Category: How To

How to solve Reliance jio sim not registered on network

Any Android not registered on network error occurs when you are attempting to make a call or text. Sometime this error “NOT REGISTERED ON NETWORK” came for user in International … Read More

How to fix Windows 10 brightness control not working issue

Go to Start Menu > Search and type Device Manager.                                      

How to solve Undefined attribute name in Angular JS

There are two methods First MethodOpen eclipse and go to project and propertiesIgnore validation for undefined attribute name.To do this: Right click project –> Properties –> Validation –> HTML Syntax –> … Read More

How to solve DNS Server Not Responding Problem

While trying to browse the internet you may have encountered the error that says, DNS Server is Not Responding. The Domain Name Server (DNS) is a server that translates website’s … Read More

How to solve struts error ‘Can not find the tag library descriptor for struts-tags’

For solve this issue,we have to add struts jar files to our project workspace location or copy to

How to solve httpServlet was not found on the Java Build Path

How to solve The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path Copy tomcat folder to C drive or any other drive. and go to eclipse Select —>Properties—>Project … Read More

How to solve Error 5: Access is denied for Diagnostic Policy Service

So many people facing this problem in Diagnostic Policy Services “I cannot connect to any network, troubleshooter found that “The Diagnostics Policy Service is not running” so I try to start … Read More

How to solve java.lang.NumberFormatException in Android

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.simplecal/com.example.simplecal.MainActivity}: java.lang.NumberFormatException: Invalid float: “” a = Float.valueOf(edt1.getText().toString()); b = Float.valueOf(edt2.getText().toString());