Tech Hacks And Lifestyle

A  Data Analyst is a person who collects, process and performs statistical analyses of data. they don't create new algorithms but their goals are the same as data scientists. Data analysts are sometimes called “junior data scientists” or “data scientists in training.” What skills do Data Analyst require? Analytical Mathematical knowledge Communication skills  Business Skills Analytical and programmings  like R, Python and SAS languages Statistical methods and packages (e.g. SPSS) Data warehousing and business intelligence platforms SQL databases and database querying languages Data cleaning and munging Database design Working knowledge of Hadoop & MapReduce Data visualization and reporting techniques Data mining Business Skills Analytic Problem-Solving : Employing best practices to analyze large amounts of data while maintaining intense attention to detail. Effective Communication : Using reports and presen...

SOA stands for Service-oriented architecture Its a concept of Cloud Computing What is cloud computing? click here SOA is an architecture which is generally a collection of services. Services can be of any type SaaS PaaS IaaS click here for more info SOA is the centralized platform where every  service is interrelated (loosely coupled) let's understand SOA with a simple example You have a bank account in SBI but you can withdraw money from any ATM machine. Do you know what happened in the back end? All the banks are connected with some services and they use SOA for interaction SOA has 3 parts Service provider Service repository Service requester/consumer                    Service provider All the services which are provided through the internet like banking, shopping, buying tickets etc Service repository It works like a broker, transfer one serv...

In this post, we will discuss Virtualization, load balancing, Hypervision, and Machine Imaging What is load balancing? In simple terms balancing traffic in an appropriate and effective way is called load balancing. Example:- Suppose you have a website and your gateway can handle 1000 visitor at a time but traffic is 2300 what will happen to your gateway? It will stop working and your website may crash. This is called load and if we manage this using more gateways it will be called load balancing. Real-time Example:- Flipkart hosts sale on   22 July 2014 and Site "Crashed" Do you know why? Because the traffic was more than expected and the gateway failed to process The error was 5001,5002,5003 which refer to gateway and service unavailable. Report click here  How to overcome crash and the answer is to buy more gateways and handle the traffic . let's understand it with a simple example You have a website whose dail...

Hadoop is an open-source software framework for storing data and running applications on clusters of commodity hardware. It provides massive storage for any kind of data, enormous processing power and the ability to handle virtually limitless concurrent tasks or jobs. Before jumping into Apache Hadoop, Read about BigData. click here So let's Talk about the History of Apache Hadoop Hadoop was created by Doug Cutting and Mike Cafarella in 2005.  It was originally developed to support distribution for the Nutch search engine project.  Doug, who was working at Yahoo! at the time and is now Chief Architect of Cloudera, named the project after his son's toy elephant.  Cutting's son was 2 years old at the time and just beginning to talk.  He called his beloved stuffed yellow elephant "Hadoop". Now, Doug's son often exclaims, "Why don't you say my name, and why don't I get royalties? I deserve to be famous for this!" ...

The blockchain is a chain of blocks which contain information. First used in Bitcoin by " Satoshi Nakamoto " in  2009 for Bitcoins(A digital currency) The blockchain is a distributed ledger. Now, what is ledger? According to Wikipedia ledger is A  ledger   is the principal book or computer file for recording and totaling economic transactions measured in terms of a monetary  unit of account  by account type, with  debits and credits  in separate columns and a beginning monetary  balance  and ending monetary balance two account. In simple terms a file which stores information like transactions and account details called Block and the connection between them is Chain. A block contains 3 part  Hash of the previous block Data Hash   Block of Blockchain Hash is a  like a fingerprint, which contains details of data(sender, receiver, content, previous block hash etc) Hash looks like this "a 0680c0...

Cloud Computing  is the delivery of services. It enables the user to Store data, Access service, and Share platforms.  Cloud Computing Cloud Computing services contain Data Storage   Server Database Networking etc Cloud Computing Services are divided into 3 types IaaS – infrastructure as a service It provides you Infrastructure for computing , physically or in the form of virtual machine. Service provider  - Azure , Rackspace , Amazon etc                 (Best Jobs in 2020) Example:-  let’s suppose you have a laptop of 4 Gb RAM and you wanted to install Android Studio, but your system doesn't support it well. Your laptop performance is lagging. Your friend Suraj have one extra laptop which is not in use and it has 8 GB  RAM,  so You borrow his laptop for 30 days, You completed your work and you return the laptop, this is called IaaS. ...

As we all know IT is a field that changes day by day, Nothing is fixed. So to make your future. You have to deal with new languages and new technology. "The more you learn the more you grow"     Data Analyst Python developer Android Developer So, now let's discuss each of them Best Jobs For The Future Data Analyst     A data analyst is a person who gives the analysis of the data which is gathered by any Company, stored in data ware houses. It helps the company to analyze the flaws of the company, target audience and can improve the upcoming product. The data analyst is responsible for all the process of decision making A Data analyst must be good in programming and soft skills . Soft skills basically have a good communication and presentation skills because an analyst can read the data but an end user or customer can't. To get both the skills there are many courses and platform to work on. languages t...