Tutorial by Examples: e

Setup springfox using swagger-ui in spring-boot

Get springfox into your application by using Maven or Gradle Create a new Docket bean in your application and configure it Document your API according to your needs Launch your application and see your achieved results #1 Getting springfox with Maven Add the dependencies for swagger2 and sw...

Installation or Setup

v8 uses the Google depot_tools for getting the source and building the library. To install depot_tools, follow the instructions here: https://www.chromium.org/developers/how-tos/install-depot-tools Get the v8 source by running /path/to/depot_tools/fetch v8 After running this command, to pull ...

Installation or Setup

Detailed instructions on getting CentOS 7 installation and basic set up for starting on. Download latest CentOS .ISO - https://www.centos.org/download/ After downloading the last version of CentOS using above links or using official CentOS download page. Burn it to a DVD or create a bootable USB...

Relational operators

Of all the operators, relational operators are the most complex ones, that is why we left them to the end. Relational operators are also known as Comparison operators, they are used to compare things. Comparison result is boolean false or true. Interestingly though, if you check it in V...

Xorshift Generation

A good and easy alternative to the flawed rand() procedures, is xorshift, a class of pseudo-random number generators discovered by George Marsaglia. The xorshift generator is among the fastest non-cryptographically-secure random number generators. More information and other example implementaions ar...

Sources and sinks

Sources and sinks are objects that know how to open streams. BytesCharsReadingByteSourceCharSourceWritingByteSinkCharSink Creating sources and sinks Note: for all examples, consider UTF_8 as if the following import is set: import static java.nio.charset.StandardCharsets.UTF_8; Reading from a ...
guava • I/O

Installation or Setup

Detailed instructions on getting twitter set up or installed.

Password Protect your VBA

Sometimes you have sensitive information in your VBA (e.g., passwords) that you don't want users to have access to. You can achieve basic security on this information by password-protecting your VBA project. Follow these steps: Open your Visual Basic Editor (Alt + F11) Navigate to Tools -> V...

Hide/Show HTML Elements

This example hide show html elements. <!DOCTYPE html> <html ng-app="myDemoApp"> <head> <script src="https://code.angularjs.org/1.5.8/angular.min.js"></script> <script> function HideShowController() { var vm = th...

Keeping Compatability

Of course, just like most things in browser JavaScript, you just can't count on the fact that everything will be the same everywhere. In this case, requestAnimationFrame might have a prefix on some platforms and are named differently, such as webkitRequestAnimationFrame. Fortunately, there's a reall...

Building a composite index

In many situations, a composite index performs better than an index with a single column. To build an optimal composite index, populate it with columns in this order. = column(s) from the WHERE clause first. (eg, INDEX(a,b,...) for WHERE a=12 AND b='xyz' ...) IN column(s); the optimizer may be...

Simple Function

call :FunctionX rem More code... :FunctionX rem Some code here. goto :eof This is a very simple function. Functions are in-program commands that do multiple commands at a time. Functions are made by creating a label and putting code in it, and once it is done, you add a goto :eof or exit ...

Function With Parameters

call :tohex 14 result rem More code... :tohex <innum> <outvar> set dec=%1 set outvar=%~2 rem %n and %~n are functionally identical, but %~n is slightly safer. goto :eof This takes the additional parameters from the call as if the function was a separate Batch file. Note: the ...

Function Utilizing setlocal and endlocal

set var1=123456789 set var2=abcdef call :specialvars echo %var1%, %var2% rem More code... :specialvars setlocal set var1=987654321 set var2=fedcba endlocal goto :eof When inside the section setlocal , endlocal section, variables are seperate from the caller's variables, hence why %var...

Combining them all

set importantvar=importantstuff call :stuff 123 var1 rem More code... :stuff <arg1> <arg2> setlocal set importantvar=%~1 echo Writing some stuff into %~2! endlocal set %~2=some stuff setlocal set importantvar=junk endlocal goto :eof This utilizes the basic function, setl...

Site Built With Apex

Site Built With Apex which shows list of application built with Oracle application express.

Pre-Steps needed in order to use Entity Framework 6.1.3 with PostgresSql using Npgsqlddexprovider

1)Took backup of Machine.config from locations C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config and C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config 2)Copy them to different location and edit them as a)locate and add under <system.data> <DbProviderFactories> ...

Global Exception Resolver

@Component public class RestExceptionResolver extends ExceptionHandlerExceptionResolver { @Autowired //If you have multiple handlers make this a list of handlers private RestExceptionHandler restExceptionHandler; /** * This resolver needs to be injected because it is the...

Passing Props While Using Vue JSX

We have a parent component: Importing a child component in it we'll pass props via an attribute. Here the attribute is 'src' and we're passing the 'src' too. ParentComponent.js import ChildComponent from './ChildComponent'; export default { render(h, {props}) { const src = 'https://...

Server Installation & Implementation

GraphQL.js GraphQL.js is a JavaScript reference implementation for GraphQL. You can install it via npm: Initialize npm in your project if you have not done so already: npm init Install GraphQL.js from npm: npm install --save graphql Example Server var { graphql, buildSchema } = require('gra...

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