Tutorial by Examples: f

To train a neural network, firstly we need to design a good and efficient idea. There are three types of learning tasks. Supervised Learning Reinforcement Learning Unsupervised Learning In this present time, unsupervised learning is very popular.Unsupervised Learning is a deep learning task...

Problem Factors are used to represent variables that take values from a set of categories, known as Levels in R. For example, some experiment could be characterized by the energy level of a battery, with four levels: empty, low, normal, and full. Then, for 5 different sampling sites, those levels c...

Fetching the values from the SQLite3 database. Print row values returned by select query import sqlite3 conn = sqlite3.connect('example.db') c = conn.cursor() c.execute("SELECT * from table_name where id=cust_id") for row in c: print row # will be a list To fetch single match...

SharePoint 2013: Access User Profile Service Data using JSOM in SharePoint 2013 ​ In this article, we will learn to manage or access User Profile Service(UPS) Application using JSOM (Javascript Object Model) and create a basic App. Before we start, lets go through basic UPS terminology first. Us...

It's possible to have your own custom code styles, share them with other team members and use a shortcut to auto format the code in a file. To create your own custom code style, go to: Preferences -> Editor -> Code Style There are some general code style settings here. You can also select ...

To use typescript with webpack you need typescript and ts-loader installed npm --save-dev install typescript ts-loader Now you can configure webpack to use typescript files // webpack.config.js module.exports = { .. resolve: { // .js is required for react imports. // .tsx is ...

Block Size and Blocks in HDFS : HDFS has the concept of storing data in blocks whenever a file is loaded. Blocks are the physical partitions of data in HDFS ( or in any other filesystem, for that matter ). Whenever a file is loaded onto the HDFS, it is splitted physically (yes, the file is divi...

section .data msg_eq db 'Equal', 10 len_eq equ $ - msg_eq msg_le db 'Less than', 10 len_le equ $ - msg_le msg_gr db 'Greater than', 10 len_gr equ $ - msg_gr ; Length of msg_gr section .text global _main ; Make the _main label global for linker _main: cmp...

Users may face the following issue: log4j:WARN No appenders could be found for logger (dao.hsqlmanager). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. One reason this can occur is if the log4j.prop...

Before checking the specific syntax, let's take a look on how to setup your environment to load needed plugins. Setup To load data directly from ElasticSearch you need to download the elasticsearch-hadoop plugin. You have different ways to make it work, for a quick setup you can do the following. ...

<gpx xmlns="http://www.topografix.com/GPX/1/1" xmlns:gpxx = "http://www.garmin.com/xmlschemas/GpxExtensions/v3" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX...

In the following naive parallel merge sort example, std::async is used to launch multiple parallel merge_sort tasks. std::future is used to wait for the results and synchronize them: #include <iostream> using namespace std; void merge(int low,int mid,int high, vector<int>&num)...

Referring to non-static members in initializer lists before the constructor has started executing can result in undefined behavior. This results since not all members are constructed at this time. From the standard draft: §12.7.1: For an object with a non-trivial constructor, referring to any no...

Simple Codec Here to illustrate the working principle we can use simple encryption and decryption as follows. public static String encrypt(String input) { // Simple encryption, not very strong! return Base64.encodeToString(input.getBytes(), Base64.DEFAULT); } public static String dec...

Simple Codec Here to illustrate the working principle we can use simple encryption and decryption as follows. public static String encrypt(String input) { // Simple encryption, not very strong! return Base64.encodeToString(input.getBytes(), Base64.DEFAULT); } public static String dec...

We have a Student table with SubjectId. Here the requirement is to concatenate based on subjectId. All SQL Server versions create table #yourstudent (subjectid int, studentname varchar(10)) insert into #yourstudent (subjectid, studentname) values ( 1 ,'Mary' ) ,( 1 ,'John' ...

In case of SQL Server 2017 or vnext we can use in-built STRING_AGG for this aggregation. For same student table, create table #yourstudent (subjectid int, studentname varchar(10)) insert into #yourstudent (subjectid, studentname) values ( 1 ,'Mary' ) ,( 1 ,'John' ) ,( 1 ...

import scalaz._ import Scalaz._ scala> val len: String => Int = _.length len: String => Int = $$Lambda$1164/969820333@7e758f40 scala> Functor[Option].map(Some("foo"))(len) res0: Option[Int] = Some(3) scala> Functor[Option].map(None)(len) res1: Option[Int] = None ...

A common need for random numbers it to generate a number that is X% of some max value. this can be done by treating the result of NextDouble() as a percentage: var rnd = new Random(); var maxValue = 5000; var percentage = rnd.NextDouble(); var result = maxValue * percentage; //suppose NextDoub...

apcu_cache_info provides information about the store and its entries: print_r(apcu_cache_info()); Note that invoking apcu_cache_info() without limit will return the complete data currently stored. To only get the meta data, use apcu_cache_info(true). To get information about certain cache ...