Prerequisites
Java8 (1.8.0_91)
Eclipse neon (JavaScript and Web Developer)
Play Framework 2.5.4
Installing Scala in Eclipse
Launch the Eclipse
Open Help > Eclipse Marketplace
Type Scala in Find
Install Scala IDE
Setup sbteclipse
Open play project .\project\ plugins.sbt
Add f...
1.Download font-awesome from here.
2.Copy the font-awesome directory into your project.
3.In the of your html, reference the location to your font-awesome.min.css.
<link rel="stylesheet" href="path/to/bootstrap/css/bootstrap.min.css">
<link rel="stylesheet"...
The first thing you want to do for local development is install ElasticSearch in your machine and test it to see if it is running. It requires Java to be installed. The installation is pretty straightforward:
Mac OS X: brew install elasticsearch
Ubuntu: sudo apt-get install elasticsearch
Then...
When you are getting started with ElasticSearch (ES) it might be good to have a graphical tool that helps you explore your data. A plugin called elasticsearch-head does just that. To install it, do the following:
Find out in which folder ES is installed: ls -l $(which elasticsearch)
cd into this...
FOR XML PATH and STUFF to concatenate the multiple rows into a single row:
select distinct t1.id,
STUFF(
(SELECT ', ' + convert(varchar(10), t2.date, 120)
FROM yourtable t2
where t1.id = t2.id
FOR XML PATH (''))
, 1,...
Ubuntu binaries are available for both 32-bit and 64-bit architectures
source /etc/lsb-release && echo "deb http://download.rethinkdb.com/apt $DISTRIB_CODENAME main" | sudo tee /etc/apt/sources.list.d/rethinkdb.list
wget -qO- https://download.rethinkdb.com/apt/pubkey.gpg | sudo a...
Downloading
Prerequisites: We provide native 64-bit binaries for Windows 7 and above. A 64-bit version of Windows is required.
Download the ZIP archive and unpack it in a directory of your choice.
The Windows port of RethinkDB is a recent addition and hasn't received as much tuning as the Linux a...
User defined table functions represented by org.apache.hadoop.hive.ql.udf.generic.GenericUDTF interface. This function allows to output multiple rows and multiple columns for a single input.
We have to overwrite below methods :
1.we specify input and output parameters
abstract StructObjectInspe...
Update build.sbt with :
scalaVersion := "2.11.8" // Make sure to have installed Scala 11
sparkVersion := "2.0.0" // Make sure to have installed Spark 2.0
Note that when compiling with sbt package, the .jar will now be created in target/scala-2.11/, and the .jar name will al...
ML Transformers now generates org.apache.spark.ml.linalg.VectorUDT instead of org.apache.spark.mllib.linalg.VectorUDT.
They are also mapped locally to subclasses of org.apache.spark.ml.linalg.Vector. These are not compatible with old MLLib API which is moving towards deprecation in Spark 2.0.0.
//...
The Firebase auth system is the source of a users uid, displayName, photoURL, and maybe email. Password based accounts set these persistent values in the auth system via the .updateProfile method. Storing these values in the Realtime Database, rDB, users node poses the issue of stale data. Displa...
This custom UserControl will appear as a regular combobox, but unlike the built-in ComboBox object, it can show the user a default string of text if they have not made a selection yet.
In order to accomplish this, our UserControl will be made up of two Controls. Obviously we need an actual ComboBox...
Let we assume we have two databases "ORA1" and "ORA2". We can access the objects of "ORA2" from database "ORA1" using a database link.
Prerequisites:
For creating a private Database link you need a CREATE DATABASE LINK privilege.
For creating a private Data...
QML came with rich set of visual elements. Using only QML we can build complex applications with these elements.
Also it's very easy to build your own element based on set of standard items like Rectangle, Button, Image etc.
Moreover, we can use items like Canvas to build element with custom paint...
Goto - http://www.jorambarrez.be/blog/2010/08/02/tutorial-a-bpmn-2-0-hello-world-with-activiti-5-0-alpha4-in-5-steps/
A very Good and detailed tutorial by Joram Barrez (one of the core Developer of Activiti)
Plugins are a way for a developer to modify a chart as it is being created. Chart.js calls all plugins at the following chart states:
Start of initialization
End of initialization
Start of update
After the chart scales have calculated
Start of datasets update
End of datasets update
End of u...
Create horizontal lines with a label. This could be used to show notable values in the chart data (e.g. min, max, average). JSFiddle Demo
var horizonalLinePlugin = {
afterDraw: function(chartInstance) {
var yScale = chartInstance.scales["y-axis-0"];
var canvas = chartInstance...
