Tutorial by Examples: d

Here's how to create an Express server and serve index.html by default (empty path /), and page1.html for /page1 path. Folder structure project root | server.js |____views | index.html | page1.html server.js var express = require('express'); var path = require('path')...

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...

If you have a moment object you can use add and substract to manipulate it or set any property of the time directly moment("2016-01-01").add(1, 'year').format('YYYY-MM-DD') // -> "2017-01-01" Or use .day(), .month(), .year(), .seconds(), .milliseconds() to set those val...

You can use moment to parse date strings. By default moment tries to parse the date as an ISO-8601 string and if that does not work falls back to the browsers new Date(). Since the way that browsers construct dates varies it is best to try not to fall back to this. moment('2016-02-04').format('YYY...

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>

Each table view must have a delegate and a data source. Delegate Methods None of the delegate methods are actually required, however you'll need to implement tableView:didSelectRowAtIndexPath: to handle touches on a table cell: And other methods are... // Display customization - (void)tableVi...

AppleScript can display dialogs and alerts to the user. Dialogs are for optionally requesting user input. display dialog "Hello World" display alert "Hello World" You can customise the buttons of either using buttons and passing a list of text. display dialog "Hell...

SELECT ROWNUM NO FROM DUAL CONNECT BY LEVEL <= 10

Dependency installation ( https://www.npmjs.com/package/gulp-imagemin ) $ npm install --save-dev gulp-imagemin Usage /* * Your other dependencies. */ var imagemin = require('gulp-imagemin'); /* * `gulp images` - Run lossless compression on all the images. */ gulp.task('images', f...

You can create a custom exception and throw them during the execution of your function. As a general practice you should only throw an exception when your function could not achieve its defined functionality. Private Function OpenDatabase(Byval Server as String, Byval User as String, Byval Pwd as S...

#lang racket (for ([path (in-directory)] #:when (regexp-match? #rx"[.]rkt$" path)) (printf "source file: ~a\n" path)) The #lang line specifies the programming language of this file. #lang racket we are using the baseline, battery-included Racket programming language. O...

// my-feature.module.ts import { CommonModule } from '@angular/common'; import { NgModule } from '@angular/core'; import { MyComponent } from './my.component'; import { MyDirective } from './my.directive'; import { MyPipe } from './my.pipe'; import { MyService } from './my.service...

Generics was introduced in Java in its version (1.)5. These are erased during compilation, so runtime reflection is not possible for them. Generics generate new types parametrized by other types. For example we do not have to create new classes in order to use type safe collection of Strings and Num...

Select * from firm's_address; Select * from "firm's_address";

Say you have a table named table or you want to create a table with name which is also a keyword, You have to include the name table in pair of double quotes "table" Select * from table; Above query will fail with syntax error, where as below query will run fine. Select * from "tab...

Odoo provides official installers, for various OS types and Openerp/Odoo versions, at the Nightly repository Option 1: manual install from prebuilt installer package (Windows, Linux): Download installer/package of version of your choice for your system ( Windows (.exe), Debian/Ubuntu (.deb), Redh...

public class HomepageTests { private IWebDriver _driver; [SetUp] public void LoadDriver() { _driver = new ChromeDriver(); } [Test] public void Valid_Home_Page_Title() { _driver.Navigate().GoToUrl("Your homeoage url / loc...

Gridviews are more useful if we can update the view as per our need. Consider a view with a lock/unlock feature in each row. It can be done like: Add an update panel: <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional"> </asp:UpdatePane...