Tutorial by Examples: g

Transaction using JDBC driver is used to control how and when a transaction should commit and rollback. Connection to MySQL server is created using JDBC driver JDBC driver for MySQL can be downloaded here Lets start with getting a connection to database using JDBC driver Class.forName("com.m...

/_build /cover /deps erl_crash.dump *.ez # Common additions for various operating systems: # MacOS .DS_Store # Common additions for various editors: # JetBrains IDEA, IntelliJ, PyCharm, RubyMine etc. .idea

project structure (ansible best practice). project/ group_vars/ development inventory.development playbook.yaml it all starts with inventory.development [development] dev.fakename.io [development:vars] ansible_host: 192.168.0.1 ansible_user: dev ansible_pass: pass ansible...

DirectiveDefaultContextDescriptionRewriteBaseNoneDirectory, .htaccessSets base URL for per directory rewriteRewriteEngineoffeverywhereEnable or disable runtime rewrite engine RewriteBase The directive specifies URL prefix to be used for substituting relative paths. RewriteEngine The directive, i...

Protractor needs only two files to run the first test, spec (test code) file and configuration file. The spec file contains test code and the other one contains configuration details like spec file path, browser details, test url, framework parameters etc. To write first test we will be providing on...

The background task are a great way to perform some work while your application is not running. Before being able to use then , you will have to register them. Here is a sample of a background task class including the registration with a trigger and a condition and the Run implementation public se...

var baseLayer = new ol.layer.Tile({ visible: true, preload: Infinity, source: new ol.source.BingMaps({ // We need a key to get the layer from the provider. // Sign in with Bing Maps and you will get your key (for free) key: 'Ap9VqFbJYRNkatdxt3KyzfJxXN_9GlfA...

Getting Started You must do the following to get started with Pygame: import pygame This opens a window of size 640,480, and stores it in a variable called screen. Setting up a window name Setting up a name for the pygame window requires the following syntax: pygame.display.set_caption('Name...

The short story Whith VHDL 2008 and if the type of the clock is bit, boolean, ieee.std_logic_1164.std_ulogic or ieee.std_logic_1164.std_logic, a clock edge detection can be coded for rising edge if rising_edge(clock) then if clock'event and clock = '1' then -- type bit, std_ulogic or std_logic ...

Using the --config flag. $ /bin/mongod --config /etc/mongod.conf $ /bin/mongos --config /etc/mongos.conf Note that -f is the shorter synonym for --config.

//import Speech //import AVFoundation // create a text field to show speech output @IBOutlet weak var transcriptionTextField: UITextView! // we need this audio player to play audio var audioPlayer: AVAudioPlayer! override func viewDidLoad() { super.viewDidLoad() } // this functio...

The JWS JSON Serialization represents digitally signed or MACed content as a JSON object. This representation is neither optimized for compactness nor URL-safe. This syntax is optimized for more than one digital signature and/or MAC operation. Line breaks added for readability { &quo...

The JWE JSON Serialization represents encrypted content as a JSON object. This representation is neither optimized for compactness nor URL safe. This syntax is optimized for more than one recipient. Line breaks added for readability { "protected":"<integrity-protect...

from neo4jrestclient import client q = 'MATCH (u:User)-[r:likes]->(m:language) WHERE u.name="Marco" RETURN u, type(r), m' "db" as defined above results = db.query(q, returns=(client.Node, str, client.Node)) Print results for r in results: print("(%s)-[%s]->...

$response = Requests::post("https://content.dropboxapi.com/2/files/download", array( 'Authorization' => "Bearer <ACCESS_TOKEN>", 'Dropbox-Api-Arg' => json_encode(array('path' => '/test.txt')), )); $fileContent = $response->body; $metadata = json_d...

<?php function dbx_get_file($token, $in_filepath, $out_filepath) { $out_fp = fopen($out_filepath, 'w+'); if ($out_fp === FALSE) { echo "fopen error; can't open $out_filepath\n"; return (NULL); } $url = 'https://content.dropbox...

Node.js apis can be easily constructed in Express web framework. Following example creates a simple GET api for listing all users. Example var express = require('express'); var app = express(); var users =[{ id: 1, name: "John Doe", age : 23, e...

Following example create POST api using Express. This example is similar to GET example except the use of body-parser that parses the post data and add it to req.body. Example var express = require('express'); var app = express(); // for parsing the body in POST request var bodyParser = require...

In this example, the total cost of buying food items is found by taking the number of each item and multiplying it by its cost and then adding all those values together. Instead of creating a separate column for Number times Price and then summing the values in that new column, we can calculate ...

SciPy provides basic image manipulation functions. These include functions to read images from disk into numpy arrays, to write numpy arrays to disk as images, and to resize images. In the following code, only one image is used. It is tinted, resized, and saved. Both original and resulting images a...