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Allowed characters in Linux environment variable names
What characters are allowed in Linux environment variable names? My cursory search of man pages and the web did only produce information about how to work with variables, but not which names are allowed.
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What does Python's eval() do?
...ount function available while still blocking everything we do not want. In my opinion, this is super powerful and clearly from the scope of the other answers, not a common implementation. There are numerous uses for something like this and as long as it is handled correctly I personally feel eval ca...
Testing javascript with Mocha - how can I use console.log to debug a test?
...porter (-R) or ui (-ui) being used?
console.log(msg);
works fine during my test runs, though sometimes mixed in a little goofy. Presumably due to the async nature of the test run.
Here are the options (mocha.opts) I'm using:
--require should
-R spec
--ui bdd
Hmm..just tested without any moch...
Checkout multiple git repos into same Jenkins workspace
...ory where you want to copy the project to. You could map the filesystem of my development computer.
The "second advanced menu" doesn't exist anymore, instead what needs to be done is use the "Add" button (on the "Additional Behaviours" section), and choose "Check out to a sub-directory"
if you ...
Quickly create a large file on a Linux system
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According to my fallocate man page, this is only supported on btrfs, ext4, ocfs2, and xfs filesystems
– Nathan S. Watson-Haigh
Feb 17 '16 at 2:48
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How to colorize diff on the command line?
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Just found that myself :-). It can be piped into less by using less -R, which displays the escape sequences for colors correctly.
– daniel kullmann
Jan 10 '12 at 9:25
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How to make an Android device vibrate?
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Above answers are perfect. However I wanted to vibrate my app exactly twice on button click and this small information is missing here, hence posting for future readers like me. :)
We have to follow as mentioned above and the only change will be in the vibrate pattern as below,
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How do I safely pass objects, especially STL objects, to and from a DLL?
... example, let's use the GetCCDLL function I mentioned a bit further up. On my system, the following .def files work for GCC and MSVC, respectively:
GCC:
EXPORTS
GetCCDLL=_Z8GetCCDLLv @1
MSVC:
EXPORTS
GetCCDLL=?GetCCDLL@@YAPAUCCDLL_v1@@XZ @1
Rebuild your DLL, then re-examine the functi...
REST API Token-based Authentication
...d repeatedly calling the authentication service. Which brings me neatly to my first question:
3 Answers
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Keyboard Interrupts with python's multiprocessing Pool
... Hi John. Your solution doesn't accomplish the same thing as my, yes unfortunately complicated, solution. It hides behind the time.sleep(10) in the main process. If you were to remove that sleep, or if you wait until the process attempts to join on the pool, which you have to do in ord...