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Devise Secret Key was not set

... I ran bundle update this morning and started getting the same error. I added it as a line in config/initializers/devise.rb and the error was fixed. This seems to be the commit which introduced it. ...
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Fastest way to serialize and deserialize .NET objects

I'm looking for the fastest way to serialize and deserialize .NET objects. Here is what I have so far: 9 Answers ...
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How can I suppress all output from a command using Bash?

... The following sends standard output to the null device (bit bucket). scriptname >/dev/null And if you also want error messages to be sent there, use one of (the first may not work in all shells): scriptname &>/dev/null scriptname &gt...
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How to make rpm auto install dependencies

... Create a (local) repository and use yum to have it resolve the dependencies for you. The CentOS wiki has a nice page providing a how-to on this. CentOS wiki HowTos/CreateLocalRepos. Summarized and further minimized (not ideal, but quickest): Creat...
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Is Task.Result the same as .GetAwaiter.GetResult()?

... @JayBazuzi: MSTest, xUnit, and NUnit all support async Task unit tests, and have for some time now. – Stephen Cleary Jun 24 '13 at 22:18 ...
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What events does an fire when it's value is changed?

... only oninput is fired when 'up' and 'down' arrows are clicked. – N 1.1 Oct 15 '10 at 7:36 2 ...
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Enforcing the type of the indexed members of a Typescript object?

... would like to store a mapping of string -> string in a Typescript object, and enforce that all of the keys map to strings. For example: ...
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How can I make Bootstrap columns all the same height?

... Nice answer, with some caveats. Solution 1 disables the float and therefore breaks the bootstrap grid responsive behavior. Solution 2 (explained in greater depth in positioniseverything.net/articles/onetruelayout/equalheight) doesn't show the bottom border (as it is clipped somewhere in...
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Skip download if files exist in wget?

... -nc doesn't prevent the sending of the HTTP request and subsequent downloading of the file. It just doesn't do anything after downloading the file if the file has already been fully retrieved. Is there anyway to prevent making the HTTP request if the file already exists? stack...
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Declaring array of objects

I have a variable which is an array and I want every element of the array to act as an object by default. To achieve this, I can do something like this in my code. ...