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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...ll(" +", " ");
See also
String.trim()
Returns a copy of the string, with leading and trailing whitespace omitted.
regular-expressions.info/Repetition
No trim() regex
It's also possible to do this with just one replaceAll, but this is much less readable than the trim() solution. Nonethele...
What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
I'm curious about the purpose of the methods getItem and getItemId in the class Adapter in the Android SDK.
6 Answers
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How do you round to 1 decimal place in Javascript?
...ar rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rounded.toFixed(1)
// fixed is always to 1 d.p.
// NOTE: .toFixed() returns a string!
// To convert back to number format
parseFloat(number....
What should I do when 'svn cleanup' fails?
...follow
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edited Jan 9 '18 at 21:26
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Remove a fixed prefix/suffix from a string in Bash
In my bash script I have a string and its prefix/suffix. I need to remove the prefix/suffix from the original string.
9 A...
What are these ^M's that keep showing up in my files in emacs?
So I think it may have to do with textmate, but we work in a small team and are having some issues with full-file conflicts of nearly identical files in git because each line of one branch has a ^M appended to it.
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JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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How to kill zombie process
...aunched my program in the foreground (a daemon program), and then I killed it with kill -9 , but I get a zombie remaining and I m not able to kill it with kill -9 . How to kill a zombie process?
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Remove header and footer from window.print()
...ndow.print() for printing page, but I got header and footer contains page title, file path, page number and date. How to remove them?
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Inline comments for Bash?
...menting in a Bash script
This will have some overhead, but technically it does answer your question
echo abc `#put your comment here` \
def `#another chance for a comment` \
xyz etc
And for pipelines specifically, there is a cleaner solution with no overhead
echo abc | #...