Tutorial by Examples: g

page.js var context = { items: [ {id: 1, name: "Foo"}, {id: 2, name: "Bar"}, {id: 3, name: "Joe"} ] } exports.loaded = function(args){ var page = args.object; page.bindingContext = context; } exports.showEntry = functi...

Achieving multitenancy on database server with multiple databases hosted on it. Multitenancy is common requirement of enterprise application nowadays and creating connection pool for each database in database server is not recommended. so, what we can do instead is create connection pool with datab...

import pandas as pd data = [ {'name': 'Daniel', 'country': 'Uganda'}, {'name': 'Yao', 'country': 'China'}, {'name': 'James', 'country': 'Colombia'}, ] df = pd.DataFrame(data) filename = 'people.csv' df.to_csv(filename, index=False, encoding='utf-8')

The Python function import_csv_to_dynamodb(table_name, csv_file_name, colunm_names, column_types) below imports a CSV file into a DynamoDB table. Column names and column must be specified. It uses boto. Below is the function as well as a demo (main()) and the CSV file used. import boto MY_ACCESS...

Instead of gem 'rails' You can specify a github user/repo combination with gem 'rails', github: 'rails/rails'

This example shows how you can use IIS Rewrite rules to force HTTPS by making all HTTP requests return a 301 (Permanent) Redirect to the HTTPS page. This is usually better than using the [RequireHttps] attribute because the attribute uses a 302 redirect, and being in the MVC pipeline it is much slo...

Bootstrap provides a couple of classes for advanced table styling. Striped rows You will have a table with striped rows, if you add .table-striped class: <table class="table table-striped"> <thead><tr><th>First Name</th><th>Last name</th><...

Peudo-random generators are frequently useful when designing simulation environments. The following VHDL package shows how to use protected types to design a pseudo-random generator of boolean, bit and bit_vector. It can easily be extended to also generate random std_ulogic_vector, signed, unsigned....

JS // data model var person = { name: ko.observable('Jack'), age: ko.observable(29) }; ko.applyBindings(person); HTML <div> <p>Name: <input data-bind='value: name' /></p> <p>Age: <input data-bind='value: age' /></p> &l...

First install gulp and browserify via npm i gulp gulp-browserify. This will install browserify into your node_modules folder. gulpfile.js var gulp = require('gulp'); var browserify = require('gulp-browserify'); gulp.task('script', function() { gulp.src('./src/script.js') .pipe(br...

First install gulp and browserify via npm i gulp gulp-coffeeify. This will install browserify into your node_modules folder. gulpfile.js var gulp = require('gulp'); var coffeeify = require('gulp-coffeeify'); gulp.task('script', function() { gulp.src('./src/script.coffee') .pipe(c...

app.js angular.module('myApp', ['ui.router']) .service('User', ['$http', function User ($http) { this.getProfile = function (id) { return $http.get(...) // method to load data from API }; }]) .controller('profileCtrl', ['profile', function profileCtrl (profile) { // i...

url: /api/data/v8.0/annotations json: { "isdocument": true, "mimetype": "text/plain", "documentbody": "dGVzdA==", "[email protected]" : "/accounts(c6da77b6-d53e-e611-80b9-0050568a6c2d)", "...

url: /api/data/v8.0/accounts json: { "name" : "New account" }

url: /api/data/v8.0/contacts json: { "firstname" : "New", "lastname" : "Contact", "[email protected]" : "/accounts(c6da77b6-d53e-e611-80b9-0050568a6c2d)" } As the parentcustomerid can be an account or ...

docker inspect command can be used to debug the container logs. The stdout and stderr of container can be checked to debug the container, whose location can be obtained using docker inspect. Command : docker inspect <container-id> | grep Source It gives the location of containers stdout an...

This is the equivalent of the other example but using ES6 instead. export function printHelloWorld() { console.log("Hello World!!!"); }

A basic VisualForce page can be created like this: <apex:page> <h1>Hello, world!</h1> </apex:page>

If your page is for displaying or editing information about a particular type of record, it may be helpful to use a standard controller to reduce the amount of boilerplate code you need to write. By using a standard controller, your page will be displayed with an ?id=SALESFORCE_ID parameter, and yo...

It is a good practice to encrypt your Web.config file if you have sensitive information there, for example a connection string with password. With the ASP.NET IIS Registration tool (Aspnet_regiis.exe) you can easily encrypt specific sections of Web.config file. A command with elevated privileges is...