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How do RVM and rbenv actually work?
... in the details; full scoop below.
First, rbenv creates shims for all the commands (ruby, irb, rake, gem and so on) across all your installed versions of Ruby. This process is called rehashing. Every time you install a new version of Ruby or install a gem that provides a command, run rbenv rehash t...
How do I parse command line arguments in Java?
What is a good way of parsing command line arguments in Java?
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Django admin: How to display a field that is marked as editable=False' in the model?
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Are there any smart cases of runtime code modification?
...rating code at run time can be useful for:
Some virtual machines use JIT compilation to improve performance.
Generating specialized functions on the fly has long been common in computer graphics. See e.g. Rob Pike and Bart Locanthi and John Reiser Hardware Software Tradeoffs for Bitmap Graphics on...
How do I import the Django DoesNotExist exception?
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What's the best/easiest GUI Library for Ruby? [closed]
...can be found in the tutorials.
Also, I think shoes powers hackety hack, a compelling programming learning environment for youngsters.
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How can I find out a file's MIME type (Content-Type)?
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Is it possible to reopen a closed branch in Mercurial?
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You can just hg update to the closed branch then do another hg commit and it will automatically reopen.
The closed flag is just used to filter out closed branches from hg branches and hg heads unless you use the --closed option - it doesn't prevent you from using the branches.
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How to delete the last n commits on Github and locally?
I'm trying to delete the last 2 commits from one of my GitHub repositories. I've tried as suggested here : git push -f origin HEAD^^:master . It seems that it works, as the last two commits are removed.
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How to limit setAccessible to only “legitimate” uses?
...g and for what kind of an architecture.
If you're distributing a software component called foo.jar to the people of the world, you're completely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could ...