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Create a folder inside documents folder in iOS apps

... I do that the following way: NSError *error; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; // Get documents folder NSString *dataPath = [documentsD...
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Android Calling JavaScript functions in WebView

...reated a nice wrapper to call JavaScript methods; it also shows JavaScript errors in log: private void callJavaScript(String methodName, Object...params){ StringBuilder stringBuilder = new StringBuilder(); stringBuilder.append("javascript:try{"); stringBuilder.append(methodName); st...
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Setting a property by reflection with a string value

... You can use a type converter (no error checking): Ship ship = new Ship(); string value = "5.5"; var property = ship.GetType().GetProperty("Latitude"); var convertedValue = property.Converter.ConvertFrom(value); property.SetValue(self, convertedValue); In ...
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How to use MySQLdb with Python and Django in OSX 10.6?

... I had the same error and pip install MySQL-python solved it for me. Alternate installs: If you don't have pip, easy_install MySQL-python should work. If your python is managed by a packaging system, you might have to use that system (e.g...
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Modular multiplicative inverse function in Python

... call last): File "<stdin>", line 1, in <module> ZeroDivisionError: not invertible >>> gmpy.divm(1, 4, 8) Traceback (most recent call last): File "<stdin>", line 1, in <module> ZeroDivisionError: not invertible >>> gmpy.divm(1, 4, 9) mpz(7) divm() will...
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Download file from web in Python 3

...eout) if response.status_code != 200: raise requests.ConnectionError(f'{response.status_code}') instance_io = StringIO if isinstance(next(response.iter_content(chunk_size=1)), str) else BytesIO io_obj = instance_io() cur_size = 0 for chunk in response.iter_content(chunk_...
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification

...download a file from a https server. When I run it, it returns a lot of errors. It seems that I have a problem with my certificate. Is it possible to ignore the client-server authentication? If so, how? ...
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MySQL case insensitive select

...h wrong. – phil294 Mar 14 '18 at 23:05  |  show 6 more comments ...
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What are POD types in C++?

...tement. – MSalters Sep 29 '08 at 12:05 1 @Steve Jessop: Why do we need to differentiate between P...
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How do I set the figure title and axes labels font size in Matplotlib?

...e. – Mad Physicist Dec 15 '15 at 19:05 1 @AlexanderMcFarlane. I ran python -c 'import matplotlib ...