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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 cat'
>>> ' Hello '.strip()...
How to find the extension of a file in C#?
...ombination of both checks is probably a reasonable solution but ultimately if security is a concern then there should be more rigourous checks e.g. blocking unsigned files or content sampling.
– James
Feb 28 '18 at 18:41
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Where to place $PATH variable assertions in zsh?
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tl;dr version: use ~/.zshrc
And read the man page to understand the differences between:
~/.zshrc, ~/.zshenv and ~/.zprofile.
Regarding my comment
In my comment attached to the answer kev gave, I said:
This seems to be incorrect - /etc/profile isn't listed in any zsh documentati...
Is there any way in C# to override a class method with an extension method?
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@Alex by mentioning virtual I am simply clarifying what it means to be polymorphic. In virtually all uses of GetHashCode, the concrete type is unknown - so polymorphism is in play. As such, extension methods wouldn't help even if they took priority in the regular compi...
Volatile vs Static in Java
... be one variable for each Object. So, on the surface it seems there is no difference from a normal variable but totally different from static. However, even with Object fields, a thread may cache a variable value locally.
This means that if two threads update a variable of the same Object concurren...
How to pass password automatically for rsync SSH command?
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If you can not use a keyfile, but do not want to include the password in the command, you can write it into a temporary file and include it like this: sshpass -p`cat .password` ssh [...]. Then protect your .password file by c...
Remove all whitespace in a string
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If you want to remove leading and ending spaces, use str.strip():
sentence = ' hello apple'
sentence.strip()
>>> 'hello apple'
If you want to remove all space characters, use str.replace():
(NB this only remov...
Remove/hide a preference from the screen
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Yes, if you have a reference to both the Preference, and its parent (a PreferenceCategory, or PreferenceScreen)
myPreferenceScreen.removePreference(myPreference);
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Chmod 777 to a folder and all contents [duplicate]
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If you are going for a console command it would be:
chmod -R 777 /www/store. The -R (or --recursive) options make it recursive.
Or if you want to make all the files in the current directory have all permissions type:
chmo...
Best way to compare 2 XML documents in Java
...g xml2 = ...
XMLUnit.setIgnoreWhitespace(true); // ignore whitespace differences
// can also compare xml Documents, InputSources, Readers, Diffs
assertXMLEqual(xml1, xml2); // assertXMLEquals comes from XMLTestCase
}
}
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