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React.js: Wrapping one component into another
...ause props (actually, the name) are the same as before". With the children based solution above, even if the wrapper is PureComponent, it is not the case because the children element is recreated everytime the parent renders, which means the wrapper will likely always re-render, even if the wrapped ...
What is the difference between LL and LR parsing?
... LL parse, the parser continuously chooses between two actions:
Predict: Based on the leftmost nonterminal and some number of lookahead tokens, choose which production ought to be applied to get closer to the input string.
Match: Match the leftmost guessed terminal symbol with the leftmost unconsu...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...old. RWH was written at a time version 6.8 of GHC was being used. 6.8 used base version 3.0.x.x. 6.10.1 already used 4.0.0.0, which introduced many changes. And that's just the jump from 6.8 to 6.10. The current version of GHC is 7.10. Monads have been changed. There's currently a discussion to remo...
Node.js and CPU intensive requests
...ever waiting on data - it's already there for them.
Single threaded event-based web servers makes sense as a paradigm when the bottleneck is waiting on a bunch of mostly empty socket connections and you don't want a whole thread or process for every idle connection and you don't want to poll your 2...
How do I set up a basic Ruby project?
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How to execute the ruby project. I have built a console based ruby project for student teacher timetable. Not sure how to execute it??
– rAzOr
Jan 29 '17 at 11:24
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What is the significance of 1/1/1753 in SQL Server?
... as the minimum date value for a datetime in SQL Server goes back to its Sybase origins.
The significance of the date itself though can be attributed to this man.
Philip Stanhope, 4th Earl of Chesterfield. Who steered the Calendar (New Style) Act 1750 through the British Parliament. This legisla...
Call method in directive controller from other controller
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You can also use events to trigger the Popdown.
Here's a fiddle based on satchmorun's solution. It dispenses with the PopdownAPI, and the top-level controller instead $broadcasts 'success' and 'error' events down the scope chain:
$scope.success = function(msg) { $scope.$broadcast('succes...
Android destroying activities, killing processes
... No, this is not true and has not ever been true. It's confusing based on the docs, but see: stackoverflow.com/questions/7536988/…
– greg7gkb
Jul 10 '14 at 21:01
2
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A monad is just a monoid in the category of endofunctors, what's the problem?
...of sets. You can read more about that here: en.wikipedia.org/wiki/Cartesian_product, but the basic idea is that an element of S × T is a pair (s, t), where s ∈ S and t ∈ T. So the signature of the monoidal product • : S × S -> S in this context simply means a function that takes 2 element...
Why doesn't C# support the return of references?
...o show to other internal teams to get their feedback. However at this time based on our research we believe that the feature does not have broad enough appeal or compelling usage cases to make it into a real supported language feature. We have other higher priorities and a limited amount of time and...