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Split string on the first white space occurrence
...tr.indexOf(' ')+1); // "tocirah sneab"
Note that if there is no space at all, then the first line will return an empty string and the second line will return the entire string. Be sure that is the behavior that you want in that situation (or that that situation will not arise).
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.gitignore exclude folder but include specific subfolder
...” every parent directory of anything that you want to “unignore”. Usually you end up writing rules for this situation in pairs: ignore everything in a directory, but not some certain subdirectory.
# you can skip this first one if it is not already excluded by prior patterns
!application/
app...
How to reset / remove chrome's input highlighting / focus border? [duplicate]
...able to remove it using
outline: none;
but keep in mind this is potentially bad for usability: It will be hard to tell whether an element is focused, which can suck when you walk through all a form's elements using the Tab key - you should reflect somehow when an element is focused.
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Regex, every non-alphanumeric character except white space or colon
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[^a-zA-Z\d\s:]
\d - numeric class
\s - whitespace
a-zA-Z - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
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How can I monitor the thread count of a process on linux?
..., simply use watch:
$ watch ps -o thcount <pid>
To get the sum of all threads running in the system:
$ ps -eo nlwp | tail -n +2 | awk '{ num_threads += $1 } END { print num_threads }'
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Full examples of using pySerial package [closed]
...is code. I'm not certain on this but I believe the serial port is automatically opened when it is explicitly defined as you have done with ser. After commenting out the ser.open() line it worked.
– user3817250
Sep 23 '14 at 14:31
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Any way to make a WPF textblock selectable?
How to allow TextBlock 's text to be selectable?
15 Answers
15
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What is sys.maxint in Python 3?
...integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
6 Answers
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Explanation of JSONB introduced by PostgreSQL
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First, hstore is a contrib module, which only allows you to store key => value pairs, where keys and values can only be texts (however values can be sql NULLs too).
Both json & jsonb allows you to store a valid JSON value (defined in its spec).
F.ex. these are v...
How to get current CPU and RAM usage in Python?
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Worked for me on OSX: $ pip install psutil; >>> import psutil; psutil.cpu_percent() and >>> psutil.virtual_memory() which returns a nice vmem object: vmem(total=8589934592L, available=4073336832L, percent=52.6, used=5022085120L, free=35602...