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Using OpenSSL what does “unable to write 'random state'” mean?
I'm generating a self-signed SSL certificate to protect my server's admin section, and I keep getting this message from OpenSSL:
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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How to get all Errors from ASP.Net MVC modelState?
I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains.
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Has anyone ever got a remote JMX JConsole to work?
It seems that I've never got this to work in the past. Currently, I KNOW it doesn't work.
20 Answers
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Should I use a class or dictionary?
I have a class that contains only fields and no methods, like this:
9 Answers
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How to instantiate a File object in JavaScript?
There's a File object in JavaScript. I want to instantiate one for testing purposes.
6 Answers
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JSON parsing using Gson for Java
I would like to parse data from JSON which is of type String .
I am using Google Gson .
11 Answers
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Repeat each row of data.frame the number of times specified in a column
What is the simplest way to expand each row the first two columns of the data.frame above, so that each row is repeated the number of times specified in the column 'freq'?
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How do function pointers in C work?
I had some experience lately with function pointers in C.
11 Answers
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When should you use constexpr capability in C++11?
It seems to me that having a "function that always returns 5" is breaking or diluting the meaning of "calling a function". There must be a reason, or a need for this capability or it wouldn't be in C++11. Why is it there?
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