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What are type lambdas in Scala and what are their benefits?

...o write out inline. Here's an example from my code from today: // types X and E are defined in an enclosing scope private[iteratee] class FG[F[_[_], _], G[_]] { type FGA[A] = F[G, A] type IterateeM[A] = IterateeT[X, E, FGA, A] } This class exists exclusively so that I can use a name like FG[...
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What are the basic rules and idioms for operator overloading?

... operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code right. If you fail, either your operator’s code won’t compile or your users’ code won’t compile or your users’ code...
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How to assign an exec result to a sql variable?

...from changing the stored proc's signature – Michael Sander Aug 31 '16 at 7:43 2 Used this as well...
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How do I match any character across multiple lines in a regular expression?

... and what if i wanted just a new line and not all characters ? – Grace Apr 11 '11 at 12:02 3 ...
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How is this fibonacci-function memoized?

...mechanism in Haskell is by-need: when a value is needed, it is calculated, and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access. Th...
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean

...s work kind of independent, they boot in application server initialization and scan classes of all artifacts including jar, ejb-jar, war and ear files in deployment time and gather and store some metadata about them, then when you need an object of a class at runtime they will give you instances of ...
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How efficient can Meteor be while sharing a huge collection among many clients?

...iption provides; the Mongo driver, which watches the database for changes; and the merge box, which combines all of a client's active subscriptions and sends them out over the network to the client. Publish functions Each time a Meteor client subscribes to a collection, the server runs a publish f...
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Use find command but exclude files in two directories

...t to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders. 6 Answers ...
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How to convert a Git shallow clone to a full clone?

... Neither answer worked for me. Both commands succeeded in fetching all the missing commits, but when I try to push new commits, I get an error about the server not knowing about 'shallow' refs – Tyguy7 Sep 19 '15 at 0:08 ...
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iTerm2 keyboard shortcut - split pane navigation

I have been a long time user of the standard Mac Terminal. Decided to experiment with iTerm2 after hearing good things about it from my colleagues. ...