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Difference between setTimeout with and without quotes and parentheses

I am learning JavaScript and I have learned recently about JavaScript timing events. When I learned about setTimeout at W3Schools , I noticed a strange figure which I didn’t run into before. They are using double quotes and then call the function. ...
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How do I give text or an image a transparent background using CSS?

...r: rgba(255, 0, 0, 0.5); Here's an article from css3.info, Opacity, RGBA and compromise (2007-06-03). <p style="background-color: rgba(255, 0, 0, 0.5);"> <span>Hello, World!</span> </p> ...
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Why can't stash be applied to the working directory?

...d an untracked file that was subsequently added to the repo. When you try and check it out, git rightly refuses because it would be overwriting an existing file. To fix, you could do something like deleting that file (it's okay, it's still in the repo), applying your stash, and then replacing the ...
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of

...ayer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer? 4 A...
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Apache Kafka vs Apache Storm

... You use Apache Kafka as a distributed and robust queue that can handle high volume data and enables you to pass messages from one end-point to another. Storm is not a queue. It is a system that has distributed real time processing abilities, meaning you can exec...
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What are WSDL, SOAP and REST?

... A WSDL is an XML document that describes a web service. It actually stands for Web Services Description Language. SOAP is an XML-based protocol that lets you exchange info over a particular protocol (can be HTTP or SMTP, for example) between applications. It stands for Simple Object Access Pr...
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Cannot push to Heroku because key fingerprint

I am new to Rails, and I was trying to deploy a very simple app to Heroku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error: ...
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Why aren't programs written in Assembly more often? [closed]

It seems to be a mainstream opinion that assembly programming takes longer and is more difficult to program in than a higher level language such as C. Therefore it seems to be recommend or assumed that it is better to write in a higher level language for these reasons and for the reason of better po...
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How to pass parameters correctly?

...++ beginner but not a programming beginner. I'm trying to learn C++(c++11) and it's kinda unclear for me the most important thing: passing parameters. ...
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Recommended way of making React component/div draggable

...by mouse) React component, which seems to necessarily involve global state and scattered event handlers. I can do it the dirty way, with a global variable in my JS file, and could probably even wrap it in a nice closure interface, but I want to know if there's a way that meshes with React better. ...