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What is the use of having destructor as private?

...e connection being open or a file being written. You could have a "request_delete" method in the class or the manager that will check that condition and it will either delete or decline, and return a status telling you what it did. That's far more flexible that just calling "delete". ...
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How to use permission_required decorators on django class-based views

...m, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there some section in the django docs explaining this? I didn't found anything. What is wrong in my code? ...
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Python list directory, subdirectory, and files

... comprehension list: all_files = [os.path.join(path, name) for name in files for path, subdirs, files in os.walk(folder)] – Nir Aug 12 '19 at 14:40 ...
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How to list imported modules?

...ems(): if isinstance(val, types.ModuleType): yield val.__name__ This won't return local imports, or non-module imports like from x import y. Note that this returns val.__name__ so you get the original module name if you used import module as alias; yield name instead if you wa...
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Converting any string into camel case

... If anyone is using lodash, there is a _.camelCase() function. _.camelCase('Foo Bar'); // → 'fooBar' _.camelCase('--foo-bar--'); // → 'fooBar' _.camelCase('__FOO_BAR__'); // → 'fooBar' ...
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An established connection was aborted by the software in your host machine

... sometimes fails to establish a connection with the Emulator, so this can happen in some cases. share | improve this answer | follow | ...
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Parse a .py file, read the AST, modify it, then write back the modified source code

...n 42").body[0] ] # Replace function body with "return 42" print(codegen.to_source(p)) This will print: def foo(): return 42 Note that you may lose the exact formatting and comments, as these are not preserved. However, you may not need to. If all you require is to execute the replaced AS...
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Dealing with float precision in Javascript [duplicate]

...000000004 > (x * cf) * (y * cf) / (cf * cf) 0.02 Quick solution: var _cf = (function() { function _shift(x) { var parts = x.toString().split('.'); return (parts.length < 2) ? 1 : Math.pow(10, parts[1].length); } return function() { return Array.prototype.reduce.call(argum...
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error: passing xxx as 'this' argument of xxx discards qualifiers

...ere the value type is the same as the key type, both iterator and const_iterator are constant iterators. It is unspecified whether or not iterator and const_iterator are the same type. So VC++ 2008 Dinkumware implementation is faulty. Old answer: You got that error because in certain...
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Format a datetime into a string with milliseconds

... Useful with timezone too: date = datetime(2019,5,10) date_with_tz = pytz.timezone('Europe/Rome').localize(date) date_with_tz.isoformat(sep='T', timespec='milliseconds') output: '2019-05-10T00:00:00.000+02:00' – Ena May 10 '19 at 9:17 ...