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Containers in the same docker network have access to exposed ports. docker network create sample docker run --net sample --name keys consul agent -server -client=0.0.0.0 -bootstrap Consul's Dockerfile exposes 8500, 8600, and several more ports. To demonstrate, run another container in the same ...

Networks can be specified in a compose file (v2). By default all the containers are in a shared network. Start with this file: example/docker-compose.yml: version: '2' services: keys: image: consul command: agent -server -client=0.0.0.0 -bootstrap test: image: alpine tty...

The docker --link argument, and link: sections docker-compose make aliases to other containers. docker network create sample docker run -d --net sample --name redis redis With link either the original name or the mapping will resolve the redis container. > docker run --net sample --link red...

One to Many mapping is generally simply a bidirectional relationship of Many to One mapping. We will take same example that we took for Many to one mapping. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnNa...

Exporting data from employees table to /tmp/ca_employees INSERT OVERWRITE LOCAL DIRECTORY '/tmp/ca_employees' SELECT name, salary, address FROM employees WHERE se.state = 'CA'; Exporting data from employees table to multiple local directories based on specific condition The below query shows how ...

Employee Entity @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize = 1) @Id @GeneratedValue(strategy = GenerationType.TABLE, generat...

Employee entity. package com.thejavageek.jpa.entities; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Joi...

Vim has special operators to match word beginning, word, end, and so forth.\< represents the beginning of a word and \> represents the end of a word. Searching for /\<foo\> in the following text will only return the last foo. football is not foolish foo

The following configuration can be used as a base config for bundling up your project as a library. Notice how the module config contains a list of preLoaders and loaders. // webpack.config.js var path = require('path'); module.exports = { entry: path.join(__dirname, '..', 'src/index.js...

Express router allows you to create multiple "mini apps" so you can namespace your api, public, auth and other routes into separate routing systems. var express = require('express'); var app = express(); var router = express.Router(); router.get('/', function(req, res){ ...

To use an Asset Catalog, you need to do the following: Double-click the Info.plist file in the Solution Explorer to open it for editing. Scroll down to the App Icons section. From the Source dropdown list, ensure AppIcons is selected. From the Solution Explorer, double-click the Assets.xcasset...

First we can specify the directories of header files by include_directories(), then we need to specify the corresponding source files of the target executable by add_executable(), and be sure there's exactly one main() function in the source files. Following is a simple example, all the files are a...

public override void ViewDidLoad() { base.ViewDidLoad(); // Perform any additional setup after loading the view, typically from a nib. //Declare the search bar and add it to the header of the table searchBar = new UISearchBar(); searchBar.SizeToFit(); ...

For multiple databases, you have the database.php file where you can set as many databases as you need. If you want to "switch" a database for a specific model on the fly, use the setDataSource() method. For example, if you have two databases, you can define them in the database.php file...

<Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"> <WebView x:Name="MyWebView" /> </Grid>

MyWebView.Navigate(new Uri("http://www.url.com"));

MyWebView.Navigate(new Uri("ms-appdata:///local/Downloads/index.html"));

// resize the image to be contained within a maximum width and height, keeping aspect ratio public static UIImage MaxResizeImage(this UIImage sourceImage, float maxWidth, float maxHeight) { var sourceSize = sourceImage.Size; var maxResizeFactor = Math.Min(maxWidth / sourceSize.Width, max...

// resize the image (without trying to maintain aspect ratio) public static UIImage ResizeImage(this UIImage sourceImage, float width, float height) { UIGraphics.BeginImageContext(new SizeF(width, height)); sourceImage.Draw(new RectangleF(0, 0, width, height)); var resultImage = UIG...

// crop the image, without resizing public static UIImage CropImage(this UIImage sourceImage, int crop_x, int crop_y, int width, int height) { var imgSize = sourceImage.Size; UIGraphics.BeginImageContext(new SizeF(width, height)); var context = UIGraphics.GetCurrentContext(); ...