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Assigning a variable NaN in python without numpy
...g) be said to be equal to one another -- see What is the rationale for all comparisons returning false for IEEE754 NaN values? for more details and information.
Instead, use math.isnan(...) if you need to determine if a value is NaN or not.
Furthermore, the exact semantics of the == operation on ...
What happens with constraints when a view is removed
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It's common sense that the constraints are removed along with the view really. If they weren't how would the layout system be able to evaluate them in a future pass?
– Mike Pollard
Sep 4 '13 ...
Show or hide element in React
...ent.querySelector("#container"))
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.13.1/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.13.1/umd/react-dom.production.min.js"></script>
<div id="containe...
Grep not as a regular expression
...le $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 Answers
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Event listener for when element becomes visible?
...re a way i can put an event listener on my toolbar to listen for when it becomes visible so it can initialize? or will I have to pass it a variable from the containing page?
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How to post JSON to a server using C#?
... library to perform this task in a simpler way, it is here: https://github.com/ademargomes/JsonRequest
Hope it helps.
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Event binding on dynamically created elements?
...match then your custom handler function is executed.
Prior to this, the recommended approach was to use live():
$(selector).live( eventName, function(){} );
However, live() was deprecated in 1.7 in favour of on(), and completely removed in 1.9. The live() signature:
$(selector).live( eventName, fu...
How to access the first property of a Javascript object?
...s by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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How do I Convert DateTime.now to UTC in Ruby?
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