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Calculating a directory's size using Python?

Before I re-invent this particular wheel, has anybody got a nice routine for calculating the size of a directory using Python? It would be very nice if the routine would format the size nicely in Mb/Gb etc. ...
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Should I Dispose() DataSet and DataTable?

... Here are a couple of discussions explaining why Dispose is not necessary for a DataSet. To Dispose or Not to Dispose ?: The Dispose method in DataSet exists ONLY because of side effect of inheritance-- in other words, it doesn't actually do anything useful i...
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Opening project in Visual Studio fails due to nuget.targets not found error

... Install Nuget. Right click on the solution and select "Enable NuGet Package Restore". In Visual Studio 2013 and later, select "Restore NuGet Packages" instead. Click Ok on the warning. Close and re-open the solution. Should...
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Is there ever a time where using a database 1:1 relationship makes sense?

I was thinking the other day on normalization, and it occurred to me, I cannot think of a time where there should be a 1:1 relationship in a database. ...
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When should I use Arrow functions in ECMAScript 6?

The question is directed at people who have thought about code style in the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language. ...
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Getting current device language in iOS?

I'd like to show the current language that the device UI is using. What code would I use? 31 Answers ...
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How to fix Error: “Could not find schema information for the attribute/element” by creating schema

I have a windows forms application written in VS2010 with C# and get the following errors in the app.config file: 10 Answ...
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How to unset a JavaScript variable?

I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defined. ...
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How to display a dynamically allocated array in the Visual Studio debugger?

...array elements. However, if you have an array allocated dynamically and pointed to by a pointer, it will only display the first element of the array when you click the + to expand it. Is there an easy way to tell the debugger, show me this data as an array of type Foo and size X? ...
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Disable migrations when running unit tests in Django 1.7

Django 1.7 introduced database migrations . 7 Answers 7 ...