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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
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Try this:
String after = before.trim().replaceAll(" +", " ");
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 re...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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One can also use a spec_helper.rb file in all projects. The file should include the following:
RSpec.configure do |config|
# Use color in STDOUT
config.color = true
# Use color not only in STDOUT but also in pagers and files
config.tty = true
# Use the s...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...ature in my app which loads marker image from url which is working fine on all os versions but Lolipop. In Lolipop it does not render the downloaded icon. Does anyone has idea?
– Vinay
Apr 3 '15 at 7:22
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catch all unhandled exceptions in ASP.NET Web Api
How do I catch all unhandled exceptions that occur in ASP.NET Web Api so that I can log them?
5 Answers
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How does “cat
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This is called heredoc format to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read...
How to access app.config in a blueprint?
...horisation.py which in a package api. I am initializing the blueprint in __init__.py which is used in authorisation.py .
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How to use PyCharm to debug Scrapy projects
... a virtualenv with Python 3.5.0 and setting the "script" parameter to /path_to_project_env/env/bin/scrapy solved the issue for me.
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var functionName = function() {} vs function functionName() {}
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(Remember that Array#map passes the entry as the first argument, and the index as the second.)
In both cases, the body of the function is just an expression; the function's return value will automatically be the result of that expression (you don't use an explicit return).
If you're doing more t...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...er hand, if you're casting between pointer types (as is fairly common when indexing in memory via a char*, for example), static_cast will generate a compiler error and you'll be forced to use reinterpret_cast anyway.
In practice I use reinterpret_cast because it's more descriptive of the intent of ...
How does data binding work in AngularJS?
...nd bind-once databinding to help with this problem. Furthermore it now has indexes for your repeater source, which lets you modify the list without rebuilding the dom for the entire content.
– Gaute Løken
Mar 3 '14 at 11:34
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