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How do I change my Ruby version using RVM?
...ed to me too. I had:
export PATH=~/.rvm/bin:$PATH
Added in my .bashrc.
All I had to do was add another
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
to the same file and it worked!
Of course, you have to restart your terminal after that.
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How can I reconcile detached HEAD with master/origin?
... Git. I always work on a single branch and commit changes and then periodically push to my remote origin.
26 Answers
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How to get a Static property with Reflection
...so the key for me was to use the .FlattenHierarchy BindingFlag. I don't really know why I just added it on a hunch and it started working. So the final solution that allows me to get Public Instance or Static Properties is:
obj.GetType.GetProperty(propName, Reflection.BindingFlags.Public _
Or R...
What does glLoadIdentity() do in OpenGL?
I'm new to OpenGL and I'm a little overwhelmed with all of the random functions that I have in my code. They work and I know when to use them, but I don't know why I need them or what they actually do.
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Are Java static calls more or less expensive than non-static calls?
...e any difference. Hotspot may choose to optimize in ways that make static calls faster for one method, non-static calls faster for another.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot ...
Cannot use ref or out parameter in lambda expressions
...e visible on the ref parameter itself. Both within the method and in the caller.
These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions.
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How to create your own library for Android development to be used in every program you write?
...e the same android library project, are two copies of the same library installed when both apps are installed on the same phone?
– enigmaticPhysicist
Jul 5 '14 at 7:36
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Showing a Spring transaction in log
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INFO level won't show any tx activity at all, it would be too verbose. DEBUG will be necessary there.
– skaffman
Dec 27 '09 at 11:03
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How do you convert a DataTable into a generic list?
...e DataTableExtensions.AsEnumerable (an extension method) and then if you really need a List<DataRow> instead of just IEnumerable<DataRow> you can call Enumerable.ToList:
IEnumerable<DataRow> sequence = dt.AsEnumerable();
or
using System.Linq;
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List<DataRow> list = dt.A...
Why is inserting in the middle of a linked list O(1)?
...Operations on Linked Lists are often done in such a way that they aren't really treated as a generic "list", but as a collection of nodes--think of the node itself as the iterator for your main loop. So as you're poking through the list you notice as part of your business logic that a new node need...