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What is causing this ActiveRecord::ReadOnlyRecord error?
This follows this prior question, which was answered. I actually discovered I could remove a join from that query, so now the working query is
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C++11 reverse range-based for-loop
Is there a container adapter that would reverse the direction of iterators so I can iterate over a container in reverse with range-based for-loop?
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How to calculate time difference in java?
I want to subtract two timeperiods say 16:00:00 from 19:00:00. Is there any java function for this? The results can be in milliseconds, seconds, or minutes.
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Difference between std::system_clock and std::steady_clock?
What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great).
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How do I fit an image (img) inside a div and keep the aspect ratio?
I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
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efficient circular buffer?
I want to create an efficient circular buffer in python (with the goal of taking averages of the integer values in the buffer).
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Where does Visual Studio look for C++ header files?
I checked out a copy of a C++ application from SourceForge (HoboCopy, if you're curious) and tried to compile it.
6 Answers...
How to select rows with no matching entry in another table?
I'm doing some maintenance work on a database application and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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How do I update pip itself from inside my virtual environment?
I'm able to update pip-managed packages, but how do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
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Spring Boot - parent pom when you already have a parent pom
Is there a specific recommended approach to the inclusion of the spring-boot parent pom into projects that already have a required parent POM?
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