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Linux: copy and create destination dir if it does not exist

I want a command (or probably an option to cp) that creates the destination directory if it does not exist. 21 Answers ...
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Return value in a Bash function

I am working with a bash script and I want to execute a function to print a return value: 9 Answers ...
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How can I catch all the exceptions that will be thrown through reading and writing a file?

...ion that may get thrown is an Exception (Uppercase 'E'). If you want to handle your own exceptions first simply add a catch block before the generic Exception one. try{ }catch(MyOwnException me){ }catch(Exception e){ } ...
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Java Immutable Collections

...n still change, an instance of ImmutableList contains its own private data and will never change. So, basically, in order to get an immutable collection out of a mutable one, you have to copy its elements to the new collection, and disallow all operations. ...
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Can't connect to local MySQL server through socket homebrew

I recently tried installing MySQL with homebrew ( brew install mysql ) and when I try to run it I get the following error: ...
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How do you fork your own repository on GitHub?

I have a public repository on GitHub. I want to replicate/copy it and work on a new project based on this repository, but I don't want to affect how it is now. I tried forking it using the GitHub UI but it didn't do anything. ...
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Eclipse: Error “.. overlaps the location of another project..” when trying to create new project

... Eclipse is erroring because if you try and create a project on a directory that exists, Eclipse doesn't know if it's an actual project or not - so it errors, saving you from losing work! So you have two solutions: Move the folder counter_src somewhere else, the...
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How can I copy the output of a command directly into my clipboard?

How can I pipe the output of a command into my clipboard and paste it back when using a terminal? For instance: 17 Answers ...
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What is string_view?

... The purpose of any and all kinds of "string reference" and "array reference" proposals is to avoid copying data which is already owned somewhere else and of which only a non-mutating view is required. The string_view in question is one such pro...
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Passing additional variables from command line to make

Can I pass variables to a GNU Makefile as command line arguments? In other words, I want to pass some arguments which will eventually become variables in the Makefile. ...