Tutorial by Examples: ti

This query will join three tables: Customer, Order and Orderline. The use of the OF statement as in childtable OF parenttable assumes that indexes are constructed in a specific way. That is the case in the sports2000-database. DEFINE QUERY q1 FOR Customer, Order, Orderline. OPEN QUERY q1 FOR EA...

Keras is a high-level neural networks library, written in Python and capable of running on top of either TensorFlow or Theano. It was developed with a focus on enabling fast experimentation. Being able to go from idea to result with the least possible delay is key to doing good research. Use Keras ...

adb is a command line tool for communicating with an emulator instance or connected device. It allows for installing and debugging apps, transferring files, as well as a variety of other interactions with the connected emulator or device. The ADB system consists of a client, which sends commands fro...

@Configuration public class AppSecurityConfig extends WebSecurityConfigurerAdapter { @Autowired DataSource dataSource; @Autowired public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception { auth.jdbcAuthentication().dataSource(dataSource) .pa...

Selenium-Grid is a configuration of Hub & Node which allows you to run your tests on different machines against different browser combinations in parallel. That is, running multiple tests at the same time against different machines running different browsers on different operating systems. In ot...

The Hub The Hub is the main engine/central point of the entire configuration, point where all the nodes are connected. Hub should run only on a single machine. There should only be 1 hub running where all the tests are loaded. Tests will be run on the machines where hub is running, but you can...

RunTime Type Services (short: RTTS) are used either for: creating types (RunTime Type Creation; short: RTTC) analysing types (RunTime Type Identification; short: RTTI) Classes CL_ABAP_TYPEDESCR | |--CL_ABAP_DATADESCR | | | |--CL_ABAP_ELEMDESCR | |--CL_ABAP_REFDESCR ...

Before setting up a Selenium grid you need to make sure you have Java installed and configured in your computer’s environment path. Configure the Hub Download latest stable Selenium Server version. Start the command prompt and navigate to the location in which you placed the Selenium server jar...

Person Microdata <section itemscope itemtype="http://schema.org/Person"> Hello, my name is <span itemprop="name">John Doe</span>, I am a <span itemprop="jobTitle">Graduate research assistant</span> at the <span itempr...

Locking on an stack-allocated / local variable One of the fallacies while using lock is the usage of local objects as locker in a function. Since these local object instances will differ on each call of the function, lock will not perform as expected. List<string> stringList = new List<st...

Detailed instructions on getting data-warehouse set up or installed.

Generate a RSA private key: openssl genrsa -des3 -out server.key 4096 Openssl should ask for a pass phrase at this step. Notice that we’ll use only certificate for communication and authentication, without pass phrase. Just use 123456 for example. Generate the Certificate Signing Request: openssl ...

To run the private registry (securely) you have to generate a self-signed certificate, you can refer to previous example to generate it. For my example I put server.key and server.crt into /root/certs Before run docker command you should be placed (use cd) into the directory that contains certs fo...

The continue statement in Objective-C programming language works somewhat like the break statement. Instead of forcing termination, however, continue forces the next iteration of the loop to take place, skipping any code in between. For the for loop, continue statement causes the conditional test a...

import socket import hashlib import os import time import itertools import threading import sys import Crypto.Cipher.AES as AES from Crypto.PublicKey import RSA from CryptoPlus.Cipher import IDEA #server address and port number input from admin host= raw_input("Server Address - &gt...

import time import socket import threading import hashlib import itertools import sys from Crypto import Random from Crypto.PublicKey import RSA from CryptoPlus.Cipher import IDEA #animating loading done = False def animate(): for c in itertools.cycle(['....','.......','..........'...

There are specific scenarios where in we might need to create a Quartz scheduler,based on user input on when a scheduler should be triggered,apart from we can handle cases,where we have certain pre-defined functionalities,which need to be triggered based on user action,at a certain period. This exa...

Our openstack tenant is already set: a virtual lan gives instances private IP a virtual router map public IP to private IP a security key has been generated we have default firewall configuration for ssh and port 80 we are able to launch an instance thanks to the OpenStack web interface ...

Use the 'os_server_facts' command from module 'Cloud' [http://docs.ansible.com/ansible/os_server_module.html]. Variables are defined in ./group_vars/all and the instance name is in server: "MyOwnPersonalInstance". $vi get_compute_info.yml - name: Get and print instance IP hosts: loca...

This guide is explicitly for PostgreSQL 9.1 or higher on linux machines. It uses the postgres extensions-feature that will greatly improve the import of extensions to an existing postgres-installation. If you have to work with an older version of postgres, please refer to the official documentations...