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What blocks Ruby, Python to get Javascript V8 speed? [closed]

...s Ruby, Python to get Javascript V8 speed? Nothing. Well, okay: money. (And time, people, resources, but if you have money, you can buy those.) V8 has a team of brilliant, highly-specialized, highly-experienced (and thus highly-paid) engineers working on it, that have decades of experience (I'm ...
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How does __proto__ differ from constructor.prototype?

... I've been trying to wrap my head around this recently and finally came up with this "map" that I think sheds full light over the matter http://i.stack.imgur.com/KFzI3.png I know I'm not the first one making this up but it was more interesting figuring it out that finding it ...
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SAML: Why is the certificate within the Signature?

... SAML responses come with a signature and a public key for that signature. You can use the public key to verify that the content of the SAML response matches the key - in other words - that response definitely came from someone who has the matching private key t...
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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?

... on the relationship between UIView's setNeedsLayout , layoutIfNeeded and layoutSubviews methods? And an example implementation where all three would be used. Thanks. ...
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Do DOM tree elements with ids become global variables?

...e HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome : 5 Answers ...
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Building and running app via Gradle and Android Studio is slower than via Eclipse

...of which building takes about 20-30 seconds each time. When I press Run in Android Studio, I have to wait every time to rebuild the app, which is extremely slow. ...
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Getting image dimensions without reading the entire file

...(jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something like this should be already there. Also, I’ve verifi...
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Do declared properties require a corresponding instance variable?

...des your getter/setter for you. The auto-coder setter initializes integers and floats to zero, for example. IF you declare an instance variable, and DO NOT specify a corresponding @property, then you cannot use @synthesize and must write your own getter/setter. You can always override the auto-cod...
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What does the caret operator (^) in Python do?

I ran across the caret operator in python today and trying it out, I got the following output: 5 Answers ...
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Shards and replicas in Elasticsearch

I am trying to understand what shard and replica is in Elasticsearch, but I didn't manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?). ...