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AttributeError: 'module' object has no attribute 'tests'

... I finally figured it out working on another problem. The problem was that my test couldn't find an import. It looks like you get the above error if your test fails to import. This makes sense because the test suite can't import ...
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DataTrigger where value is NOT null?

... I'm using this to only enable a button if a listview item is selected (ie not null): <Style TargetType="{x:Type Button}"> <Setter Property="IsEnabled" Value="True"/> <Style.Triggers> <DataTrigger Binding="{Binding ElementName=lvMyList, Path=Selecte...
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What is the instanceof operator in JavaScript?

...ce p inherits from Person.prototype. Per the OP's request I've added a small example with some sample code and an explanation. When you declare a variable you give it a specific type. For instance: int i; float f; Customer c; The above show you some variables, namely i, f, and c. The type...
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How to import a module given its name as string?

...mand" modules makes his/her whole command-app fail on one exception. Personally I'd for loop over each import individually wrapped in a try: mods=__import__()\nexcept ImportError as error: report(error) to allow other commands to continue to work while the bad ones get fixed. –...
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How to remove k__BackingField from json when Deserialize

... Automatic Property syntax is actually not recommended if the class can be used in serialization. Reason being the backing field is generated by compiler which can be different each time code is compiled. This can cause incompatibility issues even if no chang...
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Passing argument to alias in bash [duplicate]

...etom: If you're referring to the colors in my answer, that's done automatically by the syntax highlighter. – Paused until further notice. Jul 7 '14 at 5:12 ...
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How to call a parent method from child class in javascript?

...Here's how its done: ParentClass.prototype.myMethod(); Or if you want to call it in the context of the current instance, you can do: ParentClass.prototype.myMethod.call(this) Same goes for calling a parent method from child class with arguments: ParentClass.prototype.myMethod.call(this, arg1, arg2...
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

... while (i < 1000){ // Here's the meat - the part that really matters. r0 = _mm_mul_pd(r0,rC); r1 = _mm_add_pd(r1,rD); r2 = _mm_mul_pd(r2,rE); r3 = _mm_sub_pd(r3,rF); r4 = _mm_mul_pd(r4,rC); r5 = _mm_add_pd(r5...
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Converting VS2012 Solution to VS2010

...y still get the incompatible error (as David reported) if you had .NET 4.5 selected as the default .NET version in your VS2012 project and your VS2010 enviroment doesn't support that. To quickly fix that, open the VS2012 .csproj file in a text editor and change the TargetFrameworkVersion down to 4....
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without

... You can also select the branch to publish in your repository settings, in the first tab (Options) near the bottom. It default to gh_pahes if the branch exists, else None (disabled). You can select master or any other branch. ...