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What is the meaning of polyfills in HTML5?

... A polyfill is a browser fallback, made in JavaScript, that allows functionality you expect to work in modern browsers to work in older browsers, e.g., to support canvas (an HTML5 feature) in older browsers. It's sort of an HTML5 technique, since it is used in...
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Why use 'virtual' for class properties in Entity Framework model definitions?

... proxy around the virtual property so that the property can support lazy loading and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First? for a more thorough discussion. Edit to clarify "create a proxy around": By "create a proxy a...
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ios Upload Image and Text using HTTP POST

Thanks for reading. 10 Answers 10 ...
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How can I create a correlation matrix in R?

... bright-star 4,67833 gold badges3535 silver badges7575 bronze badges answered May 21 '12 at 7:39 Manuel RamónManuel Ramón ...
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Calling a Method From a String With the Method's Name in Ruby

...') # or FileUtils.public_send(:pwd) and a locally defined method def load() puts "load() function was executed." end send('load') # or public_send('load') Documentation: Object#public_send Object#send share ...
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Stop Visual Studio from mixing line endings in files

...ased file in Visual Studio 2010 it will then write my edits with CRLF instead of the line ending format of the original file. How can I stop VS from doing this? Any half decent editor should have this capability. ...
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Using msbuild to execute a File System Publish Profile

... FYI: I had the same issue with Visual Studio 2015. After many of hours trying, I can now do msbuild myproject.csproj /p:DeployOnBuild=true /p:PublishProfile=myprofile. I had to edit my .csproj file to get it working. It contained a ...
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Behaviour of increment and decrement operators in Python

...e. In this day of optimizing compilers and bytecode interpreted languages, adding operators to a language to allow programmers to optimize their code is usually frowned upon, especially in a language like Python that is designed to be consistent and readable. Confusing side-effects. One common newbi...
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How to copy data to clipboard in C#

...use following namespace declaration, make sure Main is marked with [STAThread] attribute: using System.Windows.Forms; WPF: use following namespace declaration using System.Windows; console: add reference to System.Windows.Forms, use following namespace declaration, make sure Main is marked with ...
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pyplot scatter plot marker size

... plt.show() gives Notice how the size increases very quickly. If instead we have # doubling the area of markers x = [0,2,4,6,8,10] y = [0]*len(x) s = [20*2**n for n in range(len(x))] plt.scatter(x,y,s=s) plt.show() gives Now the apparent size of the markers increases roughly linearly in a...