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History of bangla

 prehistoric Human settlement in Bengal can be traced back to 20,000 years ago. Archaeological evidence confirms that by the second millennium BCE, rice-cultivating communities inhabited the region. By the 11th century BC, people in the area lived in systematically lined dwellings, used human burial grounds, and produced copper ornaments and fine black and red pottery. The Ganges, Brahmaputra and Meghna rivers were the natural arteries for communication and transportation. The estuaries of the Bay of Bengal are open to maritime trade. The Early Iron Age saw the development of metal weapons, coinage, permanent field agriculture and irrigation. From 600 BC, a second wave of urbanization swept the northern Indian subcontinent, as part of the Northern Black Polished War culture. Antiquity Ancient Bengal was divided into Barendra, Suhma, Anga, Banga, Samatat and Harikal regions. Early Indian literature describes the region as a Thalassocracy, with colonies in Southeast Asia and the Indi...
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What is blockchain technology and how does it work?

 Over the past few years, you've consistently heard the term 'blockchain technology', perhaps in relation to cryptocurrencies like Bitcoin. In fact, you may be asking yourself, "What is blockchain technology?" It seems that blockchain is a platitude but in a speculative sense, as there is no real meaning that ordinary people can easily understand. It is essential to answer “what is blockchain technology” including the technology used, how it works and how it is becoming important in the digital world. As blockchain continues to grow and become more user-friendly, the onus is on you to learn this evolving technology to prepare for the future. If you are new to blockchain, this is the right platform to gain solid foundational knowledge. In this article, you will learn about "What is Blockchain Technology?" Learn how to answer questions. You'll also learn how blockchain works, why it's important, and how you can use this field to advance your career...
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Data analysis with Excel

 To analyze data in Excel, you don't need to be an expert in Excel. You just need to know a few functions and tools to get the job done. Compare with financial analysts, they are very expert in excel and they create financial models and staff. They need to know all the shortcuts, functions, designs, layouts and many of them can work in Excel without touching the mouse. But you don't have to be that level of expert to analyze data with Excel. Before you start working with Excel, first see how many different versions of Excel are available. There are different versions of Excel but Excel 2007(Windows), 2008(MAC), 2010(Windows), 2011 (MAC), Excel 2016, Excel 2019, and Excel 365 are the most popular. Excel 365 is advanced but you can use any version. Let's start with Excel… Excel Layout:   First we need to understand Excel layout. At the very top of Excel, that section is called the "Quick Access Toolbar." By default, that section has three menus Save (Ctrl S), Undo (...
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Top 10 greatest goalkeeper of all time, theirs name and why they are greatest

Who are the top 10 greatest goalkeepers of all time? In the history of football, there have been many great goalkeepers who have contributed to their team's success and won numerous trophies. The role of a goalkeeper in football is crucial, as they are the last line of defense and can often be the main source of motivation and the difference between winning and losing a trophy. So, questions can be arise who is the best goalkeeper of this competition or top 10 greatest goalkeepers of all time. What are some defining characteristics or skills of the greatest goalkeepers on this list? Shot-stopping ability: One of the key attributes of a great goalkeeper is their ability to make crucial saves and prevent goals. The top goalkeepers are known for their lightning-fast reflexes and agility, allowing them to make acrobatic saves and keep the ball out of the net. Command of the penalty area: Great goalkeepers are also known for their ability to command their penalty area and communicate...
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What is email validation?

Email validation is an interaction that checks whether a particular email address is deliverable. We do not want to send email to anyone who does not have an active email. Sometimes we make typos so the validation engine checks if that particular email domain is reliable like Gmail and Yahoo. Validation engine helps maintain your delivery rate up to 99%. How does it work? 1. SPF SPF allows the collector to browse whether an email claiming to be from a particular domain came from an IP address approved by that domain's administrators. Typically, a domain administrator will authorize the IP addresses used by their own outbound MTAs, including any intermediaries or shining shops. 2. DKIM First, DKIM verifies the content of the message by establishing a digital signature. Second, using digital certificates, signature verification keys are distributed through DNS. Thus, a message is associated with a domain name. 3. DMARC DMARC allows the specification of a policy for message authentica...
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Python Variables - Assign Multiple Values

In Python, you can assign multiple values to multiple variables in a single line using the syntax: ``` var1, var2, var3 = value1, value2, value3 ``` This is known as multiple assignment, and it is a convenient way to assign values to multiple variables at once.  The number of variables on the left-hand side of the equals sign must match the number of values on the right-hand side. For example: ``` x, y, z = 1, 2, 3 ``` This assigns the value 1 to variable `x`, the value 2 to variable `y`, and the value 3 to variable `z`. You can also use variables on the right-hand side: ``` a = 1 b = 2 c = 3 x, y, z = a, b, c ``` This assigns the value of `a` to `x`, the value of `b` to `y`, and the value of `c` to `z`.  You can also use a list or tuple on the right-hand side of the equals sign to assign multiple values to multiple variables: ``` values = (1, 2, 3) x, y, z = values ``` This assigns the first value in the tuple to `x`, the second value to `y`, and the third value to `z`. Multi...
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