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Sound alarm when code finishes
...os.system('play -nq -t alsa synth {} sine {}'.format(duration, freq))
In order to use this example, you must install sox.
On Debian / Ubuntu / Linux Mint, run this in your terminal:
sudo apt install sox
On Mac, run this in your terminal (using macports):
sudo port install sox
Speech on Mac
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What are the differences between .gitignore and .gitkeep?
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Why do you need ! in front of .gitignore ? Is that in order to escape the dot ?
– Will
Oct 5 '12 at 21:37
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Collections.emptyMap() vs new HashMap()
... then returning a view to the underlying collection makes perfect sense in order to make sure that a "bad" client does not accidentally modify collections owned by you. Returning an empty collection instead of null means that your client does not have to make a null check before using the collection...
What modern C++ libraries should be in my toolbox? [closed]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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“Add as Link” for folders in Visual Studio projects
...ata. The 'A' in the code above can be called anything but must be there in order for the folder to appear.
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Indenting #defines
I know that #define s, etc. are normally never indented. Why?
8 Answers
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ValidateRequest=“false” doesn't work in Asp.Net 4
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Ansible: Set variable to file content
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You can use lookups in Ansible in order to get the contents of a file, e.g.
user_data: "{{ lookup('file', user_data_file) }}"
Caveat: This lookup will work with local files, not remote files.
Here's a complete example from the docs:
- hosts: all
vars:
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Visualizing branch topology in Git
...n on my own machine, and I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that seem to be used everywhere for e...
Why use non-member begin and end functions in C++11?
...little syntactic sugar to help us poor humans who prefer subject then verb ordering.
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