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Linux command to list all available commands and aliases
Is there a Linux command that will list all available commands and aliases for this terminal session?
20 Answers
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How to compute the sum and average of elements in an array?
...he elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below.
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How do I install the yaml package for Python?
... YAML. I attempted to install it on a new server using pip install yaml and it returns the following:
11 Answers
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Learning Ruby on Rails
As it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
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try/catch + using, right syntax
...ice. If you are expecting the object creation to throw an error, then any handling of that exception must go outside. If there is some question about where the handling should go, then the exception that is expected must be something else—unless you are advocating catching any random exception tha...
Android SDK Manager Not Installing Components
Not sure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm...
Is optimisation level -O3 dangerous in g++?
...mpiling with an optimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
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Git: Show all of the various changes to a single line in a specified file over the entire git histor
I've looked around, and am not sure if this is possible, but here goes:
5 Answers
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How to exit from the application and show the home screen?
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Android's design does not favor exiting an application by choice, but rather manages it by the OS. You can bring up the Home application by its corresponding Intent:
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.add...
How do I delete a local repository in git? [duplicate]
I can't find the command. I tried Googling "git 'delete a repository'".
4 Answers
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