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Javascript 2021-09-20 16:58:04
closure
var counter = (function() { //exposed function references private state (the outer function’s scope / lexical environment) after outer returns. var privateCounter = 0; function changeBy(val) { privateCounter += val; } return { increment: fun... Add solution -
SQL 2021-09-19 07:38:04
postgresql stored procedure update table values
CREATE OR REPLACE FUNCTION change_account_email( IN oldAddr VARCHAR(50), IN newAddr VARCHAR(50)) RETURNS INTEGER AS $$ DECLARE rcount INTEGER DEFAULT 0; BEGIN UPDATE accounts SET a_email = newAddr WHERE a_email = oldAddr; GET DIAGNOSTI... Add solution -
Java 2021-09-18 01:18:03
how to switch between two stylesheets in javafx.
import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Scene; import javafx.geometry.Pos; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.con... Add solution -
Other 2021-09-15 18:09:02
totp key and token code implementation
1. Backend server creates a secret key for that particular user.2. Server then shares that secret key with the user’s phone application.3. Phone application initializes a counter.4. Phone application generate a one time password using that secret ke... Add solution -
Javascript 2021-09-13 08:11:06
assign values to a table from javascript in VF page
<apex:page standardController="Application__c" extensions="applicationformcontrol" id="pg1" sidebar="false"> <apex:form id="frm1"> <!—- To enable or disable the checkbox --> <ape... Add solution -
Other 2021-09-12 11:05:01
Expected a state variable declaration. If you intended this as a fallback function or a function to handle plain ether transactions, use the "fallback" keyword or the "receive" keyword instead.
pragma solidity >=0.4.22 <0.6.0; contract OwnedToken { // `TokenCreator` is a contract type that is defined below. // It is fine to reference it as long as it is not used // to create a new contract. TokenCreator creator; addres... Add solution