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How to get the position of a character in Python?
...the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1
Using index()
>>> myString = 'Position of a character'
>>> my...
How do I use grep to search the current directory for all files having the a string “hello” yet disp
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grep -l hello **/*.{h,cc}
You might want to shopt -s nullglob to avoid error messages if there are no .h or no .cc files.
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Regular Expression: Any character that is NOT a letter or number
I'm trying to figure out the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ...
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Turning off auto indent when pasting text into vim
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edited Feb 17 '19 at 0:05
Daithí
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answered Ju...
What to do about Eclipse's “No repository found containing: …” error messages?
...be OK.
At least this trick resolved my problems similar like this:
An error occurred while collecting items to be installed session
context was:(profile=epp.package.jee,
phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=,
action=). No repository found containing:
osgi...
How to use sed to remove the last n lines of a file
I want to remove some n lines from the end of a file. Can this be done using sed?
22 Answers
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How to find out the number of CPUs using python
I want to know the number of CPUs on the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program.
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Understanding Apache's access log
What do each of the things in this line from my access log mean?
3 Answers
3
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How to disable an input type=text?
... Poz You are calling native js setter on jquery object it will result with error. $('#foo')[0].disabled = true or $('#foo').get(0).disabled = true will do the work
– Arek Kostrzeba
Oct 12 '17 at 14:03
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This Handler class should be static or leaks might occur: IncomingHandler
... Note: after making the IncomingHandler static, I was getting the error "The constructor MyActivity.IncomingHandler() is undefined." on the line "final Messenger inMessenger = new Messenger(new IncomingHandler());". The solution is to change that line to "final Messenger inMessenger = new M...