Tutorial by Examples: b

Bulleted lists and Numbered lists

The bulleted list control creates bulleted lists or numbered lists. These controls contain a collection of ListItem objects that could be referred to through the Items property of the control. Basic syntax of a bulleted list: <asp:BulletedList ID="BulletedList1" runat="server&quo...

Basic Site Crawl

pages = [] crawler = Anemone::Core.new(url, options) crawler.on_every_page do |page| results << page.url end crawler.run

Edit row details using sub-element

This example uses a separate element to edit bound data to the row-detail template. Working jsBin <!DOCTYPE html> <html> <head> <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/"> <link rel="import&q...

An example of an anonymous block

DECLARE -- declare a variable message varchar2(20); BEGIN -- assign value to variable message := 'HELLO WORLD'; -- print message to screen DBMS_OUTPUT.PUT_LINE(message); END; /

Install SBT on Linux

Full instructions can be found here. Install the JDK. Set the Java Environment variable. export JAVA_HOME=/usr/local/java/jdk1.8.0_102 echo $JAVA_HOME /usr/local/java/jdk1.8.0_102 export PATH=$PATH:$JAVA_HOME/bin/ echo $PATH ...:/usr/local/java/jdk1.8.0_102/bin/ Install Scala....

Inspecting Meteor Objects on the Client

Since Nightwatch has access to the browser console, it's possible to inspect client side objects using the .execute() API. In the following example, we're checking the Session object for a particular session variable. First, we begin by creating the file ./tests/nightwatch/api/meteor/checkSession...

Components & Page Objects

Page Objects are similar to Custom Commands; except they are collections of custom commands that are associated with a specific UI component. This works extremely well with modern component based design, such as in React. module.exports = { url: 'http://localhost:3000/login', commands: [{ ...

What and why Asp.Net Web API2?

What and Why ? Asp.Net’s Web API2 is the latest version of Web API. It is an easy way to implement a RESTful web service using all of the goodness that the Asp.Net framework provides. Once you understand the basic principles of REST, then a Asp.net Web API2 will be very easy to implement. Web API2...

installing via composer (github)

1 cd my/project/dir 2 git clone git://github.com/zendframework/ZendSkeletonApplication.git 3 cd ZendSkeletonApplication 4 php composer.phar self-update 5 php composer.phar install

Configuration to get Guice injection on Websocket endpoints

First, we need a custom endpoint builder. public class WSConfigurator extends ServerEndpointConfig.Configurator { @Inject private static Injector injector; @Override public <T> T getEndpointInstance(Class<T> endpointClass) throws InstantiationException { ...

Convert String to JsonObject without POJO

String jsonStr = "{\"name\" : \"Abcd\", \"greeting\": \"Hello\", }"; //Sample Json String Gson gson = new Gson(); // Creates new instance of Gson JsonElement element = gson.fromJson (jsonStr, JsonElement.class); //Converts the json string to Json...

One To One relation between employee and desk

Consider a one to one bidirectional relationship between employee and desk. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize...

Basic commands on mongo shell

Show all available databases: show dbs; Select a particular database to access, e.g. mydb. This will create mydb if it does not already exist: use mydb; Show all collections in the database (be sure to select one first, see above): show collections; Show all functions that can be used w...

Installing the RethinkDB package from NPM

npm install -g rethinkdb

Making a connection to RethinkDB

const r = require("rethinkdb"); r.connect({host: 'localhost', port: 28015}, (conn) => console.log(conn)) // Or as a promise let rdb_conn; r.connect({host: 'localhost', port: 28015}).then((conn) => { rdb_conn = conn; }).then(() => { // Continue to use rdb_conn }); ...

Listing all databases

r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.dbList().run(conn); }).then((result) => { // Prints out list of databases on the RethinkDB instance console.log(result); });

Create a new database

r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.dbCreate("stackoverflow").run(conn); }).then((result) => { console.log(result); });

Create a new table on a database

r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.db("stackoverflow").tableCreate("examples").run(conn); }).then((result) => { console.log(result); });

Insert a document into a table

r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.db("stackoverflow").table("examples") .insert({ // If `id` is not set, will automatically generate a UUID id: 1, name: 'Thinker', // Wi...

Querying a document from a table

r.connect({host: 'localhost', port: 28015}) .then((conn) => { // Can also use .get({id: 1}) return r.db("stackoverflow").table("examples").get(1).run(conn) }).then((result) => { console.log(result); })

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