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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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YYYY-MM-DD format date in shell script

... can be viewed from the date man pages (for external non-bash specific command): man date share | improve this answer | follow | ...
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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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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...
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How do I update zsh to the latest version?

...ose to uninstall it on purpose since it was messing with gem installations and it was really frustrating to find a workaround. Thanks anyway. – Can Jul 15 '13 at 12:55 1 ...
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How to exit from the application and show the home screen?

... 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...
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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 4 ...
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Broadcast receiver for checking internet connection in android app

I am developing an android broadcast receiver for checking internet connection. 21 Answers ...
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live output from subprocess command

..., I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for any errors. The problem is, I have no idea how the code is progressing. If I run it directly from the c...
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Why is it slower to iterate over a small string than a small list?

...IIObject *)(op))->state.kind) is (I think) an indirection and a C-level cast); #define PyUnicode_DATA(op) \ (assert(PyUnicode_Check(op)), \ PyUnicode_IS_COMPACT(op) ? _PyUnicode_COMPACT_DATA(op) : \ _PyUnicode_NONCOMPACT_DATA(op)) (which is also boring for similar reasons, assu...