try except and finally

Exception handling in Python with try, except, and finally keywords. The try, except, and finally are the keywords in Python for exception handling. An exception is a runtime error, that causes the program to stop. Why we need exception handling? Exceptions are not the errors put intentionally, neither they are validations. These are the scenarios that are not processed for …

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how to run python script

How to run/execute python scripts? A python program is a script. This means it executes line by line by the interpreter.  Before learning how to execute the program, first, you may download and install python on the machine you are working on. In this tutorial, you will learn how to execute a python script on the Windows and Linux operating …

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what is VoLTE

What is VoLTE and what you need to use it? The VoLTE stands for Voice Over LTE. So what’s new to know? In earlier generations, we also have a voice-over the telecom network? But we never used Voice over 3G or 2G. So what’s special about it? The main difference with 3G/2G  the Voice Over LTE uses a data network …

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What is NAT

What is NAT in  Computer Network? The NAT full form is Network Address Translation. It is a very used thing in the computer network, mainly over the internet. When you browse a website from your laptop using office or home LAN. You type the URL in the browser and hit the enter key.  The laptop sends an HTTP request (with …

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tftp protocol

TFTP Protocol Tutorial What is TFTP Protocol? TFTP stands for Trivial File Transfer Protocol. That is for the liter version for a file transfer application. As the name suggests it is a protocol used to transfer files and data. To undergo this process of file transferring and receiving between machines of different networks, TFTP Protocol uses UDP (User Datagram Protocol). …

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sip and tel uri

What is SIP and Tel URI? The URI full form means Universal Resource Identifier, a resource could be anything like a document, a record, etc.  In this tutorial, we will describe two formats SIP and Tel for a URI for SIP protocol. In the SIP protocol, there are fields for addressing, To, From, etc. Each contains a URI. A URI …

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