First Pull Request


Missing Java APIs on akka.actor.Address akka/akka

Has `host` and `port` which are `Option[String|Int]`, but is missing corresponding `Optional<String|Integer>`

Created - 0 comments - 1 - triaged good first issue t:core

ConsoleReporter reports 0% frequencies due to rounding typelevel/scalacheck

Due to [rounding](https://github.com/typelevel/scalacheck/blob/master/src/main/scala/org/scalacheck/util/Pretty.scala#L151) the ConsoleReporter prints some frequencies as zero and this can report i...

Created - 0 comments - good first issue help wanted

Implement ConcurrentHashMap.newKeySet and use it in VersionChecks scala-js/scala-js

See https://github.com/scala-js/scala-js/pull/3874#discussion_r348483358

Created - 0 comments - good first issue help wanted missing javalib

Recorder: Support user provided keystore required for talking with the server gatling/gatling

Not that complicated to implement: - introduce in [SslClientContext](https://github.com/gatling/gatling/blob/master/gatling-recorder/src/main/scala/io/gatling/recorder/http/ssl/SslClientContext.sca...

Created - 0 comments - Module - Recorder Type - Feature good first issue help wanted

A new dedicated Cats ecosystem page(s) typelevel/cats

The cats ecosystem has grown tremendously in the past couple of years. We should build a page to help people better navigate the ecosystem. I think we can start with one page with 2 sections: ...

Created - 0 comments - good first issue help wanted

add the fix to the HBase tap. twitter/scalding

https://github.com/Cascading/maple/pull/20/files

Created - 0 comments - beginner feature

Add some default hadoop counters twitter/scalding

cascading adds a few default counters, but we could add some more. For instance hit-count of the map-side cache for commutative semigroups. Helps in tuning the cache size, but there might be others.

Created - 0 comments - beginner feature

Implement sketch inner join, where both sides are sketch twitter/scalding

If both sides of a join are skewed, or you want to do a self join, the Sketched cannot handle that. It would be nice to support these cases.

Created - 0 comments - beginner feature

HMap Key types are erased and allow for unsafe type cast milessabin/shapeless

Here's a minimal example: ``` scala case class Key[T](id: Int) case class Value[T](value: T) class MyMap[K,V] implicit object mapInts extends MyMap[Key[Int], Value[Int]] implicit object...

Created - 0 comments - Design/refactoring Documentation Ready good first issue

Add monoid laws for monoids that operate on mutable objects twitter/algebird

Sadly, not all objects are immutable (and in some cases, they can't be). It's still useful to have monoids on these, but we have to be more careful about how we use them (object reuse is a lot more...

Created - 0 comments - beginner testing

GroupedSummer twitter/algebird

This is stateful summer related. Useful when the Iterator is too large to hold in memory, but sorted or hash bucketed. (Hadoop) ``` scala def groupedSum[K1,V1:Semigroup](in: Iterator[(K1, V1)]...

Created - 0 comments - algorithm beginner

Move IteratorSums from Summingbird here twitter/algebird

https://github.com/twitter/summingbird/blob/develop/summingbird-batch-hadoop/src/main/scala/com/twitter/summingbird/batch/IteratorSums.scala tests: https://github.com/twitter/summingbird/blob/d...

Created - 0 comments - beginner

Show an example of shapeless records + TypedAPI twitter/scalding

Any takers want to make give us an example to get people to see that records can be as easy as the Fields API? https://github.com/milessabin/shapeless

Created - 0 comments - beginner feature

Remove AbstractIterable and AbstractIterator when we get to 2.11 twitter/algebird

the trait method stacking make `new Iterable` very costly in terms of class size. By making one abstract class, you can pay once. Scala 2.11 does this, so we don't have to.

Created - 0 comments - beginner enhancement

Some HyperLogLog tests are not testing what we think. twitter/algebird

https://github.com/twitter/algebird/blob/develop/algebird-test/src/test/scala/com/twitter/algebird/HyperLogLogTest.scala#L100 The code is probably right, but these tests are misleading. They are m...

