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Specifying rails version to use when creating a new application

... I get error when using 3.1.3 when 3.1.3 and 3.2.0.rc1 are installed. Here is the error --- [ninad@localhost devel]$ rails _3.1.3_ new sample_app /home/ninad/.rbenv/versions/1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems.rb:314:in bi...
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How do I execute a command and get the output of the command within C++ using POSIX?

...pipe(popen(cmd, "r"), pclose); if (!pipe) { throw std::runtime_error("popen() failed!"); } while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) { result += buffer.data(); } return result; } Pre-C++11 version: #include <iostream> #include &lt...
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Classes residing in App_Code is not accessible

... Yay this solved 142 errors in my Visual Studio project, thanks so much for sharing this solution :-] – Michael G. Workman Feb 23 '16 at 19:23 ...
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Maximum on http header values?

...ult limit is 8KB, in IIS it's 16K. Server will return 413 Entity Too Large error if headers size exceeds that limit. Related question: How big can a user agent string get? share | improve this ans...
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Would it be beneficial to begin using instancetype instead of id?

...le fileHandleWithStandardOutput] writeData:formattedData] will generate an error on Mac OS X (only) Multiple methods named 'writeData:' found with mismatched result, parameter type or attributes. The reason is that both NSFileHandle and NSURLHandle provide a writeData:. Since [NSFileHandle fileHandl...
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Eclipse Kepler for OS X Mavericks request Java SE 6

... After this I had a the error "App can't be opened because it is from an unidentified developer", the following question has the solution: stackoverflow.com/questions/19551298/… – Jonoabroad Oct 31 '13 at 3:0...
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Nullable vs. int? - Is there any difference?

...int> & b; // does compile } The first line gives the following error messages: error CS1003: Syntax error, ':' expected error CS1525: Invalid expression term ';' If you are curious about the exact reason for this, I really recommend you to check the already linked question, but the b...
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How do I update/upsert a document in Mongoose?

...a, {upsert: true}, function(err, doc) { if (err) return res.send(500, {error: err}); return res.send('Succesfully saved.'); }); In older versions Mongoose does not support these hooks with this method: defaults setters validators middleware ...
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How to mark a build unstable in Jenkins when running shell scripts

...ead of exiting with status 1 (which would fail the build), do: if ($build_error) print("TESTS FAILED!"); Than in the post-build actions enable the Text Finder, set the regular expression to match the message you printed (TESTS FAILED!) and check the "Unstable if found" checkbox under that entry. ...
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user authentication libraries for node.js?

...ything is fine the layer calls next(). If not this auth-layer generates an error and will not call next(). – Matthias Feb 15 '11 at 15:46 ...