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How to replace a character by a newline in Vim
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Use \r instead of \n.
Substituting by \n inserts a null character into the text. To get a newline, use \r. When searching for a newline, you’d still use \n, however. This asymmetry is due to the fact that \n and \r do slightly different things:
\n matches an end of line (newline...
What are these ^M's that keep showing up in my files in emacs?
... fix them yourself.
Edit: I found the following Python sample code here:
string.replace( str, '\r', '' )
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Is there a way to pass optional parameters to a function?
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2 extra lines to give better introspection is worth it. With this if you run help(func) you get a clearer idea how the argument is interpreted if not passed explicitly.
– Tadhg McDonald-Jensen
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Difference between -pthread and -lpthread while compiling
...nswer, but, IMO, it doesn't provide enough context and insight. Hence this extra answer.
-lpthread is a solution for a problem that no longer exists (since ~2005).
In the old days there were proprietary implementations of Pthreads API that weren't POSIX-compliant, like LinuxThreads. POSIX standard ...
What is the proper way to display the full InnerException?
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You can simply print exception.ToString() -- that will also include the full text for all the nested InnerExceptions.
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Regular expression to match a word or its prefix
... preg_match('(dart|fart)', $gun4);
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Variables gun1 and gun2 contain the string dart or fart which is correct, but gun3 contains darty and still matches, that is the problem. So onto the next example.
Match specific words on the commandline with word boundaries:
Word Boundaries can be force mat...
How to assert greater than using JUnit Assert?
...st how you've done it. assertTrue(boolean) also has an overload assertTrue(String, boolean) where the String is the message in case of failure; you can use that if you want to print that such-and-such wasn't greater than so-and-so.
You could also add hamcrest-all as a dependency to use matchers. Se...
How to convert a string to lower case in Bash?
Is there a way in bash to convert a string into a lower case string?
20 Answers
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How does the @property decorator work in Python?
...erty()
<property object at 0x10ff07940>
It is this object that has extra methods:
>>> property().getter
<built-in method getter of property object at 0x10ff07998>
>>> property().setter
<built-in method setter of property object at 0x10ff07940>
>>> prop...
How do I “source” something in my .vimrc file?
...I know just put everything in _vimrc.
A good practice is to keep all your extra files (plugins, colorschemes, snippets ...) in a separate (your own) vimfiles directory (which you can take with you).
If you do
:help vimfiles
vim will tell your vimfiles directory should be located. It depends som...