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Find and extract a number from a string

... go through the string and use Char.IsDigit string a = "str123"; string b = string.Empty; int val; for (int i=0; i< a.Length; i++) { if (Char.IsDigit(a[i])) b += a[i]; } if (b.Length>0) val = int.Parse(b); ...
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How to check if there exists a process with a given pid in Python?

... valid process? I'm getting a pid from a different source other than from os.getpid() and I need to check to see if a process with that pid doesn't exist on the machine. ...
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How to convert/parse from String to char in java?

... But that will turn "123" into '1', is that what you're after? – aioobe Oct 21 '11 at 18:19 1 ...
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jQuery click not working for dynamically created items [duplicate]

... @yes123 Well, because .live and .delegate have been superseded by .on. The .on method provides all functionality for binding events, no other methods are needed anymore. – Šime Vidas Feb 28...
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----

Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--, ...
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How to identify whether a file is normal file or directory

... os.path.isdir() and os.path.isfile() should give you what you want. See: http://docs.python.org/library/os.path.html share | ...
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Split a string at uppercase letters

...er, before doing the split": >>> s = "TheLongAndWindingRoad ABC A123B45" >>> re.sub( r"([A-Z])", r" \1", s).split() ['The', 'Long', 'And', 'Winding', 'Road', 'A', 'B', 'C', 'A123', 'B45'] This has the advantage of preserving all non-whitespace characters, which most other soluti...
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Printing the correct number of decimal points with cout

...lt;iomanip> int main(int argc, char** argv) { float testme[] = { 0.12345, 1.2345, 12.345, 123.45, 1234.5, 12345 }; std::cout << std::setprecision(2) << std::fixed; for(int i = 0; i < 6; ++i) { std::cout << testme[i] << std::endl; } re...
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How do I make calls to a REST api using C#?

...domain.com/objects.json"; private string urlParameters = "?api_key=123"; static void Main(string[] args) { HttpClient client = new HttpClient(); client.BaseAddress = new Uri(URL); // Add an Accept header for JSON format. clien...
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Get path of executable

... There is no cross platform way that I know. For Linux: readlink /proc/self/exe Windows: GetModuleFileName share | improve this answer...