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'is' versus try cast with null check
...y MyType and doesn't need to be cast again
...
}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
...
}
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How can I determine what font a browser is actually using to render some text?
...lfred Hughes' answer, Firefox now supports this natively. This article has more details.
This answer original referenced the "Font Finder" plugin, but only because it was from 4 years ago. The fact that old answers linger like this and the community cannot update them is one of the few remaining f...
What are 'closures' in .NET?
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There's always more to learn :) I've just finished reading CLR via C# - very informative. Other than that, I usually ask Marc Gravell for WCF/binding/expression trees, and Eric Lippert for C# language things.
– Jon Ske...
Perform debounce in React.js
...xample running here and you should read react-async-hook documentation for more details.
2018: try promise debouncing
We often want to debounce API calls to avoid flooding the backend with useless requests.
In 2018, working with callbacks (Lodash/Underscore) feels bad and error-prone to me. It'...
How do search engines deal with AngularJS applications?
... no way around serving a pre-rendered version to the crawler. You can read more about Google's recommendations for ajax and javascript-heavy sites here.
If this is an option I'd recommend reading this article about how to do SEO for Angular with server-side rendering.
I’m not sure what the craw...
How to find and return a duplicate value in array
... if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space, which may not be available
– Dav...
Metadata file '.dll' could not be found
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Why is the default value of the string type null instead of an empty string?
...re the empty string, I would not have
to test, and I would feel it to be more consistent with the other
value types like int or double for example.
Assigning the default value to a specific reference type other than null would make it inconsistent.
Additionally Nullable<String> would...
Managing Sessions in Node.js? [closed]
... and runs on top of connect.
Geddy: http://geddyjs.org/
If you want to do more complex WebApps, Geddy is the one you choose. Is like Rails for Ruby.
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What is the yield keyword used for in C#?
...so worth noting you can use yield break; when you don't want to return any more items.
– Rory
May 17 '11 at 18:13
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