29 Views
When you work in JavaScript then this keyword changes the context or scope based on how it is used. So here is some examples how to use this keywords in JavaScript. function func_1() { console.log(this); } // calling a function func_1(); // this pointing to window // as object method var ...
Sheetal Kumar
Dec 04, 2018
In Mac OS by default installed NTFS driver can only read data from External Hard Disc or Pen Drive. So this is big issue for those who have storage devices formatted on Windows operating system and want to store some data from Mac OS. Here are solution for this type of file copy issue. In our solution ...
Sheetal Kumar
Dec 03, 2018
Problem: xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun This error shows on terminal when you update or new install macOS Mojave. This error means your system does not have installed scode-select Developer ...
Sheetal Kumar
Dec 01, 2018
26 Views
When you use loop having a iteration variable like "i" and changing the value of "i" then all the closure access same variable and the variable value changed. Here you will face the problem that all the closure will take last value of "i". For eg. var funcs = []; for ...
Sheetal Kumar
Nov 30, 2018
207 Views
When you use Sequelize ORM to connect database then you might face issue time wrong time retrival from database. Because Sequelize returns UTC in select queries for datetime fileds. It this situation you need to change the configuration of Sequelize to get the proper records.  You ...
Sheetal Kumar
Oct 18, 2018
42 Views
Font Awsome Icon in Circle <!DOCTYPE html> <html> <head> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"> <style> .circle { height:200px; width:200px; background-color:#92ad2a; ...
Anamika Gupta
Oct 17, 2018
69 Views
In some HTML design you need a footer that is fixed in the page bottom. We are explaining best way to add sticky footer using html and css. * { margin: 0; } html, body { height: 100%; } .container { min-height: 100%; height: auto !important; height: 100%; margin: ...
Sheetal Kumar
Oct 16, 2018
29 Views
When you work in JavaScript then this keyword changes the context or scope based on how it is used. So here is some examples how to use this keywords in JavaScript. function func_1() { console.log(this); } // calling a function func_1(); // this pointing to window // as object method var ...
Sheetal Kumar
Dec 04, 2018
26 Views
When you use loop having a iteration variable like "i" and changing the value of "i" then all the closure access same variable and the variable value changed. Here you will face the problem that all the closure will take last value of "i". For eg. var funcs = []; for ...
Sheetal Kumar
Nov 30, 2018
353 Views
When you are working client side (Browser) then sometime you change the content of browser or view, and then you need to update the URL of browser so that when user refresh or reload page then same thing can be visible.  window.history have different functions to update or switch the states ...
Sheetal Kumar
Oct 15, 2018
207 Views
Patterns:- All languages have patterns. In javascript pattern are long-lasting and durable  or a collection a pattern that is used to solve the problem in software design .It includes function pattern, jquery pattern, design patterns, object creation pattern etc.... Some of the pattern in javscript ...
Anamika Gupta
May 22, 2018
232 Views
Class in javascript Classes are the function which is used to define expression and declarations. Basically  the Java script is a classless language, it supports the object.In the javascript class work in the same way like other language that's why classes are called syntactic sugar . class ...
Anamika Gupta
May 18, 2018
307 Views
Basic of DOM DOM stands for (document object model) is used as a structure representation of HTML.It is a platform to combine the program of dynamic sites so that you can access the data and their content.It gives the structure of your site and and new design to your document.It represent the document ...
Anamika Gupta
Apr 03, 2018
219 Views
Conditions and Comparision operator in javascript In javascript conditions and comparision operator are different from each other because of their functions actions and conditions such as. In javascript condition operator ate those operator who perform different role (action) according ...
Anamika Gupta
Mar 29, 2018
48 Views
Proxy means substitue. A proxy is the agency, function, which acts as  a substitue for another. It acts as the intermediary between your computer and the internet. The Proxy server present in the machine in the form of firewall server, and it's present on independent server, which is used to ...
Anamika Gupta
Oct 05, 2018
267 Views
Ubuntu is Linux Operating System so you need to have Root privilege to get the process information. netstat command is used to show the ports and processes in Linux.  netstat -nlp command is used to show the processes using network. netstat -nlp Now filter the process that ...
Sheetal Kumar
Sep 04, 2018
125 Views
In Linux Ubuntu you do not have any GUI mode to display the RAM detail and Hard Disk details. So you need the commands to view the server status in Ubuntu. 1. View RAM Details You can view RAM details if different units like KB, MB, GB etc. Default is KB. free Output:    total  used   free  shared  ...
Sheetal Kumar
Jul 25, 2018
195 Views
WAN is built using the switches and packets which is able to extend over a large area or distance or many other computer. It is large number autonomous computers that are allocated over a large geographical area. WAN is expanding to a long distance and many other computers. In WAN switches are ...
Anamika Gupta
May 08, 2018
281 Views
A LAN is used for a limited distance, which is used to share the packet network for the computer communication. It is used to interconnect a computer and their devices over a  common medium in order to access information, database files, applications etc...Baseband and broadband are the two LAN ...
Anamika Gupta
May 05, 2018
218 Views
Network security The Network is a connection of independent computer which is used to communicate with one another over a divided network. It is generally a collection of computer,software and hardware which are connected through one another to share information and resources together. A network ...
Anamika Gupta
May 01, 2018