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What is the difference between "let" and "var"?
javascript
scope
var
ecmascript-6
let
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How to choose the right bean scope?
scope
jsf
jsf-2
managed-bean
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UnboundLocalError on local variable when reassigned after first use
variables
python
scope
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How do I access previous promise results in a .then() chain?
javascript
scope
promise
bluebird
es6-promise
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Why does this UnboundLocalError occur (closure)?
closures
python
scope
global-variables
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