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Android: Getting a file URI from a content URI?

...o get a file:// path from the content:// URI: String filePath = null; Uri _uri = data.getData(); Log.d("","URI = "+ _uri); if (_uri != null && "content".equals(_uri.getScheme())) { Cursor cursor = this.getContentResolver().query(_uri, new String[] ...
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How to think in data stores instead of databases?

...operty(db.Key) #all the users who are able to view this league def get_managers(self): # This returns the models themselves, not just the keys that are stored in teams return UserPrefs.get(self.managers) def get_coaches(self): # This returns the models themselves, n...
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Difference between fprintf, printf and sprintf?

...on> #include <stdarg.h> #include <stdio.h> struct exception_fmt : std::exception { exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3))); char const* what() const throw() { return msg_; } char msg_[0x800]; }; exception_fmt::exception_fmt(char const* fm...
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Polymorphism in C++

...rtual Base& operator+=(int) = 0; }; struct X : Base { X(int n) : n_(n) { } X& operator+=(int n) { n_ += n; return *this; } int n_; }; struct Y : Base { Y(double n) : n_(n) { } Y& operator+=(int n) { n_ += n; return *this; } double n_; }; void f(Base& x) { x...
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Mocking Extension Methods with Moq

... DoWorkMethod { [ExcludeFromCodeCoverage] get { return _DoWorkMethod ?? (_DoWorkMethod = (obj, val) => { return obj.DoWork(val); }); } set { _DoWorkMethod = value; } } private Func<IMyObject, string, object> _DoWorkMethod; Then you call the Func instead of ...
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pytest: assert almost equal

...0.3], [0.6]]) leads to a TypeError. If found that Numpy's np.testing.assert_allclose([[0.1 + 0.2], [0.2 + 0.4]], [[0.3], [0.6]]) (see answer below) did work for this case. – Kurt Peek Sep 12 '17 at 10:35 ...
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An error occurred while validating. HRESULT = '8000000A'

...n try to change the DWORD value for the following registry value to 0: HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\12.0_Config\MSBuild\EnableOutOfProcBuild (VS2013) or HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\14.0_Config\MSBuild\EnableOutOfProcBuild (VS2015) If this doesn't exi...
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Why use Abstract Base Classes in Python?

...igher-level, semantic promises in the contract. For example, if there is a __str__() method, it is expected to return a string representation of the object. It could delete all contents of the object, commit the transaction and spit a blank page out of the printer... but there is a common understand...
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C# 4.0 optional out/ref arguments

...lify: // new overload public bool SomeMethod() { return SomeMethod(out _); // declare out as an inline discard variable } (Thanks @Oskar / @Reiner for pointing this out.) share | improve thi...
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Use ASP.NET MVC validation with jquery ajax?

...alidation Resources http://msdn.microsoft.com/en-us/vs2010trainingcourse_aspnetmvccustomvalidation_topic5.aspx Server Side NOTE: This is only for additional server side validation on top of jQuery.validation library Perhaps something like this could help: [ValidateAjax] public JsonResult Edi...