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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...

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

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> ...

@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...

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://...

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...

Wanted version for C and C++ can be specified globally using respectively variables CMAKE_C_STANDARD (accepted values are 98, 99 and 11) and CMAKE_CXX_STANDARD (accepted values are 98, 11 and 14): set(CMAKE_C_STANDARD 99) set(CMAKE_CXX_STANDARD 11) These will add the needed compile options on t...

Service broker is technology based on asyncronous communication between two(or more) entities. Service broker consists of: message types, contracts, queues, services, routes, and at least instance endpoints More: https://msdn.microsoft.com/en-us/library/bb522893.aspx

ALTER DATABASE [MyDatabase] SET ENABLE_BROKER WITH ROLLBACK IMMEDIATE;

USE [MyDatabase] CREATE MESSAGE TYPE [//initiator] VALIDATION = WELL_FORMED_XML; GO CREATE CONTRACT [//call/contract] ( [//initiator] SENT BY INITIATOR ) GO CREATE QUEUE InitiatorQueue; GO CREATE QUEUE TargetQueue; GO CREATE SERVICE InitiatorService ON QUEUE...

For this demonstration we will use service broker construction created in another part of this documentation. Mentioned part is named 3. Create basic service broker construction on database (single database communication). USE [MyDatabase] DECLARE @ch uniqueidentifier = NEWID() DECLARE @msg XML...

For this demonstration we will use service broker construction created in another part of this documentation. Mentioned part is called 3. Create basic service broker construction on database (single database communication). First we need to create a procedure that is able to read and process data f...

Detailed instructions on getting file set up or installed.

npm install --global yarn If you didn't have npm installed before, check there website documentation for more details. https://yarnpkg.com/en/docs/install

Yarn can check the licenses of your dependencies and can also generate a license based on your package's dependencies. yarn licenses yarn licenses generate

yarn why package-name will identify why a package is installed and which other packages depend upon it. yarn why react

Almost any controller needs some external dependencies to work. Here is a way to configure a dependency object (or its factory) and pass it to a controller. Doing so will help to sustain a separation of concerns, keep code clear and testable. Say, we have an interface and its implementation that...

BeautifulSoup allows you to filter results by providing a function to find_all and similar functions. This can be useful for complex filters as well as a tool for code reuse. Basic usage Define a function that takes an element as its only argument. The function should return True if the argument m...

To illustrate how to use regr_slope(Y,X), I applied it to a real world problem. In Java, if you don't clean up memory properly, the garbage can get stuck and fill up the memory. You dump statistics every hour about memory utilization of different classes and load it into a postgres database for anal...

Lets first understand the problem, consider this figure- We want to calculate ϴ, where we know A, B & O. Now, if we want to get ϴ, we need to find out α and β first. For any straight line, we know- y = m * x + c Let- A = (ax, ay), B = (bx, by), and O = (ox, oy). So for the line OA- oy =...