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How do I trim whitespace from a string?
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Just one space, or all consecutive spaces? If the second, then strings already have a .strip() method:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a ...
CRON job to run on the last day of the month
... jobs.
If you still really want to run it on the last day of the month, one option is to simply detect if tomorrow is the first (either as part of your script, or in the crontab itself).
So, something like:
55 23 28-31 * * [[ "$(date --date=tomorrow +\%d)" == "01" ]] && myjob.sh
shoul...
How do I put two increment statements in a C++ 'for' loop?
...would like to increment two variables in a for -loop condition instead of one.
8 Answers
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Step-by-step debugging with IPython
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(Update on May 28, 2016) Using RealGUD in Emacs
For anyone in Emacs, this thread shows how to accomplish everything described in the OP (and more) using
a new important debugger in Emacs called RealGUD which can operate with any debugger (including ipdb).
The Emacs package isend...
How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
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'W' moves one character too far, it moves to the next character after the next whitespace.
– Greg Hewgill
Sep 23 '09 at 22:22
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What does 'synchronized' mean?
...ce and memory consistency
errors: if an object is visible to
more than one thread, all reads or
writes to that object's variables are
done through synchronized methods.
In a very, very small nutshell: When you have two threads that are reading and writing to the same 'resource', say a vari...
Should I always use a parallel stream when possible?
...as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
6 Answers
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android start activity from service
..., but not working on xiaomi redmi note 7, can you help my why it's working one device and one is not?
– Amjad Omari
Mar 27 at 17:54
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show 4...
HTML input - name vs. id [duplicate]
...<id>)
Shares same name space as name attribute
Must contain at least one character
Must begin with a letter
Must not contain anything other than letters, numbers, underscores (_), dashes (-), colons (:), or periods (.)
Is case insensitive
In (X)HTML5, everything is the same except:
Name Att...
Differences between C++ string == and compare()?
...an t.
If you want your first code snippet to be equivalent to the second one, it should actually read:
if (!s.compare(t)) {
// 's' and 't' are equal.
}
The equality operator only tests for equality (hence its name) and returns a bool.
To elaborate on the use cases, compare() can be useful ...