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Removing all non-numeric characters from string in Python

How do we remove all non-numeric characters from a string in Python? 7 Answers 7 ...
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Pragma in define macro

...ay of doing that. Then again, there are no portable ways to use #pragma at all. Because of this, many C/C++ compilers define their own methods for doing pragma-like things, and they often can be embedded in macros, but you need a different macro definition on every compiler. If you are willing to go...
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How to work with complex numbers in C?

...h: creal(z1): get the real part (for float crealf(z1), for long double creall(z1)) cimag(z1): get the imaginary part (for float cimagf(z1), for long double cimagl(z1)) Another important point to remember when working with complex numbers is that functions like cos(), exp() and sqrt() must be repl...
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How to check a string for specific characters?

...r other characters. ... or pattern = re.compile(r'\d\$,') if pattern.findall(s): print('Found') else print('Not found') ... or chars = set('0123456789$,') if any((c in chars) for c in s): print('Found') else: print('Not Found') [Edit: added the '$' in s answers] ...
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Reimport a module in python while interactive

... Redefinitions of names will override the old definitions, so this is generally not a problem, but if the new version of a module does not define a name that was defined by the old version, the old definition is not removed. If a module imports objects from another module using from ... import ..., ...
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How can I get a list of locally installed Python modules?

I would like to get a list of Python modules, which are in my Python installation (UNIX server). 30 Answers ...
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iOS 7 TextKit - How to insert images inline with text?

... – DeepK SOreadytohelp Mar 28 '14 at 11:21 6 How do i resize the NSTextAttachment? ...
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What is the “__v” field in Mongoose

... now, but I wanted something that I could put in the Schema directly so in all queries. – diosney Mar 24 '14 at 11:52 ...
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Asynchronous shell commands

... 117 You can just run the script in the background: $ myscript & Note that this is different...
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Can PostgreSQL index array columns?

... to this question in the documentation. If a column is an array type, will all the entered values be individually indexed? ...