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You can use @Value("#{expression}") to inject value at runtime, in which the expression is a SpEL expression. Literal expressions Supported types include strings, dates, numeric values (int, real, and hex), boolean and null. "#{'Hello World'}" //strings "#{3.1415926}&qu...

import React from 'react'; import Pane from './components/Pane.js'; import Panel from './components/Panel.js'; import PanelGroup from './components/PanelGroup.js'; class MainView extends React.Component { constructor(props) { super(props); } render() { return...

Example Feature file: Feature: Calculator In order to avoid silly mistakes As a math idiot I want to be told the sum of two numbers @mytag Scenario: Add two numbers Given I have entered 50 into the calculator And I have also entered 70 into the calculator When I press ad...

Print a number in binary, quaternary, octal, hexadecimal and a general power of two All the bases that are a power of two, like the binary (21), quaternary (22), octal (23), hexadecimal (24) bases, have an integral number of bits per digit1. Thus to retrieve each digit2 of a numeral we simply brea...

Ajax : New request : Client sends request : Server , Do you have new notification ? Server sends response : Client , NO connection ends New request : Client sends request : Server , Do you have new notification ? Server sends response : Client , NO connection ends New request ...

In the official reference document, it says: The main function of an inbound Channel Adapter is to execute a SQL SELECT query and turn the result set as a message. The message payload is the whole result set, expressed as a List, and the types of the items in the list depend on the row-mapping st...

In the Spring Integration Reference Docuement, it says: The outbound Channel Adapter is the inverse of the inbound: its role is to handle a message and use it to execute a SQL query. The message payload and headers are available by default as input parameters to the query... Java code p...

1. Static data to be used in app. To save static data in plist follow these methods: a) Add a new file b) Click Property list in Resources c) Name the propertylist and a file will be created as(data.plist here) d) You can create a plist of Arrays and Dictionaries as: // Read plist from...

For starting tvOS I assume must have knowledge of swift and iOS app. One can start reading article from apple reference document. There are 2 type of Tv app we can create one is traditional app, i.e created in xcode code would be similar as we do in iOS app. Here we take example of other type of t...

A green rect with a complex mask applied to it showing the background image. <svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <mask id="myMask0"> <circle cx="50" c...

Plain Vanilla Filtering To filter any view, override its get_queryset method to return a filtered query set class HREmployees(generics.ListAPIView): def get_queryset(self): return Employee.objects.filter(department="Human Resources") All the API functions will then use t...

We will use retrofit 2 and SimpleXmlConverter to get xml data from url and parse to Java class. Add dependency to Gradle script: compile 'com.squareup.retrofit2:retrofit:2.1.0' compile 'com.squareup.retrofit2:converter-simplexml:2.1.0' Create interface Also create xml class wrapper in our cas...

<# .DESCRIPTION Writes the metric out in bosun external collector format which is compatible with scollector external scripts .PARAMETER metric Name of the metric (eg : my.metric) .PARAMETER type Type of metric (counter, gauge, etc) .PARAMETER unit ...

Odoo uses ORM(Object Relational Mapping) technique to interact with database. ORM will help to create a virtual object database that can be used within from the Python. In ORM technique each model is represented by a class that sub-classes Models.model. Models.model is the main super class for regu...

A constant expression is an expression that yields a primitive type or a String, and whose value can be evaluated at compile time to a literal. The expression must evaluate without throwing an exception, and it must be composed of only the following: Primitive and String literals. Type ca...

Java expressions are evaluated following the following rules: Operands are evaluated from left to right. The operands of an operator are evaluated before the operator. Operators are evaluated according to operator precedence Argument lists are evaluated from left to right. Simple Example I...

The Z80 has a specific instruction to implement loop counts: DJNZstanding for "decrement B register and jump if not zero". So, B is the register of choice to implement loops on this processor. FOR...NEXT needs to be implemented "backwards", because the register counts down to zer...

SampleViewModel.vb 'Import classes related to WPF for simplicity Imports System.Collections.ObjectModel Imports System.ComponentModel Public Class SampleViewModel Inherits DependencyObject 'A class acting as a ViewModel must inherit from DependencyObject 'A simple string p...

The sync() method reads and fetched the model data Backbone.sync = function(method, model) { document.write("The state of the model is:"); document.write("<br>"); //The 'method' specifies state of the model document.write(method +...

SELECT 3 * NULL + 5, 'Hello ' || NULL || 'world' from DUAL; 3*NULL+5'HELLO'||NULL||'WORLD'(null)Hello world