes that it pointed to. Now they'r...
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Enable access control on simple HTTP server

...uter (including local backends/apis) localtunnel: almost the same as ngrok now: when running now, it uploads your static assets online and deploy them to https://$random.now.sh. They remain online forever unless you decide otherwise. Deployment is fast (except the first one) thanks to diffing. Now i...
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Print in one line dynamically

...sh() forces a file to send whatever it's got to the operating system right now. I'm surprised it works for you without that -- it didn't work for me until I added it. – zwol Jul 15 '10 at 18:38 ...
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What does the “__block” keyword mean?

What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know... ...
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Installing Google Protocol Buffers on mac

...ebrew version: brew link --force --overwrite protobuf241 Check that you now have the correct version installed by typing: protoc --version It should display 2.4.1 share | improve this answer ...
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What is the copy-and-swap idiom?

...rray); // (3) } return *this; } And we say we're finished; this now manages an array, without leaks. However, it suffers from three problems, marked sequentially in the code as (n). The first is the self-assignment test. This check serves two purposes: it's an easy way to prevent us fr...
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How to access and test an internal (non-exports) function in a node.js module?

...ha. You can then run your mocha tests with make test at the command line. Now, you can conditionally export your function that isn't usually exported only when your mocha tests are running: function exported(i) { return notExported(i) + 1; } function notExported(i) { return i*2; } if (proc...
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How to use a dot “.” to access members of dictionary?

... Very simple answer, great! Do you happen to know what I would need to to in order to have tab-completion in IPython work? The class would need to implement __dir__(self), but somehow I cannot get it to work. – andreas-h Feb 19 '16...