blue-sky

blue-sky has asked 321 questions and find answers to 31 problems.

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scala :: java

blue-sky questions

Ant if statement
How to keep POSIXct format when appending string to date item in list?
How reliable is yahoo finance?
How to insert vector of ones to Matrix?
What to return if item is not present?
Why use a service layer instead of a helper class for spring controllers?
Why using scala parallelism have slower performance in this case?
How is this tail recursive method being iterated?
What is the << operator?
Why doesn't this JavaScript call break the "same origin policy"

blue-sky answers

A required class was missing while executing org.mule.munit.tools: org/codehaus/jackson/annotate/JsonClass
Why is Chrome pausing on some line inside jQuery?
java.lang.NoClassDefFoundError: javax/servlet/Filter
pyspark dataframe, groupby and compute variance of a column
Eclipse "Server Locations" section disabled and need to change to use Tomcat installation
Matplotlib animation not displaying in PyCharm
Display multiple data points in single chart
Scala speed test and profiler
Using regex with filter in Scala
Tomcat is not logging to file