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In the series of core java Interview question and answer this is part-1. You can other parts also: Core java Interview questions on Coding Standards [part-2]Java Exception Handling Interview questions…
The error is because of the new version of the mongoose i.e version 6.0.6. useNewUrlParser, useUnifiedTopology, useFindAndModify, and useCreateIndex are no longer supported options. Mongoose 6 always behaves as if useNewUrlParser, useUnifiedTopology, and useCreateIndex are true, and useFindAndModify is false. Please remove…
If we have array of object and we want to find unique object from the array then it become tedious if we are not using/want any external library. Let try…
When we used some js base module than angular gives us warning like: CommonJS or AMD dependencies can cause optimization bailouts. To disable these warnings, add the CommonJS module name…
The JavaScript has substring() method returns the part of the string between the start and end indexes, or to the end of the string. But slice() also another way to get substring from…
AngularFire smooths over the rough edges an Angular developer might encounter when implementing the framework-agnostic Firebase JS SDK & aims to provide a more natural developer experience by conforming to Angular conventions.AngularFire…
For faster mobile-friendly development, use responsive display classes for showing and hiding elements by device. Avoid creating entirely different versions of the same site, instead hide elements responsively for each…
We can execute external command or any process from the node js. With the help of child_process module we can achieve it. 1. var spawn = require('child_process').spawn, ls = spawn('cmd.exe',…
