Java SE 8 For the Really Impatient, Note 8

Chapter 5 The New Date and Time APIDate AdjustersCompute dates such as “the first Tuesday of every month”. TemporalAdjusters: provides a nu

25 minutes Coding Notes, Java Mar 25 2016

Java SE 8 For the Really Impatient, Note 7

Chapter 4 JavaFx is skipped for now. Chapter 5 The New Date and Time APILearn what makes time computations so vexing, and how the new Data

12 minutes Coding Notes, Java Mar 24 2016

Java SE 8 For the Really Impatient, Note 6

Chapter 3 Programming with LambdasReturning FunctionsConsider methods whose return type is a functional interface.1Image brightenedImage = t

22 minutes Coding Notes, Java Mar 23 2016

Java SE 8 For the Really Impatient, Note 5

Chapter 3 Programming with LambdasLearn how to create your own libraries that make use of lambda expressions and functional interfaces. Key

17 minutes Coding Notes, Java Mar 22 2016

Java SE 8 For the Really Impatient, Note 4

Chapter 2 The Stream APIGrouping and PartioninggroupingBy: forms groups of values with the same characteristic12// grouping locales by count

20 minutes Coding Notes, Java Mar 21 2016

Java SE 8 For the Really Impatient, Note 3

Chapter 2 The Stream APISimple Reductionsreductions: reduces the stream to a value.terminal operation: the stream ceases to be usable. List

22 minutes Coding Notes, Java Mar 17 2016

Java SE 8 For the Really Impatient, Note 2

Chapter 2 The Stream APIProcessing collections of values and specifying what you want to have done, leaving the scheduling of operations to

15 minutes Coding Notes, Java Mar 16 2016

Java SE 8 For the Really Impatient, Note 1

Chapter 1 Lambda ExpressionsWhyA block of code was passed to someone - a thread pool, a sort method, or a button. The code was called at som

18 minutes Coding Notes, Java Mar 15 2016

Export Index Using Elasticsearch Dump

A very common problem we encounter in Elasticsearch cluster management is how to copy an index to another cluster. For example, we need to m

10 minutes Coding Notes, Elasticsearch Mar 11 2016

Reroute Unassigned Shards

Red Cluster!There are 3 cluster states: green: All primary and replica shards are active yellow: All primary shards are active, but not

15 minutes Coding Notes, Elasticsearch Mar 6 2016

Update Elasticsearch License

Marvel is the official Elasticsearch monitoring plugin. Although it’s free, it requires subscription for a basic license. The initial tria

7 minutes Coding Notes, Elasticsearch Feb 17 2016

Upgrade from Hexo 2.8.2 to 3.1.1

Recently I decided to update my Hexo blog to the latest version and start to writing posts again. The process was not that smooth. So I wrot

14 minutes Coding Notes, Hexo Oct 30 2015