Apache Superset Quick Start Guide by Shashank Shekhar
What you will learn
鉁达笍 Get to grips with the fundamentals of data exploration using Superset 鉁达笍 Set up a working instance of Superset on cloud services like Google Compute Engine 鉁达笍 Integrate Superset with SQL databases 鉁达笍 Build dashboards with Superset 鉁达笍 Calculate statistics in Superset for numerical, categorical, or text data 鉁达笍 Understand visualization techniques, filtering, and grouping by aggregation 鉁达笍 Manage user roles and permissions in Superset 鉁达笍 Work with SQL Lab
Apache Superset Quick Start Guide by Shashank Shekhar
What you will learn
鉁达笍 Get to grips with the fundamentals of data exploration using Superset 鉁达笍 Set up a working instance of Superset on cloud services like Google Compute Engine 鉁达笍 Integrate Superset with SQL databases 鉁达笍 Build dashboards with Superset 鉁达笍 Calculate statistics in Superset for numerical, categorical, or text data 鉁达笍 Understand visualization techniques, filtering, and grouping by aggregation 鉁达笍 Manage user roles and permissions in Superset 鉁达笍 Work with SQL Lab
BY Python 馃悕 Work With Data
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Telegram hopes to raise $1bn with a convertible bond private placement
The super secure UAE-based Telegram messenger service, developed by Russian-born software icon Pavel Durov, is looking to raise $1bn through a bond placement to a limited number of investors from Russia, Europe, Asia and the Middle East, the Kommersant daily reported citing unnamed sources on February 18, 2021.The issue reportedly comprises exchange bonds that could be converted into equity in the messaging service that is currently 100% owned by Durov and his brother Nikolai.Kommersant reports that the price of the conversion would be at a 10% discount to a potential IPO should it happen within five years.The minimum bond placement is said to be set at $50mn, but could be lowered to $10mn. Five-year bonds could carry an annual coupon of 7-8%.
What is Telegram?
Telegram鈥檚 stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.