Created - 0 comments - beginner bug testing

The ExecutionTest with Kmeans is flakey twitter/scalding

The law written is only true with high probability, so it sometimes fails. Need to fix this to denoise the tests.

Created - 0 comments - beginner cleanup

SparseArray/SparseVector.compact should be split into 2-3 functions scalanlp/breeze

Currently, SparseArray/SparseVector.compact does two separate things which are usually not intended to be done together. It should be split into three functions: 1: Add a <code>def filter(predicat...

Created - 0 comments - good first issue help wanted

Investigate Forward Decay paper for possible data structures twitter/algebird

The paper: http://dimacs.rutgers.edu/~graham/pubs/papers/fwddecay.pdf The tantalizing abstract: > While exponential time decay is commonly used in practice, other decay functions (e.g. polynomial...

Created - 0 comments - algorithm beginner

Investigate Forward Decay paper for possible data structures twitter/algebird

The paper: http://dimacs.rutgers.edu/~graham/pubs/papers/fwddecay.pdf The tantalizing abstract: > While exponential time decay is commonly used in practice, other decay functions (e.g. polynomial...

Created - 0 comments - algorithm beginner

Investigate Forward Decay paper for possible data structures twitter/algebird

The paper: http://dimacs.rutgers.edu/~graham/pubs/papers/fwddecay.pdf The tantalizing abstract: > While exponential time decay is commonly used in practice, other decay functions (e.g. polynomial...

Created - 0 comments - algorithm beginner

Investigate Forward Decay paper for possible data structures twitter/algebird

The paper: http://dimacs.rutgers.edu/~graham/pubs/papers/fwddecay.pdf The tantalizing abstract: > While exponential time decay is commonly used in practice, other decay functions (e.g. polynomial...

Created - 0 comments - algorithm beginner

Investigate Forward Decay paper for possible data structures twitter/algebird

The paper: http://dimacs.rutgers.edu/~graham/pubs/papers/fwddecay.pdf The tantalizing abstract: > While exponential time decay is commonly used in practice, other decay functions (e.g. polynomial...

Created - 0 comments - algorithm beginner

auto-deploy github pages on merges to master twitter/algebird

It'd be fantastic if we didn't have to remember to deploy the docs and github pages. This script has the incantations that will make this possible with Travis: https://gist.github.com/domenic/ec...

Created - 0 comments - beginner documentation

Please add elementwise pow to documentation scalanlp/breeze

the ^:^ function is not in the documentation for elementwise power. This should be included as it works how you think it would, it is just not in the docs.

Created - 0 comments - good first issue

LinearProgram: Problem.toString always states "maximize" even if one minimizes scalanlp/breeze

LinearProgram.scala: in line 48 "maximize" is hard-wired

Created - 0 comments - good first issue

Class file named error! twitter/scrooge

My struct define in thrift file is: ``` c struct AB { 1: optional i16 abField; } ``` but i use the maven plugin to generate the java class and the class file is named Ab.java it could not na...

Created - 0 comments - good first issue

Cannot use '_1' as a thrift identifier. twitter/scrooge

The native thrift allows underscore in variable name, but scrooge scala generator does not seem to handle it properly. This thrift definition ``` thrift struct StringTuple { 1: string _1, 2: ...

Created - 0 comments - good first issue

Scrooge-maven-plugin doesn't work with language=java. twitter/scrooge

Sample pom.xml file: https://gist.github.com/nshkrob/71b44aa3b7bde3c3a31e mvn compile fails to compile the generated code with dependency errors. The plugin works with language=scala.

Created - 0 comments - good first issue

Contribute AsyncDoFn upstream spotify/scio

https://github.com/spotify/scio/blob/master/scio-core/src/main/java/com/spotify/scio/transforms/AsyncLookupDoFn.java

Created - 0 comments - P2 backport good first issue help wanted

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